CN104343976A - Pressure vessel material-in/out opening fluidization tubing flange and pressure vessel adopting same - Google Patents
Pressure vessel material-in/out opening fluidization tubing flange and pressure vessel adopting same Download PDFInfo
- Publication number
- CN104343976A CN104343976A CN201410600269.3A CN201410600269A CN104343976A CN 104343976 A CN104343976 A CN 104343976A CN 201410600269 A CN201410600269 A CN 201410600269A CN 104343976 A CN104343976 A CN 104343976A
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- China
- Prior art keywords
- pressurized container
- fluidization
- flange
- conical surface
- adapter flange
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J12/00—Pressure vessels in general
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L41/00—Branching pipes; Joining pipes to walls
- F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of the wall or to the axis of another pipe
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention provides a pressure vessel material-in/out opening fluidization tubing flange and a pressure vessel adopting the same. The tubing flange comprises a flange body, wherein a concave annular step surface is arranged on the flange body, a through hole is formed in the center of the annular step surface, and bolt holes are uniformly distributed along the periphery of the annular step surface; the inner wall surface of the tubing flange is arranged into a conic surface, the upper conic surface above the central line of the through hole adopts a streamlined smooth structure, the tubing flange is abutted and welded with a casing of the pressure vessel, and the butt joint structure of the tubing flange adopts a smooth transition structure. The pressure vessel comprises a barrel body, plugs arranged at the two ends of the barrel body and a material-in/out opening, wherein the material-in/out opening is connected with an opening tubing flange, and the opening tubing flange is the pressure vessel material-in/out opening fluidization tubing flange. The tubing flange can simultaneously endure internal pressure, is fatigue-resistant, does not block materials, is easy to weld and is low in cost, so that the pressure vessel is also fatigue-resistant, the material-in/out opening cannot be blocked by accumulated materials, and the service life of the pressure vessel is prolonged.
Description
Technical field
The application relates to for the various high-temperature high-voltage reaction device in petroleum refining and chemical industry, Coal Chemical Industry, chemical fertilizer industry and other various chemical industry, air-conditioning, air cooling, electric power facility equipment etc. or technical field of heat exchangers, and particularly a kind of exist the pressurized container turnover material opening fluidization adapter flange and pressurized container thereof that loading cycle or operating parameter often fluctuate.
Background technique
Vessel shell there is mouthpiece, different by the difference of the size of container process parameter and adapter function, joint pipe structure.Mouthpiece because pressurized container often operates at high temperature under high pressure, or has circulation repeatable operation, so must have lasting high strength and excellent sealing.
The mouthpiece of traditional pressurized container, only adds wall thickness at one section of the case weld with pressurized container.When specification needed for thick walled tube is not standard measure, adopt the thick walled tube of close specification to process, or adopt forging manufacture.
Traditional pressurized container opening adapter as shown in Figure 1, the housing 1 of pressurized container is had the mouthpiece 3 of heavy wall strengthening segment 2 by fillet weld 4 assembly welding, the housing 1 inwall place near pressurized container in mouthpiece 3 is right-angle structure 5.There is following problem in said structure: one is can only bear interior pressure effect, not endurance; Two is that will gather material, viscous fluid easily blocks because the inwall place of the housing 1 near pressurized container in mouthpiece 3 is a right-angle structure 5.
In addition, have in prior art and the inner walls place near pressurized container in mouthpiece is improved to conical structure, its cone angle is determined by the Self-locking angle of material, material can not be gathered, but this structure is the conical structure of whole circumference, not only decrease the effective metal near the inner walls place of pressurized container in hole, also make to reduce with the effective thickness of conical structure internal surface bottom bolt hole, obviously weaken the intensity of adapter flange, to equipment safety operation potential threat, if make up the intensity of the adapter flange of weakening by improving the strength of materials, not only make to occur Dissimilar Steel Welded Joint between adapter flange and the housing of pressurized container, quality not easily ensures, and there is the physical property difference between two kinds of links and mechanical property difference, be unfavorable for endurance, also add manufacture cost.The easy structure appearance forming surface weakens excessively, and actual stealthy stiffness difference widens, and the disadvantages outweigh the advantages.
