CN202393683U - Corrosion hanger device for oil refining pipeline - Google Patents
Corrosion hanger device for oil refining pipeline Download PDFInfo
- Publication number
- CN202393683U CN202393683U CN2011204508289U CN201120450828U CN202393683U CN 202393683 U CN202393683 U CN 202393683U CN 2011204508289 U CN2011204508289 U CN 2011204508289U CN 201120450828 U CN201120450828 U CN 201120450828U CN 202393683 U CN202393683 U CN 202393683U
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- lacing film
- long
- pad
- armed
- flange sleeve
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- Expired - Lifetime
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- 230000007797 corrosion Effects 0.000 title claims abstract description 22
- 238000005260 corrosion Methods 0.000 title claims abstract description 22
- 238000007670 refining Methods 0.000 title claims abstract description 13
- 238000009413 insulation Methods 0.000 claims description 41
- 125000006850 spacer group Chemical group 0.000 claims description 13
- 239000002184 metal Substances 0.000 claims description 3
- 229920000642 polymer Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 30
- 238000011156 evaluation Methods 0.000 abstract description 3
- 230000003014 reinforcing effect Effects 0.000 abstract 4
- 239000003921 oil Substances 0.000 description 13
- 239000004033 plastic Substances 0.000 description 5
- 229920003023 plastic Polymers 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 238000005530 etching Methods 0.000 description 2
- 239000011810 insulating material Substances 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000005504 petroleum refining Methods 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
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Abstract
The utility model provides a corrosion hanger device for an oil refining pipeline, which comprises a flanging sleeve, supporting plates, hangers, fasteners and a reinforcing ring. Each supporting plate comprises a short arm and a long arm, free ends of the short arms are welded to the inner wall of the flanging sleeve, the outer sides of free ends of the long arms are welded to the inner wall of the reinforcing ring, each supporting plate is provided with a plurality of elongated holes along the center line of the corresponding long arm, the supporting plates are uniformly distributed on the inner wall of the flanging sleeve, and the flanging sleeve and the reinforcing ring are coaxial. The flanging sleeve, the supporting plates and the reinforcing ring form an axisymmetric cage structure, two studs penetrate into each elongated hole on the long arms of the supporting plates, and two hangers are fixed to each two studs and symmetrically distributed on the left and the right of the corresponding long arm along the center line of the long arm of the corresponding supporting plate. The corrosion hanger device is simple in structure and convenient in mounting and demounting, hanger materials can be saved, and material evaluation efficiency is improved.
Description
Technical field
The utility model relates to a kind of corrosion test lacing film device that uses in a kind of petroleum refining device, relates in particular to a kind of oil refining pipeline and uses the corrosion coupon device.
Background technology
All there are etching problem in refining equipment and pipeline under many working conditions.Along with crude oil heaviness and inferiorization trend are serious day by day, the etching problem of oil refining apparatus pipeline is also more and more outstanding.In order to guarantee the safety in production of oil refining apparatus long period and to avoid environmental pollution; The corrosion rate of pipeline and selection resistant material become the focus that engineering technical personnel pay close attention to, and measure the corrosion rate of pipeline and select resistant material just to need a kind of monitoring device that can reflect pipeline internal corrosion situation relatively truly.
