CN103062544B - Uniform-inner-diameter direct current three-dimensional spherical compensator - Google Patents
Uniform-inner-diameter direct current three-dimensional spherical compensator Download PDFInfo
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- CN103062544B CN103062544B CN201210575522.5A CN201210575522A CN103062544B CN 103062544 B CN103062544 B CN 103062544B CN 201210575522 A CN201210575522 A CN 201210575522A CN 103062544 B CN103062544 B CN 103062544B
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Abstract
The invention relates to a uniform-inner-diameter direct current three-dimensional spherical compensator which comprises a middle connecting pipe, a telescopic compensating device and a spherical surface movable sealing assembly. The spherical surface movable sealing assembly comprises a spherical surface tube, a spherical surface flange, a filling tube, a spherical surface outer sleeve tube and a reducing tube, wherein the spherical surface tube is arranged in the spherical surface outer sleeve tube, the spherical surface flange is connected with the spherical surface outer sleeve tub, the spherical surface flange, the spherical surface tube and the spherical surface outer sleeve tube for a filling cavity, and a sealing filler is arranged in the filling cavity. The sealing filler filling tube is arranged on the spherical surface outer sleeve tube, a tube wall of the spherical surface tube is of a solid structure, and the inner surface of the spherical surface tube wall is a smooth surface. Compared with the prior art, the spherical surface tube adopts the solid structure, the inside of a pipeline is not reduced, a medium flows smoothly, a sphere is not easily abraded, and the service life is prolonged. A non-metal blocking ring arranged in the filling cavity facilitates strengthening of the sealing effect, spherical surface abrasion is reduced, sealing materials can be supplemented under the condition that shutdown is not performed, the service life of the compensator is prolonged greatly, and maintenance cost is reduced.
Description
Technical field
The present invention relates to pipe line compensating device, especially a kind of Uniform-inner-diametdirect direct current three-dimensional spherical compensator being provided with stuffing box packing filler pipe.
Background technique
The industries such as oil, chemical industry, electric power, heating power generally all need to install and use in the duct three-dimensional ball compensator, three-dimensional ball compensator is made up of two ball shape structure elements and a tube-in-tube structure element usually, ball shape structure element can do radial bending angle displacement, tube-in-tube structure element can make axial direct linear displacement, the advantage of three-dimensional ball compensator is: deflection angle is large, axial displacement is large, the comparatively large displacement amount downwards produced when equipment such as energy effective compensation and absorption boiler etc. runs.
At present, the existing three-dimensional ball compensator according to D-LD2000 standard manufacture is generally all for power plant, cement plant cigarette wind or pulverized coal channel design, the spheroid of ball compensator is processed by equal thickness steel plate, and outer surface of spheroid spirogyrate becomes sphere, the corresponding formation groove of its internal surface.In compensator working procedure, the reducing district that coal dust is formed through spheroid easily produces eddy current, and constantly gathers in groove and flow, and not only reduces the flow velocity of coal dust, and impact is normally carried, and easy wear compensation device spheroid, reduces its working life.
The Sealing of existing three-dimensional ball compensator is generally winding asbestos packing, and serviceability temperature is less than 350 DEG C, uses within 3 to five years, leakage phenomenon will occur, thus must change compensator, cause working life shorter, and safeguard and change workload greatly, cost is higher.
Summary of the invention
For the deficiency of above existing three-dimensional ball compensator, the object of this invention is to provide a kind of pipe interior without reducing, not easily leakage, long service life, can supplement the Uniform-inner-diametdirect direct current three-dimensional spherical compensator of stuffing box packing in non-stop-machine situation.
The object of the invention is by realize by the following technical solutions:
Uniform-inner-diametdirect direct current three-dimensional spherical compensator, comprise intermediate connection tube and the sphere movable sealing assembly I, the sphere movable sealing assembly II that are located at intermediate connection tube two ends, expansion compensation device is provided with between described intermediate connection tube and sphere movable sealing assembly I, described sphere movable sealing assembly I comprises sphere pipe I, spherical flange I, filler pipe I, sphere outer sleeve I and reducer pipe I, described sphere pipe I is located in sphere outer sleeve I, and described spherical flange I to be connected with sphere outer sleeve I by bolt and to fix;
Described spherical flange I forms packing cavity I with sphere pipe I, sphere outer sleeve I, is provided with stuffing box packing in packing cavity I; Described sphere outer sleeve I is provided with stuffing box packing filler pipe I, and filler pipe I is communicated with packing cavity I, and the opening end of filler pipe I is provided with sealed cap; The tube wall of described sphere pipe I is set to entity structure, and the internal surface of sphere pipe I tube wall is set to even surface.
