CN105445050A - Caisson-type underwater separator high pressure cabin testing device and production method thereof - Google Patents
Caisson-type underwater separator high pressure cabin testing device and production method thereof Download PDFInfo
- Publication number
- CN105445050A CN105445050A CN201510952106.6A CN201510952106A CN105445050A CN 105445050 A CN105445050 A CN 105445050A CN 201510952106 A CN201510952106 A CN 201510952106A CN 105445050 A CN105445050 A CN 105445050A
- Authority
- CN
- China
- Prior art keywords
- hyperbaric chamber
- cabin body
- dimensional model
- sealing connecting
- top flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M99/00—Subject matter not provided for in other groups of this subclass
- G01M99/005—Testing of complete machines, e.g. washing-machines or mobile phones
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/17—Mechanical parametric or variational design
Abstract
The invention discloses a caisson-type underwater separator high pressure cabin testing device and a production method thereof. The caisson-type underwater separator high pressure cabin testing device comprises an upper caisson, a lower caisson, a high pressure cabin body disposed in an underground deep well, and a high pressure cabin sealing connecting head disposed on the ground. The high pressure cabin and the high pressure cabin sealing connecting head are connected together by a high pressure cabin top flange. The outer wall of the upper caisson is provided with the high pressure cabin sealing connecting head in a sleeved manner, and the high pressure cabin sealing connecting head is integratedly connected with the lower caisson in a welded manner. The high pressure cabin sealing connecting head and the high pressure cabin top flange are connected together by the bolt in a sealed manner. The high pressure cabin top flange is sealedly connected with the high pressure cabin body in a welded manner. The lower caisson is vertically disposed in the high pressure cabin body, and the upper part of the high pressure cabin body is respectively provided with a pressure gauge interface and a water injection pressurizing interface. The production method comprises the technological parameter setting step, the modeling step, the analyzing step, and the drawing design step, the welding step, and the forging completing step. The production method has advantages of good adaptability, good structure sealing performance, safety, and reliability.
Description
Technical field
The present invention relates to a kind of caisson type underwater separator hyperbaric chamber test unit and manufacture method thereof.
Background technology
" 2000 meters of depth of waters compact separator gordian technique and model machine under water " is one of problem of National 863 major project " deep water hydrocarbon resources exploration technique and equipment ".Affiliated overall project objectives is: focus development deep water hydrocarbon resources exploration technique and equipment, solve restriction China deep-sea oil gas exploratory development technique and equipment exploitation bottleneck problem, grasp deepwater petroleum exploration exploitation core technology that have China's characteristic, that have independent intellectual property right, develop a collection of Grand Equipments, break foreign technology monopolization, realize China's deepwater petroleum exploration development technique great-leap-forward development.According to above overall goal, the problem task that Ningbo Veritas-msi Multiphase Flow Equipment Co., Ltd bears is: exploitation manufacture is a set of is applicable to 2000 meters of deep-seas caisson type underwater separator hyperbaric chamber test unit under water.
In the exploitation of deep water subsea fields, standpipe can produce very large back pressure, if do not eliminate this back pressure, then can have a strong impact on oily well yield; So, design good underwater separator device and not only can significantly improve oil well output, the effect of flow assurance can also be played.Underwater separator caisson is made up of separation vessel and caisson, due to height under water in the environmental quality of external pressure and physical dimension restriction, require to carry out hyperbaric chamber (external pressure) test respectively to separation vessel caisson top and caisson bottom respectively, caisson aerial part height about 6 meters, under ground portion height about 46 meters, at present, also there is not the hyperbaric chamber test unit meeting above-mentioned underwater separator caisson external pressure test requirement both at home and abroad.
Summary of the invention
It is simple that technical matters to be solved by this invention is to provide a kind of structure, durable in use, need not keep in repair; Compact conformation, floor area is little, realizes the test of caisson hyperbaric chamber fast; Adaptability is good; The caisson type underwater separator hyperbaric chamber test unit that sealing structure is good, safe and reliable and manufacture method thereof.
The present invention solves the problems of the technologies described above adopted technical scheme: a kind of caisson type underwater separator hyperbaric chamber test unit, comprise top caisson and bottom caisson, also comprise the hyperbaric chamber cabin body being positioned at Underground Test deep-well, the hyperbaric chamber joint for sealing connecting rest on the ground and the hyperbaric chamber cabin body top flange rest on the ground, described hyperbaric chamber cabin body is connected by described hyperbaric chamber cabin body top flange with described hyperbaric chamber joint for sealing connecting, the outer wall of described top caisson is arranged with described hyperbaric chamber joint for sealing connecting, the top of described hyperbaric chamber joint for sealing connecting is connected by welded with the middle part of described top caisson, the bottom of described hyperbaric chamber joint for sealing connecting is connected by welded with the upper end of described bottom caisson, the lower end surface of described hyperbaric chamber joint for sealing connecting is connected by bolt seal with described hyperbaric chamber cabin body top flange, described hyperbaric chamber cabin body top flange is connected by welded seal with described hyperbaric chamber cabin body, described bottom caisson is longitudinally arranged in described hyperbaric chamber cabin body, the top of described hyperbaric chamber cabin body is respectively arranged with pressure gauge connection and water filling pressurization interface.
Described hyperbaric chamber cabin body is hollow cylindrical and is circular arc end socket bottom it.