Therefore, research and develop a kind of material opening being applied to petrochemical industry reactor can simultaneously taken into account by the cost-effectiveness requirement of the technical requirementss such as interior pressure, endurance, not putty, easily welding and low cost to take over linkage structure between vessel shell there is important engineering significance.
application content
The object of the application is to avoid deficiency of the prior art and provides a kind of pressurized container can simultaneously taken into account by interior pressure, endurance, not putty, easily welding and low cost to pass in and out material mouthpiece fluidization flange and pressurized container thereof.
The object of the application is achieved through the following technical solutions:
providepressurized container turnover material opening fluidization adapter flange, described adapter flange includes flange body, described flange body is provided with the annular table terrace of indent, the center of described annular table terrace offers through hole, described annular table terrace has been uniformly distributed circumferentially bolt hole, the internal face of described adapter flange is conical surface setting and the upper conical surface be positioned at above described through hole center line is fairshaped round and smooth structure, described adapter flange docks assembly welding with the housing of pressurized container, and the docking structure of described adapter flange is rounding off structure.
Wherein, the lower conical surface be positioned at below described through hole center line is made up of tapered portion and fairshaped round and smooth structure division.
Wherein, the edge arc length being arranged in the tapered portion of the lower conical surface below described through hole center line is 1/18 ~ 1/3 of the total arc length in lower conical surface edge.
Wherein, the edge arc length being arranged in the tapered portion of the lower conical surface below described through hole center line is 1/6 ~ 1/3 of the total arc length in lower conical surface edge.
Wherein, the edge arc length being arranged in the tapered portion of the lower conical surface below described through hole center line is 1/6 of the total arc length in lower conical surface edge.
Wherein, the fairshaped round and smooth vibrational power flow being arranged in the lower conical surface below described through hole center line is immediately below described through hole center line and with vertical center line for symmetrical center line.
Wherein, described fairshaped round and smooth structure is arc-shaped, parabolic shape or rounding horn shape.
Wherein, described bolt hole is arranged across horizontal center line and the distribution of vertical center line.
Wherein, the quantity of described bolt hole is the integral multiple of four.
additionally providepressurized container, include cylindrical shell, be arranged at the end socket at cylindrical shell two ends and turnover material opening, described turnover material opening is connected with mouthpiece flange, and wherein, described mouthpiece flange is the pressurized container turnover material opening fluidization adapter flange described in above-mentioned any one.
The beneficial effect of the application: compared with prior art, the internal face of adapter flange is that the conical surface is arranged, and the upper conical surface be positioned at above described through hole center line is fairshaped round and smooth structure, both made the inner walls place near pressurized container round and smooth, stress concentration is fallen, at utmost can retain effective metal again, adapter flange height can suitably be reduced, relax the structural mutation degree between adapter flange and the housing of pressurized container, be conducive to adapter flange and bear fatigue load, bear interior pressure, be simultaneously fairshaped round and smooth structure as the conical surface on the inwall of the adapter flange of turnover material opening, make material produce slight flow-disturbing whirlpool at streamline round and smooth direction change flow direction more easily to pass in and out under effect of inertia, improve material turnover efficiency and do not block import and export, and don't change of flow state sharply can be induced, the strong friction of material and runner can not be caused and wash away, the lower conical surface does not all do round and smooth process, but the lowermost portion conical surface retains conical surface, at utmost retain the stability of its structure, material cannot self-locking at the lowermost portion conical surface simultaneously.The pressurized container of the application makes this pressurized container both endurances owing to adopting above-mentioned adapter flange, and does not gather feed blocking import and export, and the working life of pressurized container is extended.
Accompanying drawing explanation
Utilize accompanying drawing to be described further the application, but the embodiment in accompanying drawing does not form any restriction to the application, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the following drawings.
Fig. 1 is the structural representation of the companion flange in existing conventional art.
Fig. 2 is the structural representation at a visual angle of a kind of pressurized container turnover material opening fluidization adapter flange of the application.
Fig. 3 is the partial structurtes schematic diagram at another visual angle of a kind of pressurized container turnover material opening fluidization adapter flange of the application.
Include in Fig. 1, Fig. 2 and Fig. 3:
The housing 1 of pressurized container, heavy wall strengthening segment 2, mouthpiece 3, fillet weld 4, right-angle structure 5;
The tapered portion 16 of flange body 6, annular table terrace 7, bolt hole 8, through hole 9, the upper conical surface 10, the lower conical surface 11, rounding off 12, through hole center line 13, vertically center line 14, horizontal center line 15, the lower conical surface, docking assembly welding seam 17,
The inner diameter φ of the cylindrical D1 of flange height h, flange body, the cylindrical D2 of transition groove, housing.
