CN107120983B - A kind of cooling stack three-dimensional design method - Google Patents
A kind of cooling stack three-dimensional design method Download PDFInfo
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- CN107120983B CN107120983B CN201710434153.0A CN201710434153A CN107120983B CN 107120983 B CN107120983 B CN 107120983B CN 201710434153 A CN201710434153 A CN 201710434153A CN 107120983 B CN107120983 B CN 107120983B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C1/00—Direct-contact trickle coolers, e.g. cooling towers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F25/00—Component parts of trickle coolers
- F28F25/02—Component parts of trickle coolers for distributing, circulating, and accumulating liquid
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Abstract
The present invention relates to cooling tower technical field, especially a kind of cooling stack three-dimensional design method.It specifically includes following procedure: step S1, inputting the basic parameter of cooling tower design and save to database；Step S2, it carries out cooling tower thermodynamic computing and determines cooling tower main technique size；Step S3, Structure Calculation is carried out, the structure design of cooling tower primary structural member is completed；Step S4, it extracts thermodynamic computing and Structure Calculation data forms data file；Step S5, rushton turbine is determined according to data file；Step S6 carries out water drenching beam-column design and water distribution system design on the basis of rushton turbine；Step S7 reads data file, generates three-dimensional true model according to water drenching beam-column design and water distribution system design；Step S8, construction drawing and Bill of material are automatically generated.Input data of the present invention is few, and the transmitting of design process data is internal to be realized, reduce engineer reads by hand, input service amount, guarantee accuracy avoids malfunctioning, more efficiently.
Description
Technical field
The present invention relates to cooling tower technical field, especially a kind of cooling stack three-dimensional design method.
Background technique
Cooling stack is widely used in industrial project, such as metallurgical project, chemical project, thermal power plant, nuclear power
It stands.Cooling tower is mainly by the ventilator of hyperbola and its bearing, pressure inlet channel, Central Shaft, water drenching framework, water distributing trough
The equal equipment such as components and water distribution system, filling system, dehydrater composition.
((Building Information Model) has BIM as a kind of emerging buildings model design method
Intuitive, harmony, simulation, optimization property and the features such as can go out figure, it is traditional that these features gradually replace BIM technology
Two-dimensional design technology.In building trade at home and abroad, especially monomeric complex building, BIM technology has had certain answer
With, but in industrial circle such as thermal power plant, chemical plant etc., the application of BIM technology also relatively lags.
For current status, the software platform of BIM technology is realized there are many available, such as autodesk, inc.
Revit software, the MicroStation platform of Bentley company, Dassualt Systems company CATIA software,
Archicad software of Graphisoft company etc., these software platforms have the advantage and characteristic of itself.For various originals
The considerations of because of (such as versatility, operation friendly and price), generally use the Revit software of autodesk, inc. in the industry at present
To carry out BIM three-dimensional modeling.
It is more that cooling tower is related to component equipment, spatially interlaced arrangement, was not only related between each component equipment, but also mutually system
About.Cooling tower is related to 2 professions of process and structure, and complete design works usually with several engineers.Entire cooling tower is set
Work is counted, engineer is often required to largely cooperate modification could complete design.Meanwhile traditional two-dimensional design technology
Under, due to can not intuitively consider spatial relationship between each component, collision happens occasionally, and also increases design modification to a certain extent
Workload.
For this purpose, being based on BIM technology, a kind of more simple cooling tower three-dimensional design method is invented, keeps designer more absorbed
In design itself, realize that arrangement is automatically formed after the completion of calculating is automatically performed the drafting of drawing after engineer confirms arrangement
With the statistics of Bill of material, time and the cost of the design of cooling tower are reduced.
Summary of the invention
The technical problems to be solved by the present invention are: in view of the above problems, it is cooling to provide a kind of gravity-flow ventilation
Tower three-dimensional design method.
The technical solution adopted by the invention is as follows: a kind of cooling stack three-dimensional design method, specifically includes following
Process: it step S1, inputs the basic parameter of cooling tower design and saves to database；Step S2, cooling tower heating power is carried out
It calculates and determines cooling tower main technique size；Step S3, Structure Calculation is carried out, the structure of cooling tower primary structural member is completed
Design；Step S4, it extracts thermodynamic computing and Structure Calculation data forms data file；Step S5, according in data file determination
Outer subregion；Step S6 carries out water drenching beam-column design and water distribution system design on the basis of rushton turbine；Step S7 reads number
According to file, three-dimensional true model is generated according to water drenching beam-column design and water distribution system design；Step S8, construction drawing is automatically generated
And Bill of material.
