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Agitator / Mixer
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Tubular Exchanger
Agitator / Mixer
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Cross Country Piping
Satish Lele
leleequip@gmail.com

Design and Drawing Program for Tubular Exchanger

I offer Program for Design and Detailed Drawing of Heat Exchangers. This is a user friendly progrm with dialog boxes, which is an add-on for any CAD program for developing GA drawing for Tubular Exchanger. The program asks for some parameters and then Designs and Draws the drawing. The software gives all minor details at Quotation Stage itself and this helps to quote in most competitive manner. It can draw a Tubular Exchanger with up to 1000 tubes. It will be extended to 2,000 tubes later. You can modify the drawing as per your style.
Trial program is available with 4 options of Tube Number selection. You can select only 250, 500, 750 or 1000 tubes.
The Package can be customized, as per your exact specifications. This will be done with extra charges.

to Download Sample Drawings
to Download Trial Program for Drawing of Tubular Exchangers
OR
to Request for Trial Drawing Program.

Drawings developed by my program are as follows :
GA Drawing of Tube Bundle and baffles for double pass Tubular Exchanger with floating head, with tags to each component

A GA Drawing of Tube Bundle and baffles for double pass Tubular Exchanger with floating head. It shows tags to each component.

Drawing of Heads and Gaskets for double pass floating head, showing details at bottom and notes on right

A Drawing of Heads and Gaskets for double pass floating head. It shows details at bottom and it writes the notes on right.

Complete GA Drawing of Exchanger, details of saddle, Nozzles and Nozzle table, with Bill of Material for each component with reference to tag number

Complete GA Drawing of Exchanger, details of saddle, Nozzles and Nozzle table. It also writes Bill of Material for each component with reference to tag number.


How the Program Runs?

The program asks for parameters in the following dialog boxes, and based on these values, designs and draws.

Imperial or Metric

Dialog Box 1 : You can select the Foot-Inch units or Metric Units for the drawing. The system variables will be set automatically to draw in either Foot-Inch or Metric Units. All inputs will also be in selected unit system.

Drawimg Data

Dialog Box 2 : Enter designer data which will reflect in the title block of drawing. Program will automatically selects date.

Tube Data

Dialog Box 3 : You can select Outer Diameter of Tube. It is generally 19 mm, 25 mm, 32 mm or higher. Correspondingly you select Tube Pitch. It is generally 25 mm (for 19 mm tube), 32 mm (for 25 mm tube), 40 mm (for 32 mm tube). Tube length is end to end length of tube. Tube Pitch is the distance between center lines of two tubes. Gasket width is for circular part as well as for dividing line for fixed tube sheet and floating tube sheet. Tube extension is projection length of tube outside the tube sheet (in head portion). You can select any number of tubes from 1 to 1,000. This will be extended to 2000 tubes. You can fix gasket thickness.

Number of Passes

Dialog Box 4 : You can select either 1, 2, 4, 6 8, 10 or 12 passes on tube side.


Tube sheet with flange or without flange

Dialog Box 5 : You can select Tube sheet with flange or without flange.

Tube Configuration

Dialog Box 6 : Once these tube parameters are fixed, you select the tube configuration. There are 4 options. You can select either Square pitch, Triangular pitch, Rotated Square pitch or Rotated Triangular pitch. Square and Triangular pitch are normally used as it facilitates cleaning of the tube externally. Configuration for different passes is shown below.

Fixed/Floating Tube sheet

Dialog Box 7 : If it is 1 pass exchanger you can select either Fixed head or Floating Shell. In case of fixed head and floating shell, Diameter / PCD of both tube sheets will be same.

Fixed/Floating Tube sheet

Dialog Box 7 : You can select either Fixed head, Floating head, Floating Shell or U Tube. In case of fixed head and floating shell, Diameter / PCD of both tube sheets will be same. In case of floating head Diameter / PCD of Right (Fixed Head) tube sheet will be smaller than that one on Left (Floating Head). In U Tube there is only one tube sheet.

It has tubes in central line in both direction. Each tube center is one pitch distance left or right. Next tube center is one pitch distance up or down.

It has no tubes in horizontal central line, but tubes exists in vertical direction along central line. First vertical line is half pitch distance above or below centerline. Each tube in horizontal center is one pitch distance left or right. Next tube center is one pitch distance up or down.

It has a no central line in horizontal and vertical direction. First line in horizontal and vertical direction is half pitch distance above or below / left or right of centerline. Next tube center is one pitch distance up or down.

It has a central line in both direction. Each tube in centerline is one pitch distance x phfact left or right. First vertical centerline is one pitch x pvfact distance up or down. First horizontal centerline is half pitch distance x phfact left or right of centerline. Second centerline in vertical direction is one pitch distance x pvfact above or below.

It has a no central line in horizontal direction, but exists in vertical direction. First line is half pitch distance + gasket width above or below centerline. Each tube center is one pitch x phfact distance left or right. Next tube center is one pitch distance x pvfact up or down.