Embodiment
With the following Examples the application is described in further detail.
embodiment 1.
Pressurized container turnover material opening fluidization adapter flange, as shown in Figures 2 and 3, line level centered by it, the vertical mounting structure in flange seal face, the housing 1 of described adapter flange and pressurized container stitches 17 weld by docking assembly welding, the docking structure of described adapter flange is rounding off 12, described adapter flange includes flange body 6, described flange body 6 is provided with the annular table terrace 7 of indent, the center of described annular table terrace 7 offers through hole 9, described annular table terrace 7 has been uniformly distributed circumferentially bolt hole 8, the internal face of described adapter flange is that the conical surface is arranged, and the upper conical surface 10 be positioned at above described through hole center line 13 is in fairshaped round and smooth structure.Wherein, mouthpiece flange adopts the mode of docking assembly welding and welding with the housing 1 of pressurized container, the easier soldering tip of the fillet weld compared to existing technology, and checks the quality of weld seam inside by current detection means.Mouthpiece flange can adopt the structure of forging or thick walled tube, and the adapter flange of large gauge size is generally based on forging.Compared with prior art, the internal face of adapter flange is that the conical surface is arranged, and the upper conical surface 10 be positioned at above described through hole center line 13 is in fairshaped round and smooth structure, both made the housing 1 inwall place near pressurized container round and smooth, stress concentration is fallen, at utmost can retain effective metal again, adapter flange height h can suitably be reduced, relax the structural mutation degree between adapter flange and the housing 1 of pressurized container, be conducive to adapter flange and bear fatigue load, bear interior pressure, simultaneously as pass in and out material opening adapter flange inwall on the conical surface 10 be fairshaped round and smooth structure, make material produce slight flow-disturbing whirlpool at streamline round and smooth direction change flow direction more easily to pass in and out under effect of inertia, improve material turnover efficiency and do not block import and export, also material turn sharp is avoided to cause collision crashing or strongly wash away damage inwall, the lower conical surface 11 does not do the stability that round and smooth process at utmost retains its structure.
Separately, adapter flange docks assembly welding seam the cylindrical D2 of round and smooth transition groove 12 of 17 and the difference of the cylindrical D1 of its flange body 6 be 60-100mm.
Concrete, the lower conical surface 11 be positioned at below described through hole center line 13 is made up of tapered portion 16 and fairshaped round and smooth structure division.Retain the conical surface of a part at the lower conical surface 11, make material toward dirty under Gravitative Loads, the conical surface of Self-locking angle need not be all set whole circumference, can not only ensure not gather material, but also saving technique and cost.
Concrete, the edge arc length being arranged in the tapered portion 16 of the lower conical surface 11 below described through hole center line 13 is 1/18 ~ 1/3 of the total arc length in the lower conical surface 11 edge.Retain the conical surface of a part at the lower conical surface 11, make material toward dirty under Gravitative Loads, the conical surface of Self-locking angle need not be all set whole circumference, can not only ensure not gather material, but also saving technique and cost.
Concrete, the edge arc length being arranged in the tapered portion 16 of the lower conical surface 11 below described through hole center line 13 is 1/6 ~ 1/3 of the total arc length in the lower conical surface 11 edge.Retain a fraction of conical surface at the lower conical surface 11, make material toward dirty under Gravitative Loads, the conical surface of Self-locking angle need not be all set whole circumference, can not only ensure not gather material, but also save technique and cost.
Concrete, the edge arc length being arranged in the tapered portion 16 of the lower conical surface 11 below described through hole center line 13 is 1/6 of the total arc length in the lower conical surface 11 edge.Optimal technical solution, makes material toward dirty under Gravitative Loads, need not all arrange the conical surface of Self-locking angle by whole circumference, can not only ensure not gather material, but also save technique and cost.
Concrete, the fairshaped round and smooth vibrational power flow being arranged in the lower conical surface 11 below described through hole center line 13 is immediately below described through hole center line 13 and with vertical center line 14 for symmetrical center line.Uniform force.
