CN1242073A - Clamp for supporting tubing on hanger tubes - Google Patents
Clamp for supporting tubing on hanger tubes Download PDFInfo
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- CN1242073A CN1242073A CN 97180965 CN97180965A CN1242073A CN 1242073 A CN1242073 A CN 1242073A CN 97180965 CN97180965 CN 97180965 CN 97180965 A CN97180965 A CN 97180965A CN 1242073 A CN1242073 A CN 1242073A
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- cylindrical section
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Abstract
Apparatus which may be a part of various systems including piping systems and fluidized bed systems. The apparatus that holds one tube with respect to another tube includes a body that has a first cylindrical section shaped portion and a second cylindrical section shaped portion. Each of the cylindrical section shaped portions has an angular extent that is generally concave. The angular extent of the first cylindrical section shaped portion and the angular extent of the second cylindrical section shaped portion each have an axis and the axis of the first cylindrical section shaped portion may be spaced from the axis of the second cylindrical section shaped portion. Some embodiments of the invention have cylindrical section shaped portions that have an angular extent that is no greater than 180 degrees. The axis of the first cylindrical section shaped portion may be perpendicular to the second cylindrical section shaped portion. The cylindrical section shaped portions have extremities and a weld bead extends between each of the extremities of the first cylindrical section shaped portion and the first tubular member and a weld bead extending between each of the extremities of the second cylindrical section shaped portion and the second tubular member in some embodiments.
Description
The present invention relates to the device of supporting flue, though wherein very hot fluid flows in the pipeline of still awfully hot comparatively cooling.A kind of application is the overheated and hot combined pipe again on the steam cooling swing pipe that supports in the fluidized bed steam generating means for example.Though main application of the present invention is a fluidized bed combustion process that is used in the steam generating system, comprise circulating fluid bed steam generator and fluidizing fluid-bed steam generator, also can be applicable to other power generating apparatus but those of ordinary skill in the art will know the present invention.
Fluidized bed combustor coal combustion effectively under enough low temperature is to avoid the aflame many problems of alternate manner.Term " fluid bed " is to instigate solid material to flow freely, have the state of flow-like characteristic.When a gas upwards passed through the siege of a solid particle, gas flow just produced the power that particle will be separated from each other.Under low speed flow, particle keeps contacting with other solids and having motion-impeding trend.This state is called as one and solidifies bed.When air-flow increased, the power on the particle of just can arriving just was enough to cause a state point of separation.Siege is regarded as fluidisation at this moment.Air cushion between this solids can allow particle freely to move, and gives siege one fluidisation shape characteristic.
Fluidized bed combustion can be burnt, and those are considered to inappropriate fuel with high concentration flue dust, sulphur and nitrogen usually.By adopting this method, can not need Drechsel system in some cases at least and still can satisfy emission request.In fluidized bed combustion, fuel is in a siege internal combustion of the not burning particles of the heat that is suspended by a fluidisation air-flow that makes progress.Usually fuel is the solid fuel such as coal, though also can easily use liquid state and fuel gas.The characteristic of this universal class device is by Joseph G.Singer, described in the publication " burning mineral power " that P.E edits, published in 1991 by combustion enginnering company, wherein combustion enginnering company is the subsidiary of Asea Brown Boveri company on No. 1000, Prospect Hill road that is positioned at the Windsor city in 06095 district, Connecticut (Connecticut) state.
Fluidizing gas is the gaseous products of combustion air and burning normally.Wherein do not need filtering sulphur, and the fuel flue dust can be replenished by the inert material such as sand or aluminium oxide, to keep siege.In the application that needs filtering sulphur, with the part of lime stone as adsorbent and formation siege.The fluidized bed combustion syste of two main types is: (1) fluidizing fluid-bed (BFB), wherein surpass the required unnecessary air of liquefaction siege in the mode of boiling (foamings) by siege, this is fluidizing fluid-bed also to have appropriate siege solid velocity and the feature that relatively low solids are mingled with in flue gas; (2) recirculating fluidized bed (CFB) is characterized in that having higher speed and more tiny siege particle size.In these systems, when being mingled with of solids increases, the diffusion that becomes of fluid bed surface, thus no longer include the siege surface of qualification.Circulating fluidized bed system has the high material cycling rate that turns back to burner from burner to the particle circulatory system again.The present invention is applied to fluidizing fluid-bed boiler especially, those skilled in the art will also recognize that other application certainly.