It has a no central line in horizontal and vertical direction. First line in horizontal direction is half pitch distance + gasket width left or right of centerline. First line in vertical direction is half pitch distance + gasket width above or below centerline. Each tube center in horizontal direction is one pitch distance x phfact left or right. Each tube centerline in vertical direction is one pitch distance x pvfact above or below.

It has tubes in central line in both direction. First horizontal line is half pitch above center line. Each tube center is one pitch distance in vertical direction and pitch x 1.7321 in horizontal direction.

It has no tubes in horizontal central line but has a line of tube in vertical direction. First horizontal line is half pitch above / below center line. Each tube center is one pitch + gasket width distance in vertical direction and pitch x 1.7321 in horizontal direction.

It has no tubes in horizontal and vertical central line. First horizontal and vertical line is half pitch up/ down /above / below center line. Each tube center is one pitch + gasket width distance in vertical direction and pitch x 1.7321 in horizontal direction.

It has tubes in central line in both direction. First horizontal line is pitch x 0.866 above center line. Each tube center is one pitch distance in horizontal direction and pitch x 0.866 in vertical direction.

It has tubes in central line in vertical direction. First horizontal line is half pitch + gasket width above center line. Each tube center is one pitch distance in horizontal direction and pitch x 0.866 in vertical direction.

It has no tubes in central lines in both directions. First horizontal and vertical line is half pitch + gasket width above center line. Each tube center is one pitch distance in horizontal direction and pitch x 0.866 in vertical direction.

Expansion Bellow

In case of Fixed Head, you can select sizes of expansion Bellow.


Floating Ring

In case of Floating Shell, you can select sizes of Floating Ring.

Tube Sheet Data

Dialog Box 8 : In case of Floating Head, based on Number of tubes, program will indicate Outer Tube Limit, OD and PCD of tube sheet as well as number of bolt holes and diameter of bolt holes. It will indicate shell thickness and Gap between Outer Tube Limit and shell ID in Left Column and that for Fixed head in Right Column. In case of Fixed Head, only values in Left column will be shown.

Head Channel Flange Data

Dialog Box 9 : You can select Heads, Type of flange and Length of channel. Also you can specify whether a davit is required for channel flange.

Channel Flange Davit

Tube Sheet Detail

Dialog Box 10 : Yhis indicates values for tube sheet.


Materials of Construction

Dialog Box 11 : You can select combinations of Material of Construction.


Details of Materials of Construction

Dialog Box 12 : You can select Details of Material of Construction.


Type of Baffles

Dialog Box 13 : In this you can select 6 types of baffles.

Top Cut BaffleBottom Cut Baffle
Top / Bottom Cut BaffleTop / Bottom / Middle Cut Baffle

Left Cut BaffleRight Cut Baffle

Number and Locations of Baffles

Dialog Box 14 : 6 Dialog boxes of these will be displayed if you select these in earlier box. You have to indicate the location of baffles.


Total Number of Baffles and End Gap

Dialog Box 15 : In this box you can select Total Number of Baffles (these include two baffles at end, and cut baffles). End baffles are generally placed away from tube sheet for nozzle, hence you have to indicate Gap of End Baffles. Gap in Other Baffles is generally uniform. You can choose Thickness of Baffle. For Top / Bottom cut Baffles, you can indicate baffle size as % of diameter. For Top / Bottom / Center cut Baffle, you can indicate vertical and horizontal % of diameter, as vacant area.

Tie Rods

Dialog Box 16 : In this box you can select Number of Tie Rods, Diameter of Tie Rods, Length of Tie Rods will be indicated based on length of tube.

Number of tubes in each row

Dialog Box 17 : The Dialog Box shows number of tubes in each row above and below center line of tube sheet. You can change these, but total tubes should not exceed number of tubes selected earlier. (The box shown is for 500 tubes.)

Edit / Write Notes

Dialog Box 18 : This offers you two options. Either you can write Notes that are generally written or you can select/edit each note.

Edit Notes

Dialog Box 19 : If you select edit option, you can see and edit each note. If you uncheck any box, that note will be deleted. You will get 10 number of boxes with more notes.

Saddle Data

Dialog Box 20 : You can select dimensions for Saddle Support.

Total number of Nozzles

Dialog Box 21 : You can select Nozzles atteched to the exchanger.


Dimensions of Nozzles

Dialog Box 22 : You can select Parameters for each Nozzle attached to the exchanger. Nozzle will be drawn as detail and tags will be given to all components. Its components will be added to Bill of Material.

Nozzle Drawing

Dialog Box 23 : Nozzles drawn as detail with tags and Nozzle Table.

Insert Nozzle

Dialog Box 24 : You will be instructed to insert each Nozzle attached to the exchanger. Select nearest or mid point to insert nozzle. Select angle of rotation. Irrespective of rotation, nozzle number will be displayed horizontally.

Side or Circular

Dialog Box 25 : You will be instructed to select either side or circular Nozzle in case of smaller nozzles. Select nearest or mid point to insert nozzle.

here to see Dialog Boxes in Metric Units
This Package includes
Design Programs for
DoublePipe
Exchanger
Heater
Cooler
Program for Design of Tubular Exchanger
to Download Demo Program for Design of Tubular Exchangers
OR
to Request for Demo Program.
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