CN104266166A - Boiler bottom supporting structure - Google Patents
Boiler bottom supporting structure Download PDFInfo
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- CN104266166A CN104266166A CN201410499235.XA CN201410499235A CN104266166A CN 104266166 A CN104266166 A CN 104266166A CN 201410499235 A CN201410499235 A CN 201410499235A CN 104266166 A CN104266166 A CN 104266166A
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Abstract
The invention discloses a boiler bottom supporting structure. The boiler bottom supporting structure comprises a horizontal rigid beam (1), a vertical beam (2), a vertical truss (4), three layers of horizontal trusses (5), a supporting and suspending device (6) and a facade truss (7); the horizontal rigid beam (1) is arranged under a second boiler bottom pipe wall (9); the vertical beam (2) is arranged on the lower part of the horizontal rigid beam (1), and supports (3-1, 3-2, 3-3 and 3-5) are arranged on one side of the vertical beam (2); the three layers of horizontal trusses (5) are arranged in the height direction of the boiler bottom, and connecting rods (4-1, 4-2 and 4-3) are arranged between the horizontal trusses (5); the facade truss (7) is arranged between the horizontal trusses (5) and the vertical beam (2); the vertical truss (4) is composed of the connecting rods (4-1, 4-2 and 4-3), the facade truss (7), the supports (3-1, 3-2, 3-3 and 3-5) on one side of the vertical beam (2), and the vertical beam (2); the supporting and suspending device (6) is connected to the outer side of the whole space truss by use of a cantilever beam (8).
Description
Technical field
The present invention relates to a kind of boiler bottom supporting construction.
Background technology
As shown in Figure 1, in subcritical boiler, in order to support the first boiler bottom pipe wall 8Y, generally put several and pipe wall horizontal beam 1Y in vertical direction along floor tube wall paper.Horizontal beam is fixedly connected with the vertical beam 2Y arranged along floor tube wall, and vertical beam side is by link supports, and horizontal support member 3Y one end connects vertical beam 7Y, and vertical beam 7Y is arranged between two-layer horizontal stiffness beam; Skewed horizontal load part 4Y, 5Y one end is connected to bottom header; Vertical support member 6Y one end connects horizontal tube wall.
After adopting this structure, the load (as deadweight, furnace pressure, dust stratification weight etc.) acted on the first boiler bottom pipe wall 8Y just can pass to vertical beam 2Y by horizontal beam 1Y, and then be delivered to horizontal support 3Y, skewed horizontal load 4Y, 5Y and vertical support 6Y respectively by vertical beam 2Y, and act on horizontal stiffness beam, header and furnace hearth level pipe wall respectively by vertical beam 7Y.Like this, arrange the supporting construction shown in multiple tracks Fig. 1 along furnace bottom width, whole first boiler bottom pipe wall 8Y just can effectively be supported, and ensure that the safety of floor tube wall in boiler operatiopn.
But this kind of supporting construction can only be applicable to furnace bottom when arranging header and horizontal tube wall as load point, simultaneously for furnace bottom load is passed to upper furnace pipe wall, suspension and support must be added at header top, if floor tube wall cannot meet above-mentioned condition, the supporting construction in Fig. 1 just cannot be suitable for.
Summary of the invention
The object of the invention is to solve furnace bottom without the problem being difficult to when the load points such as header, pipe wall support, provide that a kind of support effect is good, sound construction, furnace bottom supporting construction applied widely.
In order to achieve the above object, the invention provides a kind of boiler bottom supporting construction,
Comprise horizontal stiffness beam 1, vertical beam 2, vertical trusses 4, three layers of horizontal truss 5, device for hoisting 6, facade truss 7;
Horizontal stiffness beam 1 is located at below the second boiler bottom pipe wall 9;
The lower flange that described vertical beam 2 is close to horizontal stiffness beam 1 is arranged, the lower flange of vertical beam 2 has multiple tracks diagonal brace 3-1,3-2,3-3,3-5 to support, and wherein a diagonal brace 3-5 acts on boiler bottom header;
Vertical trusses 4 is made up of jointly bearing diagonal 3-1,3-2,3-3,3-5 of connecting rod 4-1,4-2,4-3, facade truss 7, vertical beam 2 side and vertical beam 2;
Along three layers of horizontal truss 5 that short transverse is arranged;
Furnace tube wall arranged just beneath facade truss 7; The device for hoisting 6 by Cantilever Beams connection 8 is provided with outside whole space truss.
Present invention also offers a kind of boiler bottom supporting construction, wherein, the top flange of horizontal stiffness beam (1) is stuck on boiler bottom pipe wall 9;
Described three layers of horizontal truss 5, are connected and composed by the beam 5-1 that winds up, lower-cord beam 5-2, diagonal brace 5-3, vertical web rod 5-4, are provided with connecting rod 4-1,4-2,4-3 between horizontal truss 5, and lower layer of water plane frame work is provided with connecting rod 3-4 and is connected with boiler bottom header;
Described facade truss 7 is arranged between horizontal truss 5 and vertical beam 2, by upper strata string beam 7-1, in, lower floor string beam 5-1, facade batter brace 7-2 and connecting rod 4-2 connects and composes, wherein, lower floor string beam 5-1 is the beam that winds up in three layers of horizontal truss 5, and upper strata string beam 7-1 is connected with the beam 5-1 that winds up in horizontal truss 5 by facade batter brace 7-2, connecting rod 4-2.
Original vertical beam lower support is replaced with space truss structure by the present invention, furnace bottom support place without header as load point time, furnace bottom load passes to device for hoisting by truss, and boiler bottom pipe wall is better supported, sound construction, applied widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of the boiler supports structure of background technology;
Fig. 2 is the structural representation of a kind of boiler bottom supporting construction provided by the invention;
Fig. 3 is the A-A sectional view of a kind of boiler bottom supporting construction Fig. 2 provided by the invention;
Fig. 4 is the B-B sectional view of a kind of boiler bottom supporting construction Fig. 2 of the present invention.
Detailed description of the invention
For making the present invention become apparent, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
As shown in Figure 2, be the structural representation of a kind of boiler bottom supporting construction provided by the invention.First arrange multiple tracks horizontal stiffness beam 1 along the second boiler bottom pipe wall 9, the top flange of horizontal stiffness beam 1 is stuck on boiler bottom pipe wall 9; Vertical beam 2 is arranged in the lower flange being close to horizontal stiffness beam 1, and the lower flange of vertical beam has multiple tracks diagonal brace to support, and be respectively 3-1,3-2,3-3,3-5, wherein 3-5 acts on boiler bottom header; Three layers of horizontal truss 5 are furnished with along boiler bottom short transverse; Lower layer of water plane frame work is provided with connecting rod 3-4 and is connected with boiler bottom header; Facade truss 7 is set between horizontal truss 5 and vertical beam 2, sees view A-A; Arrange between three layers of horizontal truss 5 that diagonal brace 4-1 and connecting rod 4-2 forms vertical trusses 4; Vertical trusses 4 planar outboard connects a device for hoisting 6 by Cantilever Beams 8.
As shown in Figure 3, be the A-A sectional view of Fig. 2, indicate facade truss 7, facade truss 7 by upper strata string beam 7-1, in, lower floor string beam 5-1, diagonal brace 7-2 and connecting rod 4-2 connects and composes, and Qi Zhongzhong, lower floor string beam 5-1 are the beam that winds up in three layers of horizontal truss 5.Upper strata string beam 7-1 is connected with the beam 5-1 that winds up in horizontal truss 5 by diagonal brace 7-2, connecting rod 4-2.
As shown in Figure 4, be the B-B sectional view of Fig. 2, indicate horizontal truss 5, connected and composed by the beam 5-1 that winds up, lower-cord beam 5-2, diagonal brace 5-3, vertical web rod 5-4.
Boiler bottom ramp effect load (as deadweight, furnace pressure, dust stratification weight etc.) passes to vertical beam 2 by horizontal beam 1, horizontal truss 5 is passed to again by diagonal brace 3-1,3-2,3-3, act on boiler bottom header by vertical support 3-5, connecting rod 3-4 utilizes header to provide skewed horizontal load to horizontal truss; Boiler bottom corner position vertical direction load action is in facade truss 7; By whole space truss structure, the load of boiler bottom is finally delivered on a device for hoisting 6 smoothly.