Further, in the step S3, the primary structural member includes ventilator and its bearing, pressure inlet channel,
Central Shaft, water distributing trough complete the geometric dimension and arrangement of reinforcement information of primary structural member.
Further, the detailed process of the step S5 are as follows: step S5-1, disposed axle net, wherein the 1st axis net is away from starting point
Distance be that water distribution groove width adds axis net spacing, with upper axis net distance be axis net spacing from the 2nd axis net, to one
The water distribution of quadrant is arranged and is calculated；Step S5-2, calculate water distribution inner region square side length, determine rushton turbine boundary, it is described just
Rectangular side length a=(0.6 π R^2) ^0.5, a take the center of adjacent two sparge pipes, and R is tower inside radius.
Further, the process that water drenching beam-column design includes layout design, the layout design are carried out in the step S6
Detailed process are as follows: step S61-1 determines primary-secondary beam direction according to rushton turbine boundary；Step S61-2, in the X-axis of axis net
Water drenching post is arranged in line and Y-axis line intersection；Step S61-3 reads water drenching post number N, traverses each water drenching post, each leaching
Water column successively carries out step S61-4 to step S61-9；Step S61-4 calculates water drenching post capital and tower distance L, and judges
Whether distance L is greater than water drenching post and tower minimum range, if so, corresponding water drenching post location confirmation, and to step S61-9,
If it is not, then to step S61-5；Step S61-5 arranges water distribution level beam according to the primary-secondary beam direction that S61-1 is determined；Step S61-
6, each water distribution level beam length is calculated, and judge whether the water distribution level beam length is less than water distribution level beam maximum length,
If it has not, water drenching post top mark height is then down to packing layer back, and to step S61-9, if it has, then to step S61-7；Step
S61-7 arranges packing layer secondary beam according to the primary-secondary beam direction that S61-1 is determined；S61-8 calculates each packing layer time beam length,
And judge whether the packing layer time beam length is less than packing layer secondary beam maximum length, if it has not, deleting corresponding water drenching post, and extremely walk
Rapid S61-9, if it is, water drenching post is moved a time case bay into cooling tower along place girder direction, and to step S61-
9；Step S61-9 traverses next water drenching post, repeats step S61-4 to step S61-9, until N number of water drenching post is completed time
It goes through；Step S61-10 forms water drenching post arrangement；Step S61-11, arrangement match water layer girder and secondary beam；Step S61-12,
Arrange packing layer girder and secondary beam, the water drenching beam column arrangement of formation.
Further, the process that water drenching beam-column design includes structure design, the structure design are carried out in the step S6
Detailed process are as follows: step S62-1, according to S61-12 formed water drenching beam column arrangement, read upper load, mainly include
Weight of equipment and maintenance load；Step S62-2, the sectional dimension of setting girder, secondary beam and water drenching post；Step S62-3 is carried out
Internal force calculates；Step S62-4 carries out ultimate limit state calculating；Step S62-5, serviceability limit state checking computations；Step
S62-6, judges whether serviceability limit state meets the requirements, if it is, structure design terminates, if it has not, to step S62-
7；S62-7, respective members sectional dimension in modification girder, secondary beam and water drenching post, until S62-3.
Further, the detailed process that water distribution system designs in the step S6 are as follows: step S63-1 calls water distribution to calculate
Program calculates the flow of sparge pipe and spray head using iteration trial and error procedure；Step S63-2 calculates water distribution system and is evenly distributed with factor sigma and spray
Head water deviation ratio △ σ；Step S53-3 saves calculated result to database and computation model；Step S63-4 is calculating mould
Load calculated result in type, the model of spray head and sparge pipe is distinguished with color or size or symbol, shows spray head with color value line
And the calculated result of sparge pipe, deviation ratio △ σ is highlighted beyond the spray head of specified value.
Compared with prior art, by adopting the above technical scheme have the beneficial effect that (1) design input data is few, designed
Number of passes realizes according to transmitting is internal, reduce engineer reads by hand, input service amount, guarantee accuracy avoids malfunctioning；(2) basis
Built-in algorithm automatically generates arrangement；(3) interactive interface, visualization display can real time inspection arrangement；Show shape
Formula multiplicity, arrangement includes true model, simplification figure, and element type can be shown with color bar, intuitively, very clear；(4)
It is automatically performed the layout design and structure design of water drenching beam column；(5) construction drawing and Bill of material are automatically generated, largely weight is avoided
Multiple work can greatly improve the efficiency of structural analysis and design；(6) compared to traditional two-dimensional design technology, this hair
It is bright more intuitive, efficient, accurate.
Detailed description of the invention
Fig. 1 is the flow diagram of cooling stack three-dimensional design method of the present invention.
Fig. 2 is water drenching beam column layout design flow chart of the present invention.
Fig. 3 is water drenching beam column construction design flow diagram of the present invention.
Specific embodiment
The present invention proposes a kind of cooling stack three-dimensional design method, below in conjunction with attached in the embodiment of the present invention
Figure, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only this
Invention a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art institute
The every other embodiment obtained, shall fall within the protection scope of the present invention.
As shown in Figure 1, a kind of cooling stack three-dimensional design method, specifically includes following procedure: step S1, input
The basic parameter of cooling tower design is simultaneously saved to database, for subsequent calls；It is true to carry out cooling tower thermodynamic computing by step S2
Determine cooling tower main technique size, is designed for subsequent structural；Step S3 carries out Structure Calculation, completes cooling tower primary structure
The structure of component designs；Step S4, extracts thermodynamic computing and Structure Calculation data form data file；Step S5, according to data
File determines rushton turbine；Step S6 carries out water drenching beam-column design and water distribution system design on the basis of rushton turbine；Step
S7 reads data file, generates three-dimensional true model according to water drenching beam-column design and water distribution system design；Step S8 is automatic raw
At construction drawing；Step S9 generates Bill of material.It can be adopted using Revit as BIM Three-dimensional Design Software in the embodiment
It uses C# as the tool of secondary development, passes through the embodiment, it is only necessary to input necessary basic parameter, can automatically generate
The threedimensional model of arrangement, design overall process largely save the time that cooling tower design is wanted, improve working efficiency.
In the step S3, the primary structural member includes ventilator and its bearing, pressure inlet channel, Central Shaft,
Water distributing trough completes the geometric dimension and arrangement of reinforcement information of primary structural member.Above- mentioned information are saved to database.Ventilator uses
Cooling tower application specific architecture calculation procedure obtains the geometric dimension and arrangement of reinforcement information of ventilator, inclined strut, buttress and ring group.Simultaneously
Structure design is carried out using structural mechanics method or FInite Element, obtains the components such as pressure inlet channel, Central Shaft, water distributing trough
Geometric dimension and arrangement of reinforcement information.
Due to being Striking symmetry inside cooling tower, to avoid excessive calculation amount, to one quadrant (a quarter area
Domain) arrangement and calculating.The detailed process of the step S5 are as follows: step S5-1, disposed axle net, wherein the 1st axis net is away from starting point
Distance be that water distribution groove width adds axis net spacing, with upper axis net distance be axis net spacing from the 2nd axis net, to one
The water distribution of quadrant is arranged and is calculated；Step S5-2, calculate water distribution inner region square side length, determine rushton turbine boundary, it is described just
Rectangular side length a=(0.6 π R^2) ^0.5, a take the center of adjacent two sparge pipes, and R is tower inside radius.
Water drenching beam-column design includes water drenching beam column layout design and structure design.Wherein, as shown in Fig. 2, the step S6
It is middle to carry out the process that water drenching beam-column design includes layout design, the detailed process of the layout design are as follows: step S61-1, according to
Rushton turbine boundary, determines primary-secondary beam direction, and in axis net, in 0 < x < a and 0 < y < region a, secondary beam are parallel to X-axis；In a < x < Zone R
Domain, secondary beam are parallel to X-axis；In a < y < R and 0 < x < region a, secondary beam is perpendicular to X-axis；Girder is arranged perpendicular to secondary beam, is located at axis
At line；Step S61-2 arranges water drenching post in the X-axis line of axis net and Y-axis line intersection；Step S61-3 reads water drenching post number
N traverses each water drenching post, each water drenching post successively carries out step S61-4 to step S61-9；Step S61-4 calculates leaching
Water column capital and tower distance L, and judge whether distance L is greater than water drenching post and tower minimum range, if so, corresponding leaching
Water column location confirmation, and to step S61-9, if it is not, then to step S61-5；Step S61-5, the primary-secondary beam determined according to S61-1
Water distribution level beam is arranged in direction；Step S61-6 calculates each water distribution level beam length, and judges the water distribution level beam length
Whether water distribution level beam maximum length is less than, if it has not, water drenching post top mark height is then down to packing layer back, and to step S61-
9, if it has, then to step S61-7；Step S61-7 arranges packing layer secondary beam according to the primary-secondary beam direction that S61-1 is determined；S61-
8, each packing layer time beam length is calculated, and judge whether the packing layer time beam length is less than packing layer secondary beam maximum length,
If it has not, corresponding water drenching post is deleted, and to step S61-9, if it is, water drenching post is moved along place girder direction into cooling tower
Dynamic one case bay, and to step S61-9；Step S61-9 traverses next water drenching post, repeats step S61-4 to step
S61-9, until N number of water drenching post is completed to traverse；Step S61-10 forms water drenching post arrangement；Step S61-11, arrangement are matched
Water layer girder and secondary beam；Step S61-12 arranges packing layer girder and secondary beam, the water drenching beam column arrangement of formation.
