CN208182840U - Air duct connecting structure in a kind of annealing kiln - Google Patents
Air duct connecting structure in a kind of annealing kiln Download PDFInfo
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- CN208182840U CN208182840U CN201820664311.1U CN201820664311U CN208182840U CN 208182840 U CN208182840 U CN 208182840U CN 201820664311 U CN201820664311 U CN 201820664311U CN 208182840 U CN208182840 U CN 208182840U
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- seal
- groove
- air duct
- annealing kiln
- sealing plate
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Abstract
The utility model discloses air duct connecting structures in a kind of annealing kiln, for connecting interior air hose, including two pieces of connecting flanges being oppositely arranged, air port corresponding with interior air hose is offered on the connecting flange, two connecting flanges are equipped with connecting tube towards the position for corresponding to air port on the side of interior air hose, the interior air hose is inserted into corresponding connecting tube towards one end of connecting flange, and is welded with inside pipe wall is connect；At least one piece of connecting flange offers the first groove around air port on the side of connecting tube, first seal is filled in first groove, two connecting flanges are connected by bolt and nut fixing piece, and compress first seal, the utility model has the advantage of, it is simple and convenient when installation, and it is convenient for subsequent maintenance.
Description
Technical field
The utility model belongs to glass manufacturing apparatus technical field, and in particular to air duct connecting structure in a kind of annealing kiln.
Background technique
The important Thermal Equipment that annealing kiln is produced as float glass, rolled glass and horizontal drawing glass, main function are
Cool down to glass；The cooling of annealing kiln is completed mainly by air cooling system, and the air cooling system is by interior air hose and outer air hose two
Part is constituted, wherein main component of the interior air hose as annealing kiln cooling air system often changes in a kind of temperature always
In environment, the deformation gas leakage of air hose especially air hose junction can be easily caused with the variation expansion or shrinkage of kiln temperature.
To solve the above problems, glass production enterprise generallys use following several method: first is that by expansion joint progress
The connection of air hose, has a disadvantage in that, expansion joint cost of manufacture is high, mounting condition is harsh, and slightly deviation still will cause leakage when installation
Wind or card group；Second is that junction is connected and sealed using non-metallic seal, this mode is low in cost, but makes for a long time
It is easily carbonized with sealing element broken and enters interior air hose, cause to block；Third is that by being riveted after the direct inserting of interior air hose, need at this time pair
Seam is sealed processing, large labor intensity and subsequent maintenance difficulties are very big.
Utility model content
The technical problem to be solved by the utility model is to: when air hose connects in such a way that inserting rivets in annealing kiln
Large labor intensity and subsequent difficult maintenance.
The utility model solves above-mentioned technical problem using following technical scheme:
Air duct connecting structure in a kind of annealing kiln, for connecting interior air hose, including two pieces of connecting flanges being oppositely arranged, institute
It states and offers air port corresponding with interior air hose on connecting flange, two connecting flanges are towards corresponding to air port on the side of interior air hose
Position is equipped with connecting tube, and the interior air hose is inserted into corresponding connecting tube towards one end of connecting flange, and in connecting tube
Wall welding；At least one piece of connecting flange offers the first groove around air port on the side of connecting tube, in the first groove
Filled with first seal, two connecting flanges are connected by bolt and nut fixing piece, and compress first seal.
Preferably, air duct connecting structure in a kind of annealing kiln described in the utility model is also set between two connecting flange
There is sealing plate, through-hole corresponding with air port is offered on the sealing plate, two connecting flanges are all provided on the side of connecting tube
There is the first groove, first seal is equipped in first groove, two connecting flanges and sealing plate are fixed by bolt and nut
Part connection, connecting flange and sealing plate compress first seal.
Preferably, the bore of air duct connecting structure in a kind of annealing kiln described in the utility model, the through-hole is greater than wind
Mouth bore, at least one connecting flange are equipped with the second groove towards the side of sealing plate, are located at through-hole in second groove
Between air port, second seal is filled in the second groove, connecting flange is connect with sealing plate by bolt and nut fixing piece
When, two connecting flanges compress second seal.
Preferably, first seal and second seal described in the utility model are asbestos cord, and second seal
Diameter is greater than the diameter of first seal.
Preferably, air duct connecting structure in a kind of annealing kiln described in the utility model, the width of first groove and
Depth is between the radius of first seal and diameter, and the width and depth of second groove are between second seal
Radius and diameter between.
Preferably, air duct connecting structure in a kind of annealing kiln described in the utility model, the interior air hose are inserted into connecting tube
Side 3-8mm of the end away from connecting flange far from connecting tube.
Preferably, air duct connecting structure in a kind of annealing kiln described in the utility model, the interior air hose are inserted into connecting tube
Side 4mm of the end away from connecting flange far from connecting tube.
Preferably, air duct connecting structure in a kind of annealing kiln described in the utility model, between the interior air hose and connecting tube
It is fully welded using argon arc welding, and weld bead height is 6-8mm.