Patent CN201412142Y discloses a kind of oil pipe internal corrosion test lacing film device; This device is made up of housing, snap ring, annular lacing film, lining, gasket ring; In housing, be with lining; Be socketed with several annular lacing films in the lining, what of annular lacing film determine that according to sampling needs general annular lacing film is equidistant distribution.The material of general lacing film is identical with tubing material, and the oil pipe of different materials adopts the lacing film of different materials.Isolate through the snap ring location between the individual lacing film, snap ring employing plastic material is used for locating isolates and insulation.Lacing film and inner walls are through the lining isolated insulation, and gasket ring is limited to lacing film and lining on the inner walls positioning table.The inner walls gasket ring one end outside is an internal thread, and housing other end outer wall is an external thread.Oil pipe internal corrosion test lacing film device is threaded on original oil pipe string to be detected by two ends, is wringing fit between lining and tubing pup joint housing, snap ring and lining, annular lacing film and the lining; Annular lacing film internal diameter, housing internal diameter, snap ring internal diameter are identical with original pipe aperture.Not enough below this device exists: one, this device is threaded through employing and fixes corrosion test lacing film device, is wringing fit between the machining precision height of screw thread and each parts, thereby has strengthened the manufacture difficulty of this device, wastes time and energy; Two, annular lacing film accuracy requirement is high, and difficulty of processing is big, and the lacing film installing/dismounting is all inconvenient, and annular lacing film materials amount is big, and waste is serious; Three, this device is used to locate and the snap ring that insulate adopts plastics, and plastic products generally can only be very limited the usable range of this device using below 100 ℃; Four, this installs the corrosion coupon limited amount that can fix, and the material kind of lacing film is also limited, has reduced the efficient to the corrosion evaluation of material.
The utility model content
Big in order to solve the single unit system manufacture difficulty that prior art exists, to waste time and energy, annular lacing film accuracy requirement is high, and difficulty of processing is big; The lacing film installing/dismounting is all inconvenient, and annular lacing film materials amount is big, and waste is serious; The snap ring that is used to locate and insulate adopts plastics, can not at high temperature use, and corrosion coupon quantity and the material kind that can fix are limited; To the technical matterss such as corrosion evaluation efficient reduction of material, the utility model provides a kind of oil refining pipeline to use the corrosion coupon device, and this apparatus structure is simple; Easy to manufacture, the lacing film easy accessibility, the materials amount is little.
The oil refining pipeline that the utility model provides mainly is made up of flange sleeve, back up pad, lacing film, securing member and stiffening ring with the corrosion coupon device; Securing member comprises studs, nut, the insulation collar and insulation spacer; Stiffening ring is circular; Back up pad is a sheet metal, and shape is the angle square shape, comprises a galianconism and long-armed; Galianconism and long-armed angle are the right angle, and the free end of galianconism welds with the inwall of flange sleeve mutually, and galianconism points to the axis of flange sleeve along the internal diameter direction of flange sleeve; Weld with the inwall of stiffening ring mutually in the long-armed free end outside, and long-armed Width points to the axis of stiffening ring along the internal diameter direction of stiffening ring, and the long-armed center line in back up pad edge has some strip holes; Back up pad is 2～6; Be distributed on the flange sleeve lining, stiffening ring is positioned at the side of flange sleeve away from flange, and flange sleeve and stiffening ring are on same axis; Flange sleeve, back up pad, stiffening ring three have constituted an axisymmetric cage structure jointly; Each strip hole on back up pad is long-armed is installed with two studs; Be fixed with two lacing films through the insulation collar, insulation spacer and nut on described two studs; Described two lacing films are along the long-armed left and right sides that is distributed in of the long-armed centerline direction symmetry of back up pad, and the distance between interior two studs of strip hole equals to open on the lacing film pitch-row in two holes.
The both ends of described strip hole are semicircle; The diameter of semicircle equals the width of strip hole, and the width of strip hole is than the big 1～2mm of external diameter of studs threaded portion, and the length of strip hole is 0.5～1.5 times of lacing film length; Be preferably 1 times, strip hole also can be rectangular opening.
Described insulation sleeve is equipped with a ring-shaped step; The ring-shaped step collar that will insulate is divided into the first half and the latter half; The height of the first half is smaller or equal to the thickness of lacing film; The diameter of the first half is less than the aperture of perforate on the lacing film, and the diameter of the latter half is greater than the aperture of perforate on the lacing film and greater than the long-armed width of going up strip hole of back up pad.
Described lacing film is lamellar, can be rectangle, square or other suitable shape, and the used material of lacing film can be identical with pipe material, also can be various material.