Concrete, described fairshaped round and smooth structure is arc-shaped, parabolic shape or rounding horn shape.Can make the housing 1 inwall place near pressurized container round and smooth, stress concentration is fallen, at utmost can retain effective metal again, adapter flange height h can suitably be reduced, relax the structural mutation degree between adapter flange and the housing 1 of pressurized container, be conducive to adapter flange and bear fatigue load, by interior pressure, and not easily gather feed blocking import and export.
Concrete, described bolt hole 8 distributes across horizontal center line 15 and vertical center line 14 and arranges.The bolt hole 8 span centre line be connected with external pipeline is uniform, and entirety improves the force-bearing situation of flange, and endurance increases the service life.
Concrete, the quantity of described bolt hole 8 is the integral multiple of four.Preferably, the quantity of described bolt hole 88 is eight.Improve situation in hand, good stability, be beneficial to the impact of the effect of pressure in tolerance, increase the service life.
The manufacture process of this pressurized container turnover material opening fluidization adapter flange:
(1) by Fig. 2 proposal plan adapter flanged structure size, carry out stress analysis according to pressurized container process parameter to preliminary flanged structure, adjustment O. gracilipes makes stress distribution even, and Checking Fatigue passes through;
(2) select forging, manufacture forging blank, blank is heat-treated, qualified through non-destructive inspection after roughing;
(3) fine finishing adapter flange be the fusiform round and smooth structure of R by template detection radius, but it coordinates all-in-one-piece inner arc surface suitably to leave surplus with the inner diameter φ of housing 1;
(4) bond pads Pipe Flange and housing 1, when the actual inner diameter change of housing 1, the surplus stayed by manual grinding flange, makes it round and smooth consistent with housing 1 inwall;
(5) detect the assembly welding weld seam of adapter flange and housing 1, qualifiedly stitch 17 carry out hidden lino removal to docking assembly welding afterwards.
Described pressurized container turnover material opening fluidization adapter flange is for installing above-mentioned manufacture method gained.
embodiment 2.
A kind of pressurized container, include cylindrical shell, be arranged at the end socket at cylindrical shell two ends and turnover material opening, described turnover material opening is connected with mouthpiece flange, and wherein, described mouthpiece flange is a kind of pressurized container turnover material opening fluidization adapter flange described in embodiment 1.This pressurized container both endurances, and do not gather feed blocking import and export, the working life of pressurized container is extended.
Finally should be noted that; above embodiment is only in order to illustrate the technological scheme of the application; but not the restriction to the application's protection domain; although done to explain to the application with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify to the technological scheme of the application or equivalent replacement, and not depart from essence and the scope of technical scheme.
Claims (10)
1. pressurized container turnover material opening fluidization adapter flange, it is characterized in that: described adapter flange includes flange body, described flange body is provided with the annular table terrace of indent, the center of described annular table terrace offers through hole, described annular table terrace has been uniformly distributed circumferentially bolt hole, the internal face of described adapter flange is conical surface setting and the upper conical surface be positioned at above described through hole center line is fairshaped round and smooth structure, described adapter flange docks assembly welding with the housing of pressurized container, and the docking structure of described adapter flange is rounding off structure.
2. pressurized container turnover material opening fluidization adapter flange according to claim 1, is characterized in that: the lower conical surface be positioned at below described through hole center line is made up of tapered portion and fairshaped round and smooth structure division.
3. pressurized container turnover material opening fluidization adapter flange according to claim 2, is characterized in that: the edge arc length being arranged in the tapered portion of the lower conical surface below described through hole center line is 1/18 ~ 1/3 of the total arc length in lower conical surface edge.
4. pressurized container turnover material opening fluidization adapter flange according to claim 3, is characterized in that: the edge arc length being arranged in the tapered portion of the lower conical surface below described through hole center line is 1/6 ~ 1/3 of the total arc length in lower conical surface edge.
5. pressurized container turnover material opening fluidization adapter flange according to claim 4, is characterized in that: the edge arc length being arranged in the tapered portion of the lower conical surface below described through hole center line is 1/6 of the total arc length in lower conical surface edge.
6. pressurized container as claimed in any of claims 2 to 5 turnover material opening fluidization adapter flange, is characterized in that: the fairshaped round and smooth vibrational power flow being arranged in the lower conical surface below described through hole center line is immediately below described through hole center line and with vertical center line for symmetrical center line.