Claims (2)
1. a boiler bottom supporting construction, is characterized in that:
Comprise horizontal stiffness beam (1), vertical beam (2), vertical trusses (4), three layers of horizontal truss (5), device for hoisting (6), facade truss (7);
Horizontal stiffness beam (1) is located at below the second boiler bottom pipe wall (9);
The lower flange that described vertical beam (2) is close to horizontal stiffness beam (1) is arranged, the lower flange of vertical beam (2) has multiple tracks diagonal brace (3-1,3-2,3-3,3-5) to support, and wherein a diagonal brace (3-5) acts on boiler bottom header;
Vertical trusses (4) is made up of with vertical beam (2) jointly the bearing diagonal (3-1,3-2,3-3,3-5) of connecting rod (4-1,4-2,4-3), facade truss (7), vertical beam (2) side;
Along three layers of horizontal truss (5) that short transverse is arranged;
Furnace tube wall arranged just beneath facade truss (7); The device for hoisting (6) being connected (8) by Cantilever Beams (8) is provided with outside whole space truss.
2. a kind of boiler bottom supporting construction as claimed in claim 1, is characterized in that:
The top flange of horizontal stiffness beam (1) is stuck on boiler bottom pipe wall (9);
Described three layers of horizontal truss (5), connected and composed by the beam that winds up (5-1), lower-cord beam (5-2), diagonal brace (5-3), vertical web rod (5-4), be provided with connecting rod (4-1,4-2,4-3) between horizontal truss (5), lower layer of water plane frame work is provided with connecting rod (3-4) and is connected with boiler bottom header;
Described facade truss (7) is arranged between horizontal truss (5) and vertical beam (2), by upper strata string beam (7-1), in, lower floor's string beam (5-1), facade batter brace (7-2) and connecting rod (4-2) connect and compose, wherein, lower floor string beam (5-1) is the beam that winds up in three layers of horizontal truss (5), and upper strata string beam (7-1) is connected with the beam that winds up (5-1) in horizontal truss (5) by facade batter brace (7-2), connecting rod (4-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499235.XA CN104266166B (en) | 2014-09-25 | 2014-09-25 | Boiler bottom supporting construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410499235.XA CN104266166B (en) | 2014-09-25 | 2014-09-25 | Boiler bottom supporting construction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104266166A true CN104266166A (en) | 2015-01-07 |
| CN104266166B CN104266166B (en) | 2016-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410499235.XA Active CN104266166B (en) | 2014-09-25 | 2014-09-25 | Boiler bottom supporting construction |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078039A (en) * | 2016-06-28 | 2016-11-09 | 上海锅炉厂有限公司 | Overturning-preventing support means |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241804A (en) * | 1998-02-25 | 1999-09-07 | Toshiba Eng Co Ltd | Supporting structure |
| CN202100030U (en) * | 2011-01-14 | 2012-01-04 | 中国电力工程顾问集团华东电力设计院 | Integration system of main plant and boiler frame |
| CN202769632U (en) * | 2012-07-16 | 2013-03-06 | 上海锅炉厂有限公司 | A boiler support structure |
| CN203147728U (en) * | 2013-02-05 | 2013-08-21 | 上海锅炉厂有限公司 | Connecting structure of boiler body outer protective plate and rigid beam |
| CN103556862A (en) * | 2013-10-29 | 2014-02-05 | 中国电力工程顾问集团华东电力设计院 | Multitubular suspension type chimney liner supporting structural system |
-
2014
- 2014-09-25 CN CN201410499235.XA patent/CN104266166B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11241804A (en) * | 1998-02-25 | 1999-09-07 | Toshiba Eng Co Ltd | Supporting structure |
| CN202100030U (en) * | 2011-01-14 | 2012-01-04 | 中国电力工程顾问集团华东电力设计院 | Integration system of main plant and boiler frame |
| CN202769632U (en) * | 2012-07-16 | 2013-03-06 | 上海锅炉厂有限公司 | A boiler support structure |
| CN203147728U (en) * | 2013-02-05 | 2013-08-21 | 上海锅炉厂有限公司 | Connecting structure of boiler body outer protective plate and rigid beam |
| CN103556862A (en) * | 2013-10-29 | 2014-02-05 | 中国电力工程顾问集团华东电力设计院 | Multitubular suspension type chimney liner supporting structural system |
Non-Patent Citations (1)
| Title |
|---|
| 朱宝山等: "《锅炉安装手册》", 30 October 2009, 中国电力出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106078039A (en) * | 2016-06-28 | 2016-11-09 | 上海锅炉厂有限公司 | Overturning-preventing support means |
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| CN104266166B (en) | 2016-04-06 |
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