CN203099196U - Compensation joint, tuyere stock and tuyere stock section - Google Patents
Compensation joint, tuyere stock and tuyere stock section Download PDFInfo
- Publication number
- CN203099196U CN203099196U CN201220707066.0U CN201220707066U CN203099196U CN 203099196 U CN203099196 U CN 203099196U CN 201220707066 U CN201220707066 U CN 201220707066U CN 203099196 U CN203099196 U CN 203099196U
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- compensating joint
- joint
- hinged surface
- tuyere stock
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- 235000012489 doughnuts Nutrition 0.000 claims description 18
- 239000012530 fluid Substances 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 6
- 210000000078 claw Anatomy 0.000 abstract 2
- 239000003570 air Substances 0.000 description 9
- 238000002347 injection Methods 0.000 description 6
- 239000007924 injection Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 230000001276 controlling effect Effects 0.000 description 4
- 239000011819 refractory material Substances 0.000 description 4
- 238000003466 welding Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 230000000295 complement effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000000266 injurious effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Images
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L51/00—Expansion-compensation arrangements for pipe-lines
- F16L51/02—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube
- F16L51/025—Expansion-compensation arrangements for pipe-lines making use of bellows or an expansible folded or corrugated tube with several corrugations
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- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21B—MANUFACTURE OF IRON OR STEEL
- C21B7/00—Blast furnaces
- C21B7/16—Tuyéres
- C21B7/163—Blowpipe assembly
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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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L27/00—Adjustable joints, Joints allowing movement
- F16L27/02—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction
- F16L27/04—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces
- F16L27/053—Universal joints, i.e. with mechanical connection allowing angular movement or adjustment of the axes of the parts in any direction with partly spherical engaging surfaces held in place by bolts passing through flanges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B1/00—Shaft or like vertical or substantially vertical furnaces
- F27B1/10—Details, accessories, or equipment peculiar to furnaces of these types
- F27B1/16—Arrangements of tuyeres
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D3/00—Charging; Discharging; Manipulation of charge
- F27D3/16—Introducing a fluid jet or current into the charge
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Joints Allowing Movement (AREA)
Abstract
The utility model relates to a compensation joint, a tuyere stock and a tuyere stock section. The compensation joint comprises a first guide pipe section, a second guide pipe section, a draped pipe, a ball joint and at least one pair of claw components. The first guide pipe section is provided with a first hinge surface, the second guide pipe section is provided with a second hinge surface face, the first hinge surface and the second hinge surface face each other under the condition of assembly of the first guide pipe section and the second guide pipe section. The draped pipe is provided with a first axial end fixed on the first guide pipe section, a second axial end fixed on the second guide pipe section, and an annular gap surrounding limit chamber. The ball joint is arranged outside the annular chamber and comprises a spherical-frustum-shaped collar, and the ball joint and the first hinge surface are concentric and fixed to the first guide pipe section. The claw components are fixed to a second guide pipe component and matched with each other so as to limit a spherical-area socket used for the spherical-frustum-shaped collar. The compensation joint is easier to use.
Description
Technical field
The utility model relates generally to the transmission of hot fluid.More properly, the utility model relates to the segmentation conduit, described segmentation conduit can serve as the blast orifice supply lines that is used for preheating gas is sent to the inside of stove (for example blast furnace), and relates to especially and being used for the interconnective compensating joint of the section of this conduit (compensation joint).
Background technique
When being not limited to its practicability, the utility model is particularly well suited to the compensating joint of shaft furnace blast orifice supply lines.In shaft furnace, particularly in blast furnace, preheated air is injected stove by being arranged in stove periphery a plurality of injection nozzles (air feeding tube) on every side.These injection nozzles are connected to the shared supply of preheated air (endless tube) by the supply lines that is known as tuyere stock (tuyere stock).Endless tube have circular cross section usually and at the level height place of about grate around stove.Tuyere stock generally includes the pipe member that is connected in series that a plurality of inside are lined with refractory material.
Make and location tolerance in order to compensate, and, utilize compensating joint (generally including swivel coupling, bellows type expansion appliance and universal joint) that the adjacent sections on gas flow direction of tuyere stock is coupled in together especially in order to compensate the thermal expansion that in the stove running, takes place.