As shown in figure 3, the process that water drenching beam-column design includes structure design is carried out in the step S6, the structure design
Detailed process are as follows: step S62-1, according to S61-12 formed water drenching beam column arrangement, read upper load, mainly include
The weights of equipment such as filler, sparge pipe, dehydrater and maintenance load；Step S62-2, section of setting girder, secondary beam and water drenching post
Face size；Step S62-3 carries out internal force calculating；Step S62-4 carries out ultimate limit state calculating；Step S62-5, normally
Ultimate service state checking computations；Step S62-6, judges whether serviceability limit state meets the requirements, if it is, structure design knot
Beam, if it has not, to step S62-7；Step S62-7, respective members sectional dimension in modification girder, secondary beam and water drenching post, to walking
Rapid S62-3.
The detailed process that water distribution system designs in the step S6 are as follows: step S63-1 calls water distribution calculation procedure, uses
Iteration trial and error procedure calculates the flow of sparge pipe and spray head；Step S63-2, calculating water distribution system is evenly distributed with factor sigma and spray head water is inclined
Rate △ σ；Step S53-3 saves calculated result to database and computation model；Step S63-4, loads in computation model
The model of calculated result, spray head and sparge pipe is distinguished with color or size or symbol, shows spray head and sparge pipe with color value line
Calculated result, deviation ratio △ σ is highlighted beyond the spray head of specified value.Water distribution calculated result is shown with color bar
Show, can fast and effeciently observe calculated result, and then setting to parameter and adjustment are also in real time, effectively.
The invention is not limited to specific embodiments above-mentioned.The present invention, which expands to, any in the present specification to be disclosed
New feature or any new combination, and disclose any new method or process the step of or any new combination.If this
Field technical staff is altered or modified not departing from the unsubstantiality that spirit of the invention is done, should belong to power of the present invention
The claimed range of benefit.
Claims (3)
1. a kind of cooling stack three-dimensional design method, which is characterized in that including following procedure: step S1, input cooling
Basic parameter needed for Deethanizer design is simultaneously saved to database；Step S2, it carries out cooling tower thermodynamic computing and determines the main work of cooling tower
Skill size；Step S3, Structure Calculation is carried out, the structure design of cooling tower primary structural member is completed；Step S4, heating power is extracted
It calculates and Structure Calculation data forms data file；Step S5, rushton turbine is determined according to data file；Step S6, inside and outside
Water drenching beam-column design and water distribution system design are carried out on the basis of subregion；Step S7 reads data file, is set according to water drenching beam column
Meter and water distribution system design generate three-dimensional true model；Step S8, construction drawing and Bill of material are automatically generated；
In the step S3, the primary structural member includes ventilator and its bearing, pressure inlet channel, Central Shaft, water distribution
Slot completes the geometric dimension and arrangement of reinforcement information of primary structural member；
The detailed process of the step S5 are as follows: step S5-1, disposed axle net, wherein the 1st distance of the axis net away from starting point is water distribution
Groove width adds axis net spacing, with upper axis net distance is axis net spacing from the 2nd axis net, matches water cloth to quadrant
It sets and calculates；Step S5-2, water distribution inner region square side length is calculated, determines rushton turbine boundary, the square side length a=
(0.6 π R^2) ^0.5, a take the center of adjacent two sparge pipes, and R is tower inside radius；
The process that water drenching beam-column design includes layout design, the detailed process of the layout design are carried out in the step S6 are as follows:
Step S61-1 determines primary-secondary beam direction according to rushton turbine boundary；Step S61-2 intersects in the X-axis line and Y-axis line of axis net
Place's arrangement water drenching post；Step S61-3 reads water drenching post number N, traverses each water drenching post, each water drenching post successively carries out
Step S61-4 to step S61-9；Step S61-4 calculates water drenching post capital and tower distance L, and whether judges distance L