7. the pressurized container turnover material opening fluidization adapter flange according to claim 1 or 6, is characterized in that: described fairshaped round and smooth structure is arc-shaped, parabolic shape or rounding horn shape.
8. pressurized container turnover material opening fluidization adapter flange according to claim 1, is characterized in that: described bolt hole is arranged across horizontal center line and the distribution of vertical center line.
9. pressurized container turnover material opening fluidization adapter flange according to claim 1, is characterized in that: the quantity of described bolt hole is the integral multiple of four.
10. pressurized container, include cylindrical shell, be arranged at the end socket at cylindrical shell two ends and turnover material opening, described turnover material opening is connected with mouthpiece flange, it is characterized in that: described mouthpiece flange is the pressurized container turnover material opening fluidization adapter flange in claim 1 to 9 described in any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600269.3A CN104343976B (en) | 2014-10-31 | 2014-10-31 | Pressure vessel turnover material opening fluidization adapter flange and pressure vessel thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410600269.3A CN104343976B (en) | 2014-10-31 | 2014-10-31 | Pressure vessel turnover material opening fluidization adapter flange and pressure vessel thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104343976A true CN104343976A (en) | 2015-02-11 |
| CN104343976B CN104343976B (en) | 2016-10-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410600269.3A Active CN104343976B (en) | 2014-10-31 | 2014-10-31 | Pressure vessel turnover material opening fluidization adapter flange and pressure vessel thereof |
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| CN (1) | CN104343976B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697653A (en) * | 2019-11-16 | 2020-01-17 | 中化泉州石化有限公司 | Safety structure for improving reliability of high-temperature collecting furnace tube and operation method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338286A (en) * | 1999-05-28 | 2000-12-08 | Ishikawajima Harima Heavy Ind Co Ltd | Reactor pressure vessel |
| JP2002139593A (en) * | 2000-11-02 | 2002-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Nuclear reactor pressure vessel |
| JP2004085311A (en) * | 2002-08-26 | 2004-03-18 | Babcock Hitachi Kk | Nozzle to be attached to cylindrical object, and reactor pressure vessel equipped with the nozzle |
| CN102345737A (en) * | 2010-07-28 | 2012-02-08 | 清华大学 | Nozzle of pressure vessel |
| CN203162137U (en) * | 2013-03-29 | 2013-08-28 | 中国西电电气股份有限公司 | Leak-proof structure of opening of flange of pressure vessel |
| CN204284426U (en) * | 2014-10-31 | 2015-04-22 | 茂名重力石化机械制造有限公司 | Pressurized container turnover material opening fluidization adapter flange and pressurized container thereof |
-
2014
- 2014-10-31 CN CN201410600269.3A patent/CN104343976B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000338286A (en) * | 1999-05-28 | 2000-12-08 | Ishikawajima Harima Heavy Ind Co Ltd | Reactor pressure vessel |
| JP2002139593A (en) * | 2000-11-02 | 2002-05-17 | Ishikawajima Harima Heavy Ind Co Ltd | Nuclear reactor pressure vessel |
| JP2004085311A (en) * | 2002-08-26 | 2004-03-18 | Babcock Hitachi Kk | Nozzle to be attached to cylindrical object, and reactor pressure vessel equipped with the nozzle |
| CN102345737A (en) * | 2010-07-28 | 2012-02-08 | 清华大学 | Nozzle of pressure vessel |
| CN203162137U (en) * | 2013-03-29 | 2013-08-28 | 中国西电电气股份有限公司 | Leak-proof structure of opening of flange of pressure vessel |
| CN204284426U (en) * | 2014-10-31 | 2015-04-22 | 茂名重力石化机械制造有限公司 | Pressurized container turnover material opening fluidization adapter flange and pressurized container thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110697653A (en) * | 2019-11-16 | 2020-01-17 | 中化泉州石化有限公司 | Safety structure for improving reliability of high-temperature collecting furnace tube and operation method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104343976B (en) | 2016-10-05 |
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Address after: 525024 Guangdong City, Maoming Province Ring West Road, No. 91 Patentee after: Maoming gravity Petrochemical Equipment Co Ltd Address before: 525024 Maoming City, Guangdong Province West Road, Maoming City, the gravity of the Petrochemical Machinery Manufacturing Co., Ltd., Patentee before: The Challenge Petrochemical Machinery Corporation |