Described hyperbaric chamber joint for sealing connecting comprises top hollow round table parts and bottom hollow cylindrical part, described top hollow round table parts and described bottom hollow cylindrical part coaxially one are connected, the bottom area of described top hollow round table parts is less than the base area of described bottom hollow cylindrical part, and the fringe region of described bottom hollow cylindrical part is connected with described hyperbaric chamber cabin body top flange by described bolt.
Metallic packing ring is provided with between the lower end surface of described hyperbaric chamber joint for sealing connecting and the upper end end face of described hyperbaric chamber cabin body top flange.
Described stud is high-strength studs, and the two ends of described bolt are provided with nut.
The manufacture method of above-mentioned caisson type underwater separator hyperbaric chamber test unit, concrete steps are as follows:
(1) test unit processing parameter setting
A. according to caisson size projected depth, temperature parameter, calculate and determine hyperbaric chamber cabin body interior diameter size, material trademark, strength grade, and the wall thickness of cabin, preset high-pressure cabin body;
B. according to the height of the length determination hyperbaric chamber cabin body of bottom caisson;
C. according to the version of the hyperbaric chamber cabin body interior diameter of design, wall thickness and material trademark design hyperbaric chamber cabin body top flange, seal form, thickness and material trademark;
D. according to the wall thickness of the version of hyperbaric chamber cabin body top flange, seal form and top caisson, version, seal form, the material trademark of material trademark design hyperbaric chamber joint for sealing connecting;
(2) modeling and analysis
The three-dimensional model of the separator high pressure cabin test unit a. utilizing 3 d modeling software foundation step (1) to design, then three-dimensional model is imported in ANSYS finite element analysis software, or the three-dimensional model of the direct separator high pressure cabin test unit that foundation step (1) designs in ANSYS finite element analysis software;
B. in ANSYS finite element analysis software, carry out cell type selection and setting, cell type is selected with intermediate node hexahedral element;
C. in ANSYS finite element analysis software, carry out the setting of material correlation parameter, the major parameter of setting has the elastic modulus of material and the Poisson ratio of material of hyperbaric chamber cabin body, hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting;
D. ANSYS finite element analysis software is utilized to carry out FEM meshing, namely according to the size of three-dimensional model and the requirement of solving precision, in ANSYS finite element analysis software, carry out the setting of sizing grid, after being provided with, three-dimensional model carries out stress and strain model automatically;
E. ANSYS finite element analysis software is utilized to analyze the sealing between the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting, analytic process is: apply interior pressure and external pressure to three-dimensional model, the Statics of Structures module in ANSYS finite element analysis software is utilized to carry out stress analysis, calculate the equivalent stress analysis result obtaining three-dimensional model, Steel Pressure Vessels-analysis and designation standard is adopted to evaluate three-dimensional model equivalent stress, if the plastic yield of the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting is all less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting is the wall thickness under met relevant pressure, if the plastic yield of three-dimensional model hyperbaric chamber cabin body top flange is greater than the stress value of prescribed by standard, increase the wall thickness of three-dimensional model hyperbaric chamber cabin body top flange, or the stress value that the plastic yield of hyperbaric chamber joint for sealing connecting is greater than prescribed by standard then increases the wall thickness of three-dimensional model hyperbaric chamber joint for sealing connecting, again analytical calculation is carried out according to a-d step, until the hyperbaric chamber cabin body top flange of three-dimensional model and the plastic yield value of hyperbaric chamber joint for sealing connecting are all less than or equal to the stress value of prescribed by standard, namely analyzed, sealing between the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting meets the working condition requirement under relevant pressure,
F. ANSYS finite element analysis software is utilized to analyze the hyperbaric chamber cabin body top flange of three-dimensional model and the intensity of hyperbaric chamber joint for sealing connecting, analytic process is: apply interior pressure and external pressure to three-dimensional model, the Statics of Structures module in ANSYS finite element analysis software is utilized to carry out stress analysis, the process of linearization stress sorts is carried out to the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting maximum stress place, according to Steel Pressure Vessels-analysis and designation standard, strength assessment is carried out to three-dimensional model, if the equivalent stress of the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting is all less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting is the wall thickness under met relevant pressure, if the equivalent stress of three-dimensional model hyperbaric chamber cabin body top flange is greater than the stress value of prescribed by standard, increase the wall thickness of three-dimensional model hyperbaric chamber cabin body top flange, or the stress value that the equivalent stress of hyperbaric chamber joint for sealing connecting is greater than prescribed by standard then increases the wall thickness of three-dimensional model hyperbaric chamber joint for sealing connecting, again analytical calculation is carried out according to a-d step, until the hyperbaric chamber cabin body top flange of three-dimensional model and the equivalent stress value of hyperbaric chamber joint for sealing connecting are all less than or equal to the stress value of prescribed by standard, namely analyzed, the hyperbaric chamber cabin body top flange of three-dimensional model and the intensity of hyperbaric chamber joint for sealing connecting are the working condition requirement met under relevant pressure,
G. the stability of ANSYS finite element analysis software to the hyperbaric chamber cabin body of three-dimensional model is utilized to analyze, analytic process is: apply interior pressure or external pressure to three-dimensional model, the process of linearization stress sorts is carried out to the body maximum stress place, hyperbaric chamber cabin of three-dimensional model, and according to Steel Pressure Vessels-analysis and designation standard, strength assessment is carried out to three-dimensional model, if the equivalent stress of the hyperbaric chamber cabin body of three-dimensional model is less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body is the wall thickness under met relevant pressure; If the equivalent stress of three-dimensional model hyperbaric chamber cabin body is greater than the stress value of prescribed by standard, increase the wall thickness of hyperbaric chamber cabin body, again analytical calculation is carried out according to a-d step, until the equivalent stress value of the hyperbaric chamber cabin body of three-dimensional model is less than or equal to the stress value of prescribed by standard, namely analyzed, the stability of the hyperbaric chamber cabin body of three-dimensional model is the working condition requirement met under relevant pressure;
(3) wall thickness of the hyperbaric chamber cabin body of the three-dimensional model obtained according to step (2) analysis, hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting and material, complete the overall layout design of underwater separator hyperbaric chamber test unit, by weld or forging mode completes the manufacture of underwater separator hyperbaric chamber test unit.
Described hyperbaric chamber cabin body is hollow cylindrical and is circular arc end socket bottom it, and the top of described hyperbaric chamber cabin body is respectively arranged with pressure gauge connection and water filling pressurization interface; Described hyperbaric chamber joint for sealing connecting comprises top hollow round table parts and bottom hollow cylindrical part, described top hollow round table parts and described bottom hollow cylindrical part coaxially one are connected, and the bottom area of described top hollow round table parts is less than the base area of described bottom hollow cylindrical part.
The fringe region of described bottom hollow cylindrical part is connected with described hyperbaric chamber cabin body top flange by described bolt, metallic packing ring is provided with between the lower end surface of described hyperbaric chamber joint for sealing connecting and the upper end end face of described hyperbaric chamber cabin body top flange, described stud is high-strength studs, and the two ends of described bolt are provided with nut.
Compared with prior art, the invention has the advantages that: the present invention makes public for the first time a kind of caisson type underwater separator hyperbaric chamber test unit and manufacture method thereof, this device pressurizes through water filling, because the special construction of Special seal connector to ensure that in pressure process in caisson, pressure is normal pressure, caisson top external pressure is also normal pressure, the external pressure that caisson bottom is born is the interior pressure of hyperbaric chamber cabin body, and the numerical value in pressure gauge is the interior pressure value of cabin, high pressure main cabin body.For the external pressure that caisson during 2000 meters of depth of water under water bears in this device fabrication, adopt finite element analysis software ANSYS to carry out hyperbaric chamber cabin body, cabin body top flange, the sealing of Special seal connector, intensive analysis and stability analysis, successfully solve caisson under ground portion hyperbaric chamber (external pressure) test problem.Its advantage is as follows:
1, structure is simple.Device is made up of hyperbaric chamber body top flange, hyperbaric chamber joint for sealing connecting, top caisson, bottom caisson.This device easily manufactures, durable in use, need not keep in repair.
2, compact conformation, floor area is little, realizes the test of caisson hyperbaric chamber fast.
3, adaptability is good.This device cabin body length is 50 meters, and internal diameter 0.5 meter can be suitable for caisson length and be not more than 50 meters, and the caisson that external diameter is not more than all different sizes of 0.5 meter carries out hyperbaric chamber test.
4, sealing structure is good, safe and reliable.Device hyperbaric chamber body is in underground, and in process of the test, danger coefficient is little, more completely.Hermetically-sealed construction adopts the hermetically-sealed construction of similar flange, and this hermetically-sealed construction technology maturation, reliability is high.
5, easy to manufacture, cost is low.Its main part is placed in underground, only has hyperbaric chamber cabin body top flange to be connected with hyperbaric chamber joint for sealing connecting and is placed on ground, easy disassembly, thus easy to manufacture, and cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of caisson type underwater separator hyperbaric chamber test unit of the present invention;
Fig. 2 is specific embodiment two grid cell quality check result figure.
Embodiment
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Specific embodiment one
A kind of caisson type underwater separator hyperbaric chamber test unit, as shown in Figure 1, comprise top caisson 1 and bottom caisson 2, also comprise the hyperbaric chamber cabin body 4 being positioned at Underground Test deep-well 3, the hyperbaric chamber joint for sealing connecting 5 rest on the ground and the hyperbaric chamber cabin body top flange 6 rest on the ground, hyperbaric chamber cabin body 4 is connected by hyperbaric chamber cabin body top flange 6 with hyperbaric chamber joint for sealing connecting 5, the outer wall of top caisson 1 is arranged with hyperbaric chamber joint for sealing connecting 5, the top of hyperbaric chamber joint for sealing connecting 5 is connected by welded with the middle part of top caisson 1, the bottom of hyperbaric chamber joint for sealing connecting 5 is connected by welded with the upper end of bottom caisson 2, lower end surface and the hyperbaric chamber cabin body top flange 6 of hyperbaric chamber joint for sealing connecting 5 are tightly connected by bolt 7, hyperbaric chamber cabin body top flange 6 is connected by welded seal with hyperbaric chamber cabin body 4, bottom caisson 2 is longitudinally arranged in hyperbaric chamber cabin body 4, the top of hyperbaric chamber cabin body 4 is respectively arranged with pressure gauge connection 8 and water filling pressurization interface 9.