Preferably, air duct connecting structure in a kind of annealing kiln described in the utility model, the sealing plate are alumina silicate pottery
Porcelain fiberboard or asbestos board.
The utility model technology the utility model has the advantages that
Connecting tube is arranged by two pieces of connecting flanges of setting in technical solutions of the utility model on connecting flange, interior wind
Pipe insertion connecting tube is simultaneously welded, and is sealed processing by first seal to connecting flange, and operation is more simple and convenient, and
It is also more easy when later maintenance；
Sealing plate is set between two connecting flanges, further enhances the sealing effect between connecting flange, avoids the occurrence of and leak out
Phenomenon；
Second groove is set, and fills second seal in the second groove, component improves between air port and sealing plate
Sealing effect, more intercepts between sealing plate and the air duct of interior air hose, effectively slows down the speed of the heated carbonization of sealing plate, simultaneously
Fragment after having obstructed carbonization enters air duct, blocks interior air hose.
Detailed description of the invention
Fig. 1 is the schematic diagram of air duct connecting structure in a kind of annealing kiln described in the utility model embodiment；
Fig. 2 is the structural schematic diagram of connecting flange in the present embodiment.
Specific embodiment
For convenient for those skilled in the art understand that technical solutions of the utility model, practical new to this now in conjunction with Figure of description
Type technical solution is described further.
As shown in Figures 1 and 2, the present embodiment provides air duct connecting structures in a kind of annealing kiln, for connecting interior air hose 1,
Including two connecting flanges 2 being oppositely arranged, the connecting flange 2 is equipped with air port 21 corresponding with interior air hose 1, and air port 21 is
Quantity, shape are corresponding to interior air hose 1, and connecting flange 2 is equipped with towards the position for corresponding to air port 21 on the side of interior air hose 1
Connecting tube 22, interior air hose 1 are inserted into connecting tube 22, and are welded with 22 inner wall of connecting tube, and at least one piece of connecting flange 2 is away from interior
The first groove 23 around all air ports 21 is offered on the side wall of air hose 1, is sealed in first groove 23 filled with first
Part 5, two connecting flanges 2 are connected by bolt and nut fixing piece 3, and two connecting flanges 2 compress first seal.
By two pieces of connecting flanges 2 respectively with interior air hose 1 weld, then between two connecting flanges 2 pass through first seal 5
Make encapsulation process, simplifies installation, while being convenient for follow-up maintenance.
It is additionally provided with sealing plate 4 between two pieces of connecting flanges 2, the position that sealing plate 4 corresponds to air port 21 is equipped with through-hole 41, and two
Connecting flange 2 is filled with first seal in first groove 23 towards the first groove 23 is designed on the side of sealing plate 4
5, it is connected between connecting flange 2 and sealing plate 4 by bolt and nut fixing piece 3, connecting flange 2 and the compression first of sealing plate 4 are close
Sealing 5.The leakproofness that junction is further increased by the way that sealing plate 4 is arranged, prolongs the service life.
Sealing plate 4, which is used for a long time, will appear the broken situation of carbonization, block wind to avoid fragment from entering in interior air hose 1
Road, the bore of through-hole 41 is greater than the bore in air port 21 in the present embodiment, and at least one piece of connecting flange 2 is towards the side of sealing plate 4
It is equipped with the second groove 24 of annular, second groove 24 is between through-hole 41 and air port 21, filling in the second groove 24
There is a second seal 6, when connecting flange 2 connect with sealing plate 4 by bolt and nut fixing piece 3, two pieces of compressions of connecting flanges 2 the
Two sealing elements 6.Second seal 6 not only can be further improved sealing effect, it is often more important that, 6 pairs of second seal sealings
Plate 4 plays barrier effect, avoid sealing plate 4 be carbonized broken fragment into interior air hose 1 block air duct.
It is alumina-silicate ceramic fibre plate or asbestos board that sealing plate 4, which selects sealing plate, with a thickness of 4-6mm.
First seal 5 and second seal 6 are asbestos cord, and the depth and width of the first groove 23 are close between first
Between the radius and diameter of sealing 5, the depth and width of the second groove 24 between the radius and diameter of second seal 6 it
Between；When connecting flange 2 is connect with sealing plate 4 by bolt and nut fixing piece 3, to realize first seal 5 and second seal 6
It is compacted simultaneously, the asbestos cord diameter as second seal 6 has to be larger than the asbestos cord diameter as first seal 5, example
Such as, when a second seal 6 is only arranged, radius of the diameter not less than first seal 5 of second seal 6 and sealing
The sum of the thickness of plate 4；When two second seals 6 of setting, and connecting flange 2 and sealing plate 4 pass through bolt and nut fixing piece 3 and connect
It connects, when two second seals 6 are in close contact, the diameter of second seal 6 is not less than first seal 5 and 4 thickness of sealing plate
The sum of half.
