CN102819634A - Bolt gasket flange connection design expert system - Google Patents
Bolt gasket flange connection design expert system Download PDFInfo
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- CN102819634A CN102819634A CN201210271275XA CN201210271275A CN102819634A CN 102819634 A CN102819634 A CN 102819634A CN 201210271275X A CN201210271275X A CN 201210271275XA CN 201210271275 A CN201210271275 A CN 201210271275A CN 102819634 A CN102819634 A CN 102819634A
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Abstract
The invention discloses a bolt gasket flange connection design expert system and belongs to the technical field of the design of an expert system. The system comprises a database management module, a gasket query module, a flange connection design module, a design result comparison analysis module and a tool module, wherein the database management module is used for updating a bottom layer database; the gasket query module is used for querying a standard gasket and a standard gasket test; the flange connection design module is used for automatically generating a flange connection design specification and a flange joint part drawing according to input working condition data by utilizing standard gasket size data provided by a standard gasket database, data which is provided by a gasket selection expert library and corresponds to gasket materials, gasket types, a medium, a temperature and a pressure and data provided by a bolt database and a flange database; the design result comparison analysis module is used for carrying out key parameter comparison analysis on a design scheme so as to recommend the optimal design scheme; and the tool module is used for providing unit conversion, scientific calculation and system use help. The system solves the technical problem that the bolt gasket flange connection cannot be economically, safely and accurately designed.
Description
Technical field
The present invention relates to a kind of expert system, relate in particular to a kind of bolt pad flange and connect expert system for design
Background technology
As the critical component that process device and pipeline connect, bolt pad flange connects with its easy accessibility, economic security, is easy to advantage such as replacing and is often adopted by the project planner.In fact, it has been type of attachment the most frequently used in pressure vessel and the pipeline that flange connects, and according to statistics, the flange jointing of a large-scale refinery just reaches hundreds thousand of and even 1,000,000.
Along with the maximization of device, the extremalization of operation operating mode, in case the jointing seal failure will produce whole process of production and have a strong impact on, therefore, flange connects to design directly influences producers' the safety and the safe operation of process units.The sealing and connecting device that bolt pad flange jointing is made up of bolt, nut, pad, flange, the determinative that lost efficacy or be tightly connected of being tightly connected can reduce the calculating of following two aspect factor: A, bolt pretightening; The sealing property of B, pad itself comprises croop property, compression recovery performance and impermeability.Therefore; Bolt pad flange connects that design will be referred to that flange is selected, the pad pattern and material is selected, bolt load calculating and the diameter of bolt and number confirm etc. that its design effort amount is big, complex steps; For this reason, Chinese scholars is all at the corresponding design software of exploitation.But still do not have so far a general, practical and be the system software that everybody approved, study carefully the low reason of its utilization factor outer in: (1) function is simple, can not design, inquiry, analytic systemization be unfavorable for the optimization that designs; (2) robotization and visual low can't generate bolt pad flange automatically and connect design instruction, analysis report book, does not have real visualization function, only is simple signal, is unfavorable for engineering drawing output; (3) method for designing is single, in can not GB150, PVRC method and up-to-date EN1591 method for designing being included; (4) the pad selection is not comprehensive, lacks experimental, the expertization, the selection of pad in all directions data.
Summary of the invention
In order to solve the problems of the technologies described above; The present invention proposes a kind of bolt pad flange and connect expert system for design; This system relies on a large amount of standard pad data, pad to select empirical data and three kinds of modular design methods, can carry out the critical data comparative analysis to recommend out optimization design scheme according to each different designs result.