As the preferred technical solution of the present invention, described expansion compensation device comprises telescopic pipe, straight pipe flange and flexible outer sleeve, flexible outer sleeve is located at the end of described intermediate connection tube, one end of described telescopic pipe is set in described intermediate connection tube by flexible outer sleeve, and the other end of telescopic pipe is connected with described sphere movable sealing assembly I by reducer pipe I;
Described straight pipe flange and telescopic pipe, intermediate connection tube and flexible outer sleeve form packing cavity III, are provided with stuffing box packing in packing cavity III; Described flexible outer sleeve is provided with stuffing box packing filler pipe III, and filler pipe III is communicated with described packing cavity III, and the opening end of filler pipe III is provided with sealed cap.
As the preferred technical solution of the present invention, described sphere movable sealing assembly II comprises sphere pipe II, spherical flange II, sphere outer sleeve II, described sphere pipe II is located in sphere outer sleeve II, described spherical flange II forms packing cavity II with sphere pipe II, sphere outer sleeve II, is provided with stuffing box packing in packing cavity II;
Described sphere outer sleeve II is provided with stuffing box packing filler pipe II, and filler pipe II is communicated with described packing cavity II, and the opening end of filler pipe II is provided with sealed cap.
As the preferred technical solution of the present invention, the diameter of described sphere pipe II external arc is greater than 1/2nd of sphere pipe II internal diameter, is less than 1.5 times of sphere pipe II internal diameter.
As the preferred technical solution of the present invention, nonmetal baffle ring is also provided with between described spherical flange II and described packing cavity II, the opposite side of described packing cavity II is provided with metal baffle ring, metal baffle ring and described sphere outer sleeve II are welded and fixed, and are provided with nonmetal capel between the outer surface of metal baffle ring and described sphere pipe II.
As the preferred technical solution of the present invention, the internal diameter of described sphere pipe I and the internal diameter equal and opposite in direction of described telescopic pipe.
As the preferred technical solution of the present invention, the gap between the end face of described sphere pipe I and described telescopic pipe is less than 35 millimeters.
As the preferred technical solution of the present invention, described stuffing box packing comprises graphite and is wound around sealing material.
The invention has the beneficial effects as follows: relative to prior art, the spheroid of sphere pipe of the present invention adopts entity structure, and pipe interior is without reducing, and coal dust flowing is more unimpeded, not easily wear compensation device spheroid, thus is conducive to the working life extending compensator.The nonmetal baffle ring that packing cavity is provided with and capel are conducive to enhanced leaktightness effect, and reduce the wearing and tearing of sphere.
The outer sleeve of packing cavity arranges filler pipe, and for supplementary filling stuffing box packing, traditional winding asbestos packing is changed into graphite and be wound around sealing material, and add the filler such as alloy and antioxidant, sealing compression resistance is better, and normal serviceability temperature can reach 650 DEG C.
The present invention expands use field and the scope of product; not only may be used in the pipeline that the piping displacement amount such as power plant, cement plant is less, operating temperature is lower; and it is larger to be applicable to the piping displacement such as heating power, chemical industry amount; in the pipeline that operating temperature is higher; and sealing material can be supplemented in non-stop-machine situation; substantially prolongs the working life of product, reduce maintenance cost.
Accompanying drawing explanation
Below in conjunction with accompanying drawing and specific embodiment, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is close-up schematic view of the present invention.
In figure: 1, sphere pipe I, 2, bolt, 3, spherical flange I, 4, filler pipe I, 5, stuffing box packing, 6, sphere outer sleeve I, 7, reducer pipe I, 8, telescopic pipe, 9, straight pipe flange, 10, filler pipe III, 11, flexible outer sleeve, 12, intermediate connection tube, 13, sphere pipe II, 14, nonmetal baffle ring, 15, spherical flange II, 16, filler pipe II, 17, nonmetal capel, 18, sphere outer sleeve II, 19, reducer pipe II.