The described insulation collar and insulation spacer can be stupalith, high molecular polymer or other insulating material, preferably ceramic material.
The utility model can be used on all kinds of pipelines of oil refining apparatus, is used for the corrosion condition in the test line, and for rationally selecting resistant material that technical guarantee is provided fast.The utlity model has following advantage: one, the utility model adopts the flange sleeve as the fixed part in pipeline; The flange of sleeve can overlap easily on the concave station of flange, therefore can easily the lacing film device of the utility model be installed in the pipeline through the flange of band concave station; Two, lacing film is fixed in the back up pad left and right sides, easy accessibility through securing members such as studs, nut, the insulation collar and insulation spacers; Three, the back up pad of belt length cylindrical void allows studs in strip hole, to move freely along the strip hole length direction, thereby can adjust the position of studs according to the pitch of holes of perforate on the lacing film, makes the dismounting of lacing film more convenient; Four, because the lacing film employing is lamellar, simple in structure, be easy to processing, time saving and energy saving, the kind of lacing film, size can be selected in the larger context, can save the lacing film material, improve the assess effectiveness of material; Five, when the insulation collar of the utility model lacing film device and insulation spacer adopt stupalith, can, temperature use on being higher than 100 ℃ oil refining pipeline.
Below in conjunction with accompanying drawing and embodiment the utility model is described further, but accompanying drawing and embodiment do not limit the utility model.
Description of drawings
Fig. 1 is the structural representation of the utility model;
Fig. 2 be among Fig. 1 A-A to synoptic diagram;
Fig. 3 be among Fig. 1 B-B to synoptic diagram;
Fig. 4 is the scheme of installation of lacing film on back up pad;
Fig. 5 is the structural representation of back up pad;
Fig. 6 be among Fig. 5 C-C to synoptic diagram;
Fig. 7 is the scheme of installation of the lacing film device in-line of the utility model;
Among the figure: 1-flange sleeve, 2-back up pad, 3-lacing film, 4-nut, 5-studs, 6-stiffening ring; The 7-collar that insulate, 8-insulation spacer, 9-upper flange pipe, 10-upper flange, 11-pad; The 12-lower flange, 13-lower flange pipe, the 14-strip hole, the 15-galianconism, 16-is long-armed.
Embodiment
Like Fig. 1 and shown in Figure 5, the oil refining pipeline that the utility model provides mainly is made up of flange sleeve 1, back up pad 2, lacing film 3, securing member and stiffening ring 6 with the corrosion coupon device; Stiffening ring 6 is circular; Back up pad 2 is a sheet metal; Shape is the angle square shape, comprises a galianconism 15 and long-armed 16, and galianconism 15 is the right angle with long-armed 16 angle; The free end of galianconism 15 welds with the inwall of flange sleeve 1 mutually; And galianconism 15 is along the axis of the internal diameter direction sensing flange sleeve 1 of flange sleeve 1, and weld with the inwall of stiffening ring 6 mutually in long-armed 16 the free end outside, and long-armed 16 Width points to the axis of stiffening ring 6 along the internal diameter direction of stiffening ring 6; Back up pad 2 is 3, is distributed on flange sleeve 1 inwall, and certainly, the quantity of back up pad 2 can be chosen wantonly between 2～6; Stiffening ring 6 is positioned at the side of flange sleeve 1 away from flange, and flange sleeve 1 and stiffening ring 6 are on same axis; Flange sleeve 1, back up pad 2, stiffening ring 6 threes have constituted an axisymmetric cage structure jointly; Lacing film 3 is a rectangle, can certainly have two fixed orifices on it for square or other suitable shape, is fixed on the back up pad 2 through securing member; The thickness of lacing film 3 is generally 2～5mm, long 20～50mm, and wide 15～30mm is rectangle, the material of lacing film can be selected various material for use according to corrosion situation and various working condition.The thickness of back up pad 2 is generally 3～6mm; Its long-armed width is generally less than the width of lacing film 3; Long-armed length can according to length, quantity and the kind of the lacing film 3 that will fix confirm; The length of galianconism is generally 30～70% of flange sleeve inside radius, and the galianconism width is generally less than the width of lacing film 3.The height of the straight-tube portion of flange sleeve 1 is 1～2 times of back up pad 2 galianconism width, and the thickness of flange is identical with the wall thickness of straight-tube portion, is generally 2～4mm.The external diameter of stiffening ring 6 is smaller or equal to the internal diameter of flange sleeve 1, and its wall thickness is generally 3～5mm, and it highly generally equates with the width of lacing film 3.
As shown in Figure 4, securing member comprises studs 5, nut 4, the insulation collar 7 and insulation spacer 8, and studs 5 passes the strip hole 14 on the back up pad 2 long-armed 16.Lacing film 3 is fixed on the back up pad 2 through studs 5, the insulation collar 7, insulation spacer 8 and nut 4; Be distributed in back up pad 2 left and right sides symmetrically along back up pad 2 long-armed centerline directions; Two studs 5 can move freely along the length direction of strip hole in the strip hole, thereby can attend the position of the pitch of holes adjustment studs of institute's perforate according to lacing film 3.The insulation collar 7 is provided with a ring-shaped step; The ring-shaped step collar 7 that will insulate is divided into the first half and the latter half; The diameter of the first half is less than the diameter of the latter half; The aperture of perforate is greater than the diameter of the insulation collar 7 the first half but less than the diameter of the insulation collar 7 the latter halfs on the lacing film 3, and the thickness of lacing film 3 is more than or equal to the height of the insulation collar 7 the first half, can guarantee like this that lacing film 3 is set on the ring-shaped step of the insulation collar 7 and with studs 5 and nut 4 to keep good insulation.The diameter of the insulation collar 7 the latter halfs is greater than the back up pad 2 long-armed width of going up strip hole; The height of the insulation collar 7 the latter halfs is generally 3～10mm; Thereby make between lacing film 3 and the back up pad 2 to keep a gap and pass through, and make lacing film 3 and back up pad 2 keep insulation for material.
As shown in Figure 4, when lacing film 3 is installed, earlier two studs 5 are passed the strip hole 14 on the back up pad 2 long-armed 16; Two of the suits insulation collar 7 on each studs then; What make the insulation collar 7 symmetry is distributed in the long-armed left and right sides of back up pad 2, and the insulation collar 7 the latter halfs are contacted with back up pad 2, then in the back up pad 2 long-armed left and right sides one lacing film 3 is installed separately; Make the perforate of lacing film 3 be sleeved on the first half of the insulation collar 7; Then insulation spacer 8 is enclosed within on the studs 5, contacts, twine teflin tape in the end of studs 5 at last with lacing film 3; Screw on nut 4 and tightening, lacing film 3 just symmetry be installed on the long-armed left and right sides of back up pad 2.During installation, the length direction of the strip hole on studs 5 is can be along back up pad 2 long-armed moves freely, with lacing film 3 on the pitch-row of perforate adapt.The insulation collar 7 can be stupalith, plastics, high molecular polymer or other insulating material with insulation spacer 8, can select for use according to material situation in the pipeline.
Fig. 2 is that A-A among Fig. 1 is to view; By visible among the figure, back up pad 2 has 3, is evenly distributed on the inwall of flange sleeve 1; The galianconism free end of back up pad 2 welds with the inwall of flange sleeve 1 mutually, and galianconism points to the axis of flange sleeve 1 along the internal diameter direction of flange sleeve 1.Certainly, the quantity of back up pad 2 can be selected between 2～6.The back up pad 2 long-armed left and right sides are equipped with lacing film 3 symmetrically.
Fig. 3 is that B-B among Fig. 1 is to view; By visible among the figure; Back up pad 2 is evenly distributed on the inwall of stiffening ring 6, and weld with the inwall of stiffening ring 6 mutually in the long-armed free end outside of back up pad 2, and long-armed Width points to the axis of stiffening ring 6 along the internal diameter direction of stiffening ring 6.
Fig. 5 is the structural representation of back up pad, by galianconism 15 with have long-armed 16 of strip hole 14 and form, be the angle square shape; Galianconism 15 is the right angle with long-armed 16 angle; The both ends of strip hole 14 are semicircle, and the diameter of semicircle equals the width of strip hole 14, and the width of strip hole 14 is than the big 1～2mm of external diameter of studs threaded portion; The length of strip hole 14 is the length of 0.5～1.5 times of lacing film, preferably equals the length of lacing film.Spacing between the adjacent strip hole is confirmed according to the length of strip hole and the length of lacing film.When the length of strip hole equaled the length of lacing film, the spacing between the adjacent strip hole was generally 3～10mm.Strip hole 14 also can be rectangular opening.Length that back up pad is long-armed and the long-armed quantity that goes up strip hole are confirmed according to lacing film material kind and size.The long-armed quantity that goes up strip hole of each back up pad is generally 2～6, is preferably 3.
Fig. 6 is that C-C has marked strip hole 14 to synoptic diagram among Fig. 5 among the figure.
Flange sleeve, back up pad, stiffening ring, studs and the nut of the utility model lacing film device are generally selected stainless steel material for use, also can select other resistant material for use certainly.
Fig. 7 is the scheme of installation of the lacing film device in-line of the utility model, and lower flange 12 is provided with a concave station, and the flange overlap joint of the flange sleeve 1 of lacing film device is on the concave station of lower flange 12; The flange thickness of flange sleeve 1 equals the degree of depth of concave station, keeps 1～2mm gap between the cylindrical sidewall of flange and the sidewall of concave station, and the length of the straight-tube portion of flange sleeve 1 is the width of 1～2 times of back up pad 2 galianconism; Keep 1～2mm gap between the outer wall of the straight-tube portion of flange sleeve 1 and lower flange pipe 13 inwalls, lower flange pipe 13 welds with lower flange 12 mutually, and upper flange pipe 9 welds with upper flange 10 mutually; Pad 11 is between upper flange 10 and lower flange 12; Connect upper flange 10 and lower flange 12 with bolt, thereby the lacing film device is installed in the pipeline, material is flowed into by upper flange pipe 9 in the pipeline; The lacing film device of flowing through is flowed out by lower flange pipe 13.
Claims (8)
1. an oil refining pipeline is used the corrosion coupon device, it is characterized in that mainly being made up of flange sleeve, back up pad, lacing film, securing member and stiffening ring; Securing member comprises studs, nut, the insulation collar and insulation spacer; Stiffening ring is circular; Back up pad is a sheet metal, and shape is the angle square shape, comprises a galianconism and long-armed; Galianconism and long-armed angle are the right angle, and the free end of galianconism welds with the inwall of flange sleeve mutually, and galianconism points to the axis of flange sleeve along the internal diameter direction of flange sleeve; Weld with the inwall of stiffening ring mutually in the long-armed free end outside, and long-armed Width points to the axis of stiffening ring along the internal diameter direction of stiffening ring, and the long-armed center line in back up pad edge has some strip holes; Back up pad is 2～6; Be distributed on the flange sleeve lining, stiffening ring is positioned at the side of flange sleeve away from flange, and flange sleeve and stiffening ring are on same axis; Flange sleeve, back up pad, stiffening ring three have constituted an axisymmetric cage structure jointly; Each strip hole on back up pad is long-armed is installed with two studs; Be fixed with two lacing films through the insulation collar, insulation spacer and nut on described two studs; Described two lacing films are along the long-armed left and right sides that is distributed in of the long-armed centerline direction symmetry of back up pad, and the distance between interior two studs of strip hole equals to open on the lacing film pitch-row in two holes.
2. lacing film device according to claim 1; It is characterized in that described insulation sleeve is equipped with a ring-shaped step; The ring-shaped step collar that will insulate is divided into the first half and the latter half; The height of the first half is smaller or equal to the thickness of lacing film, and the diameter of the first half is less than the aperture of perforate on the lacing film, and the diameter of the latter half is greater than the aperture of perforate on the lacing film and greater than the long-armed width of going up strip hole of back up pad.
3. lacing film device according to claim 1 and 2 is characterized in that said lacing film is rectangle or square.
4. lacing film device according to claim 1 and 2; The both ends that it is characterized in that the strip hole of described back up pad on long-armed are for semicircle; The diameter of semicircle equals the width of strip hole; The width of strip hole is than the big 1～2mm of external diameter of studs threaded portion, and the length of strip hole is 0.5～1.5 times of lacing film length.
5. lacing film device according to claim 4 is characterized in that the length of said strip hole equals lacing film length.
6. lacing film device according to claim 1 and 2, the length that it is characterized in that the straight-tube portion of said flange sleeve is the width of the galianconism of 1～2 times of back up pad.
7. lacing film device according to claim 1 and 2 is characterized in that the described insulation collar and insulation spacer are stupalith or high molecular polymer.
8. lacing film device according to claim 3, the thickness that it is characterized in that said lacing film is 2～5mm, long 20～50mm, wide 15～30mm; The thickness of back up pad is 3～6mm, and its long-armed width is less than the width of lacing film, and the length of galianconism is 30～70% of flange sleeve inside radius, and the width of galianconism is less than the width of lacing film; The thickness of the flange of flange sleeve is identical with the wall thickness of straight-tube portion, is 2～4mm; The external diameter of stiffening ring is smaller or equal to the internal diameter of flange sleeve, and the wall thickness of stiffening ring is 3～5mm, and the height of stiffening ring equates with the width of lacing film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204508289U CN202393683U (en) | 2011-11-07 | 2011-11-07 | Corrosion hanger device for oil refining pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204508289U CN202393683U (en) | 2011-11-07 | 2011-11-07 | Corrosion hanger device for oil refining pipeline |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202393683U true CN202393683U (en) | 2012-08-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204508289U Expired - Lifetime CN202393683U (en) | 2011-11-07 | 2011-11-07 | Corrosion hanger device for oil refining pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202393683U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076274A (en) * | 2012-12-27 | 2013-05-01 | 清华大学 | Material corrosion test hanging-piece device |
| CN104374689A (en) * | 2014-11-13 | 2015-02-25 | 中国石油天然气集团公司 | Pipe applicability testing device for conveying pipeline and test judgment method |
| CN110131428A (en) * | 2018-02-09 | 2019-08-16 | 中国石油天然气股份有限公司 | valve device |
-
2011
- 2011-11-07 CN CN2011204508289U patent/CN202393683U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103076274A (en) * | 2012-12-27 | 2013-05-01 | 清华大学 | Material corrosion test hanging-piece device |
| CN104374689A (en) * | 2014-11-13 | 2015-02-25 | 中国石油天然气集团公司 | Pipe applicability testing device for conveying pipeline and test judgment method |
| CN104374689B (en) * | 2014-11-13 | 2017-01-18 | 中国石油天然气集团公司 | Pipe applicability testing device for conveying pipeline and test judgment method |
| CN110131428A (en) * | 2018-02-09 | 2019-08-16 | 中国石油天然气股份有限公司 | valve device |
| CN110131428B (en) * | 2018-02-09 | 2020-12-01 | 中国石油天然气股份有限公司 | Valve device |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee after: Luoyang Petrochemical Engineering Corporation /SINOPEC Patentee after: Sinopec Corp. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Co-patentee before: Luoyang Petrochemical Engineering Co., China Petrochemical Group Patentee before: Sinopec Corp. |
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| CX01 | Expiry of patent term |
Granted publication date: 20120822 |
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| CX01 | Expiry of patent term |