One fluidizing fluid-bed boiler adopts steam or water cooling pipeline surface to remove heat from the siege flue dust.These surfaces can be arranged in evaporimeter, superheater or the reheater piping.Pipe surface generally includes many combined pipes that the mode with the snake of wriggling disposes, and wherein the center line of each pipeline is arranged in the common plane, and this plane connects the whole axial range of each pipeline basically.Many fluid-cooled swing pipes so are provided with usually: their axial direction part closely separates and meets at right angles with the axial component of combined pipe.
In this prior art, adopted the clip of each pipeline of extruding (clamping).After clip being connected on each pipeline, clip is welded together, so that pipeline is mutually positioning.It is not satisfied relying on the clip of extrusion pipe, because line size has marked difference in the operating temperature range of broadness.The temperature of from 1600 to 1700 degrees Fahrenheits is common in the fluid bed of operation.In the clip scheme, it is faster that a kind of (possible) situation is that clip gets than pipe expansion.Another kind of (possible) situation is that cooling alternately and heat cycles can make clip lax.Arbitrary situation all can cause very lax clamping action, and it will cause between the pipeline and even the relative motion of pipeline between being in contact with one another.This meeting corrosion pipeline, thereby need the inefficacy of keeping in repair expense even can cause pipeline.
A purpose of the present invention provides the device that one combined pipe and a swing pipe are cooperated securely without chucking power.
Another object of the present invention provides the device that can prevent relative motion between arbitrary pipeline and the device.
An also purpose of the present invention provides the device that still less needs repairing than one type of prior art syringe.
A further object of the present invention is to need not to close fluidized bed plant to change pipeline.
Another purpose of the present invention provides the connection of each pipeline, and it has and pipeline thermo-contact closely, and has a temperature roughly the same with pipe temperature, thereby this connection is difficult for leaving from arbitrary pipe expansion.
Found to be reached these and other objects of the present invention by such device, this device can be parts that comprise the various systems of pipe-line system and fluidized system.With respect to another pipeline clamping, it comprises a body to this device with a pipeline, and this body has one first cylindrical section shape part and one second cylindrical section shape part.Each cylindrical section shape partly has the angular range that (correspondence) is roughly concave surface.The angular range of the angular range of first cylindrical section shape part and second cylindrical section shape part has an axis respectively, and wherein the axis of first cylindrical section shape part can separate configuration with the axis of second cylindrical section shape part.
Some embodiments of the present invention have cylindrical section shape part, and they have an angular range that is not more than 180 degree.The axis of first cylindrical section shape part can be perpendicular to the axis of second cylindrical section shape part.In certain embodiments, each cylindrical section shape part all has end, and one weld seam extend in each of first cylindrical section shape part terminal with first tube-like piece between, and a weld seam extends between each end and second tube-like piece of second cylindrical section shape part.
Can understand the present invention better by the reference accompanying drawing, wherein:
Fig. 1 is a part of front elevational schematic that can adopt a typical fluidizing fluid-bed steam generator of the present invention.
Fig. 2 one is arranged on the piping plan in the siege of device shown in Figure 1.
Fig. 3 is the plane of expression geometrical clamp of one mode according to the present invention.
Fig. 4 is the side view of structure shown in Figure 3.
Fig. 5 is another front view of Fig. 4.
Fig. 6 is the perspective view of the geometrical clamp that do not link to each other with any pipeline.
Referring now to Fig. 1, it shows a typical fluidizing fluid-bed steam generator 10.Fuel of breaking into pieces and adsorbent 12 are transfused to the top or the bottom of a siege 14.The air of fluidisation is sent to the bottom of siege 14 by an air-supply arrangement and air distributor 16.When adopting a sulfur absorbent, in siege 14, carry out sulphur absorption.Flue gas and some solids that enter enter in the part more than siege 14 surfaces of generator 10.This part is called as free plate 16.In free plate 16, can carry out the absorption of additional combustion and sulphur.Gas and solids enter convection channel 18 from free plate 16, before entering a mechanical dust arrester 20, at this they are cooled off.Machinery dust arrester 20 is collected the solids that are mingled with, to be recycled in the siege 14 or to handle.Flue gas from mechanical dust arrester 20 enters an air heater, fine granular gatherer and induces the sucker (not shown).The temperature of siege 14 remains on the optimal value for sulphur absorption and efficiency of combustion, normally adopts water cooled furnace wall (not shown) in generator 10 and/or the pipeline group 22 in the embedding siege 14.The height of siege 14 is to control by the material of discharging moderate amount from operation siege 14.This material passes through through a flue dust cooler 24.
Referring now to Fig. 2, show in detail the pipeline group 22 in the typical fluidizing fluid-bed boiler 10.Pipe surface generally includes many combined pipes 30, and they dispose in the mode of the snake of wriggling, and wherein the center line of each pipeline is arranged in the common sides that roughly connects the whole axial range of each pipeline.Each combined pipe is connected on a public input adapter and the public out splice going splice.Many fluids cooling swing pipes 32 so are provided with usually: their axial direction part closely separates and meets at right angles with the axial component of combined pipe 30.In Fig. 2, the roughly axial component of each pipeline 30,32 is represented by a single line.There are many local pipelines 30 and pipeline 32 in the zone represented by less schematic two-wire of the axial component of pipeline 30,32 in the drawings with crossing at right angle.All these intersection and many other intersection, wherein each pipeline 30,32 need keep the relative position of pipeline 30,32 such as the geometrical clamp the geometrical clamp according to the present invention with the vertical relation setting.
Now, show a geometrical clamp 40 according to a kind of mode of the present invention referring to Fig. 3～6.This geometrical clamp 40 is for cast member and have one first cylindrical section shape part 42 and one second cylindrical section shape part 44.The axis normal of the first cylindrical section shape part 42 is in the axis of the second cylindrical section shape part 44.The angular range of cylindrical section shape part 42,44 changes with each application.In the embodiment shown, an arc of the second cylindrical section shape part, 44 extend pasts, 180 degree.This has carried out best description in the drawings, and it is consistent with an imaginary plane that it clearly expresses terminal 44a, 44b, and this imaginary plane axially is divided into two halves with pipeline 30.This shape is convenient to along the whole axial range of terminal 44a, 44b a weld seam is set.
The angular range of cylindrical section shape part 42 is approximately 130 degree.Accurate angular range is about 130 degree.This angular range is because pipeline 30 has bigger diameter less than the angular range of cylindrical section shape part 44 in a way.It is consistent with the plane of extending from the curvature radial axis of second cylindrical section shape part not hold 44a, 44b to be configured to.This shape also is used for allowing along terminal 44a, 44b a weld seam to be set.This is meant that weld seam extends along the whole axial range of terminal 42a, 42b, 44a, 44b.This will guarantee maximum intensity and maximum thermo-contact.Maximum intersection contact is necessary for being maintained fixed folder 40 under the temperature near pipeline 30,32 temperature.
For guaranteeing accurately will further to define the term cylindrical section.Term " cylinder " is meant by a straight line parallel fixes the surface that the closed curve in mobile point-blank and crossing one plane of fixing is described in one.Term " section " is understood that usually from a something cutting or an isolated part.Also can understand, if someone has a cylinder, for example typical " tin iron " can has wherein cut away top and bottom, and cuts away some part shape of the piece section that is cut off (but do not change) of this cylinder, and this piece section that then is cut off is exactly a cylindrical section.For example, if someone uses a circular saw to cut the axial part section (by cutting at the in-plane perpendicular to this cylinder geometrical axis) of rigid cylinder, then can obtain many cylindrical sections.Especially, the outer surface of each this section and inner surface will be cylindrical sections.
Can find out that the present invention is installed to geometrical clamp 40 on the pipeline 30,32 securely in the mode that does not rely on clamping this moment.This firm installation guarantees that pipeline 30,32 can be unexpectedly throws off from geometrical clamp 40, and this geometrical clamp 40 can keep the thermo-contact good with each pipeline 30,32.This guaranteed pipeline 30,32 have a correct separation and arbitrary pipeline not can with respect to geometrical clamp 40 move or with the mutual friction mutually of other pipeline.
Though each axis with first and second cylindrical section shapes part has illustrated geometrical clamp in the orthogonal mode of setting that concerns, should be understood that alternate manner of the present invention will have other geometrical relationship.Normally, first cylindrical section shape part will separate with the axis of second cylindrical section shape part, thereby make them non-intersect.
Preferred embodiment shown in the combination has been described the present invention.Those of ordinary skill in the art can be according to the open variation of conceiving other of instruction herein.This variation is regarded as being included in the disclosure file, and the present invention is only limited by claims.
Claims (9)
1. be used for the device of a pipeline with respect to another pipeline gripping comprised:
One body, described body has one first cylindrical section shape part and one second cylindrical section shape part, each described cylindrical section shape partly has the angular range that one (correspondence) is roughly concave surface, the angular range of the angular range of described first cylindrical section shape part and described second cylindrical section shape part has an axis respectively, and wherein the axis of the axis of first cylindrical section shape part and second cylindrical section shape part separates configuration.
2. device as claimed in claim 1 is characterized in that:
Each cylindrical section shape partly has one and is not more than 180 angular ranges of spending.