Greater than water drenching post and tower minimum range, if so, water drenching post location confirmation is corresponded to, and to step S61-9, if it is not, then to step
Rapid S61-5；Step S61-5 arranges water distribution level beam according to the primary-secondary beam direction that S61-1 is determined；Step S61-6 is calculated each
Root water distribution level beam length, and judge whether the water distribution level beam length is less than water distribution level beam maximum length, if it has not, then will
Water drenching post top mark height is down to packing layer back, and to step S61-9, if it has, then to step S61-7；Step S61-7, according to
Packing layer secondary beam is arranged in the primary-secondary beam direction that S61-1 is determined；S61-8 calculates each packing layer time beam length, and judges that this is filled out
Whether the bed of material time beam length is less than packing layer secondary beam maximum length, if it has not, delete corresponding water drenching post, and to step S61-9, if
Be it is yes, water drenching post is moved into a time case bay into cooling tower along place girder direction, and to step S61-9；Step S61-
9, next water drenching post is traversed, step S61-4 to step S61-9 is repeated, until N number of water drenching post is completed to traverse；Step S61-
10, form water drenching post arrangement；Step S61-11, arrangement match water layer girder and secondary beam；Step S61-12 arranges packing layer master
Beam and secondary beam, the water drenching beam column arrangement of formation.
2. cooling stack three-dimensional design method as described in claim 1, which is characterized in that carried out in the step S6
Water drenching beam-column design includes the process of structure design, the detailed process of the structure design are as follows: step S62-1, according to S61-12
The water drenching beam column arrangement of formation reads upper load, mainly includes weight of equipment and maintenance load；Step S62-2, if
Set the sectional dimension of girder, secondary beam and water drenching post；Step S62-3 carries out internal force calculating；Step S62-4 carries out the bearing capacity limit
State computation；Step S62-5, serviceability limit state checking computations；Step S62-6 judges whether serviceability limit state is full
Foot requires, if it is, structure design terminates, if it has not, to step S62-7；Step S62-7, modification girder, secondary beam and water drenching post
Middle respective members sectional dimension, until step S62-3.
3. cooling stack three-dimensional design method as claimed in claim 2, which is characterized in that water distribution in the step S6
The detailed process of system design are as follows: step S63-1 calls water distribution calculation procedure, calculates sparge pipe and spray using iteration trial and error procedure
The flow of head；Step S63-2 calculates water distribution system and is evenly distributed with factor sigma and spray head water deviation ratio △ σ；Step S53-3 will be calculated
As a result it saves to database and computation model；Step S63-4, loads calculated result in computation model, spray head and sparge pipe
Model is distinguished with color or size or symbol, and the calculated result of spray head and sparge pipe is shown with color value line, super to deviation ratio △ σ
The spray head of specified value is highlighted out.
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| CN107256310B (en) * | 2017-06-09 | 2020-07-10 | 中国电力工程顾问集团西南电力设计院有限公司 | Three-dimensional design method for water collecting device of high-level water collecting cooling tower |
| CN113111469B (en) * | 2021-03-17 | 2023-03-14 | 中国电力工程顾问集团西南电力设计院有限公司 | Cooling tower water distribution system design method for optimizing water distribution system check |
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| US5661670A (en) * | 1995-05-25 | 1997-08-26 | Midwest Research Institute | Method and system for simulating heat and mass transfer in cooling towers |
| CN102236733B (en) * | 2011-06-30 | 2015-04-22 | 内蒙古电力勘测设计院有限责任公司 | Method and device for computing cooling tower by using general program ANSYS |
| CN103106306B (en) * | 2013-02-01 | 2015-09-09 | 国核电力规划设计研究院 | A kind of cooling tower water distribution system modeling method |
| CN103150460B (en) * | 2013-04-03 | 2016-01-20 | 大唐(北京)能源管理有限公司 | A kind of structure analysis method of indirect dry cooling tower |
| CN105806143B (en) * | 2016-03-16 | 2018-10-23 | 安徽皖苏电力运检科技有限公司 | A kind of thermal power plant's cooling column heat-exchanger rig three-dimensional optimized method for arranging |
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