Embodiment
As depicted in figs. 1 and 2, Uniform-inner-diametdirect direct current three-dimensional spherical compensator, comprise intermediate connection tube 12 and the sphere movable sealing assembly I, the sphere movable sealing assembly II that are located at intermediate connection tube 12 two ends, expansion compensation device is provided with between described intermediate connection tube 12 and sphere movable sealing assembly I, sphere movable sealing assembly I comprises sphere pipe I 1, spherical flange I 3, filler pipe I 4, sphere outer sleeve I 6 and reducer pipe I 7, sphere pipe I 1 is located in sphere outer sleeve I 6, and spherical flange I 3 is connected with sphere outer sleeve I 6 by bolt 2 and is fixed; Spherical flange I 3 and sphere pipe I 1, sphere outer sleeve I 6 form packing cavity I, are provided with stuffing box packing 5 in packing cavity I.Sphere outer sleeve I 6 is provided with stuffing box packing filler pipe I 4, and filler pipe I 4 is communicated with packing cavity I, and the opening end of filler pipe I 4 is provided with sealed cap; The tube wall of sphere pipe I 1 is set to entity structure, and the internal surface of sphere pipe I 1 tube wall is set to even surface.
Described expansion compensation device comprises telescopic pipe 8, straight pipe flange 9 and flexible outer sleeve 11, flexible outer sleeve 11 is located at the end of intermediate connection tube 12, one end of telescopic pipe 8 is set in intermediate connection tube 12 by flexible outer sleeve 11, and the other end of telescopic pipe 8 is connected with sphere movable sealing assembly I by reducer pipe I 7.Described straight pipe flange 9 forms packing cavity III with telescopic pipe 8, intermediate connection tube 12 and flexible outer sleeve 11, is provided with stuffing box packing in packing cavity III.Flexible outer sleeve is provided with stuffing box packing filler pipe III 10, and filler pipe III 10 is communicated with packing cavity III, and the opening end of filler pipe III 10 is provided with sealed cap.
Described sphere movable sealing assembly II comprises sphere pipe II 13, spherical flange II 15, sphere outer sleeve II 18, sphere pipe II 13 is located in sphere outer sleeve II 18, sphere outer sleeve II 18 and reducer pipe II 19 are welded to connect, spherical flange II 15 and sphere pipe II 13, sphere outer sleeve II 18 form packing cavity II, are provided with stuffing box packing in packing cavity II; Sphere outer sleeve II 18 is provided with stuffing box packing filler pipe II 16, and filler pipe II 16 is communicated with packing cavity II, and the opening end of filler pipe II 16 is provided with sealed cap.
In the present embodiment, the diameter of described sphere pipe I and sphere pipe II external arc is greater than 1/2nd of its internal diameter respectively, is less than 1.5 times of its internal diameter.Nonmetal baffle ring 14 is also provided with between described spherical flange II 15 and packing cavity II, the opposite side of packing cavity II is provided with metal baffle ring, metal baffle ring and sphere outer sleeve II 18 are welded and fixed, and are provided with nonmetal capel 17 between the outer surface of metal baffle ring and sphere pipe II 13.Stuffing box packing 5 both sides of packing cavity I described in the present embodiment are also respectively equipped with nonmetal baffle ring and nonmetal capel, and this structure is conducive to enhanced leaktightness effect, and reduces the wearing and tearing of sphere.
In the present embodiment, the internal diameter of described sphere pipe I 1 and the internal diameter equal and opposite in direction of telescopic pipe 8, the gap between the end face of sphere pipe I 1 and telescopic pipe 8 is less than 35 millimeters.Stuffing box packing described in the present embodiment comprises graphite and is wound around sealing material, is added with the filler such as alloy and antioxidant in sealing material, and sealing compression resistance is better, and normal serviceability temperature can reach 650 DEG C.