The bolt pad flange that proposes according to the present invention connects expert system for design and comprises: 1. database management module, be used to upgrade underlying database, and editor, increase, deleted data provide the practicality of data to guarantee database; 2. the pad enquiry module is used for the inquiry of standard pad, the test of standard pad; 3. flange connects design module; Floor data according to input; And utilize gasket material that standard pad chip size data that standard pad database provides and pad type selecting experts database provide, gasket-type and medium, temperature, data that pressure is corresponding; And the data that provide of bolt database and flange database, generate flange automatically and connect design instruction and flange jointing part drawing; 4. design result comparative analysis module; The security and the economy that are used for the selected a plurality of design proposals of comparative analysis; Design data according to the generation of this expert system; Select no more than three kinds of schemes to carry out security and the contrast of economy key parameter,, also may further be the optimum Scheme parameter and select to recommend out optimization design scheme.5. tool model provides needed unit conversion in the design process, science calculating, background setting and system to use help.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design, and this system further comprises: bottom data library module, underlying database comprise standard pad valut, bolt storehouse, flange storehouse, EN1591 storehouse, pad selection experts database;
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; This system further comprises: 1. report automatically-generating module; Automatically the corresponding chapters and sections in the report of pad standard queries, flange connection design instruction, the design result analysis report inserted in fixing chart, formula, literal, to satisfy the output requirement; 2. the two dimension view automatically-generating module connects design result according to pad Query Result, flange and demonstrates inquiry, designs two-dimentional pattern, and the engineering design needs are satisfied in also further printout.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; Said bottom data library module comprises pad selection expert data library module; This is the core database of this software, selects experience based on a large amount of gasket design, selects suitable pad pattern and gasket material according to different temperature, pressure, medium three factors; Further rule of thumb and test figure, draw the pad parameter; It comprises pad pattern, gasket material, the highest nominal pressure, minimum nominal pressure, maximum operation (service) temperature, minimum serviceability temperature, sealing surface form, medium, m, y, Gb, a, Gs.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; Said bottom data library module comprises the EN1591 database, and it comprises bolt material parametric data table, gasket material parametric data table, flange material parametric data table, bolt dimensional data table, flange size tables of data, flange selection tables of data.Wherein the bolt material supplemental characteristic comprises bolt material, linear expansion coefficient, elastic modulus, permissible stress, temperature, maximum specification, nominal pressure, pattern; The gasket material supplemental characteristic comprises gasket material, slip, pressure, Qmin (L), QA, Qsmin (L), PQR, Qsmax, EG; The flange material supplemental characteristic comprises flange material, linear expansion coefficient, elastic modulus, permissible stress, temperature.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; Said pad enquiry module is realized following function: A, the inquiry of reverse standard pad; Utilize the fuzzy query principle to search pad external diameter or the similar size numerical value of nominal diameter; Obtain standard pad chip size, standard name, issue department's information, also can obtain query report, improve the expert system ease of use; B, the inquiry of advanced standard pad provide relevant selection of multiple pad and input frame, accurately inquire about shim, standard name, issue department's information, also can obtain query report and corresponding selection pad two dimension view; C, standard pad test inquiry utilizes keyword query, provides the correlation test method, shows complete test procedure according to institute's choosing method, perfect systematization of the present invention.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; Said flange connects design module and comprises following function: A, GB150 design; It is according to " flange " in " GB a 150 " joint method for designing; In conjunction with primary data working temperature, working pressure, actuating medium, calculate and select suitable pad, bolt, flange, calculate and obtain number of bolts, the diameter of bolt and bolt load under pretension condition, bolt load for operating conditions; B, the design of PVRC method; According to the PVRC method for designing; In conjunction with primary data working temperature, working pressure, actuating medium, sealing grade and joint efficiency; Calculate and select suitable pad, bolt, flange, calculate the bolt total sectional area that obtains number of bolts, the diameter of bolt, bolt load under pretension condition, bolt load for operating conditions and need.C, EN1591 design; According to new European Union's standard " flange and joint thereof---the design rule that band pad circular flange connects "; In conjunction with primary data working temperature, working pressure, nominal pipe diameter, actuating medium, external applied load, sealing grade; Calculate and select suitable pad, bolt and flange, tabulation demonstrates the key parameter in the computation process, calculates and obtains number of bolts, the diameter of bolt and minimum actual bolt pretightening.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design, and said actuating medium selects to comprise dual mode, and a kind of is that typical media is selected, and comprises salt solusion, water vapor, petroleum products, medium non-oxidizing acid, medium alkali; Another kind is big type to be selected, and is divided into two levels, and first level is acid, alkali, solvent, oil, gas/gas, hydrocarbon; Second level is respectively acetic acid, acid with strong oxidizing property, medium non-acid with strong oxidizing property, strong non-oxidizing acid, weak acid; Highly basic, weak base, medium alkali, organic solvent, salt solusion, polar organic solvent, crude oil, petroleum products; Air, water vapor, inert gas, ozone, aromatic hydrocarbon, non-aromatic hydrocarbon.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; Said procedure parameter display list comprises that the computation process key parameter that GB150, PVRC, three kinds of methods for designing of EN1591 relate to shows; Design process is more transparent, improves optimal design efficient.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design; Said design result comparative analysis functions of modules is following: comprise sealing grade, working pressure, working temperature, actuating medium, pad, gasket material, bolt number, the diameter of bolt, bolt material, pretightning force, flange type, sealing surface form, DN, PN contrast; Above-mentioned parameter is from the security of jointing integral body and the comparison of two aspects of economy; Software excavates different pieces of information according to selected different designs file; To put in order and to arrange; Also can export analysis report automatically, improve the efficient of parameters optimization in the design, be convenient to the decision maker and choose the best alternatives.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design, and said tool model function is following: A, provide the unit of 15 kinds of pressure, 5 kinds of temperature to calculate mutually; B, scientific calculator is provided; C, the PVRC sealing grade table of comparisons is provided; D, the replacing background function is provided; E, provide bolt pad flange to connect expert system for design to use helps, use unskilled person that system's operation instruction is provided to software function for first this software of use person reaches.
The bolt pad flange that proposes according to the present invention connects an aspect of expert system for design, and said database management module comprises following function:
A, rely on password to get into the higher management interface, can edit, delete, add shim, standard No., big class standard, standard name, pad pattern, issue department, the implementation date data of standard pad tables of data; B, rely on password to get into the higher management interface, can select actuating medium in the expert database, working temperature, working pressure, gasket-type, seal style, flange type, bolt form, gasket material, flange material, bolt material, bolt number, pretightning force to add empirical data pad.
The present invention is owing to adopt above technical scheme; It has the following advantages: A, because original intention of the present invention is for engineering technical personnel and scientific research personnel the software that inquiry is convenient and practical to be provided; Therefore be provided with reverse inquiry to engineering technical personnel, with convenient quick fuzzy search data; Need precise design to the scientific research personnel, so the pad advanced inquiry that sets up standard.B, in flange connects design process; The most difficult, a most crucial step is the pad type selecting; In order to address this problem, the present invention is integrated temperature, pressure, medium three aspect data have improved flange and have connected efficiency of design and economy with gasket material and gasket-type that screening satisfies condition.C, the present invention break through traditional in the past thinking that only comprises single method for designing; Present most typical three kinds of method for designing GB150 methods, PVRC method and EN1591 methods have been comprised; To satisfy the different specification design respectively; Improved the range of application of this software, every kind of method for designing all adopts single window global design, and the user can come into plain view to whole design process.D, the present invention proposes the design result comparative analysis that is provided with to security and economy, through data mining and parameter comparison means, for the deviser provides better parameter optimization, for the decision maker provides better compromise between security and the economy.E, perfect automatic systematic function of report and two-dimensional visualization function; Report that automatic systematic function has run through the inquiry of software, design, analytic function; Avoid the mistake and the artificial factor of complicate statistics; Improve the accuracy of technical data in the report, also can greatly enhance productivity simultaneously; The two-dimensional visualization function runs through reverse standard pad inquiry, the inquiry of advanced standard pad and flange and connects design function, improves the man-machine interaction performance, also can directly export engineering drawing, for the deviser reduces workload, improves design efficiency.
Description of drawings
Fig. 1 shows the module map that bolt pad flange proposed by the invention connects expert system for design.