In order further to set forth tuyere stock, particularly to adopt the preheated air supply lines of universal type compensator type, may need with reference to U. S. Patent 3,662 696,3,766,868.3,662,696,3,766,868 and 4,023,832, they are incorporated into this by quoting mode as proof.The tuyere stock of the patent of quoting as proof provides such advantage, the tubular section that promptly allows the compensation tuyere stock during use different distortion and the foozle between the tubular section, this will realize by using universal joint and having the bellows type compensator of seldom measuring fold.
Sum up the present situation of prior art, known hinged temperature correction joint is set between the section of tuyere stock, use this temperature correction joint will be sent to injection nozzle in the wall of shaft furnace from the preheated air of shared supply tube.Patent US3,66,696 and 3,766,868 illustrate and have described the compensator seam, and this is proved to be quite successful.These compensators adopt universal joint and bellows type element; The hinged surface (articulated surface) that the bellows type element that uses is used at adapter assembly provides sealing on every side.As at patent US4, set forth in 023,832, because high operating environment temperature, so bellows type element (they directly are exposed to the gas of heating) is the most flimsy in the parts of compensating joint of tuyere stock.The potential failure of bellows type element has brought serious potential safety hazard, and the reparation of compensating joint or replacing (though be bellows take place to lose efficacy or as the part of necessary precaution maintenance plan) operational efficiency of stove is had injurious effects.For the temperature of the bellows type element that limits the tuyere stock compensating joint, patent US4,023,832 proposes, in bellows member and directly be exposed between the member of preheating gas or the adapter assembly and arrange annular cooling chamber.
Fig. 1 shows the tuyere stock with compensating joint according to prior art.Circular pipe, endless tube 10 are used to supply preheated air or the gas for the treatment of to be entered by injection nozzle or blast orifice 12 injections stove.Injection nozzle 12 passes the outer wall 14 of stove in mode known in the prior art, and be cooled sheath 16 around.Endless tube 10 is connected to nozzle 12 by supply lines, and this supply lines is called as tuyere stock, represents with 18 generally.Tuyere stock 18 comprises welding steel, and described welding steel forms the conduit that is lined with refractory material 20 in inside.Tuyere stock comprises different piece, especially, comprises air feeding tube 22, bending or ancon part 24 and straight substantially part 26, and this cardinal principle straight portion is connected ancon part 24 with endless tube 10.Straight portion 26 and then comprise the tubular conduit section 28,30 and 32 that is connected in series substantially.
The conduit section 28,30 of straight portion 26 and 32 is by being connected to each other with the 34 and 36 universal compensating joints of representing generally substantially.Level that universal compensating joint 34,36 compensation take place in the stove running and vertical expansion, and correct any structure variation.
Be arranged on globular hinge surface 40-1,40-2 and 42-1,42-2 that refractory lining in conduit section 28,30 and 32 comprises engagement, described globular hinge surface is concentric with the revolving point of corresponding universal compensator.Usually arrange liner (Fig. 1 is not shown) in the gap between every couple of hinged surperficial 40-1,40-2 and 42-1,42-2.Fold shape pipe (or bellows element) 38 seals the relative atmosphere in each gap.
The compensating joint of type shown in Fig. 1 has a few disadvantages.For example, the center of each cardo ring 40 must be positioned on the revolving point of hinged watch in the face of 40-1,40-2 and 42-1,42-2.The width of cardo ring depends on machinery and considers.Each cardo ring all is fixed to corresponding conduit section by articulated jib.All these have limited the minimum length of any universal type compensating joint.Second problem that this joint runs into is that it is difficult to assembling comparatively speaking.At last, the universal type jointing makes liner (axially) compression be difficult for adjusting.
Another kind of compensating joint has been described in the document WO 2011/107428.This compensating joint is lined with the area under control section connection of refractory material and forms spherical joint in two.Compensating joint comprises the fold shape pipe, and described fold shape pipe surrounds described spherical joint with the form of doughnut.The complementary surface of spherical joint is assembled by acupuncture (bayonet) locking framework.
The model utility content
A purpose of the present utility model provides the compensating joint that is more prone to use.This purpose can be by realizing according to device described in the utility model.
According to the utility model, a kind of for example compensating joint of the fluid conduit systems of tuyere stock that is used for is provided, comprising:
First conduit section that comprises the first hinged surface, and second conduit section that comprises the second hinged surface, the shape on the first hinged surface and the second hinged surface fashions into (complementation, i.e. pairing) spheric region, when the assembling of first pipe section and second pipe section, described spheric region is towards each other;
The fold shape pipe, it has and is fixed on first axial end portion on first conduit section in a fluid tight manner and is fixed on second axial end portion on second conduit section in a fluid tight manner, so that limit doughnut around the space between the described first hinged surface and the second hinged surface, this fold shape pipe is with the relative atmospheric sealing of doughnut; And
Be arranged in spherical (for example pestle mortar type (the ball-and-socket-type)) joint in the doughnut outside, this ball joint comprises:
-frusto-spherical the axle collar, it is concentric with the first hinged surface, and is fixed to the external casing of first conduit section, and
-at least one pair of jaw elements, it is fixed to second conduit section, and described at least one pair of jaw elements is fitted to each other so that be defined for the spheric region shape bearing (socket) of the spherical axle collar of butt.
The layout of the parts of the ball joint in the doughnut outside that is limited by the fold shape pipe is brought several advantages.First advantage is that the parts of ball joint (the frusto-spherical axle collar and one or more pairs of jaw elements) are not exposed to potential hot fluid and/or the corrosive fluid in the conduit.As can further recognizing, the layout of the ball joint in the doughnut outside makes and need not remove under the situation of fold shape pipe, can enter this doughnut from the outside.This also helps the assembling of first conduit section and second conduit section.Spherical joint can comprise controlling device, for example is used to regulate the width in the space between the first hinged surface and the second hinged surface.Because these controlling devices can enter from the outside, so can under the situation of not dismantling compensating joint, regulate.
As used herein, term " spheric region " is meant the part that is included in two surfaces between the parallel plane of spheroid.Term " the frusto-spherical axle collar " is used to indicate such axle collar, and promptly its inner radial surface and radial outer surface have concentric spheric region.
Preferably, compensating joint comprises the liner in the space that is arranged between the first hinged surface and the second hinged surface.As will appreciate that this ball joint has been determined first conduit section and second conduit section geometric position relative to each other just.Subsequently, determine the width in the space between the hinged surface and the pressure on therefore definite liner by ball joint.The variation (for example being caused by thermal expansion or contraction) that acts on the mechanical load on the compensating joint is born by the axle collar and jaw elements basically, the width in space and therefore the compression maintenance constant of liner simultaneously.
The frusto-spherical axle collar can for good and all be fixed (for example by welding) to first conduit section.Replacedly, the described frusto-spherical axle collar can be attached to first conduit section removedly.
Preferably, second duct element comprises flange, and at least one pair of jaw elements is fixed on this flange.Advantageously, between flange and at least one pair of jaw elements, arrange one or more separators, and described at least one pair of jaw elements is placed on leaves flange a distance.Separator can be used as above-mentioned controlling device: the thickness of described one or more separators is determined the axial distance between the geometrical center on the geometrical center of spheric region shape bearing and the second hinged surface.The width in the space between this axial distance and the first hinged surface and the second hinged surface is corresponding.By adjusting the thickness of described one or more separators, therefore can regulate the axial pressure on the liner between the hinged surface.
Preferably, described one or more separator is fixed to flange and at least one pair of jaw elements removedly.For example, described at least one pair of jaw elements can be connected to flange by bolt.The jaw elements of every pair of jaw elements all is parts independently, and they are fixed to each other releasedly, so that the frusto-spherical axle collar promptly.The geometrical shape of selecting jaw elements is so that when the assembling jaw elements, the axle collar is stuck, and also, for the axle collar is discharged from its bearing, jaw elements need be dismantled.
One in the first hinged surface and the second hinged surface is recess-type, and another one is a male-type simultaneously.The first hinged surface or the second hinged surface all can be male-type.
A preferred aspect of the present utility model relates to and is used for for example tuyere stock of the shaft furnace of blast furnace, and described shaft furnace comprises one or more compensating joints of describing substantially as top.
Another preferred aspect of the present utility model relates to the tuyere stock section, and it is first conduit section of joint or second conduit section and implement by way of compensation.
The compensating joint that is used for fluid conduit systems is provided according to first aspect of the present utility model, comprise: comprise first conduit section on the first hinged surface and second conduit section that comprises the second hinged surface, the shape on the described first hinged surface and the described second hinged surface fashions into spheric region, described spheric region below the situation of described first conduit section and described second conduit section assembling towards each other, the fold shape pipe, described fold shape pipe has and is fixed on first axial end portion on described first conduit section in a fluid tight manner and is fixed on second axial end portion on described second conduit section in a fluid tight manner, limit doughnut with around the space between the described first hinged surface and the described second hinged surface, described fold shape pipe is with the relative atmospheric sealing of described doughnut; Especially, in described doughnut disposed outside ball joint, described ball joint comprises: the frusto-spherical axle collar, the described frusto-spherical axle collar is concentric and be fixed to described first conduit section with the described first hinged surface, at least one pair of jaw elements, described at least one pair of jaw elements is fixed to described second duct element, and is fitted to each other to be defined for the spheric region shape bearing of the described frusto-spherical axle collar.
Particularly, according to the compensating joint of the utility model first aspect, wherein, the described frusto-spherical axle collar for good and all is fixed to described first conduit section.
Particularly, according to the compensating joint of the utility model first aspect, wherein, described second duct element comprises flange, and described at least one pair of jaw elements is fixed on the described flange.
Particularly, compensating joint according to the utility model first aspect, wherein, described compensating joint comprises the one or more separators that are arranged between described flange and described at least one pair of jaw elements, leaves described flange a distance so that described at least one pair of jaw elements is placed on.
Particularly, according to the compensating joint of the utility model first aspect, wherein, described one or more separators are fixed to described flange and described at least one pair of jaw elements removedly.
Particularly, according to the compensating joint of the utility model first aspect, wherein, described at least one pair of jaw elements bolt is connected to described flange.
Particularly, according to the compensating joint of the utility model first aspect, wherein, the described first hinged surface is a recess-type, and the described second hinged surface is a male-type.
Particularly, according to the compensating joint of the utility model first aspect, wherein, the described first hinged surface is a male-type, and the described second hinged surface is a recess-type.
Particularly, according to the compensating joint of the utility model first aspect, wherein, described compensating joint comprises the liner in the described space that is arranged between the described first hinged surface and the described second hinged surface.
Provide a kind of tuyere stock that is used for shaft furnace according to the utility model second aspect, wherein, described tuyere stock comprises one or more compensating joints according to the utility model first aspect.
Provide a kind of tuyere stock section that is used for shaft furnace according to the utility model third aspect, wherein, described tuyere stock section is configured to according to first conduit section described in the utility model first aspect or second conduit section, and described tuyere stock section and the assembling of another tuyere stock section are to form the compensating joint according to the utility model first aspect.
Description of drawings
By example preferred implementation of the present utility model is described referring now to accompanying drawing, in the accompanying drawing:
Fig. 1 is the side view that is almost section form according to the tuyere stock of prior art, and as discussing in front, this tuyere stock is connected between the endless tube of blast orifice and blast furnace;
Fig. 2 is the longitdinal cross-section diagram that has according to the straight tuyere stock part of the cardinal principle of compensating joint of the present utility model.
Embodiment
With reference to Fig. 2, straight substantially tuyere stock part is with reference number 100 expressions.Straight tuyere stock part 100 comprises the tuyere stock section 102,104 and 106 of three tandem arrangement substantially, and they connect by the compensating joint 108,110 of pestle mortar type.Compensating joint 108 interconnects upper curtate 102 and centre portion 104, and provides fluid to be communicated with between them.Compensating joint 110 interconnects centre portion 104 and lower curtate 106, and provides fluid to be communicated with between them.The tuyere stock part 100 that the cardinal principle of Fig. 2 is straight can substitute counterpart shown in Figure 1 26.The compensating joint 108 of Fig. 2 and 110 is carried out compensating joint 34 and 36 identical functions with Fig. 1.The blast orifice section 102,104,106 of part 100 comprises outside steel shell 112, and this outside steel enclosure interior is lined with refractory material 114, so that preheated air and/or top gas are guided to the blast orifice of shaft furnace from endless tube.
At compensating joint 108 places, middle tuyere stock section 104 stops in first recessed hinged surperficial 116.Second projection hinged surperficial 118 forms on the lower end of last blast orifice section 102.First hinged surperficial 116 and second hinged surperficial 118 the shape is complimentary to one another.Under the assembled state of compensating joint, described hinged surface is arranged to toward each other, and like this, first hinged surperficial 116 the centre of curvature 120 overlaps substantially with second hinged surperficial 118 the centre of curvature.Liner 122(is fibre gasket for example) preferably be arranged in the space between first hinged surperficial 116 and second hinged surperficial 118.Hinged surperficial 116,118 shape makes uptake sleeve pipe section 102 and middle tuyere stock section 104 can do limited angular motion relative to each other.
As can further seeing from Fig. 2, fold shape pipe or bellows 124 surround hinged.Fold shape pipe 124 is arranged to uptake sleeve pipe section 102 and middle tuyere stock section 104 coaxial substantially.This fold shape pipe has first axial end portion and second axial end portion on the outside that is separately fixed at uptake sleeve pipe section and middle tuyere stock section in a fluid tight manner.Delimit doughnut 126 around the space of fold shape pipe 124 between hinged surperficial 116,118, and make the relative atmospheric sealing of described doughnut.Any gas leakage by liner 122 all can be limited in the doughnut 126, and prevents that gas is spilled in the atmosphere.
Compensating joint 108 further comprises the ball joint that is arranged in doughnut 126 outsides.This ball joint comprises the frusto-spherical axle collar 128, and this frusto-spherical axle collar is along circumferentially extending around middle tuyere stock section 104.The centre of curvature of the axle collar 128 (it forms the revolving point of compensating joint 108) overlaps with first hinged surperficial 116 the centre of curvature.The axle collar 128 is coupled in the bearing that is limited by a pair of annular jaw elements 130,132, and described annular jaw elements is fixed on the flange 134 of uptake sleeve pipe section 102.Jaw elements 130,132 allows the axle collar 128 to carry out angular motion around centre of curvature 120, and keeps the axle collar fixing in the axial direction.Jaw elements 130,132 also limits the angular motion of the axle collar 128: when the side surface of the axle collar 128 and jaw elements 130,132 define described jaw elements across spherical part a part adjacent to each other in abutting connection with the time, perhaps when the housing 112 of jaw elements 130,132 and middle tuyere stock section 104 adjacent to each other in abutting connection with the time, the described axle collar reaches angled stop position.The angular motion that allows between the jaw elements 130,132 and the axle collar 128 is selected such that compensating joint all keeps sealing in any end position, promptly particularly, make fold shape pipe 124 can excessively not stretch.
In illustrated embodiment, the regular angular spacing of separator 136 above tuyere stock sections 102 distributes.Each separator 136 all has hole (not shown in the accompanying drawing), and corresponding hole is aimed in this hole and the flange 134 and in the jaw elements 130,132, and jaw elements 130,132, separator 136 and flange can link together by described hole bolt.What will be appreciated that is that separator 136 forms opening cover around fold shape pipe 124; Therefore, the ambient air opening between the separator 136 of can flowing through, and cooling fold shape pipe 124.In addition, fold shape pipe 124 procuratorial work easily.Simultaneously, described cover serves as the protection of fold shape pipe, prevents that for example the workman by mistake contacts with the hot surface of fold shape pipe 124.
The installation that those of skill in the art will recognize that the compensating joint of Fig. 2 can be than much easier from the installation of the known compensating joint of prior art.At first, hinged surperficial 116 and 118 are close together, and have liner 122 between them.In second step, the fold shape pipe is fixed to tubular section 102,104, for example connects by welding or by flange.At last, jaw elements 130,132 is placed in the appropriate location by this way, and promptly they fasten the axle collar 128 and are fixed to flange 134 then.By selecting the thickness of separator 136, can easily regulate the compression of liner.Can carry out fine adjustment by between separator 136 and flange 134 and/or jaw elements 130, adding or remove backing plate.
Compensating joint 110 between middle tuyere stock section 104 and the leeward muzzle area under control section 106 has identical construction with compensating joint 108.The above description of compensating joint 110 (having done suitable correction) therefore is applicable to compensating joint 110.
Compare with traditional universal type compensating joint, requisite space is still less in the axial direction according to compensating joint of the present utility model.Correspondingly, uptake sleeve pipe section 102 and leeward muzzle area under control section 104 can be made shorter than prior art.This allow to increase the length of centre portion 104 and revolving point 120 and 120 ' between distance.And then for the given overall dimension of equipment, this allows the bigger motion of whole tuyere stock.
When describing a specific implementations of the present utility model in detail, what those skilled in the art will be appreciated that is under general teachings of the present disclosure, can develop the multiple modification and the conversion that those details.Correspondingly, disclosed specific arrangements only is intended to schematically, and does not limit scope of the present utility model, and scope of the present utility model at large provides in claims and any or all equivalent.
Especially, all has the hinged surface of recess-type at each compensating joint place simultaneously at the centre portion shown in Fig. 2 104, what those skilled in the art will be appreciated that is, if the hinged surface of complementary type is arranged on upper curtate 102 and the lower curtate 106, then described centre portion replacedly can comprise two hinged surfaces of male-type or a recess-type and the hinged surface of male-type.
Should also be noted that the position of the axle collar and jaw elements can be inverted with respect to hinged surface as long as keep with one heart.
About separator, can not use the independently separator that on circumference, distributes, use annular divider with replacing, described annular divider can be made or comprised several arch-shaped elements by a workpiece.
In addition, each jaw elements all can be made or comprised a plurality of arch-shaped elements by single annular workpieces.
Legend:
Fig. 1
10 endless tubes, 30 tubular conduit sections
12 blast orifices, 32 tubular conduit sections
14 blast furnace outer walls, 34 universal compensating joints
16 cooling jackets, 36 universal compensating joints
18 tuyere stocks, 38 fold shape pipes
The hinged surface of 20 refractory lining 40-1
The hinged surface of 22 air feeding tube 40-2
The hinged surface of 24 ancon part 42-1
The 26 straight substantially hinged surfaces of part 42-2
28 tubular conduit sections
Fig. 2
The centre of curvature on the tuyere stock part 120 first hinged surfaces that 100 cardinal principles are straight
102 tuyere stock sections, 122 liners
104 tuyere stock sections, 124 fold shape pipes
106 tuyere stock sections, 126 doughnuts
108 compensating joints, the 128 frusto-spherical axle collars
110 compensating joints, 130 jaw elements
112 outside steel shell 132 jaw elements
114 refractory linings, 134 flanges
116 first hinged surperficial 136 separators
118 second hinged surfaces
Claims (11)
1. be used for the compensating joint of fluid conduit systems, comprise:
Comprise first conduit section on the first hinged surface and second conduit section that comprises the second hinged surface, the shape on the described first hinged surface and the described second hinged surface fashions into spheric region, described spheric region below the situation of described first conduit section and described second conduit section assembling towards each other
The fold shape pipe, described fold shape pipe has and is fixed on first axial end portion on described first conduit section in a fluid tight manner and is fixed on second axial end portion on described second conduit section in a fluid tight manner, limit doughnut with around the space between the described first hinged surface and the described second hinged surface, described fold shape pipe is with the relative atmospheric sealing of described doughnut;
It is characterized in that in described doughnut disposed outside ball joint, described ball joint comprises:
The frusto-spherical axle collar, the described frusto-spherical axle collar are concentric and be fixed to described first conduit section with the described first hinged surface,
At least one pair of jaw elements, described at least one pair of jaw elements is fixed to described second duct element, and is fitted to each other to be defined for the spheric region shape bearing of the described frusto-spherical axle collar.
2. compensating joint according to claim 1 is characterized in that, the described frusto-spherical axle collar for good and all is fixed to described first conduit section.
3. compensating joint according to claim 1 is characterized in that, described second duct element comprises flange, and described at least one pair of jaw elements is fixed on the described flange.
4. compensating joint according to claim 3, it is characterized in that, described compensating joint comprises the one or more separators that are arranged between described flange and described at least one pair of jaw elements, leaves described flange a distance so that described at least one pair of jaw elements is placed on.
5. compensating joint according to claim 4 is characterized in that, described one or more separators are fixed to described flange and described at least one pair of jaw elements removedly.
6. according to each described compensating joint in the claim 3 to 5, it is characterized in that described at least one pair of jaw elements bolt is connected to described flange.