Claims (2)
1. a Uniform-inner-diametdirect direct current three-dimensional spherical compensator, comprise intermediate connection tube and the sphere movable sealing assembly I, the sphere movable sealing assembly II that are located at intermediate connection tube two ends, expansion compensation device is provided with between described intermediate connection tube and sphere movable sealing assembly I, it is characterized in that: described sphere movable sealing assembly I comprises sphere pipe I, spherical flange I, filler pipe I, sphere outer sleeve I and reducer pipe I, described sphere pipe I is located in sphere outer sleeve I, and described spherical flange I is connected by bolt with sphere outer sleeve I and fixes; Described spherical flange I and sphere pipe I, sphere outer sleeve I form packing cavity I, are provided with stuffing box packing in packing cavity I; Described sphere outer sleeve I is provided with stuffing box packing filler pipe I, and filler pipe I is communicated with packing cavity I, and the opening end of filler pipe I is provided with sealed cap; The tube wall of described sphere pipe I is set to entity structure, and the internal surface of sphere pipe I tube wall is set to even surface;
Described sphere movable sealing assembly II comprises sphere pipe II, spherical flange II, sphere outer sleeve II, described sphere pipe II is located in sphere outer sleeve II, described spherical flange II and sphere pipe II, sphere outer sleeve II form packing cavity II, are provided with stuffing box packing in packing cavity II; Described sphere outer sleeve II is provided with stuffing box packing filler pipe II, and filler pipe II is communicated with described packing cavity II, and the opening end of filler pipe II is provided with sealed cap; The diameter of described sphere pipe II external arc is greater than 1/2nd of sphere pipe II internal diameter, is less than 1.5 times of sphere pipe II internal diameter; Nonmetal baffle ring is also provided with between described spherical flange II and described packing cavity II, the opposite side of described packing cavity II is provided with metal baffle ring, metal baffle ring and described sphere outer sleeve II are welded and fixed, and are provided with nonmetal capel between the outer surface of metal baffle ring and described sphere pipe II;
Described expansion compensation device comprises telescopic pipe, straight pipe flange and flexible outer sleeve, flexible outer sleeve is located at the end of described intermediate connection tube, one end of described telescopic pipe is set in described intermediate connection tube by flexible outer sleeve, and the other end of telescopic pipe is connected with described sphere movable sealing assembly I by reducer pipe I; Described straight pipe flange and telescopic pipe, intermediate connection tube and flexible outer sleeve form packing cavity III, are provided with stuffing box packing in packing cavity III; Described flexible outer sleeve is provided with stuffing box packing filler pipe III, and filler pipe III is communicated with described packing cavity III, and the opening end of filler pipe III is provided with sealed cap;
The described internal diameter of sphere pipe I and the internal diameter equal and opposite in direction of described telescopic pipe; Gap between the end face of described sphere pipe I and described telescopic pipe is less than 35 millimeters.
2. Uniform-inner-diametdirect direct current three-dimensional spherical compensator according to claim 1, is characterized in that: described stuffing box packing comprises graphite and is wound around sealing material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210575522.5A CN103062544B (en) | 2012-12-26 | 2012-12-26 | Uniform-inner-diameter direct current three-dimensional spherical compensator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210575522.5A CN103062544B (en) | 2012-12-26 | 2012-12-26 | Uniform-inner-diameter direct current three-dimensional spherical compensator |
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| CN103062544A CN103062544A (en) | 2013-04-24 |
| CN103062544B true CN103062544B (en) | 2015-06-24 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105570550A (en) * | 2016-02-23 | 2016-05-11 | 南京中特化工动力设备有限公司 | Universal joint compensation support |
| CN108105509A (en) * | 2017-12-30 | 2018-06-01 | 江苏恒丰波纹管有限公司 | Three-dimensional ball joint compensator with guide ring and sealing device |
| CN108131523A (en) * | 2017-12-30 | 2018-06-08 | 江苏恒丰波纹管有限公司 | Three-dimensional ball joint compensator with sealing device |
| CN111895214A (en) * | 2020-08-13 | 2020-11-06 | 江苏宝恒管件有限公司 | Pressurized plugging device and compensator |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2173343Y (en) * | 1993-12-24 | 1994-08-03 | 张家口市第二机床厂 | High-pressure ball type compensator for thick oil gas filling |
| CN2192788Y (en) * | 1994-05-28 | 1995-03-22 | 田震 | Pipe-compensater with quick sealing function |
| FR2887608A1 (en) * | 2005-06-24 | 2006-12-29 | Eurl Gary Technologies Entpr U | High temperature and high pressure vapor exhaust valve outlet and pipe`s ball and socket connection device for reactor, has drainage ports, and lateral connection elements to form upstream and downstream ball and socket assemblies |
| CN100408909C (en) * | 2006-05-29 | 2008-08-06 | 阎瑞杰 | Universal expansion joint for oil seal pipeline |
| CN201129588Y (en) * | 2007-12-25 | 2008-10-08 | 刘运章 | Antiseize heat resisting spherical pipe joint |
| CN201407454Y (en) * | 2008-11-28 | 2010-02-17 | 大连益多管道有限公司 | Filling type ball-head rotary compensator |
| CN203023718U (en) * | 2012-12-26 | 2013-06-26 | 江苏贝特管件有限公司 | Direct-current three-dimensional spherical compensator with uniform internal diameter |
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