Embodiment
Fig. 1 shows the module map that bolt pad flange connects expert system for design.As shown in Figure 1, the expert system that the present invention proposes comprises that database management module 1, pad enquiry module 2, flange connect design module 3, design result comparative analysis module 4, tool model 5, bottom data library module 6, report automatically-generating module 7 and two dimension view automatically-generating module 8.Carry out detailed description in the face of above-mentioned each module down.
Database management module 1: normal data or bolt pad flange are connected the relevant Senior Administrator of design experiences data submission; The authenticity and the accuracy of affirmation data after audit; Rely on password to get into the higher management interface, editor, interpolation, deleted data form underlying database.Particularly, (a) editor, interpolation, deletion standard pad database data mainly comprise shim, standard No., big class standard, standard name, pad pattern, issue department, implementation date data parameters item; (b) editor, interpolation, deletion pad are selected the expert data database data, mainly comprise actuating medium, working temperature, working pressure, gasket-type, seal style, flange type, bolt form, gasket material, flange material, bolt material, bolt number, pretightning force parameter item; (c) editor, interpolation, deletion EN1591 database data mainly comprise bolt material parametric data table, gasket material parametric data table, flange material parametric data table, bolt dimensional data table, flange size tables of data, flange selection tables of data; Wherein the bolt material supplemental characteristic comprises bolt material, linear expansion coefficient, elastic modulus, permissible stress, temperature, maximum specification, nominal pressure, pattern parameter item; The gasket material supplemental characteristic comprises gasket material, slip, pressure, Qmin (L), QA, Qsmin (L), PQR, Qsmax, EG parameter item; The flange material supplemental characteristic comprises flange material, linear expansion coefficient, elastic modulus, permissible stress, temperature parameter item.
Pad enquiry module 2: perhaps select keyword to inquire about according to the input keyword, obtain Query Result, and generated query is reported and two dimension view automatically.Particularly; A, the inquiry of reverse standard pad; According to similar size of input value fuzzy query pad external diameter or the similar nominal diameter of pad; Obtain gasket seal face form, pressure, standard pad chip size, standard No., standard name, big class standard, pad pattern, issue department, promulgation date and time information, also can obtain query report automatically; B, the inquiry of advanced standard pad; Have 8 groups of input values, be respectively DN, internal diameter, external diameter, gasket-type, sealing surface, pressure, big class standard, standard No., can choose several groups or full choosing wantonly and carry out accurate keyword query; The group of not filling in numerical value is defaulted as the total data of option; It is identical with above-mentioned reverse pad standard queries to obtain the Query Result item, also can obtain query report and corresponding selection pad two dimension view automatically, also can export two dimension view; C, standard pad test inquiry according to the querying condition of any input, obtain the relevant criterion tabulation; Comprise standard name, standard No., issue department, promulgation date, validity, remarks; Select required test standard, in text box, can show complete test procedure, and exportable printing.
Flange connects design module 3: the present invention provides three kinds of methods for designing, and every kind of method all is according to primary data, then carries out data and selects and data computation, draws design result.Particularly; A, GB150 design, it is according to " flange " in " GB a 150 " joint method for designing, in conjunction with design conditions; Input primary data working temperature, working pressure; Select actuating medium, the selection of actuating medium comprises dual mode: a kind of is that typical media is selected, and comprises salt solusion, water vapor, petroleum products, medium non-oxidizing acid, medium alkali; Another kind is big type to be selected, and is divided into two levels, and first level is acid, alkali, solvent, oil, gas/gas, hydrocarbon; Second level is respectively acetic acid, acid with strong oxidizing property, medium non-acid with strong oxidizing property, strong non-oxidizing acid, weak acid; Highly basic, weak base, medium alkali, organic solvent, salt solusion, polar organic solvent, crude oil, petroleum products; Air, water vapor, inert gas, ozone, aromatic hydrocarbon, non-aromatic hydrocarbon.After primary data is confirmed; Draw suitable shim form and gasket material; Then, confirm shim, sealing surface, form of flanges and bolt material, can observe whole procedure parameter from procedure parameter row frame behind the above-mentioned data validation according to selection; Select number of bolts; Calculate design prefastening load, design operation load, the preceding diameter of bolt rounding, bolt actual diameter, can observe the design result part drawing through the view frame and also can export, also can generate GB150 bolt pad flange automatically and connect design instruction; B, the design of PVRC method are according to the PVRC method for designing, in conjunction with design conditions; Input primary data working temperature, working pressure, joint efficiency, select the sealing grade and and actuating medium, when mouse rests on sealing grade input frame; With the slip prompting that shows that the sealing grade is corresponding, mouse.onmousemove, prompting disappears; Behind the data validation, draw the tabulation of suitable shim form and gasket material, confirm one group of data; Then, confirm shim, sealing surface, form of flanges and bolt material data, behind the above-mentioned data validation according to selection; Can be observed whole procedure parameter at the procedure parameter frame, select number of bolts, calculate the bolt total sectional area of the preceding diameter of bolt rounding, bolt actual diameter, design prefastening load, design operation load, needs; Can observe the design result part drawing and can print output through the view frame, also can generate PVRC bolt pad flange automatically and connect design instruction; C, EN1591 design are according to new European Union's standard " flange and joint thereof---the design rule that band pad circular flange connects ", in conjunction with design conditions; Input primary data working temperature, working pressure; Select nominal pipe diameter, actuating medium, external applied load, sealing grade, nominal pipe diameter has comprised the numerical value that GB, Europe superscript, U.S. mark, machinery standard, petrochemical industry standard relate to, and external applied load comprises system default value and manually imports two options; The sealing grade comprises that sealing grade is selected and manually imports two options of slip; After confirming primary data, pad, flange, bolt data list and flange material choice box appear, confirm above-mentioned data after the procedure parameter frame key parameter in the design process appears; Select the bolt number; Calculate and obtain the preceding diameter of bolt of rounding, the actual diameter of bolt, minimum actual bolt pretightening, can observe design result part drawing and printable output in the view frame, also can generate EN1591 bolt pad flange automatically and connect design instruction.
Design result analysis module 4: can each result of design be analyzed contrast, also can carry out the design parameter contrast with the design proposal data that reality has been moved, further parameters optimization is selected, and improves design proposal, forms a closed loop, continues to optimize parameter.Particularly; The present invention provides three file selection boxes; Optional three files compare analysis at most, after file is confirmed, parameter sealing grade, working pressure, working temperature, actuating medium, pad, gasket material, bolt number, the diameter of bolt, bolt material, pretightning force, flange type, sealing surface form, DN, PN are compared; Above-mentioned parameter is from the security of jointing integral body and the comparison of two aspects of economy; Software excavates different pieces of information according to selected different designs scheme filename, then is presented in the tabulation, also can export analysis report automatically; Improved the efficient of parameters optimization in the design, be convenient to the decision maker and choose the best alternatives.
Tool model 5: for the software user provides some design aids easily.Particularly, A, the mutual calculation of 15 kinds of wirking pressure units, 5 kinds of temperature units commonly used is provided, as long as know arbitrary unit amount, interchangeable other all corresponding unit amounts; B, scientific calculator is provided, has made full use of the calculator software that operating system carries, be the software user computed path that facilitates; C, the PVRC sealing grade table of comparisons is provided, for sealing grade classification in the PVRC method for designing provides reference; D, system help is provided, uses unskilled person that system's operation instruction is provided for first this software of use person or to software function, can searching key word or select Help Topic.
Bottom data library module 6: the data that flange connects design considerations can be divided into two parts, and the one, the data that underlying database comprises, another is the data of manually importing when connecting design, underlying database is the basis of design.Particularly, the foundation of underlying database relies on pad standard, pad test standard, flange standard, bolt standard and expert's experience, has formed the mass data table through data conclusion, integration, input, and then forms underlying database.
Report automatically-generating module 7: fill a vacancy according to reverse pad standard queries report template, senior pad standard queries report template, standard pad test query report template, bolt pad flange connection design instruction template, design result comparative analysis report template; System inserts corresponding chapters and sections, last exportable report, instructions with fixing formula, chart and literal automatically.
Two dimension view automatically-generating module 8: connect the design data result according to pad standard queries data result, bolt pad flange, excavate dimensional data and generate two dimension view, also can be to the two dimension view output print.
The bolt pad flange that the present invention proposes connects expert system for design; Integrated a large amount of standard pad data and empirical data; Can use for reference existing in the past flange and connect design experiences, compare design, optimize the optimal design parameters of confirming bolt pad flange jointing from a plurality of methods for designing.And; Pad type selecting in three kinds of methods for designing; Making flange connect the design experiences data is able to give full play to; Improved flange and connected accuracy of designs and security, the automatic generation of design instruction and the automatic generation of two dimension view have been saved bolt pad flange significantly and have been connected the time of designing, and have accelerated the speed of whole design.The present invention has taken into full account whole mentality of designing, adds the inquiry of standard pad, standard pad test inquiry, makes system more perfect.Along with the continuous increase of bolt pad flange connection design item, pad type selecting expert database also will constantly enlarge, and constantly increase through design result comparative analysis data simultaneously, and the parameter that all factors can make the present invention design is reasonable more and accurate.
Above-mentioned embodiment proposed by the invention is merely exemplary; Conduct is not to the restriction in the protection domain of the present invention; The concrete function that above-mentioned each module realized can realize that repeat no more, those skilled in the art can use these technology that the present invention is made modification here through the common technology of existing computer realm and the common technology of bolt pad flange connection area; To adapt to various concrete actual conditions, these modifications also fall within protection scope of the present invention.
Claims (13)
1. bolt pad flange connects expert system for design, it is characterized in that this system comprises:
Database management module is used to upgrade underlying database, can edit, delete, add the bottom data database data;
The pad enquiry module is used for the inquiry of standard pad chip size, the test of standard pad;
Flange connects design module; Floor data according to input; And the gasket material and the categorical data that utilize standard pad chip size data that standard pad database provides and pad type selecting experts database to provide; And the data that provide of bolt database and flange database, generate instructions and two dimension view that flange connects design;
Design result comparative analysis module; The security and the economy that are used for the selected a plurality of design proposals of comparative analysis; Design data according to the generation of this expert system; Select no more than three kinds of schemes to carry out security and the contrast of economy key parameter,, also may further be the optimum Scheme parameter and select to recommend out optimization design scheme;
Tool model provides needed unit conversion in the design process, science calculating, background setting and system to use help.
2. the bolt pad flange according to claim 1 connects expert system for design, it is characterized in that this system further comprises:
The report automatically-generating module is inserted the corresponding chapters and sections in the report of pad standard queries, flange connection design instruction, the design result analysis report with fixing chart, formula, literal, automatically to satisfy the output requirement;
The two dimension view automatically-generating module connects design result according to standard pad Query Result, flange and demonstrates inquiry, designs two-dimentional pattern, and the engineering design needs are satisfied in also further printout.
3. the bolt pad flange according to claim 1 connects expert system for design, it is characterized in that this system further comprises:
Bottom data library module, underlying database comprise standard pad valut, bolt storehouse, flange storehouse, EN1591 storehouse, pad selection experts database.
4. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said database management module comprises following function: A, relies on password to get into the higher management interface, can edit, delete, add shim, standard No., big class standard, standard name, pad pattern, issue department, the implementation date data of standard pad database; B, rely on password to get into the higher management interface, can select actuating medium in the expert database, working temperature, working pressure, gasket-type, seal style, flange type, bolt form, gasket material, flange material, bolt material, bolt number, pretightning force to add empirical data pad.
5. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said bottom data library module comprises pad selection expert data library module; This is the core database of this software; Select experience based on a large amount of gasket design; Select suitable pad pattern and gasket material according to different temperature, pressure, medium three factors, further rule of thumb and test figure, draw the pad parameter; It comprises pad pattern, gasket material, the highest nominal pressure, minimum nominal pressure, uses maximum temperature, uses minimum temperature, sealing surface form, medium, m, y, Gb, a, Gs.
6. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said bottom data library module comprises the EN1591 database, and it comprises bolt material parametric data table, gasket material parametric data table, flange material parametric data table, bolt dimensional data table, flange size tables of data, flange selection tables of data; Wherein the bolt material supplemental characteristic comprises bolt material, linear expansion coefficient, elastic modulus, permissible stress, temperature, maximum specification, nominal pressure, pattern; The gasket material supplemental characteristic comprises gasket material, slip, pressure, Qmin (L), Q
A, Qsmin (L), P
QR, Qsmax, E
GThe flange material supplemental characteristic comprises flange material, linear expansion coefficient, elastic modulus, permissible stress, temperature.
7. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said pad enquiry module is realized following function: A, the inquiry of reverse standard pad, utilizes the fuzzy query principle to search the similar size of pad external diameter, obtains standard pad chip size, standard name, issue department's information, also can obtain query report; B, the inquiry of advanced standard pad provide relevant selection of multiple pad and input frame, accurately inquire about shim, standard name, issue department's information, also can obtain query report and corresponding selection pad two dimension view; C, standard pad test inquiry utilize crucial subquery, provide the correlation test method, show complete test procedure according to institute's choosing method.
8. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said tool model function is following: A, provide the unit of 15 kinds of pressure, 5 kinds of temperature to calculate mutually; B, scientific calculator is provided; C, the PVRC sealing grade table of comparisons is provided; D, background change is provided; E, provide bolt pad flange to connect expert system for design to use help.
9. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said flange connects design module and comprises following function: A, GB150 design; It is according to " flange " in " GB a 150 " joint method for designing; In conjunction with primary data working temperature, working pressure, actuating medium; Calculate and select suitable pad, bolt, flange, calculate and obtain number of bolts, the diameter of bolt and bolt load under pretension condition, bolt load for operating conditions; B, the design of PVRC method; According to the PVRC method for designing; In conjunction with primary data working temperature, working pressure, actuating medium, sealing grade and joint efficiency; Calculate and select suitable pad, bolt, flange, calculate the bolt total sectional area that obtains number of bolts, the diameter of bolt, bolt load under pretension condition, bolt load for operating conditions and need; C, EN1591 design; According to new European Union's standard " flange and joint thereof---the design rule that band pad circular flange connects "; In conjunction with primary data working temperature, working pressure, nominal pipe diameter, actuating medium, external applied load, sealing grade; Calculate and select suitable pad, bolt and flange, tabulation demonstrates the key parameter in the computation process, calculates to obtain number of bolts, the diameter of bolt and minimum actual bolt pretightening.
10. system according to claim 9 is characterized in that, wherein:
Actuating medium selects to comprise dual mode, and a kind of is that typical media is selected, and comprises salt solusion, water vapor, petroleum products, medium non-oxidizing acid, medium alkali; Another kind is big type to be selected, and is divided into two levels, and first level is acid, alkali, solvent, oil, gas/gas, hydrocarbon; Second level is respectively acetic acid, acid with strong oxidizing property, medium non-acid with strong oxidizing property, strong non-oxidizing acid, weak acid; Highly basic, weak base, medium alkali, organic solvent, salt solusion, polar organic solvent, crude oil, petroleum products; Air, water vapor, inert gas, ozone, aromatic hydrocarbon, non-aromatic hydrocarbon.
11. system according to claim 9 is characterized in that, wherein:
The procedure parameter display box comprises that the computation process key parameter that GB150, PVRC, three kinds of methods for designing of EN1591 relate to shows that design process is more transparent, improves optimal design efficient.
12. system according to claim 2 is characterized in that, wherein:
Report automatically-generating module and two dimension view automatically-generating module provide and allow artificial input and the interface of revising, and make artificially to generate and to revise report.
