CN103851909A - Connecting structure for bend header and end face beam of convection chamber of tube heating furnace - Google Patents
Connecting structure for bend header and end face beam of convection chamber of tube heating furnace Download PDFInfo
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- CN103851909A CN103851909A CN201310009472.9A CN201310009472A CN103851909A CN 103851909 A CN103851909 A CN 103851909A CN 201310009472 A CN201310009472 A CN 201310009472A CN 103851909 A CN103851909 A CN 103851909A
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- header box
- angle steel
- connecting structure
- crossbeam
- face
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Abstract
The invention relates to a connecting structure for a bend header and an end face beam of a convection chamber of a tube heating furnace. The connecting structure comprises a beam, a reinforcing plate, angle steel, a bolt, a nut, a gasket, a ceramic fiber strip, a steel plate and a castable, wherein the beam is fixedly connected with the angle steel; the end, close to the end face beam, of the steel plate is fixedly connected with the angle steel, and is arranged above the castable; the angle steel on the end face beam side and the bend header side are connected through the bolt, the nut and the gasket; the ceramic fiber strip is arranged between the two pieces of angle steel. According to the connecting structure, the bend header can be integrally disassembled and assembled, and a bend in the bend header can be conveniently disassembled and overhauled.
Description
Technical field
The invention belongs to petroleum refining and petrochemical industry, relate generally to a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure.
Background technology
The convection chamber header box of pipe type heating stove of petroleum refining and petrochemical industry, header box and end face crossbeam junction generally adopt Welding Structure.As shown in Figure 1: header box welds a block plate 3 at convection cell end face crossbeam 1H shaped steel lower flange place, is welded with gusset 2 and plays booster action between crossbeam 1 and steel plate 3.Between crossbeam 1 and steel plate 3, adopt Type of Welding to connect.Steel plate 3 inboards are lined with certain thickness castable 4 and play effect of heat insulation.This header box adopts Welding Structure with being connected of end face crossbeam, and header box and end face crossbeam place are non-dismountable, are not easy to overhaul the elbow in header box.
As can be seen here, above-mentioned existing convection chamber header box of pipe type heating stove, in structure and use, obviously still has inconvenience and defect, and is urgently further improved.Therefore how to found a kind of a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure of new structure, also becoming the current industry utmost point needs improved target.
Summary of the invention
The object of the invention is to, overcome the defect that existing convection chamber header box of pipe type heating stove exists, and provide a kind of a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure of new structure, technical problem to be solved is to make its header box can accomplish integral demounting and installation, be convenient to the elbow in field-strip header box, be very suitable for practicality.
The object of the invention to solve the technical problems is to adopt following technical scheme to realize.A kind of convection chamber header box of pipe type heating stove and the end face beam connecting structure that propose according to the present invention, comprising: crossbeam, gusset, angle steel, bolt, nut, pad, ceramic fibre strip, steel plate, castable; Described crossbeam and described angle steel are fixed; Described steel plate is near the fixed angle steel in end face crossbeam one end and be arranged at castable top; Bolt, nut, the pad for angle steel at described end face crossbeam side and header box side two places are connected; In the middle of described two angle steel, be provided with ceramic fibre strip;
Object of the present invention and solve its technical problem and can also be further achieved by the following technical measures.
Aforesaid a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure, is characterized in that being shaped as of crossbeam is I-shaped.
Aforesaid a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure, is characterized in that both sides angle steel assemblage gap is 2mm-4mm.
Aforesaid a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure, is characterized in that being provided with ceramic fibre strip in the middle of two angle steel.
Aforesaid a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure, is characterized in that header box energy integral demounting or installation.
Aforesaid a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure, is characterized in that fixed multiple gussets between crossbeam and angle steel.
The present invention compared with prior art has obvious advantage and beneficial effect.From above technology contents, for achieving the above object, the invention provides a kind of convection chamber header box of pipe type heating stove and end face beam connecting structure, comprising: crossbeam, gusset, angle steel, bolt, nut, pad, ceramic fibre strip, steel plate, castable; Described crossbeam and described angle steel are fixed; Described steel plate is near the fixed angle steel in end face crossbeam one end and be arranged at castable top; Bolt, nut, the pad for angle steel at described end face crossbeam side and header box side two places are connected; In the middle of described two angle steel, be provided with ceramic fibre strip;
The present invention is for petroleum refining convection chamber header box of pipe type heating stove and end face beam connecting structure, and header box is connected employing bolt arrangement with end face crossbeam, rather than adopts Welding Structure.Header box and end face crossbeam junction structure with bolts.On convection cell crossbeam shaped steel, weld angle steel, between crossbeam and angle steel, weld some gussets and play booster action.Header box side is welded angle steel near end face crossbeam one end at steel plate.On the angle steel of end face crossbeam and header box both sides, join auger shell keyhole, use bolt, nut, pad that end face crossbeam side is connected with header box side.Both sides angle steel assemblage gap 2-4mm, adopts ceramic fibre strip sealing in order to avoid reveals in the middle of two angle steel.Header box is realized and being connected by angle steel and bolt, nut, pad with end face crossbeam, is to dismantle take ceramic fibre strip as the structure on both sides, boundary, so that the elbow in maintenance header box.
By technique scheme, a kind of convection chamber header box of pipe type heating stove of the present invention at least has following advantages and beneficial effect with end face beam connecting structure: header box is realized and being connected by angle steel and bolt, nut, pad with end face crossbeam, to dismantle take ceramic fibre strip as the structure on both sides, boundary, so that the elbow in maintenance header box.In the time will dismantling header box, only need by hold-down bolt pine to a certain extent, move along the direction of header box by handle.Header box can be accomplished integral demounting and installation.
Above-mentioned explanation is only the general introduction of technical solution of the present invention, in order to better understand technological means of the present invention, and can be implemented according to the content of description, and for above and other object of the present invention, feature and advantage can be become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
Fig. 1 is general convection chamber header box of pipe type heating stove and end face beam connecting structure schematic diagram.
1: crossbeam 2: gusset
3: steel plate 4: castable
Fig. 2 is novel convection chamber header box of pipe type heating stove and end face beam connecting structure schematic diagram.
1: crossbeam 2: gusset
3: angle steel 4: bolt
5: nut 6: pad
7: ceramic fibre strip 8: steel plate
9: castable
The specific embodiment
Technological means and effect of taking for reaching predetermined goal of the invention for further setting forth the present invention, below in conjunction with accompanying drawing and preferred embodiment, to a kind of convection chamber header box of pipe type heating stove and its specific embodiment of end face beam connecting structure, structure, feature and effect thereof of proposing according to the present invention, be described in detail as follows.
Refer to shown in Fig. 1, Fig. 2, Fig. 1 is general convection chamber header box of pipe type heating stove and end face beam connecting structure schematic diagram.Fig. 2 is novel convection chamber header box of pipe type heating stove and end face beam connecting structure schematic diagram.
A kind of convection chamber header box of pipe type heating stove provided by the invention and end face beam connecting structure, comprising:
Crossbeam 1, gusset 2, angle steel 3, bolt 4, nut 5, pad 6, ceramic fibre strip 7, steel plate 8, castable 9;
Described crossbeam 1 is fixed with described angle steel 3; Described steel plate 8 is near the end face crossbeam 1 fixed angle steel 3 in one end and be arranged at castable 9 tops;
The angle steel 3 use bolts 4 at described end face crossbeam side and header box side two places, nut 5, pad 6 are connected;
In the middle of described two angle steel 3, be provided with ceramic fibre strip 7;
By reference to the accompanying drawings 2, specific embodiments of the invention are described
Better carry out the installation and removal that header box can be overall for the ease of elbow service work in header box.On convection cell crossbeam 1 shaped steel, weld angle steel 3, header box side is welded angle steel 3 at steel plate 8 near end face crossbeam 1 one end, and angle steel 3 use bolts 4, nut 5, the pad 6 at end face crossbeam side and header box side two places are connected.In the middle of two angle steel 3, filling ceramic fibre strip 7 seals.Adopt bolt to realize the connection of header box and end face crossbeam.
The present invention is for petroleum refining convection chamber header box of pipe type heating stove and end face beam connecting structure, and header box is connected employing bolt arrangement with end face crossbeam, rather than adopts Welding Structure.
Header box and end face crossbeam junction structure with bolts.On convection cell crossbeam 1 shaped steel, weld angle steel 3, between crossbeam 1 and angle steel 3, weld some gussets 2 and play booster action.Header box side is welded angle steel 3 at steel plate 8 near end face crossbeam 1 one end.
On the angle steel 3 of end face crossbeam and header box both sides, join auger shell keyhole, use bolt 4, nut 5, pad 6 that end face crossbeam side is connected with header box side.Both sides angle steel assemblage gap 2-4mm, adopts ceramic fibre strip 7 seal in order to avoid reveal in the middle of two angle steel 3.
Header box is realized and being connected by angle steel 3 and bolt 4, nut 5, pad 6 with end face crossbeam, is to dismantle, so that the elbow in maintenance header box take ceramic fibre strip 7 as the structure on both sides, boundary.In the time will dismantling header box, only need by hold-down bolt pine to a certain extent, move along the direction of header box by handle.Header box can be accomplished integral demounting and installation.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, although the present invention discloses as above with preferred embodiment, but not in order to limit the present invention, any those skilled in the art, do not departing within the scope of technical solution of the present invention, when can utilizing the structure of above-mentioned announcement and technology contents to make a little change or being modified to the equivalent embodiment of equivalent variations, but every content that does not depart from technical solution of the present invention, any simple modification of above embodiment being done according to technical spirit of the present invention, equivalent variations and modification, all still belong in the scope of technical solution of the present invention.
Claims (6)
1. convection chamber header box of pipe type heating stove and an end face beam connecting structure, is characterized in that comprising: crossbeam (1), gusset (2), angle steel (3), bolt (4), nut (5), pad (6), ceramic fibre strip (7), steel plate (8), castable (9);
Described crossbeam (1) is fixed with described angle steel (3); Described steel plate (8) is near the fixed angle steel in end face crossbeam (1) one end (3) and be arranged at castable (9) top;
Bolt (4), nut (5), the pad (6) for angle steel (3) at described end face crossbeam side and header box side two places are connected;
In the middle of described two angle steel (3), be provided with ceramic fibre strip (7).
2. a kind of convection chamber header box of pipe type heating stove as claimed in claim 1 and end face beam connecting structure, is characterized in that being shaped as of crossbeam (1) is I-shaped.
3. a kind of convection chamber header box of pipe type heating stove as claimed in claim 1 and end face beam connecting structure, is characterized in that both sides angle steel assemblage gap is 2mm-4mm.
4. a kind of convection chamber header box of pipe type heating stove as claimed in claim 1 and end face beam connecting structure, is characterized in that being provided with ceramic fibre strip (7) in the middle of two angle steel (3).
5. a kind of convection chamber header box of pipe type heating stove as claimed in claim 1 and end face beam connecting structure, is characterized in that header box energy integral demounting or installation.
6. a kind of convection chamber header box of pipe type heating stove as claimed in claim 1 and end face beam connecting structure, is characterized in that fixed multiple gussets (2) between crossbeam (1) and angle steel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009472.9A CN103851909B (en) | 2013-01-10 | 2013-01-10 | A kind of convection chamber header box of pipe type heating stove and end face beam connecting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310009472.9A CN103851909B (en) | 2013-01-10 | 2013-01-10 | A kind of convection chamber header box of pipe type heating stove and end face beam connecting structure |
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| Publication Number | Publication Date |
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| CN103851909A true CN103851909A (en) | 2014-06-11 |
| CN103851909B CN103851909B (en) | 2015-10-07 |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091408U (en) * | 1991-06-14 | 1991-12-25 | 大庆石油化工设计院 | Elbow pipe chest door device for reheating furnace |
| CN2583590Y (en) * | 2002-12-13 | 2003-10-29 | 上海常华光纤通信设备有限公司 | Optical fibre predrying device |
| CN201203365Y (en) * | 2008-03-27 | 2009-03-04 | 洛阳瑞昌石油化工设备有限公司 | Low temperature flue gas anti-dew point corrosion energy-saving heat exchanger |
| CN201262476Y (en) * | 2008-07-25 | 2009-06-24 | 中国石油化工集团公司 | Convection chamber header box of pipe type heating stove |
| CN202171096U (en) * | 2011-08-02 | 2012-03-21 | 中国石油化工集团公司 | Sealing thermal-insulating structure on an exit and an entrance of a conversion section furnace tube |
| CN203240892U (en) * | 2013-01-10 | 2013-10-16 | 洛阳瑞泽石化工程有限公司 | Connection structure of bend box of tube-type heating furnace convection chamber and end face cross beam |
-
2013
- 2013-01-10 CN CN201310009472.9A patent/CN103851909B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2091408U (en) * | 1991-06-14 | 1991-12-25 | 大庆石油化工设计院 | Elbow pipe chest door device for reheating furnace |
| CN2583590Y (en) * | 2002-12-13 | 2003-10-29 | 上海常华光纤通信设备有限公司 | Optical fibre predrying device |
| CN201203365Y (en) * | 2008-03-27 | 2009-03-04 | 洛阳瑞昌石油化工设备有限公司 | Low temperature flue gas anti-dew point corrosion energy-saving heat exchanger |
| CN201262476Y (en) * | 2008-07-25 | 2009-06-24 | 中国石油化工集团公司 | Convection chamber header box of pipe type heating stove |
| CN202171096U (en) * | 2011-08-02 | 2012-03-21 | 中国石油化工集团公司 | Sealing thermal-insulating structure on an exit and an entrance of a conversion section furnace tube |
| CN203240892U (en) * | 2013-01-10 | 2013-10-16 | 洛阳瑞泽石化工程有限公司 | Connection structure of bend box of tube-type heating furnace convection chamber and end face cross beam |
Non-Patent Citations (1)
| Title |
|---|
| 吴立志: "乙烯裂解炉设计中防泄漏方法的研究", 《工业炉》, 31 December 2002 (2002-12-31), pages 37 - 41 * |
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| CN103851909B (en) | 2015-10-07 |
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Application publication date: 20140611 Assignee: Hebei Sheng Teng Chemical Co., Ltd. Assignor: Luoyang Ruize Petrochemical Engineering Co., Ltd. Contract record no.: 2017990000049 Denomination of invention: Connecting structure for bend header and end face beam of convection chamber of tube heating furnace Granted publication date: 20151007 License type: Exclusive License Record date: 20170208 |
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