In this particular embodiment, hyperbaric chamber cabin body 4 is hollow cylindrical and is circular arc end socket bottom it.Hyperbaric chamber joint for sealing connecting 5 comprises top hollow round table parts 10 and bottom hollow cylindrical part 11,10, hollow round table portion, top is connected with the coaxial one of bottom hollow cylindrical part 11, the bottom area of top hollow round table parts 10 is less than the base area of bottom hollow cylindrical part 11, and the fringe region of bottom hollow cylindrical part 11 is connected with hyperbaric chamber cabin body top flange 6 by bolt 7.Metallic packing ring 12 is provided with between the lower end surface of hyperbaric chamber joint for sealing connecting 5 and the upper end end face of hyperbaric chamber cabin body top flange 6.Stud 7 is high-strength studs, and the two ends of bolt 7 are provided with nut 13.
After caisson type underwater separator caisson hyperbaric chamber test new device presses Fig. 1 assembling, carry out water filling pressurization, because the special construction of hyperbaric chamber joint for sealing connecting 5 to ensure that in pressure process in caisson, pressure is normal pressure, caisson top external pressure is also normal pressure, the external pressure that caisson bottom is born is the interior pressure of hyperbaric chamber cabin body 4, and the numerical value in pressure gauge is the interior pressure value of cabin, high pressure main cabin body 4.
Specific embodiment two
A manufacture method for caisson type underwater separator hyperbaric chamber test unit, the structure of this caisson type underwater separator hyperbaric chamber test unit is as shown in Fig. 1 and above-mentioned concrete enforcement one, and its manufacture method concrete steps are as follows:
(1) test unit processing parameter setting
A. according to caisson size projected depth, temperature parameter, calculate and determine hyperbaric chamber cabin body 4 interior diameter size, material trademark, strength grade, and the wall thickness of cabin, preset high-pressure cabin body 4;
B. according to the height of the length determination hyperbaric chamber cabin body 4 of bottom caisson;
C. according to the version of hyperbaric chamber cabin body 4 interior diameter of design, wall thickness and material trademark design hyperbaric chamber cabin body top flange 6, seal form, thickness and material trademark;
D. according to the wall thickness of the version of hyperbaric chamber cabin body top flange 6, seal form and top caisson, version, seal form, the material trademark of material trademark design hyperbaric chamber joint for sealing connecting 5;
(2) modeling and analysis
The three-dimensional model of the separator high pressure cabin test unit a. utilizing 3 d modeling software foundation step (1) to design, then three-dimensional model is imported in ANSYS finite element analysis software, or the three-dimensional model of the direct separator high pressure cabin test unit that foundation step (1) designs in ANSYS finite element analysis software;
B. in ANSYS finite element analysis software, carry out cell type selection and setting, cell type is selected with intermediate node hexahedral element;
C. in ANSYS finite element analysis software, carry out the setting of material correlation parameter, the major parameter of setting has the elastic modulus of material and the Poisson ratio of material of hyperbaric chamber cabin body 4, hyperbaric chamber cabin body top flange 6 and hyperbaric chamber joint for sealing connecting 5;
D. ANSYS finite element analysis software is utilized to carry out FEM meshing, namely according to the size of three-dimensional model and the requirement of solving precision, in ANSYS finite element analysis software, carry out the setting of sizing grid, after being provided with, three-dimensional model carries out stress and strain model automatically;
Such as stress and strain model adopts 20 node hexahedron solid elements to be that main grid technology carries out stress and strain model to three-dimensional model, and namely carry out discrete processes to model, set up finite element analysis model, grid cell size is set to 15mm; Grid cell quality check: statistics after stress and strain model, unit has 277794, and node has 988639.The inspection of mesh quality adopts element quality checking tool, and as shown in Figure 2, in figure, horizontal ordinate is by 0 to 1 for element quality check result, and mesh quality is by badly improving, and weighing criteria is the side ratio of grid; In figure, ordinate is the quantity of grid, and the quantity of grid is directly proportional to rectangular strip, and the value in Elementquality chart, more close to 1, illustrates that mesh quality is better.From mesh quality Fig. 2, this mesh quality is fine, and most of grid is all the hexahedral grid of rule, and the distribution of number of grid is near coefficient 1;
E. ANSYS finite element analysis software is utilized to analyze the sealing between the hyperbaric chamber cabin body top flange 6 of three-dimensional model and hyperbaric chamber joint for sealing connecting 5, analytic process is: apply interior pressure and external pressure to three-dimensional model, the Statics of Structures module in ANSYS finite element analysis software is utilized to carry out stress analysis, calculate the equivalent stress analysis result obtaining three-dimensional model, Steel Pressure Vessels-analysis and designation standard is adopted to evaluate three-dimensional model equivalent stress, if the hyperbaric chamber cabin body top flange of three-dimensional model 6 is all less than or equal to the stress value of prescribed by standard with the plastic yield of hyperbaric chamber joint for sealing connecting 5, then hyperbaric chamber cabin body top flange 6 is the wall thickness under met relevant pressure with the wall thickness of hyperbaric chamber joint for sealing connecting 5, if the plastic yield of three-dimensional model hyperbaric chamber cabin body top flange 6 is greater than the stress value of prescribed by standard, increase the wall thickness of three-dimensional model hyperbaric chamber cabin body top flange 6, or the stress value that the plastic yield of hyperbaric chamber joint for sealing connecting 5 is greater than prescribed by standard then increases the wall thickness of three-dimensional model hyperbaric chamber joint for sealing connecting 5, again analytical calculation is carried out according to a-d step, until the hyperbaric chamber cabin body top flange 6 of three-dimensional model and the plastic yield value of hyperbaric chamber joint for sealing connecting 5 are all less than or equal to the stress value of prescribed by standard, namely analyzed, sealing between the hyperbaric chamber cabin body top flange 6 of three-dimensional model and hyperbaric chamber joint for sealing connecting 5 meets the working condition requirement under relevant pressure,
F. ANSYS finite element analysis software is utilized to analyze the hyperbaric chamber cabin body top flange 6 of three-dimensional model and the intensity of hyperbaric chamber joint for sealing connecting 5, analytic process is: apply interior pressure and external pressure to three-dimensional model, the Statics of Structures module in ANSYS finite element analysis software is utilized to carry out stress analysis, the process of linearization stress sorts is carried out to the hyperbaric chamber cabin body top flange 6 of three-dimensional model and hyperbaric chamber joint for sealing connecting 5 maximum stress place, according to Steel Pressure Vessels-analysis and designation standard, strength assessment is carried out to three-dimensional model, if the hyperbaric chamber cabin body top flange of three-dimensional model 6 is all less than or equal to the stress value of prescribed by standard with the equivalent stress of hyperbaric chamber joint for sealing connecting 5, then hyperbaric chamber cabin body top flange 6 is the wall thickness under met relevant pressure with the wall thickness of hyperbaric chamber joint for sealing connecting 5, if the equivalent stress of three-dimensional model hyperbaric chamber cabin body top flange 6 is greater than the stress value of prescribed by standard, increase the wall thickness of three-dimensional model hyperbaric chamber cabin body top flange 6, or the stress value that the equivalent stress of hyperbaric chamber joint for sealing connecting 5 is greater than prescribed by standard then increases the wall thickness of three-dimensional model hyperbaric chamber joint for sealing connecting 5, again analytical calculation is carried out according to a-d step, until the hyperbaric chamber cabin body top flange 6 of three-dimensional model and the equivalent stress value of hyperbaric chamber joint for sealing connecting 5 are all less than or equal to the stress value of prescribed by standard, namely analyzed, hyperbaric chamber cabin body top flange 6 and the intensity of hyperbaric chamber joint for sealing connecting 5 of three-dimensional model are meet the working condition requirement under relevant pressure,
G. the stability of ANSYS finite element analysis software to the hyperbaric chamber cabin body 4 of three-dimensional model is utilized to analyze, analytic process is: apply interior pressure or external pressure to three-dimensional model, the process of linearization stress sorts is carried out to the body 4 maximum stress place, hyperbaric chamber cabin of three-dimensional model, and according to Steel Pressure Vessels-analysis and designation standard, strength assessment is carried out to three-dimensional model, if the equivalent stress of the hyperbaric chamber cabin body 4 of three-dimensional model is less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body 4 is the wall thickness under met relevant pressure; If the equivalent stress of three-dimensional model hyperbaric chamber cabin body 4 is greater than the stress value of prescribed by standard, increase the wall thickness of hyperbaric chamber cabin body 4, again analytical calculation is carried out according to a-d step, until the equivalent stress value of the hyperbaric chamber cabin body 4 of three-dimensional model is less than or equal to the stress value of prescribed by standard, namely analyzed, the stability of the hyperbaric chamber cabin body 4 of three-dimensional model is the working condition requirement met under relevant pressure;
(3) wall thickness of the hyperbaric chamber cabin body 4 of the three-dimensional model obtained according to step (2) analysis, hyperbaric chamber cabin body top flange 6 and hyperbaric chamber joint for sealing connecting 5 and material, complete the overall layout design of underwater separator hyperbaric chamber test unit, by weld or forging mode completes the manufacture of underwater separator hyperbaric chamber test unit.
In this particular embodiment, hyperbaric chamber cabin body 4 is hollow cylindrical and is circular arc end socket bottom it, and the top of hyperbaric chamber cabin body 4 is respectively arranged with pressure gauge connection 8 and water filling pressurization interface 9.Hyperbaric chamber joint for sealing connecting 5 comprises top hollow round table parts 10 and bottom hollow cylindrical part 11,10, hollow round table portion, top is connected with the coaxial one of bottom hollow cylindrical part 11, the bottom area of top hollow round table parts 10 is less than the base area of bottom hollow cylindrical part 11, and the fringe region of bottom hollow cylindrical part 11 is connected with hyperbaric chamber cabin body top flange 6 by bolt 7.Metallic packing ring 12 is provided with between the lower end surface of hyperbaric chamber joint for sealing connecting 5 and the upper end end face of hyperbaric chamber cabin body top flange 6.Stud 7 is high-strength studs, and the two ends of bolt 7 are provided with nut 13.
After caisson type underwater separator caisson hyperbaric chamber test new device presses Fig. 1 assembling, carry out water filling pressurization, because the special construction of hyperbaric chamber joint for sealing connecting 5 to ensure that in pressure process in caisson, pressure is normal pressure, caisson top external pressure is also normal pressure, the external pressure that caisson bottom is born is the interior pressure of hyperbaric chamber cabin body 4, and the numerical value in pressure gauge is the interior pressure value of cabin, high pressure main cabin body 4.
Above-mentioned explanation is not limitation of the present invention, and the present invention is also not limited to above-mentioned citing.Those skilled in the art are in essential scope of the present invention, and the change made, remodeling, interpolation or replacement, also should belong to protection scope of the present invention.
Claims (8)
1. a caisson type underwater separator hyperbaric chamber test unit, comprise top caisson and bottom caisson, it is characterized in that: also comprise the hyperbaric chamber cabin body being positioned at Underground Test deep-well, the hyperbaric chamber joint for sealing connecting rest on the ground and the hyperbaric chamber cabin body top flange rest on the ground, described hyperbaric chamber cabin body is connected by described hyperbaric chamber cabin body top flange with described hyperbaric chamber joint for sealing connecting, the sheathed described hyperbaric chamber joint for sealing connecting of outer wall of described top caisson, the top of described hyperbaric chamber joint for sealing connecting is connected by welded with the middle part of described top caisson, the bottom of described hyperbaric chamber joint for sealing connecting is connected by welded with the upper end of described bottom caisson, the lower end surface of described hyperbaric chamber joint for sealing connecting is connected by bolt seal with described hyperbaric chamber cabin body top flange, described hyperbaric chamber cabin body top flange is connected by welded seal with described hyperbaric chamber cabin body, described bottom caisson is longitudinally arranged in described hyperbaric chamber cabin body, the top of described hyperbaric chamber cabin body is respectively arranged with pressure gauge connection and water filling pressurization interface.
2. a kind of caisson type underwater separator hyperbaric chamber test unit according to claim 1, is characterized in that: described hyperbaric chamber cabin body is hollow cylindrical and is circular arc end socket bottom it.
3. a kind of caisson type underwater separator hyperbaric chamber test unit according to claim 1, it is characterized in that: described hyperbaric chamber joint for sealing connecting comprises top hollow round table parts and bottom hollow cylindrical part, described top hollow round table parts and described bottom hollow cylindrical part coaxially one are connected, the bottom area of described top hollow round table parts is less than the base area of described bottom hollow cylindrical part, and the fringe region of described bottom hollow cylindrical part is connected with described hyperbaric chamber cabin body top flange by described bolt.
4. a kind of caisson type underwater separator hyperbaric chamber test unit according to claim 1, is characterized in that: be provided with metallic packing ring between the lower end surface of described hyperbaric chamber joint for sealing connecting and the upper end end face of described hyperbaric chamber cabin body top flange.
5. a kind of caisson type underwater separator hyperbaric chamber test unit according to claim 1, is characterized in that: described stud is high-strength studs, and the two ends of described bolt are provided with nut.
6. a manufacture method for caisson type underwater separator hyperbaric chamber test unit according to claim 1, is characterized in that concrete steps are as follows:
(1) test unit processing parameter setting
A. according to caisson size projected depth, temperature parameter, calculate and determine hyperbaric chamber cabin body interior diameter size, material trademark, strength grade, and the wall thickness of cabin, preset high-pressure cabin body;
B. according to the height of the length determination hyperbaric chamber cabin body of bottom caisson;
C. according to the version of the hyperbaric chamber cabin body interior diameter of design, wall thickness and material trademark design hyperbaric chamber cabin body top flange, seal form, thickness and material trademark;
D. according to the wall thickness of the version of hyperbaric chamber cabin body top flange, seal form and top caisson, version, seal form, the material trademark of material trademark design hyperbaric chamber joint for sealing connecting;
(2) modeling and analysis
The three-dimensional model of the separator high pressure cabin test unit a. utilizing 3 d modeling software foundation step (1) to design, then three-dimensional model is imported in ANSYS finite element analysis software, or the three-dimensional model of the direct separator high pressure cabin test unit that foundation step (1) designs in ANSYS finite element analysis software;
B. in ANSYS finite element analysis software, carry out cell type selection and setting, cell type is selected with intermediate node hexahedral element;
C. in ANSYS finite element analysis software, carry out the setting of material correlation parameter, the major parameter of setting has the elastic modulus of material and the Poisson ratio of material of hyperbaric chamber cabin body, hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting;
D. ANSYS finite element analysis software is utilized to carry out FEM meshing, namely according to the size of three-dimensional model and the requirement of solving precision, in ANSYS finite element analysis software, carry out the setting of sizing grid, after being provided with, three-dimensional model carries out stress and strain model automatically;
E. ANSYS finite element analysis software is utilized to analyze the sealing between the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting, analytic process is: apply interior pressure and external pressure to three-dimensional model, the Statics of Structures module in ANSYS finite element analysis software is utilized to carry out stress analysis, calculate the equivalent stress analysis result obtaining three-dimensional model, Steel Pressure Vessels-analysis and designation standard is adopted to evaluate three-dimensional model equivalent stress, if the plastic yield of the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting is all less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting is the wall thickness under met relevant pressure, if the plastic yield of three-dimensional model hyperbaric chamber cabin body top flange is greater than the stress value of prescribed by standard, increase the wall thickness of three-dimensional model hyperbaric chamber cabin body top flange, or the stress value that the plastic yield of hyperbaric chamber joint for sealing connecting is greater than prescribed by standard then increases the wall thickness of three-dimensional model hyperbaric chamber joint for sealing connecting, again analytical calculation is carried out according to a-d step, until the hyperbaric chamber cabin body top flange of three-dimensional model and the plastic yield value of hyperbaric chamber joint for sealing connecting are all less than or equal to the stress value of prescribed by standard, namely analyzed, sealing between the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting meets the working condition requirement under relevant pressure,
F. ANSYS finite element analysis software is utilized to analyze the hyperbaric chamber cabin body top flange of three-dimensional model and the intensity of hyperbaric chamber joint for sealing connecting, analytic process is: apply interior pressure and external pressure to three-dimensional model, the Statics of Structures module in ANSYS finite element analysis software is utilized to carry out stress analysis, the process of linearization stress sorts is carried out to the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting maximum stress place, according to Steel Pressure Vessels-analysis and designation standard, strength assessment is carried out to three-dimensional model, if the equivalent stress of the hyperbaric chamber cabin body top flange of three-dimensional model and hyperbaric chamber joint for sealing connecting is all less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting is the wall thickness under met relevant pressure, if the equivalent stress of three-dimensional model hyperbaric chamber cabin body top flange is greater than the stress value of prescribed by standard, increase the wall thickness of three-dimensional model hyperbaric chamber cabin body top flange, or the stress value that the equivalent stress of hyperbaric chamber joint for sealing connecting is greater than prescribed by standard then increases the wall thickness of three-dimensional model hyperbaric chamber joint for sealing connecting, again analytical calculation is carried out according to a-d step, until the hyperbaric chamber cabin body top flange of three-dimensional model and the equivalent stress value of hyperbaric chamber joint for sealing connecting are all less than or equal to the stress value of prescribed by standard, namely analyzed, the hyperbaric chamber cabin body top flange of three-dimensional model and the intensity of hyperbaric chamber joint for sealing connecting are the working condition requirement met under relevant pressure,
G. the stability of ANSYS finite element analysis software to the hyperbaric chamber cabin body of three-dimensional model is utilized to analyze, analytic process is: apply interior pressure or external pressure to three-dimensional model, the process of linearization stress sorts is carried out to the body maximum stress place, hyperbaric chamber cabin of three-dimensional model, and according to Steel Pressure Vessels-analysis and designation standard, strength assessment is carried out to three-dimensional model, if the equivalent stress of the hyperbaric chamber cabin body of three-dimensional model is less than or equal to the stress value of prescribed by standard, then the wall thickness of hyperbaric chamber cabin body is the wall thickness under met relevant pressure; If the equivalent stress of three-dimensional model hyperbaric chamber cabin body is greater than the stress value of prescribed by standard, increase the wall thickness of hyperbaric chamber cabin body, again analytical calculation is carried out according to a-d step, until the equivalent stress value of the hyperbaric chamber cabin body of three-dimensional model is less than or equal to the stress value of prescribed by standard, namely analyzed, the stability of the hyperbaric chamber cabin body of three-dimensional model is the working condition requirement met under relevant pressure;
(3) wall thickness of the hyperbaric chamber cabin body of the three-dimensional model obtained according to step (2) analysis, hyperbaric chamber cabin body top flange and hyperbaric chamber joint for sealing connecting and material, complete the overall layout design of underwater separator hyperbaric chamber test unit, by weld or forging mode completes the manufacture of underwater separator hyperbaric chamber test unit.
7. the manufacture method of a kind of caisson type underwater separator hyperbaric chamber test unit according to claim 6, it is characterized in that: described hyperbaric chamber cabin body is hollow cylindrical and is circular arc end socket bottom it, the top of described hyperbaric chamber cabin body is respectively arranged with pressure gauge connection and water filling pressurization interface; Described hyperbaric chamber joint for sealing connecting comprises top hollow round table parts and bottom hollow cylindrical part, described top hollow round table parts and described bottom hollow cylindrical part coaxially one are connected, and the bottom area of described top hollow round table parts is less than the base area of described bottom hollow cylindrical part.
8. the manufacture method of a kind of caisson type underwater separator hyperbaric chamber test unit according to claim 6, it is characterized in that: the fringe region of described bottom hollow cylindrical part is connected with described hyperbaric chamber cabin body top flange by described bolt, metallic packing ring is provided with between the lower end surface of described hyperbaric chamber joint for sealing connecting and the upper end end face of described hyperbaric chamber cabin body top flange, described stud is high-strength studs, and the two ends of described bolt are provided with nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952106.6A CN105445050B (en) | 2015-12-17 | 2015-12-17 | A kind of caisson type underwater separator hyperbaric chamber experimental rig and its manufacture method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952106.6A CN105445050B (en) | 2015-12-17 | 2015-12-17 | A kind of caisson type underwater separator hyperbaric chamber experimental rig and its manufacture method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105445050A true CN105445050A (en) | 2016-03-30 |
| CN105445050B CN105445050B (en) | 2018-02-09 |
Family
ID=55555510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510952106.6A Active CN105445050B (en) | 2015-12-17 | 2015-12-17 | A kind of caisson type underwater separator hyperbaric chamber experimental rig and its manufacture method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105445050B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107895098A (en) * | 2017-12-29 | 2018-04-10 | 上海理工大学 | A kind of parabola circular arc end enclosure structure Optimization Design |
| CN108152142A (en) * | 2017-12-18 | 2018-06-12 | 合肥海川石化设备有限公司 | A kind of deep submersible electric pump motor water pressure test tank |
| CN108324471A (en) * | 2018-01-23 | 2018-07-27 | 西南医科大学附属医院 | hyperbaric oxygen chamber |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900433A (en) * | 1987-03-26 | 1990-02-13 | The British Petroleum Company P.L.C. | Vertical oil separator |
| WO2010077822A2 (en) * | 2008-12-15 | 2010-07-08 | Chevron U.S.A. Inc. | System and method for slug control |
| CN203499666U (en) * | 2013-09-25 | 2014-03-26 | 中国海洋石油总公司 | Caisson type underwater gas-liquid separator |
| CN103926099A (en) * | 2013-04-26 | 2014-07-16 | 中国船舶重工集团公司第七○二研究所 | Deep sea ultrahigh pressure environmental simulation and detection device |
| CN104453838A (en) * | 2013-09-25 | 2015-03-25 | 中国海洋石油总公司 | Caisson type underwater gas-liquid separator |
| CN104568480A (en) * | 2014-11-27 | 2015-04-29 | 航宇救生装备有限公司 | Pressure simulating and testing device |
| CN205483607U (en) * | 2015-12-17 | 2016-08-17 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Caisson type is separator hyperbaric chamber test device under water |
-
2015
- 2015-12-17 CN CN201510952106.6A patent/CN105445050B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4900433A (en) * | 1987-03-26 | 1990-02-13 | The British Petroleum Company P.L.C. | Vertical oil separator |
| WO2010077822A2 (en) * | 2008-12-15 | 2010-07-08 | Chevron U.S.A. Inc. | System and method for slug control |
| CN103926099A (en) * | 2013-04-26 | 2014-07-16 | 中国船舶重工集团公司第七○二研究所 | Deep sea ultrahigh pressure environmental simulation and detection device |
| CN203499666U (en) * | 2013-09-25 | 2014-03-26 | 中国海洋石油总公司 | Caisson type underwater gas-liquid separator |
| CN104453838A (en) * | 2013-09-25 | 2015-03-25 | 中国海洋石油总公司 | Caisson type underwater gas-liquid separator |
| CN104568480A (en) * | 2014-11-27 | 2015-04-29 | 航宇救生装备有限公司 | Pressure simulating and testing device |
| CN205483607U (en) * | 2015-12-17 | 2016-08-17 | 宁波威瑞泰默赛多相流仪器设备有限公司 | Caisson type is separator hyperbaric chamber test device under water |
Non-Patent Citations (2)
| Title |
|---|
| 李锐锋 等: "海洋油气开发用水下紧凑型多相分离技术", 《石油机械》 * |
| 梅洛洛 等: "深水多相分离技术研究进展", 《石油矿场机械》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108152142A (en) * | 2017-12-18 | 2018-06-12 | 合肥海川石化设备有限公司 | A kind of deep submersible electric pump motor water pressure test tank |
| CN107895098A (en) * | 2017-12-29 | 2018-04-10 | 上海理工大学 | A kind of parabola circular arc end enclosure structure Optimization Design |
| CN107895098B (en) * | 2017-12-29 | 2021-03-26 | 上海理工大学 | Optimization design method for parabolic-arc-shaped end socket structure |
| CN108324471A (en) * | 2018-01-23 | 2018-07-27 | 西南医科大学附属医院 | hyperbaric oxygen chamber |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105445050B (en) | 2018-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108361023B (en) | Method for evaluating failure strength of well cementation primary and secondary cementing surfaces under dynamic load | |
| CN101725345B (en) | Device for simulating casing-cement sheath damage indoor test under stratum action | |
| CN105443090B (en) | A kind of measurement fills the water the experimental provision and method of influence of the gas injection to oil reservoir development | |
| CN111305796B (en) | Experimental device and method for stability of tubular column in hydrate pilot production process | |
| CN110005407B (en) | Salt cavern gas storage stability evaluation method | |
| CN105445050A (en) | Caisson-type underwater separator high pressure cabin testing device and production method thereof | |
| CN107036737B (en) | A kind of recyclable mining induced stress monitoring probe | |
| CN105675384B (en) | Stability evaluation and layout optimization method for deep anhydrite cavern group in oil storage environment | |
| CN104833775B (en) | The threedimensional model experimental rig of the prominent mud geological disaster of simulation gushing water | |
| CN106777454B (en) | Design method for pipeline crossing slip fault | |
| CN110096824B (en) | Salt cavern oil storage stability evaluation method | |
| Lin et al. | Failure analysis and appropriate design of drill pipe upset transition area | |
| CN105604521B (en) | A kind of multi-functional compression type packer tubling unit experiment device | |
| Li et al. | Simulation and experimental analysis of critical stress regions of deep-water annular blowout preventer | |
| Wang et al. | Multi-dimensional mechanical response of multiple longitudinally aligned dents on pipelines and its effect on pipe integrity | |
| Tang et al. | Study on stress distribution of a subsea Ram BOP body based on simulation and experiment | |
| Šabatka et al. | Structural analysis and design of steel connections using component-based finite element model | |
| CN101517193A (en) | Method of designing blowout preventer seal using finite element analysis | |
| CN104990700B (en) | Explosion valve test device | |
| CN201526318U (en) | Multi-layer drawing-type formation function simulator | |
| CN203022734U (en) | Layered seal examining tester | |
| CN207636225U (en) | Detecting earth stress device in a kind of tunnel | |
| CN115508201A (en) | Fracturing string safety checking method | |
| CN205483607U (en) | Caisson type is separator hyperbaric chamber test device under water | |
| CN104634664A (en) | Welded valve pressure testing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190103 Granted publication date: 20180209 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20210322 Granted publication date: 20180209 |
|
| PD01 | Discharge of preservation of patent | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221221 Address after: 315899 Room 333, Building 3, No. 8 Xingye Avenue, Ningbo Free Trade Zone, Ningbo, Zhejiang Patentee after: Zhejiang manatee Ocean Engineering Co.,Ltd. Address before: No. 2, Caoejiang Road, South Bonded Area, Ningbo, Zhejiang 315800 Patentee before: Veritas-MSI (Ningbo) Co.,Ltd. |
|
| TR01 | Transfer of patent right |