7. according to each described compensating joint in the claim 1 to 5, it is characterized in that the described first hinged surface is a recess-type, and the described second hinged surface is a male-type.
8. according to each described compensating joint in the claim 1 to 5, it is characterized in that the described first hinged surface is a male-type, and the described second hinged surface is a recess-type.
9. according to each described compensating joint in the claim 1 to 5, it is characterized in that described compensating joint comprises the liner in the described space that is arranged between the described first hinged surface and the described second hinged surface.
10. be used for the tuyere stock of shaft furnace, it is characterized in that, described tuyere stock comprises one or more according to the described compensating joint of claim 1 to 5.
11. be used for the tuyere stock section of shaft furnace, it is characterized in that, described tuyere stock section be configured to as in the claim 1 to 5 described in each and first conduit section or second conduit section, described tuyere stock section treat with the assembling of another tuyere stock section to form according to each described compensating joint in the claim 1 to 5.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU91921A LU91921B1 (en) | 2011-12-19 | 2011-12-19 | Compensation joint for a fluid conduit |
| LU91921 | 2011-12-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203099196U true CN203099196U (en) | 2013-07-31 |
Family
ID=47665661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220707066.0U Expired - Fee Related CN203099196U (en) | 2011-12-19 | 2012-12-19 | Compensation joint, tuyere stock and tuyere stock section |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN203099196U (en) |
| DE (1) | DE202012011622U1 (en) |
| LU (1) | LU91921B1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893136A (en) * | 2017-12-06 | 2018-04-10 | 中冶武汉冶金建筑研究院有限公司 | A kind of air-supply apparatus of blast furnace expansion joint castable expanded joint structure |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3001572B1 (en) * | 2013-01-25 | 2015-02-27 | Technicatome | INTEGRATED TYPE PRESSURE WATER NUCLEAR REACTOR COMPRISING AN INTEGRATED PRESSURIZER. |
| CN103148311B (en) * | 2013-03-22 | 2015-08-05 | 航天晨光股份有限公司 | Spherical shell type universal angle expansion joint |
| DE102019100443A1 (en) | 2019-01-09 | 2020-07-09 | Abb Schweiz Ag | Device for the gas-tight connection between a connection surface and a reference surface |
| CN109681711B (en) * | 2019-01-28 | 2020-08-14 | 秦皇岛市泰德管业科技有限公司 | Kadan type expansion joint |
| CN112682604B (en) * | 2020-12-21 | 2022-05-27 | 中国地震局工程力学研究所 | Large-displacement protection device for field gas pipeline |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE748939A (en) | 1969-04-21 | 1970-09-16 | Wurth Anciens Ets Paul | |
| US3766868A (en) | 1972-02-22 | 1973-10-23 | Anciens Etablissements P Warth | Tuyere stock for furnaces |
| LU70943A1 (en) | 1974-09-18 | 1975-03-06 | ||
| US4772033A (en) * | 1983-09-28 | 1988-09-20 | General Electric Company | Flexible duct joint utilizing lip in recess in a flange |
| AU608987B2 (en) * | 1988-07-19 | 1991-04-18 | Paul Wurth S.A. | Device for injecting preheated air in a shaft furnace |
| JP2001021203A (en) * | 1999-07-05 | 2001-01-26 | Masuoka Sekkei Kk | Flexible joint and flexible connection structure of building exhaust duct |
| DE102010015842A1 (en) * | 2010-03-05 | 2011-09-08 | Z & J Technologies Gmbh | Hot blast nozzle stick for a shaft furnace, in particular blast furnace |
-
2011
- 2011-12-19 LU LU91921A patent/LU91921B1/en active
-
2012
- 2012-12-05 DE DE202012011622U patent/DE202012011622U1/en not_active Expired - Lifetime
- 2012-12-19 CN CN201220707066.0U patent/CN203099196U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107893136A (en) * | 2017-12-06 | 2018-04-10 | 中冶武汉冶金建筑研究院有限公司 | A kind of air-supply apparatus of blast furnace expansion joint castable expanded joint structure |
Also Published As
| Publication number | Publication date |
|---|---|
| LU91921B1 (en) | 2013-06-20 |
| DE202012011622U1 (en) | 2013-01-08 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20211219 |