3. device as claimed in claim 1 is characterized in that:
The axis normal of first cylindrical section shape part is in the described second cylindrical section shape part.
4. a pipe-line system that is used for a relevant fluidized bed plant comprises:
At least one first tube-like piece;
At least one second tube-like piece; With
Be used for the device of described first tube-like piece with respect to described second tube-like piece gripping, this device comprises a body, described body has one first cylindrical section shape part and one second cylindrical section shape part, each described cylindrical section shape partly has an angular range that is roughly concave surface, the angular range of the angular range of described first cylindrical section shape part and described second cylindrical section shape part has an axis respectively, wherein the axis of the axis of first cylindrical section shape part and second cylindrical section shape part separates configuration, the described first cylindrical section shape partly engages described first tube-like piece, and the described second cylindrical section shape partly engages described second tube-like piece.
5. pipe-line system as claimed in claim 4 is characterized in that:
Each described cylindrical section shape partly has end, and this system also comprises a weld seam that extends between each the described end of described first cylindrical section shape part and described first tube-like piece, and a weld seam that extends between each the described end of described second cylindrical section shape part and described second tube-like piece.
6. a pipe-line system as claimed in claim 5 is characterized in that:
The described axis normal of described first cylindrical section shape part is in the described axis of described second cylindrical section shape part.
7. fluidized bed plant, its improvements comprise:
One pipe-line system, this pipe-line system comprise at least one first tube-like piece; At least one second tube-like piece; With the device that is used for described first tube-like piece is gripped with respect to described second tube-like piece, this device comprises a body, described body has one first cylindrical section shape part and one second cylindrical section shape part, each described cylindrical section shape partly has an angular range that is roughly concave surface, the angular range of the angular range of described first cylindrical section shape part and described second cylindrical section shape part has an axis respectively, wherein the axis of the axis of first cylindrical section shape part and second cylindrical section shape part separates configuration, the described first cylindrical section shape partly engages described first tube-like piece, and the described second cylindrical section shape partly engages described second tube-like piece.
8. fluidized bed plant as claimed in claim 7 is characterized in that:
Each described cylindrical section shape partly has end, and this system also comprises a weld seam that extends between each the described end of described first cylindrical section shape part and described first tube-like piece, and a weld seam that extends between each the described end of described second cylindrical section shape part and described second tube-like piece.
9. fluidized bed plant as claimed in claim 8 is characterized in that:
The described axis normal of described first cylindrical section shape part is in the described axis of described second cylindrical section shape part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97180965 CN1242073A (en) | 1996-12-23 | 1997-12-08 | Clamp for supporting tubing on hanger tubes |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/772,481 | 1996-12-23 | ||
| CN 97180965 CN1242073A (en) | 1996-12-23 | 1997-12-08 | Clamp for supporting tubing on hanger tubes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1242073A true CN1242073A (en) | 2000-01-19 |
Family
ID=5177994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97180965 Pending CN1242073A (en) | 1996-12-23 | 1997-12-08 | Clamp for supporting tubing on hanger tubes |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1242073A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250957A (en) * | 2013-06-26 | 2014-12-31 | 苏州宝时得电动工具有限公司 | Blow and exhaust device |
| CN112268827A (en) * | 2020-10-14 | 2021-01-26 | 西安热工研究院有限公司 | Thermal fatigue cracking resistant method for stainless steel hot molten salt pipeline of photo-thermal power station |
-
1997
- 1997-12-08 CN CN 97180965 patent/CN1242073A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104250957A (en) * | 2013-06-26 | 2014-12-31 | 苏州宝时得电动工具有限公司 | Blow and exhaust device |
| CN112268827A (en) * | 2020-10-14 | 2021-01-26 | 西安热工研究院有限公司 | Thermal fatigue cracking resistant method for stainless steel hot molten salt pipeline of photo-thermal power station |
| CN112268827B (en) * | 2020-10-14 | 2022-11-01 | 西安热工研究院有限公司 | Thermal fatigue cracking resistant method for stainless steel hot molten salt pipeline of photo-thermal power station |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: ABB Alsthom Energy Source Co. Applicant before: Combustion Engineering Co. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: BURNING ENGINEERING CO., LTD. TO: ABB ALSTOM ENERGY RESOURCE CO. |
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| C53 | Correction of patent for invention or patent application | ||
| CB02 | Change of applicant information |
Applicant after: Alsthom Power Co. Applicant before: ABB Alsthom Energy Source Co. |
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| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ABB ALSTOM ENERGY RESOURCE CO. TO: ALSTOM POWER CO.,LTD. |
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| AD01 | Patent right deemed abandoned | ||
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |