CN206669791U - It is a kind of to be provided with the hot-flow flue for improving sectional shelf-unit - Google Patents
It is a kind of to be provided with the hot-flow flue for improving sectional shelf-unit Download PDFInfo
- Publication number
- CN206669791U CN206669791U CN201720356042.8U CN201720356042U CN206669791U CN 206669791 U CN206669791 U CN 206669791U CN 201720356042 U CN201720356042 U CN 201720356042U CN 206669791 U CN206669791 U CN 206669791U
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- CN
- China
- Prior art keywords
- hot
- flow flue
- cross member
- guiding trestle
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Rod-Shaped Construction Members (AREA)
Abstract
Boiler hot air channel technical field is the utility model is related to, it is specifically a kind of to be provided with the hot-flow flue for improving sectional shelf-unit, it is characterised in that：Described support includes fixed support, guiding trestle, truss, and described truss includes：Bottom girder, cross member, column, entablature, intersection brace, length direction of some props along bottom girder are arranged on the upper surface of the cross member of the truss；Wherein, the supporting structure being connected, which is set, with the upper surface weldering of cross member forms fixed support, the supporting structure for being placed on the upper surface of cross member forms guiding trestle, and described guiding trestle corresponds to and angle steel is respectively equipped with the radial direction both ends of the hot-flow flue body of bearing of institute, described angle steel forms the radial limiting device of hot-flow flue body；Described guiding trestle is arranged between two fixed supports.The utility model compared with prior art, employs truss structure, can reliably constrain the expansion of hot-flow flue and its compensator, thoroughly solves the problem that hot-flow flue branch is hung.
Description
Technical field
Boiler hot air channel technical field is the utility model is related to, it is specifically a kind of to be provided with the hot blast for improving sectional shelf-unit
Road.
Background technology
The hot-flow flue of station boiler belongs to " six " of boiler, is the important component of boiler air and gas system, and design is difficult
Spend larger.In conventional engineering, it is limited to the reason for hot-flow flue arranges limitation, Hanger Design level, hot-flow flue overall security
Not high, compensator is drawn bad phenomenon to occur repeatedly.To find out its cause, hot-flow flue, particularly heat primary air road is largely arranged in
Below girder steel, blind flange force caused by metal compensator 61 substantially is offset by the horizontal force of rigid hanger 64, due to rigid hanger
64 pull bar 65 can deflect when hot-flow flue body 6 has displacement, cause compensator to produce unplanned deformation so as to draw
It is bad, have a strong impact on the safe operation of boiler.Conventional hot blast road arrangement, as shown in FIG. 1 to 3.
Most of heat primary air road is arranged in the operating layer of boiler below 62 it can be seen from Fig. 1, hot-flow flue herein
When body wants mount support " helpless ", it can only be designed to take root in the rigid hanger 64 on the girder steel 66 of operating layer 62, by
It is 0 in the horizontal rigidity of rigid hanger 64, the deformation to the unplanned direction of compensator does not almost have effect of contraction, compensator be present
The bad danger leaked out is drawn, jeopardizes the safe operation of unit, referring to Fig. 2.Even if the support for fixing its horizontal force has been done in some places
With support 63, but its be typically also use be fixed on from boiler both sides some existing columns remotely with fixed triangle support come
Realize, due to distant, so the material consumed of trivet is with regard to more.
Utility model content
The purpose of this utility model is overcome the deficiencies in the prior art, and solving hot-flow flue branch using truss hangs problem, and will
The fixed support set on truss is supported on the bottom of hot-flow flue to overcome blind flange force.
Above-mentioned purpose is realized, design is a kind of to be provided with the hot-flow flue for improving sectional shelf-unit, including the compensation of hot-flow flue body, metal
Device, support, it is characterised in that described support includes fixed support, guiding trestle, truss, and described truss includes：
--- cross member, the opposite surface side of its foundation beam of both ends vertical connection two, length of the described cross member along bottom girder
The uniform some formation train track-like in direction；
--- column, provided with some, it is respectively perpendicular on the bottom girder for being distributed on both sides；
--- entablature, provided with some to be parallel to each other, its both ends connects the top of corresponding two root posts respectively；
--- intersect brace, including the overall brace intersected in " ten " word, its 4 terminations are connected to adjacent
At the upper and lower side of two root posts；
Length direction of some props along bottom girder is arranged on the upper surface of the cross member of the truss；Wherein, with bottom
The supporting structure that the upper surface weldering of crossbeam sets connection forms fixed support, and the supporting structure for being placed on the upper surface of cross member is formed
Guiding trestle, and described guiding trestle corresponds to and is respectively equipped with angle steel at the radial direction both ends of the hot-flow flue body of bearing of institute, institute
The angle steel stated forms the radial limiting device of hot-flow flue body；Described guiding trestle is arranged between two fixed supports；
Described prop includes being welded on bottom plate above cross member, supporting plate, the top surface of the supporting plate successively
It is fitted in the bottom of hot-flow flue body, the top surface of the supporting plate is in circular arc to agree with the shape of the bottom of hot-flow flue body at this
Shape.
Resilient sleeper-bearing is provided between described supporting plate and hot-flow flue body.
Ribbed stiffener is provided between the upper surface of the lateral wall of described supporting plate and the bottom plate of corresponding position.
Described column is fixedly connected between brace with intersecting using connecting plate.
Described intersection brace is formed using two braces are welded into cruciform shape, or uses four oblique pulls
Bar be welded on respectively rhombic plate it is diagonal on form.
Spacing d, described d=2~3mm are provided between described angle steel and bottom plate.
Described guiding trestle is at least provided with two.
The utility model compared with prior art, employs truss structure, can reliably constrain hot-flow flue and its compensation
The expansion of device, thoroughly solve the problem that hot-flow flue branch is hung, ensure the long-term safe operation of hot-flow flue, there is cheap, work
Reliably, outstanding advantages of easy for installation, internal pressure self-balancing.
Brief description of the drawings
Fig. 1 is the partial schematic diagram of conventional hot blast road arrangement.
Fig. 2 be Fig. 1 described in A-A to schematic diagram.
Fig. 3 is the schematic diagram of B-B direction described in Fig. 1.
Fig. 4 is structural representation of the present utility model.
Fig. 5 be in Fig. 4 C-C to the schematic diagram at fixed support.
Fig. 6 be in Fig. 4 D-D to the schematic diagram at guiding trestle.
Embodiment
The utility model is described further in conjunction with accompanying drawing.
Referring to Fig. 4~Fig. 6, it is a kind of be provided with improve sectional shelf-unit hot-flow flue, including hot-flow flue body, metal compensator,
Support, it is characterised in that：Described support includes fixed support, guiding trestle, truss, and described truss includes：
--- bottom girder 1, provided with two, it is separately positioned on hot-flow flue body down either side and along the length of hot-flow flue body
Direction is arranged；
--- cross member 7, the opposite surface side of its foundation beam 1 of both ends vertical connection two, described cross member 7 is along bottom girder 1
The uniform some formation train track-like of length direction；
--- column 2, provided with some, it is respectively perpendicular on the bottom girder 1 for being distributed on both sides；
--- entablature 3, provided with some to be parallel to each other, its both ends connects the top of corresponding two root posts 2 respectively
End；
--- intersect brace 4, including the overall brace intersected in " ten " word, its 4 terminations are connected to adjacent
Two root posts 2 upper and lower side at；Intersection brace 4 described in this example is welded into cruciform shape using by two braces
Form, or using four braces be welded on respectively rhombic plate 14 it is diagonal on form.
Length direction of some props along bottom girder 1 is arranged on the upper surface of the cross member 7 of the truss；Wherein, with
The supporting structure that the upper surface weldering of cross member 7 sets connection forms fixed support, is placed on the support knot of the upper surface of cross member 7
Guiding trestle 12 is configured to, and is set respectively at the radial direction both ends of the hot-flow flue body of described bearing of the corresponding institute of guiding trestle 12
There is angle steel 13, described angle steel 13 forms the radial limiting device of hot-flow flue body, makes hot-flow flue body herein can only be along it
Axial movement；Described guiding trestle 12 is arranged between two fixed supports；
Described prop includes being welded on bottom plate 11, the supporting plate 9 of the top of cross member 7 successively, the supporting plate 9
Top surface is fitted in the bottom of hot-flow flue body 6, and the top surface of the supporting plate 9 is in circular arc to agree with the bottom of hot-flow flue body at this
The shape in portion.
In the utility model, fixed support is in addition to by the vertical load of hot-flow flue body 6, also by opposite direction blind
Plate power, in engineering design, blind flange force in opposite direction equal in magnitude can cancel each other, and such blind flange force translates into
The internal force for the sectional shelf-unit that truss and fixed support are formed, boiler steel structure will not receive any extra to be produced by blind flange force
Raw power or torque.In addition, the space in truss above hot-flow flue body, still installs other pipelines or cable testing bridge,
To make full use of space.
Further, resilient sleeper-bearing 8 is provided between described supporting plate 9 and hot-flow flue body 6, to carry out the buffering of power and prevent
Only wear.
Further, ribbed stiffener 10 is provided between the lateral wall of described supporting plate 9 and the upper surface of bottom plate 11 of corresponding position, is added
Strong support strength.
Further, described column 2 is fixedly connected between brace 4 with intersecting using connecting plate 5, to increase joint face,
Convenient construction.
Further, spacing d, described d=2~3mm are provided between described angle steel 13 and bottom plate 11.
Further, described guiding trestle 12 is at least provided with two.
Claims (7)
1. a kind of be provided with the hot-flow flue for improving sectional shelf-unit, including hot-flow flue body, metal compensator, support, it is characterised in that：
Described support includes fixed support, guiding trestle, truss, and described truss includes：
--- bottom girder (1), provided with two, it is separately positioned on hot-flow flue body down either side and along the length side of hot-flow flue body
To arrangement；
--- cross member (7), the opposite surface side of its foundation beam (1) of both ends vertical connection two, described cross member (7) is along bottom girder
(1) the uniform some formation train track-like of length direction；
--- column (2), provided with some, it is respectively perpendicular on the bottom girder (1) for being distributed on both sides；
--- entablature (3), provided with some to be parallel to each other, its both ends connects the top of corresponding two root posts (2) respectively；
--- intersect brace (4), including the overall brace intersected in " ten " word, its 4 terminations are connected to adjacent
At the upper and lower side of two root posts (2)；
Length direction of some props along bottom girder (1) is arranged on the upper surface of the cross member (7) of the truss；Wherein, with
The supporting structure that the upper surface weldering of cross member (7) sets connection forms fixed support, is placed on the support of the upper surface of cross member (7)
Structure forms guiding trestle (12), and at the radial direction both ends of the hot-flow flue body of bearing of described guiding trestle (12) corresponding institute
Angle steel (13) is respectively equipped with, described angle steel (13) forms the radial limiting device of hot-flow flue body；Described guiding trestle
(12) it is arranged between two fixed supports；
Described prop includes being welded on bottom plate (11) above cross member (7), supporting plate (9), the supporting plate successively
(9) top surface is fitted in the bottom of hot-flow flue body (6), and the top surface of the supporting plate (9) is in circular arc to agree with hot blast at this
The shape of the bottom of road body.
A kind of 2. hot-flow flue for being provided with improvement sectional shelf-unit as claimed in claim 1, it is characterised in that：Described supporting plate
(9) resilient sleeper-bearing (8) is provided between hot-flow flue body (6).
A kind of 3. hot-flow flue for being provided with improvement sectional shelf-unit as claimed in claim 1, it is characterised in that：Described supporting plate
(9) ribbed stiffener (10) is provided between lateral wall and the upper surface of the bottom plate (11) of corresponding position.
A kind of 4. hot-flow flue for being provided with improvement sectional shelf-unit as claimed in claim 1, it is characterised in that：Described column (2)
It is fixedly connected with intersecting using connecting plate (5) between brace (4).
A kind of 5. hot-flow flue for being provided with improvement sectional shelf-unit as claimed in claim 1, it is characterised in that：Described intersection oblique pull
Two braces are welded into cruciform shape and formed by bar (4) use, or are welded on rhombic plate respectively using four braces
(14) formed on diagonal.
A kind of 6. hot-flow flue for being provided with improvement sectional shelf-unit as claimed in claim 1, it is characterised in that：Described angle steel (13)
Spacing d, described d=2~3mm are provided between bottom plate (11).
A kind of 7. hot-flow flue for being provided with improvement sectional shelf-unit as claimed in claim 1, it is characterised in that：Described guiding trestle
(12) at least provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720356042.8U CN206669791U (en) | 2017-04-06 | 2017-04-06 | It is a kind of to be provided with the hot-flow flue for improving sectional shelf-unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720356042.8U CN206669791U (en) | 2017-04-06 | 2017-04-06 | It is a kind of to be provided with the hot-flow flue for improving sectional shelf-unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206669791U true CN206669791U (en) | 2017-11-24 |
Family
ID=60367799
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720356042.8U Expired - Fee Related CN206669791U (en) | 2017-04-06 | 2017-04-06 | It is a kind of to be provided with the hot-flow flue for improving sectional shelf-unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206669791U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469721A (en) * | 2019-08-19 | 2019-11-19 | 上海市隧道工程轨道交通设计研究院 | A kind of assembled anti-knock suspension and support |
| CN110878945A (en) * | 2020-01-19 | 2020-03-13 | 哈尔滨锅炉厂有限责任公司 | Limiting device and limiting method for burnout air duct |
-
2017
- 2017-04-06 CN CN201720356042.8U patent/CN206669791U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469721A (en) * | 2019-08-19 | 2019-11-19 | 上海市隧道工程轨道交通设计研究院 | A kind of assembled anti-knock suspension and support |
| CN110878945A (en) * | 2020-01-19 | 2020-03-13 | 哈尔滨锅炉厂有限责任公司 | Limiting device and limiting method for burnout air duct |
| CN110878945B (en) * | 2020-01-19 | 2021-09-10 | 哈尔滨锅炉厂有限责任公司 | Limiting device and limiting method for burnout air duct |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20171124 |