In addition, interior air hose 1 is inserted into side 3-8mm of the end of connecting tube 22 away from connecting flange 2 far from connecting tube 22, into
One step preferably distance is 4mm；It is fully welded between interior air hose 1 and connecting tube 22 using argon arc welding, and weld bead height is 6-8mm.
The installation process of air duct connecting structure is as follows in annealing kiln described in the present embodiment:
Prefabricated two connecting flanges 2, by interior air hose 1 be inserted into connecting tube 22 after, using internal 1 outer wall of air hose of argon arc welding with
22 inner wall of connecting tube is fully welded as required, welding after the completion of polish, and carry out kerosene leakage experiment with detected whether trachoma,
Burn-through or because the problem of welding hole occurs in polishing；After welding is met the requirements, asbestos are wound in the first groove 23 and the second groove 24
Rope forms sealing element, sealing plate 4 is arranged between two connecting flanges 2, through-hole 41 is corresponding with air port 21, finally by multiple spiral shells
3 are attached between bolt nut is fixed.Internal air hose 1 is attached by this way, efficiently solves interior 1 junction of air hose
The problem of leaking out.
Technical solutions of the utility model are exemplarily described utility model above in conjunction with attached drawing, it is clear that this is practical
Novel specific implementation is not subject to the restrictions described above, as long as using the method concept and technical solution progress of the utility model
Various unsubstantialities improve, or it is not improved the conception and technical scheme of utility model are directly applied into other occasions,
It both is within the protection scope of the present invention.
Claims (10)
1. air duct connecting structure in a kind of annealing kiln, for connecting interior air hose, which is characterized in that including two pieces of companies being oppositely arranged
Acting flange, offers air port corresponding with interior air hose on the connecting flange, and two connecting flanges are towards right on the side of interior air hose
It should be equipped with connecting tube in the position in air port, the interior air hose is inserted into corresponding connecting tube towards one end of connecting flange, and
It is welded with inside pipe wall is connect；At least one piece of connecting flange offers the first groove around air port on the side of connecting tube,
First seal is filled in first groove, two connecting flanges are connected by bolt and nut fixing piece, and compress first seal.
2. air duct connecting structure in a kind of annealing kiln according to claim 1, which is characterized in that between two connecting flange
It is additionally provided with sealing plate, through-hole corresponding with air port is offered on the sealing plate, two connecting flanges are on the side of connecting tube
It is equipped with the first groove, first seal is equipped in first groove, two connecting flanges and sealing plate pass through bolt and nut
Fixing piece connection, connecting flange and sealing plate compress first seal.
3. air duct connecting structure in a kind of annealing kiln according to claim 2, which is characterized in that the bore of the through-hole is big
In air port bore, at least one connecting flange is equipped with the second groove towards the side of sealing plate, is located in second groove
Between through-hole and air port, second seal is filled in the second groove, connecting flange and sealing plate pass through bolt and nut fixing piece
When connection, two connecting flanges compress second seal.
4. air duct connecting structure in a kind of annealing kiln according to claim 3, which is characterized in that the first seal and
Second seal is asbestos cord, and the diameter of second seal is greater than the diameter of first seal.
5. air duct connecting structure in a kind of annealing kiln according to claim 4, which is characterized in that the width of first groove
Between the radius of first seal and diameter, the width and depth of second groove are close between second for degree and depth
Between the radius and diameter of sealing.
6. air duct connecting structure in a kind of annealing kiln according to claim 1-5, which is characterized in that the interior wind
Pipe is inserted into side 3-8mm of the end of connecting tube away from connecting flange far from connecting tube.
7. air duct connecting structure in a kind of annealing kiln according to claim 6, which is characterized in that the interior air hose insertion connects
Side 4mm of the end of adapter tube away from connecting flange far from connecting tube.
8. air duct connecting structure in a kind of annealing kiln according to claim 1-5, which is characterized in that the interior wind
It is fully welded between pipe and connecting tube using argon arc welding, and weld bead height is 6-8mm.
9. air duct connecting structure in a kind of annealing kiln according to claim 2, which is characterized in that the sealing plate is silicic acid
Aluminium ceramic beaverboard or asbestos board.
10. air duct connecting structure in a kind of annealing kiln according to claim 9, which is characterized in that the thickness of the sealing plate
Degree is 4-6mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664311.1U CN208182840U (en) | 2018-05-04 | 2018-05-04 | Air duct connecting structure in a kind of annealing kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820664311.1U CN208182840U (en) | 2018-05-04 | 2018-05-04 | Air duct connecting structure in a kind of annealing kiln |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208182840U true CN208182840U (en) | 2018-12-04 |
Family
ID=64432608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820664311.1U Active CN208182840U (en) | 2018-05-04 | 2018-05-04 | Air duct connecting structure in a kind of annealing kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208182840U (en) |
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2018
- 2018-05-04 CN CN201820664311.1U patent/CN208182840U/en active Active
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