دوره آﻣﻮزﺷﯽ ﻧﺮم اﻓﺰار Flarenet Flarenet training courseﺗﻬﯿﻪ ﮐﻨﻨﺪه :ﻣﺤﻤﺪ ﺑﻬﺰادي Mohammad Behzadi وﺑﻼگ آﻣﻮزﺷﯽwww. mblastsavior. mihanblog.com : ﭘﺴﺖ اﻟﮑﺘﺮوﻧﯿﮑﯽ[email protected] : ﺧﻮاﻫﺸﻤﻨﺪ اﺳﺖ از ﻧﻈﺮات ﺧﻮد ﺟﻬﺖ ﺑﻬﺒﻮد ﺟﺰوات درﯾﻎ ﻧﻔﺮﻣﺎﯾﯿﺪ ﺗﻘﺪﯾﻢ ﺑﻪ ﺑﺮادرم ﺳﻌﯿﺪ رادﭘﻮر ﮐﻪ ﺑﺎ ﺑﺨﺸﺶ ﻋﻠﻤﯽ ﺑﯿﺪرﯾﻎ ﺧﻮد اﺳﺘﺎد و ﻗﻄﺐ ﻧﻤﺎي ﻋﻠﻤﯽ در ﻣﺴﯿﺮ زﻧﺪﮔﯿﻢ ﺑﻮد ﺗﺬﮐﺮ :ﺑﺮاي دﯾﺪن راﻫﻨﻤﺎي ﻣﻄﺎﻟﺐ ﻻزم اﺳﺖ ﺗﺎ از آﮐﺮوﺑﺎت 7ﯾﺎ ﺑﺎﻻﺗﺮ اﺳﺘﻔﺎده ﺷﻮد !Acrobat 7.0 or higher is needed for view commenting FLARENET ﺗﮭﯿﮫ ﮐﻨﻨﺪه :ﻣﺤﻤﺪ ﺑﮭﺰادی 1 The program interface uses a flow diagram for direct visualisation of the piping network. FLARENET has been designed to facilitate the design and rating of flare and vent system piping throughout the entire design process. Traditional methods for the design of these flare and vent systems are often reliant upon the experience of the engineer. FLARENET can model the piping system topologies most commonly found in flare systems. reliant ﻣﺘﻜﻲ،ﻣﻮﺛﻖ pertinent وارده،ﻣﺮﺑﻮﻃﻪ catastrophic ﻓﺎﺟﻌﻪ اﻧﮕﻴﺰ،ﻣﺼﻴﺒﺖ ﺑﺎر 2 . Failure to evaluate a single scenario due to "a lack of time" in the project design phase can have catastrophic penalties once the process is in operation.What is FLARENET? The design of flare and vent system piping is an important part of the overall system design for any chemical process. He or she must make a number of decisions in order to try to reduce the number of relief scenarios for evaluation based upon tight project deadlines. This is supported by detailed tables of all pertinent data and calculated results. Component Manger www.com 3 .mihanblog.mblastsavior. 4 . and is used to locate the component(s) in the current list that best matches your input. Add a Component To add a component.Component Manger Path: Build menumenu->Components Component Types You may filter the list of available components to include only those belonging to a specific family. Component List You can navigate through the database component list using: § Arrow. Any filter string has an implied * character at the end. then transfer it by double-clicking on it or selecting the Add button. The All and None buttons turn all of the filters on and off. while the Invert button toggles the status of each check box individually. respectively. you must first highlight it (by moving through the list until that component is highlighted).Represents a single character. § * .Represents a group of characters of undefined length. PageUp/PageDown and Home/End keys § Scroll Bar § The Selection Filter – The cell accepts keyboard input. You may use wildcard characters as follows: § ? . Swap the two components by pressing the Swap button. Sorting the Component List Pressing the Sort button allows you to select the sort option for components: name.Add Hypothetical Component/Edit Component View On clicking either the Hypothetical button or the Edit button the Component Editor view opens up (identification. Changing the Components You can switch the components in the Selected Component list with the ones in the Database list while maintaining the source mole fractions. 5 . Press the Change button to switch the two components. critical properties. Select the components in both the Selected Components and the Database lists. This view is similar between adding a new hypothetical component and editing an existing component. Then select the second component either using the Shift key if the two are in sequence or pressing the Ctrl key and then clicking on the component. other properties). molecular weight. normal boiling point and group Swapping two components Select the first component in the Selected Component list by clicking on it. Pipe Manager www.mblastsavior.mihanblog.com 6 . Swap Swap the two selected pipes in the Pipes list. heat transfer parameters and calculation methods). dimensions.Pipe Manager Path: Build menumenu->Pipes www.mihanblog. Delete Remove the currently highlighted pipe segment. Sort Sort the Pipes list according to alphabetically descending order or by location. fittings.com Description Select this button to add a new pipe segment in the list. Edit the currently highlighted pipe segment by opening the Pipe Editor view where you can set the pipe parameters (connections. Up and Down Arrow Move the highlighted pipe up and down the list.mblastsavior. OK Close the Pipe Manager view. Button Add Edit 7 . tailpipes and sources). Sort Arrange the scenario list alphabetically in descending order. § Localized control valve failure. headers. 8 . Typical scenarios might correspond to: § Plantwide power failure. Swap Swap the two selected scenarios in the list.Scenario Manager Path: Build menumenu->Scenarios A scenario defines a set of source conditions (flows. § Localized fire or Depressurization. and indicates the Current Scenario. headers. highlight the appropriate scenario. OK Closes the Scenario Manager view. The scenario management features within FLARENET allow you to simultaneously design and rate the header system for all of the possible relief scenarios. pressures and temperatures) for the entire network. Edit Edits the highlighted scenario and opens the Scenario Editor view where you can set thescenario parameters (general. § Plantwide cooling medium or instrument air failure. The design of a typical flare header system will be comprised of many scenarios for each of which the header system must have adequate hydraulic capacity. and then click on theCurrent button. compositions. The Scenario Manager view displays all Scenarios in the case. Several buttons are available: Button Description Add Adds a new scenario and opens the Scenario Editor view where you can set the scenario parameters (general. Current To make a scenario the current one. Up and Down Arrow Move the highlighted scenario up and down the Scenario list. tailpipes and sources). Delete Removes the currently highlighted scenario (note that there must always be at least one scenario in the case). This new node will be named with a number depending upon the number of nodes already added. The form varies. Sort Sort the node list according to alphabetically descending order either by name or location or type of node. Button Add 9 . Swap Swap the two selected pipes in the Pipes list. Edit Allows you to edit the currently highlighted node.mihanblog. depending on the type of node.mblastsavior. OK Closes the view.Node Manager Path: Build menumenu->Nodes www. Up and Down Arrow Move the highlighted pipe up and down the list.com Description You will be prompted to select the type of node. Delete Allows you to remove the currently highlighted node. Node Types ﺗﮭﯿﮫ ﮐﻨﻨﺪه :ﻣﺤﻤﺪ ﺑﮭﺰادی 10 . m ih an bl og .c om 11 .w w w .m bl as ts av io r. Note that the location can have an alphanumeric name.mihanblog.g.com Description Name The alphanumeric description of the node (e. Field 12 . you can provide a different “location”name to different sections to make it more comprehensible. Location You may wish to specify the location of the node in the plant. select the Ignore check box. Flarenet will completely disregard the node until you restore it to an active state by clearing the check box. Inlet Either type in the name of the pipe segment or select from the drop down menu. To ignore the flare tip node during calculations.mblastsavior. .Flare Tip Connections Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Tip>Tip->Connections tab www. This feature is useful for large flowsheets.HP Flare Tip). At You can specify the end of the pipe segment attached with the flare tip. c om 13 .w w w .m ih an bl og .m bl as ts av io r. Fitting loss will be used to correct the sizing for the tip. which often take the form of a curve. You can provide upto 10 data points. The default value is 1000 mm. press the Add button and to delete an existing data point press the Delete button.Flare Tip Calculations Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Tip>Tip->Calculations tab www.mblastsavior. It gives the pressure drop versus the mass flowrate for a fluid with defined molecular weight and temperature and uses linear interpolation. Valid values are between 0 and 1000 mm.mihanblog. To add a new data point. 14 .com Field Diameter Fitting Loss Description You can specify a diameter for the tip. Select the Use Curve check box to enter a vendor-supplied data for the pressure drop through a flare tip. mihanblog.mblastsavior.Connector Calculations www.com 15 . it will be calculated from length. Length Enter the connector length.Connector Calculations Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Connector>Connector->Calculations tab www.The fitting loss willl be calculated based on upstream/downstream pipesizes. Fitting Loss Method The available options are: § Calculated .mihanblog.com Field Theta Description Specify the connector expansion angle.Flarenet will not calculate the fitting loss if this is selected. 16 . it will be calculated from theta.mblastsavior. § Ignored . If not defined. If not defined. com 17 .mblastsavior.mihanblog.Tee Calculations www. This will be zero if used between pipes with the same diameter. § Miller . Field Theta 18 .Tee Calculations Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Tee>Tee->Calculations tab www. Fitting Loss Method The available options are: § Ignored .It uses a constant flow ratio independent K factor for the loss through the branch and run.Flarenet would not calculate the fitting loss if this option is selected. which are functions of the flow and area ratios of the branch to the total flow as well as the branch angle.mihanblog.com Description Specify the connector expansion.mblastsavior.This method uses a K factor which is interpolated using Miller Curves. § Simple . mihanblog.Relief Valve Conditions www.mblastsavior.com 19 . You can either enter the value or have it calculated using the MAWP and the Contingency by pressing the Set button.The relieving pressure is 121% of MAWP. § § § اﺣﺘﻤﺎل وﻗﻮع، ﺷﺎﻧﺲ، اﺣﺘﻤﺎل 20 .You can select the fluid condition from the drop down box on the ledft side. It is normally equal to the relief valve set pressure unless you have a low pressure vessel.If this option is selected. Subcool .it uses the given inlet temperature as the actual fluid temperature.01 and 600 bar. Valid values are between –250°C and 1500°C. power failure and instrument air failure. If you entered a value less than the MAWP. enterContingency the amount of subcooling Superheat . §Operating . enter the amount of superheat. Some of the operating upset examples are cooling failure. In general there are two types of process upset conditions: §Fire . The temperature specification of the source on the upstream side of the relief valve. a warning message will be generated. Relieving Pressure Inlet Temp Spec.Relief Valve Conditions Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Relief ValveValve->Conditions tab Field MAWP Contingency Descrption The Maximum Allowable Working Pressure (MAWP) is the maximum gauge pressure permissible in a vessel at its operating temperature.The relieving pressure is 110% of MAWP. The Relieving Pessure is equal to the valve set pressure plus the overpressure. The available option are: Actual . Valid values are between 0.If this option is selected. If the enthalpy method chosen is the Ideal Gas model. Allowable Back Pressure The Allowed Back Pressure is the pressure that is allowed Outlet Temperature Mass Flow Rated Flow 21 . It is the mass flow of the source.000 kg/hr. It is the rated mass flow of the source. It is the sum of the superimposed and built-up back pressure.01 to 600 bar. Valid values are between –250°C and 1500°C.mblastsavior. then this temperature is used to determine the enthalpy of the source at the entrance to the pipe network. Pressing the Set button calculates the Allowable Back Pressure as a function of the valve type as defined on the Dimension tab. otherwise this enthalpy is calculated by isenthalpic flash from the upstream pressure and temperature. Valid values are between 0 and 100.000. Valid values are between 0 and 100.000 kg/hr. This is the sized or allowable flowrate.mihanblog. Valid values are between 0.com Field Descrption to exist at the outlet of a pressure relief device as a result of the pressure in the discharge system.Relief Valve Conditions Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Relief ValveValve->Conditions tab www. This is the temperature of the source on the downstream side of the valve.000. Mole Fraction or Mass Fraction. you need to select the Fluid Type to calculate a binary composition in order to match the molecular weight. You can normalized the composition either manually editing the component fractions or by pressing the Normalize button.mihanblog. you will be prompted about an Invalid Composition if the sum of these fractions is not equal to one. Wt. You can only enter data here if the composition basis selected is Mole Fractions.com component fractions. Wt. 22 .Relief Valve Composition Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Relief ValveValve->Compositions tab Field Description Basis The composition basis.When you exit the Source view. the molecular weight is updated when you enter or change the www. Mol.. the component fractions are re-estimated when you change the molecular weight. Fluid Type If Molecular Weight is selected in the composition basis drop down box. Component Fractions The fluid composition in either mole or mass fractions. If the two components of the specified fluid type are not found then the other components are used.If the composition basis selected is Mole Fractions. You can only enter data here if the composition basis selected is Molecular Weight. The molecular weight of the fluid.mblastsavior.If the composition basis selected is Molecular Weight. Valid values are between 2 and 500. which may be either Mol. Valve Type The choices are: www.mihanblog. Field Flange Diameter Number of Valves Description 23 . Specify the number of valves for the source.000 mm2.mblastsavior.Relief Valve Dimensions Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Relief ValveValve->Dimensions tab The diameter of the valve discharge flange.A spring loaded pressure relief valve that incorporates a means for minimizing the effect of back pressure on the performance characteristics. Valid values are between 0 and 100.000.com § Balanced .A spring loaded pressure relief valve whose performance characteristics are directly affected by changes in the back pressure on the valve. § Conventional . Orifice Area Per Valve You can either enter it manually or press the Lookup button and select from the Orifice Selection view. Valid values are between 1 and 10. Vapour Pressure method as described in API Technical Data Book .Soave Redlich Kwong Equation of State. VLE Method The options for the Vapour-Liquid Equilibrium calculations are as follows (see Appendix A . § Vapour Pressure .Peng Robinson Equation of State § Soave Redlich Kwong . § Peng Robinson . Sizing Method The two Sizing Method available are: § API .Homogeneous Equilibrium Model 24 .Volume 1.American Petroleum Institute § HEM .Relief Valve Calculation Methods Path: Build menumenu->Nodes>Nodes->Add/Edit ButtonButton->Relief ValveValve->Methods tab Fields Fitting Loss Method Description The Fitting Loss drop down menu have the following two options available: § Ignored . § Calculated . § Model Default . the fitting losses for the relief valve would not be calculated.If this option is selected.The fitting losses for the source will be calculated.If this is selected.Real Gas relationship.Theoretical Basis for more details): § Compressible Gas . the Default method for the VLE method (as defined on the Options view) will be used. com www.blogfa. ﻣﻄﻤﺌﻦ ﺑﺎﺷﯿﺪ ﮐﻪ ﺑﺎ ﺑﺨﺸﺶ ﻋﻠﻤﯽ ﺑﻪ اﻃﺮاﻓﯿﺎن درﻫﺎي ﭘﻨﻬﺎن و ﻧﺎﮔﺸﻮده ﻋﻠﻢ را ﺑﺮ روي ﺧﻮد ﮔﺸﻮده ﺧﻮاﻫﯿﺪ دﯾﺪ! اﯾﻦ درﺳﯽ اﺳﺖ ﮐﻪ از ﻃﺒﯿﻌﺖ ﮔﺮﻓﺘﻢ .com . Email: Weblog: lastsavior_b@yahoo.ﺳﺨﻦ ﭘﺎﯾﺎﻧﯽ ﺑﻪ ﻧﻈﺮ ﻣﯽ رﺳﺪ در ﻋﺼﺮي ﮐﻪ آن را ﻋﺼﺮاﻧﻔﺠﺎر اﻃﻼﻋﺎت ﻧﺎﻣﯿﺪه اﻧﺪ وﻣﻦ آن را ﻋﺼﺮ روﺷﻦ اﯾﺮان ﻣﯽ ﻧﺎﻣﻢ ،ﻣﻬﻤﺘﺮﯾﻦ دﻏﺪﻏﻪ ﺑﺮاي ﭘﯿﺸﺮﻓﺖ و ﺗﺮﻗﯽ ﭘﯿﺪا ﮐﺮدن ﻣﻨﺎﺑﻊ درﺳﺖ ﻣﻄﺎﻟﻌﺎﺗﯽ ﻣﯽ ﺑﺎﺷﺪ.mblastsavior. و ﺑﺎ ﺗﺸﮑﺮ از ﺗﻤﺎم ﮐﺴﺎﻧﯽ ﮐﻪ ﺻﻤﯿﻤﺎﻧﻪ در اﯾﻦ راه ﯾﺎورم ﺑﻮدﻧﺪ از ﻣﻨﺎﺑﻊ دوﺳﺘﺎن ﺑﺎ ﺗﺸﮑﺮ ﻓﺮاوان از زﺣﻤﺎت اﯾﻦ ﻋﺰﯾﺰان در ﺟﺰوات اﺳﺘﻔﺎده ﺷﺪه اﺳﺖ: ﻧﻮﺷﺘﻪ رﺿﺎ درﺳﺘﯽ-ﻏﻼﻣﺮﺿﺎ ﺑﺎﻏﻤﯿﺸﻪ اﻣﻮزش Hysys ﻧﻮﺷﺘﻪ رﺿﺎ درﺳﺘﯽ-ﻏﻼﻣﺮﺿﺎ ﺑﺎﻏﻤﯿﺸﻪ اﻣﻮزش Aspen Plus ﻧﻮﺷﺘﻪ ﻣﺤﻤﺪ ﭘﻮرﺑﺎﻓﺮاﻧﯽ اﻣﻮزش Aspen Plus Rules of thumb for chemical engineers Carl Branan Applied process design ernest ludwig Chemical process equipment Stanley walas ﺑﻪ ﻃﻮر ﻗﻄﻊ اﯾﻦ ﺟﺰوه ﺧﺎﻟﯽ از اﺷﮑﺎل ﻧﻤﯽ ﺑﺎﺷﺪ .اﻧﺘﻘﺎل داﻧﺶ ﺑﻪ دﯾﮕﺮان ﻫﻤﺎن ﻣﻨﺸﺎ ﺧﻼ ﻋﻠﻤﯽ ﺷﻤﺎﺳﺖ.mblastsavior.mihanblog.com www. اﯾﻦ ﺟﺰوه ﺗﻘﺪﯾﻢ ﻣﯽ ﺷﻮد ﺑﻪ ﭘﺪر و ﻣﺎدرم ﮐﻪ ﭘﺸﺘﻮاﻧﻪ اي ﺑﯽ ﺑﺪﯾﻞ ﺑﺮاي اﯾﻦ ﺣﻘﯿﺮ ﺑﻮدﻧﺪ.ﺧﻮاﻫﺸﻤﻨﺪ اﺳﺖ در ﺗﺼﺤﯿﺢ و ﺑﻬﺘﺮ ﻧﻤﻮدن آن اﯾﻨﺠﺎﻧﺐ را ﯾﺎري ﻧﻤﺎﯾﯿﺪ.در ﺟﺰوات اﺧﯿﺮ ﺳﻌﯽ ﺷﺪه اﺳﺖ ﺑﺮ اﺳﺎس ﺗﺠﺮﺑﻪ و ﻣﻄﺎﻟﻌﻪ ﭼﻨﺪﯾﻦ ﻣﻨﺒﻊ ﻣﺨﺘﻠﻒ ﺑﻬﺘﺮﯾﻦ ﺳﯿﺴﺘﻢ آﻣﻮزﺷﯽ ﺑﺮاي ﺳﺮﯾﻌﺘﺮﯾﻦ ﻧﺘﯿﺠﻪ ﮔﯿﺮي اراﺋﻪ ﺷﻮد.ﻗﺪرﺗﻤﻨﺪي و وﯾﺮان ﮐﻨﻨﺪﮔﯽ ﯾﮏ ﮔﺮدﺑﺎد ﺑﻪ ﻣﯿﺰان ﺧﻼ درون آن ﺑﺴﺘﮕﯽ دارد.