CN105320069B - The control method that a kind of dry gas holder manufactures and designs - Google Patents
The control method that a kind of dry gas holder manufactures and designs Download PDFInfo
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- CN105320069B CN105320069B CN201510631932.0A CN201510631932A CN105320069B CN 105320069 B CN105320069 B CN 105320069B CN 201510631932 A CN201510631932 A CN 201510631932A CN 105320069 B CN105320069 B CN 105320069B
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- gas chamber
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/18—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form
- G05B19/4097—Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by using design data to control NC machines, e.g. CAD/CAM
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- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The control method that a kind of dry gas holder manufactures and designs, belongs to gas chamber manufacturing technology field.By the FEM model for establishing gas chamber to be manufactured, obtain under load-up condition maximum horizontal displacement and the outer maximum deformation quantity of column nodal plane at minimum horizontal displacement difference and gas chamber piston at each plane column node of gas chamber, and adjust gas chamber structural parameters, avoid the occurrence of piston get stuck, the engineering accident such as tank leaning.Advantage is that reaching design for gas chamber uses function offering method foundation, beneficial to the large-scale popularization of novel dry gas chamber.
Description
Technical field
The invention belongs to gas chamber manufacturing technology field, more particularly to a kind of controlling party of dry gas holder design and manufacture
Method.It is mainly used in the design, exploitation and the maintenance of gas chamber of metallurgy industry novel dry gas chamber.
Background technology
Gas chamber is to store metallurgy, the steel vessel of the industry coal gas such as petrochemical industry, novel dry gas chamber by cylinder, cabinet top,
Bottom of cabinet plate and piston etc. form, and plane is circle, can give play to the sharpest edges of steel construction.
Gas chamber belongs to unique construction, should meet safety of structure requirement, must meet the requirement of technique usability, i.e., living
Plug reaches occurs without the phenomenon that gets stuck among design lift.Gas chamber is the process structure introduced from foreign countries earliest, a large amount of using weldering
Steel construction is connect, structure stress is more complicated, and structure design also can not find structure design control due to unspecial specification and code
There are the engineering accidents such as stuck piston, tank leaning in property index processed, the part Typical Gas Tank for causing to come into operation at present.
The content of the invention
It is an object of the invention to provide a kind of control method for manufacturing dry gas holder structure, beneficial to novel dry coal gas
The large-scale popularization of cabinet, avoid the occurrence of piston get stuck, the engineering accident such as tank leaning, reach design for gas chamber and provided using function
Method foundation.
The present invention proposes a kind of control method for manufacturing coal gas cabinet, and this method comprises the following steps：
Step 1：The FEM model of gas chamber to be manufactured is established, designs gas chamber structural parameters.
Step 2：Set gas chamber load-up condition.
Step 3, maximum horizontal displacement and minimum level position at each plane column node of gas chamber are obtained under load-up condition
Move, and calculate the difference of maximum horizontal displacement and minimum horizontal displacement.
Step 4, the difference of maximum horizontal displacement and minimum horizontal displacement is allowed to become with what piston sealing device can be adjusted
Shape amount compares, if the difference is more than the permission deflection, return to step 1, if the difference allows to become less than described
Shape amount, continue step 5.
Step 5, the deformation plane of the gas chamber under load-up condition is obtained, if gas chamber plane deformation is under load-up condition
Ellipse, return to step 1, if plane deformation is rounded, continue step 6.
Step 6, the outer maximum deformation quantity of column nodal plane or gas chamber at the gas chamber piston under load-up condition is obtained to live
Fill in lower tumbler position maximum deformation quantity.
Step 7, by the maximum deformation quantity in step 6 compared with piston lower tumbler position height, if the maximum
Deflection exceedes the 1/1000 of piston lower tumbler position height, return to step 1, if the maximum deformation quantity is no more than under piston
The 1/1000 of idler positions height, continue step 8.
Step 8, the Stability Checking Calculation for carrying out gas chamber steel column is checked.
The advantage of the invention is that：It can ensure that the security requirement of gas chamber structural body and the normal use of piston are wanted
Ask, customer service overcomes the phenomenon that gets stuck occurred in use, effectively prevents the generation of gas chamber engineering accident.
Brief description of the drawings
Fig. 1 is gas chamber plane deformation figure；
Fig. 2 is gas chamber vertical deformation figure；
Fig. 3 is control method steps flow chart of the present invention.
Embodiment
The present invention proposes a kind of control method of dry gas holder structure, below with specific embodiment to details of the present invention
It is further described.This method is modeled calculating using finite element software, considers various load cases and Load Combination, point
The deflection that analysis piston sealing device can be adjusted, each steel member stress, which removes, to be met《Code for design of steel structures》Allowing for material should
Power requirement is outer, as shown in figure 3, the control method comprises the following steps：
Step 1：The FEM model of gas chamber to be manufactured is established, designs gas chamber structural parameters.Finite element modeling process
Include setting gas chamber diameter and sheet metal thickness, column size and number, ribbed stiffener size and location etc..Finite element modeling is
Gas chamber designs traditional design methods, will not be repeated here.
Step 2：Set gas chamber load-up condition.In the present embodiment, load-up condition can be real according to gas chamber to be manufactured
Border working condition is set.
Step 3, maximum horizontal displacement and minimum level position at each plane column node of gas chamber are obtained under load-up condition
Move, and calculate the difference of maximum horizontal displacement and minimum horizontal displacement.As shown in figure 1, gas chamber column 5 is arranged on gas chamber cabinet
The outer surface of side plate 1, deformation gap be present between gas chamber cabinet side plate 2 after gas chamber cabinet side plate 1 and loading lotus before loading lotus
That is deflection, minimum level deflection 3 (unit mm) and maximum horizontal deflection 4 (unit mm) after gas chamber loading lotus are obtained
Difference, in addition, the position of minimum level deflection 3 and maximum horizontal deflection 4 does not necessarily represent the deformation in practice in Fig. 1
The position of amount, and only exemplary locations.
Step 4, the difference of maximum horizontal displacement and minimum horizontal displacement is allowed to become with what piston sealing device can be adjusted
Shape amount compares, if the difference is more than the permission deflection, return to step 1, if the difference allows to become less than described
Shape amount, continue step 5.The difference of maximum horizontal displacement and minimum horizontal displacement allows to deform with what piston sealing device can be adjusted
Amount is one of committed step for reaching gas chamber performance indications of the present invention, if the condition is unsatisfactory for, it is necessary to return to step 1 again
Relevant parameter is designed, untill reaching standard.
Step 5, the deformation plane of the gas chamber under load-up condition is obtained, if gas chamber plane deformation is under load-up condition
Ellipse, return to step 1, if plane deformation is rounded, continue step 6.It will be understood by those skilled in the art that in step 5
" circle " and " ellipse " be interpreted as substantially rounded or ellipse.Plane deformation is substantially rounded after loading is
Reach one of committed step of gas chamber performance indications of the present invention, if the condition is unsatisfactory for, it is necessary to return to step 1 and redesign
Relevant parameter, untill reaching standard.
Step 6, the outer maximum deformation quantity of column nodal plane or gas chamber at the gas chamber piston under load-up condition is obtained to live
Fill in lower tumbler position maximum deformation quantity.As shown in Fig. 2 claustra 8 is arranged on gas chamber cabinet side plate outer surface, gas chamber before lotus is loaded
Behind cabinet side plate upright position 6 and loading lotus there is deformation gap i.e. deflection in gas chamber cabinet side plate upright position, obtain gas chamber
The maximum deformation quantity 10 (unit mm) of gas chamber cabinet side plate upright position after loading lotus.
Step 7, by the maximum deformation quantity in step 6 compared with piston lower tumbler position height, if the maximum
Deflection exceedes the 1/1000 of piston lower tumbler position height, return to step 1, if the maximum deformation quantity is no more than under piston
The 1/1000 of idler positions height, continue step 8.As shown in Fig. 2 by gas chamber cabinet side plate upright position before the loading lotus of acquisition
6 and loading lotus after gas chamber cabinet side plate upright position maximum deformation quantity 10 compared with the height of piston lower tumbler position 9.
By inventor's long-term practice and engineering test, it is found that it is one maximum deformation quantity reaches the 1/1000 of piston lower tumbler position height
Individual crucial critical point, ensure that maximum deformation quantity is no more than piston lower tumbler position height 1/1000 is to reach coal gas of the present invention
One of key parameter of cabinet technical performance, above-mentioned specific threshold value is not disclosed in the prior art.
Step 8, the Stability Checking Calculation for carrying out gas chamber steel column is checked, and Out-of-plane Effective Length when steel column designs can use
The spacing of two layers of claustra, post bottom can use first layer claustra height.The check should meet《Code for design of steel structures》(GB50017-
2003) requirement, will not be repeated here.
The gas chamber manufactured after completing the aforementioned steps, that is, it can ensure that the security requirement and work of gas chamber structural body
The normal use requirement of plug, these are only the preferred embodiments of the disclosure, but protection scope of the present invention is not limited to
In this, any one skilled in the art the invention discloses technical scope in, it is contemplated that change or replacement are all
It should be included within the scope of the present invention.
Claims (3)
1. the control method that a kind of dry gas holder manufactures and designs, this method comprise the following steps：
Step 1：The FEM model of gas chamber to be manufactured is established, designs gas chamber structural parameters；
Step 2：Set gas chamber load-up condition；
Step 3, maximum horizontal displacement and minimum horizontal displacement at each plane column node of gas chamber are obtained under load-up condition, and
Calculate the difference of the maximum horizontal displacement and minimum horizontal displacement；
Step 4, the difference of the maximum horizontal displacement and minimum horizontal displacement is allowed to become with what piston sealing device can be adjusted
Shape amount compares, if the difference is more than the permission deflection, return to step 1, if the difference allows to become less than described
Shape amount, continue step 5；
Step 5, the deformation plane of the gas chamber under load-up condition is obtained, if gas chamber plane deformation is in ellipse under load-up condition
Shape, return to step 1, if plane deformation is rounded, continue step 6；
Step 6, obtain at the gas chamber piston under load-up condition under the outer maximum deformation quantity of column nodal plane or gas chamber piston
Idler positions maximum deformation quantity；
Step 7, by the maximum deformation quantity in step 6 compared with piston lower tumbler position height, if the maximum distortion
Amount is more than the 1/1000 of piston lower tumbler position height, return to step 1, if the maximum deformation quantity is no more than piston lower tumbler
The 1/1000 of position height, continue step 8；
Step 8, the Stability Checking Calculation for carrying out gas chamber steel column is checked.
2. the method as described in claim 1, it is characterised in that：It is straight to include setting gas chamber for gas chamber structural parameters in step 1
Footpath, sheet metal thickness, column size and number, ribbed stiffener size and location.
3. the method as described in claim 1, it is characterised in that：Gas chamber load-up condition is according to the actual work of gas chamber in step 2
Condition condition is set.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510631932.0A CN105320069B (en) | 2015-09-29 | 2015-09-29 | The control method that a kind of dry gas holder manufactures and designs |
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|---|---|---|---|
| CN201510631932.0A CN105320069B (en) | 2015-09-29 | 2015-09-29 | The control method that a kind of dry gas holder manufactures and designs |
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| CN105320069A CN105320069A (en) | 2016-02-10 |
| CN105320069B true CN105320069B (en) | 2017-12-29 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004338445A (en) * | 2003-05-13 | 2004-12-02 | Ishikawajima Harima Heavy Ind Co Ltd | Mechanical model forming method of sloshing in tear drop type tank in consideration of coriolis acceleration |
| JP2012173071A (en) * | 2011-02-18 | 2012-09-10 | Nippon Steel Corp | Cracking evaluation method and design method for concrete wall part of concrete water tank structure |
| CN102704605A (en) * | 2012-04-04 | 2012-10-03 | 中国航空规划建设发展有限公司 | Process for optimizing ductility of static force in multilayer cantilever steel structure |
| CN102735073A (en) * | 2012-07-13 | 2012-10-17 | 中国能源建设集团广东省电力设计研究院 | Optimized arrangement method of horizontal rigid ring of natural ventilating cooling tower |
| CN103942356A (en) * | 2013-12-23 | 2014-07-23 | 天津市振津工程设计咨询有限公司 | Verification method of skid-mounted chemical plant framework structure |
| CN204437675U (en) * | 2015-01-08 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Steel reinforced concrete column gas cabinet |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6612824B2 (en) * | 1999-03-29 | 2003-09-02 | Minolta Co., Ltd. | Three-dimensional object molding apparatus |
-
2015
- 2015-09-29 CN CN201510631932.0A patent/CN105320069B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004338445A (en) * | 2003-05-13 | 2004-12-02 | Ishikawajima Harima Heavy Ind Co Ltd | Mechanical model forming method of sloshing in tear drop type tank in consideration of coriolis acceleration |
| JP2012173071A (en) * | 2011-02-18 | 2012-09-10 | Nippon Steel Corp | Cracking evaluation method and design method for concrete wall part of concrete water tank structure |
| CN102704605A (en) * | 2012-04-04 | 2012-10-03 | 中国航空规划建设发展有限公司 | Process for optimizing ductility of static force in multilayer cantilever steel structure |
| CN102735073A (en) * | 2012-07-13 | 2012-10-17 | 中国能源建设集团广东省电力设计研究院 | Optimized arrangement method of horizontal rigid ring of natural ventilating cooling tower |
| CN103942356A (en) * | 2013-12-23 | 2014-07-23 | 天津市振津工程设计咨询有限公司 | Verification method of skid-mounted chemical plant framework structure |
| CN204437675U (en) * | 2015-01-08 | 2015-07-01 | 中冶赛迪工程技术股份有限公司 | Steel reinforced concrete column gas cabinet |
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| CN105320069A (en) | 2016-02-10 |
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