13. according to the arbitrary described system of claim 1-3, it is characterized in that, wherein:
Said design result comparative analysis functions of modules is following: comprise sealing grade, working pressure, working temperature, actuating medium, pad, gasket material, bolt number, the diameter of bolt, bolt material, pretightning force, flange type, sealing surface form, DN, PN contrast; Above-mentioned parameter is from the security of jointing integral body and the comparison of two aspects of economy; Software excavates different pieces of information according to selected different designs file; To put in order and to arrange, also can export analysis report automatically.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104063624A (en) * | 2014-07-10 | 2014-09-24 | 中国特种设备检测研究院 | Bolt-spacer-flange connecting and sealing safety evaluating system |
| CN106372279A (en) * | 2016-08-22 | 2017-02-01 | 中国航空工业集团公司西安飞机设计研究所 | Extruded profile mark screening method |
| CN109446554A (en) * | 2018-09-18 | 2019-03-08 | 上海中广核工程科技有限公司 | A kind of Selection and Design and assay method of HDPE piping flanged joint |
| CN109902417A (en) * | 2019-03-08 | 2019-06-18 | 北京宇航推进科技有限公司 | Rocket engine flange quick design system based on visualization interface |
| CN111306177A (en) * | 2020-02-17 | 2020-06-19 | 中车工业研究院有限公司 | Washer regulation and control method and device based on pretightening force, electronic equipment and storage medium |
| CN112184029A (en) * | 2020-09-30 | 2021-01-05 | 中石化第四建设有限公司 | Pipeline flange installation information construction method |
| CN112835944A (en) * | 2021-02-20 | 2021-05-25 | 浙江三方控制阀股份有限公司 | Control valve product query configuration system and query configuration method |
| CN114722537A (en) * | 2022-04-18 | 2022-07-08 | 成都工元科技有限公司 | Pressure vessel design method, apparatus and medium |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104063624A (en) * | 2014-07-10 | 2014-09-24 | 中国特种设备检测研究院 | Bolt-spacer-flange connecting and sealing safety evaluating system |
| CN106372279A (en) * | 2016-08-22 | 2017-02-01 | 中国航空工业集团公司西安飞机设计研究所 | Extruded profile mark screening method |
| CN109446554A (en) * | 2018-09-18 | 2019-03-08 | 上海中广核工程科技有限公司 | A kind of Selection and Design and assay method of HDPE piping flanged joint |
| CN109446554B (en) * | 2018-09-18 | 2023-04-07 | 上海中广核工程科技有限公司 | Model selection design and analysis evaluation method for HDPE (high-density polyethylene) piping flange connection |
| CN109902417A (en) * | 2019-03-08 | 2019-06-18 | 北京宇航推进科技有限公司 | Rocket engine flange quick design system based on visualization interface |
| CN109902417B (en) * | 2019-03-08 | 2022-10-04 | 北京宇航推进科技有限公司 | Rocket engine flange rapid design system based on visual interface |
| CN111306177A (en) * | 2020-02-17 | 2020-06-19 | 中车工业研究院有限公司 | Washer regulation and control method and device based on pretightening force, electronic equipment and storage medium |
| CN111306177B (en) * | 2020-02-17 | 2021-12-21 | 中车工业研究院有限公司 | Washer regulation and control method and device based on pretightening force, electronic equipment and storage medium |
| CN112184029A (en) * | 2020-09-30 | 2021-01-05 | 中石化第四建设有限公司 | Pipeline flange installation information construction method |
| CN112184029B (en) * | 2020-09-30 | 2022-04-08 | 中石化第四建设有限公司 | Pipeline flange installation information construction method |
| CN112835944A (en) * | 2021-02-20 | 2021-05-25 | 浙江三方控制阀股份有限公司 | Control valve product query configuration system and query configuration method |
| CN114722537A (en) * | 2022-04-18 | 2022-07-08 | 成都工元科技有限公司 | Pressure vessel design method, apparatus and medium |
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