CN205528892U - Sealed flange - Google Patents
Sealed flange Download PDFInfo
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- CN205528892U CN205528892U CN201620257252.7U CN201620257252U CN205528892U CN 205528892 U CN205528892 U CN 205528892U CN 201620257252 U CN201620257252 U CN 201620257252U CN 205528892 U CN205528892 U CN 205528892U
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- sealing flange
- nozzle
- cooling chamber
- jacket casing
- flange
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Abstract
The utility model discloses a sealed flange belongs to metallurgical equipment technical field, including a cavity form barrel casing that has edge portion at the open end, edge portion upper portion is provided with the round sealing washer by the outside, is equipped with the gusset between its lower part and barrel casing outer wall, is used for supporting and consolidates edge portion, be equipped with the cooling chamber on the barrel casing. The utility model has the advantages of reasonable, sealed effectual, the high temperature resistant and long service life of structural design.
Description
Technical field
This utility model belongs to technical field of metallurgical equipment, is specifically related to a kind of double-pot type steel-making VD stove evacuation system for vacuum refining of liquid steel and seals flange.
Background technology
Steel-making VD stove SECONDARY REFINING IN A VACUUM CHAMBER, is a kind of employing mode airtight VD stove evacuation, the technique under partial vacuum molten steel being carried out refine.Molten steel efficiency is gone out for improving vacuum refining, generally configuration is with two liquid steel refining stations of Switch of working position device, the vacuum tank the most typically arranging two intervals arranged side by side forms two stations, vacuum tank and pumped vacuum systems connect, two vacuum tank upper end tank mouths are provided with vacuum container cover car, vacuum container cover car is for transporting vacuum container cover between two stations so that it is can use in turn between two stations.In such a mode, its pumped vacuum systems is a fixed pipeline configuration, including two evacuation arms connected with vacuum tank and by three-way pipeline, two described evacuation arms are connected with evacuation supervisor, and be provided with vacuum main valve on two evacuation arms.Meanwhile, adding that Switch of working position matching requirements is arranged in the nearest section of refine retort, and liquid steel temperature is at about 1700 DEG C, takes away a large amount of heat of high temperature when extracting vacuum, typically the temperature to Switch of working position device is 300 DEG C～400 DEG C.
So, the vacuum main valve that market is typically chosen in steel-making refine VD stove evacuation system is that vacuum electric high temperature butterfly valve carries out selecting switching station, and there are the following problems for it: 1, expensive, causes use cost too high；2, arrange near refine retort, easily cause that its sealing effectiveness is poor, fault is many, thus cause retort vacuumizing effect poor, the most always cause vacuum refining of liquid steel effect bad.
Therefore need to redesign a kind of stable performance, good sealing effect and resistant to elevated temperatures device and substitute the vacuum main valve of costliness.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of reliable, stable, good sealing effect, resistant to elevated temperatures sealing flange.
For reaching above-mentioned purpose, this utility model is achieved through the following technical solutions:
A kind of sealing flange that this utility model provides, at opening there is the hollow form jacket casing along portion including one, described be provided with a circle sealing ring in the outer part along top, portion, between its underpart and jacket casing outer wall, be provided with gusset, for described in bracing reinforcement along portion, described jacket casing is provided with cooling chamber.
Further, described cooling chamber is the cooling coil being spirally wrapped around on jacket casing outer wall.
Further, described cooling chamber is provided with the import and export of cooling medium circulation, and described cooling medium is high pressure gas or cryogen.
Further, described cooling chamber is coated with heat insulating belt.
Further, described being arranged over several along portion and be radially uniformly distributed and be directed at the nozzle on its top on direction, described nozzle is connected with jacket casing by support.
Further, described nozzle is compressed-air atomizer, for purging dust stratification in portion's end face outside.
Further, jet angle and the jet amount of described compressed-air atomizer is adjustable.
Further, also include that the PLC being connected with nozzle several described, described PLC are for being automatically adjusted the time that each nozzle opens or closes.
Further, described sealing ring is made up of polymer rubber material or metal-rubber material.
Compared with prior art, Advantageous Effects of the present utility model is:
1, this utility model has simple in construction, stable performance, good sealing effect and resistant to elevated temperatures advantage such that it is able to substitutes expensive vacuum main valve, greatly reduces and produce or use cost.
2, cooling chamber it is set on the cylinder sealing flange and increases heat insulating belt at cooling chamber outer surface, and using compressed air or cryogen fluxion strap in cooling chamber to walk heat discharge, making overall and through its inner space the flue gas of sealing flange be adequately cooled.
Other advantages of the present utility model, target and feature will be illustrated to a certain extent in the following description, and to a certain extent, will be apparent to those skilled in the art based on to investigating hereafter, or can be instructed from practice of the present utility model.Target of the present utility model and other advantages can be realized by description below and obtain.
Accompanying drawing explanation
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is made preferred detailed description, wherein:
Fig. 1 is the front view that this utility model seals flange；
Fig. 2 is the structural representation that this utility model seals that flange is applied in double-pot type steel-making VD stove evacuation system；
Fig. 3 is the partial enlarged drawing of Fig. 2；
Reference: 1-seals flange, 101-jacket casing, 102-along portion, 103-sealing ring, 104-gusset, 105-cooling coil, 106-nozzle, 107-support；2-evacuation is responsible for；3-evacuation arm；4-bend pipe；5-lifting-transverse shifting device.
Detailed description of the invention
Below with reference to accompanying drawing, preferred embodiment of the present utility model is described in detail；Should be appreciated that preferred embodiment is only for explanation this utility model rather than in order to limit protection domain of the present utility model.
As Figure 1-3, a kind of sealing flange, at opening, there is the hollow form jacket casing 101 along portion 102 including one, described it is provided with a circle sealing ring 103 in the outer part along top, portion 102, it is provided with gusset 104 between its underpart and jacket casing 101 outer wall, for described in bracing reinforcement along portion 102, described jacket casing 101 is provided with cooling chamber, and described cooling chamber is the cooling coil 105 being spirally wrapped around on jacket casing 101 outer wall.
Concrete, double-pot type steel-making VD stove includes two refining furnace (not shown)s, pumped vacuum systems includes two evacuation arms 3 and an evacuation supervisor 2, two evacuation arms 3 are connected with two refining furnaces respectively, described evacuation supervisor 2 optionally switches with any one in two described evacuation arms 3 connected by bend pipe 4, and the mobile handoff of described bend pipe 4 works and completed by lifting-transverse shifting device 5；Evacuation supervisor 2 is equipped with this sealing flange 1 with evacuation arm 3 on the end, one end being connected with described bend pipe 4, described sealing flange 1 include being responsible for evacuation 2 or evacuation arm 3 fixed by welding manner be connected jacket casing 101, be located on jacket casing 101 and be flexibly connected with bend pipe 5 along portion 102 and be located in portion 102 and be located along the sealing ring 103 between portion 102 and bend pipe 4；Jacket casing 101 inwall has evacuation and is responsible for the cross section that 2 outer walls are identical.So, bend pipe 4 can rely on deadweight to allow its two ends place respectively and be pressed against on the sealing ring 103 sealing flange 1 on evacuation supervisor 2 and evacuation arm 3, ensure the sealing effectiveness of this connecting portion, and in pipeline vacuum, because being pressed on by bend pipe 4 further under suction function on sealing flange 1, reach the purpose effectively sealed.And along being provided with gusset 104 between bottom, portion 102 and jacket casing 101 outer wall, for bracing reinforcement along portion 102；And it is provided with cooling chamber (cooling coil 105) on the jacket casing 101 sealing flange 1, by cooling chamber (cooling coil 105) to seal flange 1 body and jacket casing 101 in circulation flue gas be adequately cooled, with this improve seal flange 1 heat-resisting quantity and enhancing sealing ring 103 service life.So, this utility model has stable performance, good sealing effect and resistant to elevated temperatures advantage.
In the present embodiment, described cooling chamber (cooling coil 105) is provided with the import and export (not shown) of cooling medium circulation, so can strengthen the flowing of cooling chamber (cooling coil 105) interior cooling medium.The cooling medium that can import in this cooling chamber (cooling coil 105) is cryogen, such as cooling water, can quickly reduce and seal flange 1 body and the temperature of the interior flue gas through stream thereof so that it is be adequately cooled.Certainly, in different examples, described cooling medium can use high pressure gas, and the air-flow utilizing high pressure principle quickly to flow can take away rapidly heat, equally reaches above-mentioned purpose.
In the present embodiment, described cooling chamber (cooling coil 105) is coated with heat insulating belt (not shown).By the design of this heat insulating belt, on the one hand can completely cut off and seal the high temperature that flange contacts when refining furnace, on the other hand the flue gas circulated in can making sealing flange 1 is isolated from the outside, and designed by cooling chamber thereon (cooling coil 105), cooling chamber (cooling coil 105) can be made only to take away the temperature sealed in flange 1, be equivalent to accelerate to seal flange 1 body and interior scattering and disappearing through stream flue gas heat thereof, reach the purpose of quick effective temperature-reducing.
In the present embodiment, described it be arranged over several along portion 102 and be uniformly distributed in the radial direction along portion 102 along described and be directed at the described nozzle 106 along top, portion 102, described nozzle 106 is connected with jacket casing 101 by support 107, described nozzle 106 is compressed-air atomizer, for purging dust stratification in portion's end face outside.In this example, 4 compressed-air atomizers are used to distribute above portion 102 uniformly, will cover when sealing on flange 1 at bend pipe 4, first pass through compressed-air atomizer and the upper surface along portion 102 is carried out winding-up cleaning, to ensure that the dust stratification in portion 102 is removed, guarantee bend pipe 4 and the compact siro spinning technology sealed between flange 1, reach good sealing effectiveness.
As the improvement in the present embodiment, the jet angle of described compressed-air atomizer and jet amount are adjustable, are to be adjusted jet position, and can adjust jet form neatly according to practical situation；Also include the PLC (not shown) being connected with nozzle several described 106, described PLC is for being automatically adjusted the time that each nozzle 106 opens or closes, can purge along top, portion 102 whole according to practical condition so that jet effect is more suitable for being actually needed.
In the present embodiment, described sealing ring 106 uses metal-rubber material to make, in the special inherent character with extreme environment (high temperature or high pressure or high vibration) with selected metal, have again and be similar to the elasticity that rubber is the same, do not evaporate under spatial environments, do not fear high temperature, it is not afraid of space radiation and particle clashes into, select the different metals can be with corrosion-resistant environment, and without aging possibility, and there is the characteristics such as damping vibration attenuation.The most different examples can also use and be made up of polymer rubber material, also can reach the purpose of heat resistant and wear resistant.
Finally illustrate is, above example is only in order to illustrate the technical solution of the utility model and unrestricted, although this utility model being described in detail with reference to preferred embodiment, it will be understood by those within the art that, the technical solution of the utility model can be modified or equivalent, without deviating from objective and the scope of the technical program, it all should be contained in the middle of right of the present utility model.
Claims (9)
1. one kind seals flange, it is characterised in that: include that one has the hollow form jacket casing along portion at opening, described
It is provided with a circle sealing ring along top, portion in the outer part, between its underpart and jacket casing outer wall, is provided with gusset, for described in bracing reinforcement
Along portion, described jacket casing is provided with cooling chamber.
Sealing flange the most according to claim 1, it is characterised in that: described cooling chamber is for being spirally wrapped around cylinder
Cooling coil on set outer wall.
3. according to the sealing flange described in any one of claim 1-2, it is characterised in that: described cooling chamber is provided with cooling and is situated between
The import and export of matter circulation, described cooling medium is high pressure gas or cryogen.
Sealing flange the most according to claim 3, it is characterised in that: described cooling chamber is coated with heat insulating belt.
Sealing flange the most according to claim 1, it is characterised in that: described it is arranged over several and edge along portion
It is uniformly distributed and is directed at the nozzle on its top in the radial direction, and described nozzle is connected with jacket casing by support.
Sealing flange the most according to claim 5, it is characterised in that: described nozzle is compressed-air atomizer, is used for
Purging dust stratification in portion's end face outside.
Sealing flange the most according to claim 6, it is characterised in that: the jet angle of described compressed-air atomizer and
Jet amount is adjustable.
8. according to the arbitrary described sealing flange of claim 5-7, it is characterised in that: also include with nozzle several described even
The PLC connect, described PLC are for being automatically adjusted the time that each nozzle opens or closes.
Sealing flange the most according to claim 1, it is characterised in that: described sealing ring by polymer rubber material or
Metal-rubber material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257252.7U CN205528892U (en) | 2016-03-30 | 2016-03-30 | Sealed flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620257252.7U CN205528892U (en) | 2016-03-30 | 2016-03-30 | Sealed flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205528892U true CN205528892U (en) | 2016-08-31 |
Family
ID=56786776
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620257252.7U Active CN205528892U (en) | 2016-03-30 | 2016-03-30 | Sealed flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205528892U (en) |
-
2016
- 2016-03-30 CN CN201620257252.7U patent/CN205528892U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |