CN102381524A - Coal hopper bearing device - Google Patents
Coal hopper bearing device Download PDFInfo
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- CN102381524A CN102381524A CN2011103426943A CN201110342694A CN102381524A CN 102381524 A CN102381524 A CN 102381524A CN 2011103426943 A CN2011103426943 A CN 2011103426943A CN 201110342694 A CN201110342694 A CN 201110342694A CN 102381524 A CN102381524 A CN 102381524A
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- coal bunker
- coal
- insulation layer
- shock insulation
- bearing
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Abstract
The invention provides a coal hopper (coal bunker) bearing device. The coal hopper bearing device comprises a coal hopper support, a coal hopper bearing beam, and a vibration isolating layer, wherein the coal hopper support is connected with a coal hopper and used for bearing the weight of the coal hopper; the coal hopper bearing beam is connected with the coal hopper support, and is fixed on a frame between coal bunkers; and the vibration isolating layer is arranged between the coal hopper bearing beam and the coal hopper support and can be reset. The coal hopper (coal bunker) bearing structure is optimized, horizontal seismic force generated by the coal hopper and stored coal under the action of an earthquake is reduced, and the damage of the seismic force to the coal hopper is prevented.
Description
Technical field
The present invention relates to the large-scale thermal power technical field, particularly a kind of coal bunker (coal bunker) bearing set.
Background technology
Now general large-size thermal power plant coal bunker comprise coal weight weigh the hundreds of ton on kiloton; Coal under the earthquake operating mode in coal bunker and the coal bunker can produce bigger horizontal force; Bigger at high earthquake intensity area earthquake horizontal force, will bring very big difficulty to the aseismic design of coal bunker self and bunker bay structure like this.On the one hand, the bunker bay structure must be provided with bigger pillar and beam so that bear this horizontal force, and on the other hand, coal bunker self needs enough modes such as wall thickness and bears this seismic force.Under extreme case,, when coal bunker is very heavy, the bunker bay structural seismic can occurs and calculate and to pass through if earthquake intensity is very big.
Therefore, this area presses for to develop and a kind ofly can be arranged on the high area of earthquake intensity, has novel coal bunker bearing set shockproof, isolating affection.
Summary of the invention
The object of the present invention is to provide a kind of coal bunker bearing set, this installation optimization the coal bunker supporting structure, reduced the horizontal seismic force that coal bunker and coal storage produce under geological process, prevented the destruction of earthquake to coal bunker.
Coal bunker bearing set provided by the invention comprises:
The coal bunker bearing, said coal bunker bearing is connected with coal bunker, is used to carry the weight of coal bunker;
The coal bunker support beam, said coal bunker supporting fine strain of millet is fixed on the bunker bay framework;
Shock insulation layer, said shock insulation layer are arranged between coal bunker supporting fine strain of millet and the coal bunker bearing, and said shock insulation layer can reset.
In another preference, said shock insulation layer is selected from following arbitrary or combination: rubber pad, spring or damper.
In another preference, said coal bunker bearing is shelved on the said coal bunker supporting fine strain of millet through the shock insulation layer.
In another preference, said coal bunker bearing and said shock insulation layer are through bolt or be welded to connect.
In another preference, the shock insulation layer is 4-8.
In another preference, the bearing capacity of said shock insulation layer is 100～1000 tons.
In another preference, the thickness of said shock insulation layer is 200～1000mm.
In another preference, also be provided with the shock insulation layer on the said coal bunker supporting fine strain of millet.
In another preference, the cross section of said coal bunker support beam is H type, box or rectangle.
Preferably, coal bunker supporting fine strain of millet is formed from steel, and the cross section is H type or box, and the coal bunker support beam is processed by ferro-concrete, and the cross section is a rectangle.
In another preference, said coal bunker bearing is a rectangle or approximate rectangular.
In another preference, said coal bunker support beam is processed by steel or ferro-concrete.
In another preference, said coal bunker is steel coal hopper or ferro-concrete coal bunker.
In should be understood that within the scope of the present invention, above-mentioned each technical characterictic of the present invention and hereinafter can mutual combination between specifically described each technical characterictic in (like embodiment), thus constitute new or optimized technical scheme.As space is limited, this tired no longer one by one stating.
Description of drawings
Fig. 1 is the structural representation of coal bunker bearing set one preferred implementation of the present invention.
The specific embodiment
The contriver is through go deep into and extensive studies for a long time; Coal in the coal bunker and coal bunker can produce bigger horizontal force under the earthquake operating mode from solving; Vertical power that coal bunker produces and horizontal force all pass to coal bunker supporting fine strain of millet through bearing; Act on the structure that reaches coal bunker self on the bunker bay framework, the aseismic design of coal bunker self and bunker bay structure is brought very big difficulty.The present invention is optimized the coal bunker supporting structure, has reduced the horizontal seismic force that coal bunker and coal storage produce under geological process, has prevented the destruction of earthquake to coal bunker, makes coal bunker need not pass through particular design and promptly can be applicable to the high earthquake intensity of earthquake area.Accomplished the present invention on this basis.
Term
Coal bunker (coal bunker): the end that the former coal bunker of large-size thermal power plant is positioned at coal handling system links to each other with the feeder of coal mill, is responsible for continuous coal supply.Coal bunker top is the steel structure silo, and the bottom is turbination or hyperbola steel funnel.
The coal bunker bearing: the part of coal bunker, the weight of bearing all coal bunkers and coal storage, and link to each other with the coal bunker supporting structure is given the weight transmitting of coal bunker and coal storage on the coal bunker supporting structure such as bunker bay beam column.
Shock insulation layer: be provided with between construction of structures basis, bottom or bearing bottom section and the topside and form shock insulation layer with integral reset function by parts such as rubber earthquake isolation support and damping arrangements; To prolong the natural vibration period of total system; Reduce the horizontal earthquake action of input topside, reach the shockproof requirement of expection.
Bunker bay: thermal powerplant is placed the building of coal bunker or equipment such as coal store, coal mill.
Only if definition separately, employed all specialties are identical with the meaning that scientific words and one skilled in the art are familiar with in the literary composition.In addition, any with the institute similar content of putting down in writing or the equalization method and material all can be applicable in the inventive method.The usefulness that preferable implementation method described in the literary composition and material only present a demonstration.
Below will combine accompanying drawing that preferred embodiments of the present invention is elaborated, understand the object of the invention, characteristics and advantage so that more know.Should be understood that these embodiment only to be used to the present invention is described and be not used in the restriction scope of the present invention.
Embodiment
The structural representation of coal bunker bearing set one preferred implementation of the present invention, as shown in Figure 1.
This coal bunker bearing set comprises:
Coal bunker bearing 1, coal bunker bearing 1 is connected with coal bunker 2, is used to carry the weight of coal bunker 2;
Coal bunker support beam 3, fine strain of millet 3 is fixed on the bunker bay framework (not shown) in the coal bunker supporting;
Shock insulation layer 4, coal bunker bearing 1 is shelved on the coal bunker supporting fine strain of millet 3 through shock insulation layer 4, and said shock insulation layer can reset.
Shock insulation layer 4 can reduce the horizontal seismic force that acts on the coal bunker supporting fine strain of millet 3, and the impact of the generation during the buffering earthquake reaches the effect of shock insulation.And shock insulation layer 4 also can prevent the destruction (like steel coal hopper flexing, cracking of ferro-concrete coal bunker or the like) of seismic force to coal bunker 2 self structure when reducing seismic force, and this is high regional necessary of seismic fortification intensity.The existence of shock insulation layer 4 can also be adjusted the natural vibration period of whole bunker bay structure, thereby reduces the seismic force of whole bunker bay.In the present invention; Shock insulation layer 4 is arranged between coal bunker supporting fine strain of millet 3 and the coal bunker bearing 1, because shock insulation layer 4 is processed by soft or elastic material, the connection mode between coal bunker bearing 1 and the coal bunker supporting fine strain of millet 3 is for flexibly connecting; Under seismic force effects; Coal bunker 2 can not produce relative displacement owing to rigidly fixing with bunker bay, and displacement makes the acceleration/accel of seismic force reduce greatly, thereby reaches the purpose that reduces seismic impact.Shock insulation layer 4 with reset function can return to original state with the coal bunker integral structure after earthquake finishes, guaranteed the integrally-built safety of bunker bay.The material of the present invention and coal bunker 2 is irrelevant, is fit to various coal bunker materials such as steel coal hopper, ferro-concrete coal bunker.In addition, be appreciated that shock insulation layer 4 can captive joint with coal bunker bearing 1, also can support fine strain of millet 3 and captive joint with coal bunker.
Said shock insulation layer 4 is selected from following arbitrary or combination: rubber pad, spring or damper.Rubber pad is simple in structure, and is easy for installation, and cooperation requires low, can reach the effect of bumper and absorbing shock.In some other embodiment of the present invention, also can adopt spring, damper etc. as the shock insulation layer.Spring has more selectivity, can select the parameter of spring according to different regions to the requirement of shock resistance.Damper also can reach identical isolating affection, and the power that can also be born to the coal bunker support more accurately simultaneously calculates the stroke of coal bunker.
Said coal bunker bearing 1 is shelved on the said coal bunker supporting fine strain of millet 3 through shock insulation layer 4.Owing to adopt the mode of shelving between shock insulation layer 4 and the coal bunker supporting fine strain of millet 3, be i.e. fix between shock insulation layer 4 and the coal bunker supporting fine strain of millet 3.When seismic force effects, have more displacement space between shock insulation layer 4 and the coal bunker supporting fine strain of millet 3, can better cushion seismic force, certainly, will limit this moment to the shift length of coal bunker 2, in order to avoid destroy the safety of bunker bay single-piece.In addition, be appreciated that shock insulation layer 4 also can support fine strain of millet 3 with coal bunker and captive joint, can adopt the mode of bolt or welding to fix.
Said coal bunker bearing 1 and said shock insulation layer 4 are through bolt or be welded to connect; In large-scale thermal electric generation occasion; Bolt has higher reliability and safety with welding; Connection than other modes has higher load-carrying capacity, reaches in coal bunker weight under the situation of the supreme kiloton of hundreds of ton, need take the connection mode of safety and reliability.In some other embodiment of the present invention, can also adopt connection modes such as nut.
Shock insulation layer 4 is 4-8, and preferably, shock insulation layer 4 is 8; A plurality of shock insulation layers 4 can reduce the horizontal seismic force that under geological process coal bunker 2 and coal storage produce; Compare with single shock insulation layer 4, a plurality of shock insulation layers 4 can reduce seismic force on a plurality of directions and angle; This can reach better damping effect high regional necessary of seismic fortification intensity.In addition, be appreciated that shock insulation layer 4 also can have the damping anti seismic efficiency for 3 or other numbers equally.
Also be provided with shock insulation layer 4 on the said coal bunker supporting fine strain of millet 3.The structure of double-deck shock insulation layer 4 has better damping performance with respect to individual layer shock insulation layer 4 structure; Horizontal force is through the double buffering of shock insulation layer 4; Can horizontal impact be reduced to below 1/4 of original earthquake horizontal force; The acceleration/accel that earthquake is produced is able to reduce greatly, thereby has improved damping effect greatly.Simultaneously, also be provided with the natural vibration period that shock insulation layer 4 can prolong the total system on the coal bunker supporting fine strain of millet 3, the horizontal seismic force of total self also can reduce accordingly, reaches better shockproof requirement.
The bearing capacity of shock insulation layer 4 is 100～1000 tons, and the thickness of shock insulation layer 4 is 200～1000mm.Adopt the shock insulation layer 4 of this parameter to come damping, through the antidetonation simulated experiment, can damping more than 70%, can be applied in 9 grades of earthquake areas.
Said coal bunker 2, coal bunker support beam 3 are processed by steel or ferro-concrete.The cross section of said coal bunker support beam 3 is that H type, box or rectangle, coal bunker bearing 1 are rectangle.Preferably, coal bunker supporting fine strain of millet 3 is formed from steel, and the cross section is H type or box, and coal bunker support beam 3 is processed by ferro-concrete, and the cross section is a rectangle.H type, box and rectangle have advantages of high bearing capacity, and generally speaking, the coal bunker supporting fine strain of millet cross section that steel is processed is H type or box, and the coal bunker supporting fine strain of millet cross section that ferro-concrete is processed is a rectangle.In addition, be appreciated that in some other embodiment of the present invention, also can adopt coal bunker bearing 1, coal bunker 2 and coal bunker supporting fine strain of millet 3 trapezoidal, O type prismatic shapes.
The invention has the advantages that:
1. can reduce the horizontal seismic force that coal bunker and coal storage produce under geological process, reach the effect of shock insulation.
2. can prevent the destruction (like the steel coal hopper flexing, ferro-concrete coal bunker cracking etc.) of coal bunker self structure.
3. can adjust the natural vibration period of whole bunker bay structure, thereby reduce the seismic force of whole bunker bay.
The above-mentioned characteristic that the present invention mentions, or the characteristic that embodiment mentions can combination in any.All characteristics that this case specification sheets is disclosed can with any composition forms and usefulness, each characteristic that is disclosed in the specification sheets can anyly provide the alternative characteristics of identical, impartial or similar purpose to replace.Therefore removing has special version, the characteristic that is disclosed to be merely the general example of equalization or similar features.
All documents in that the present invention mentions are all quoted as a reference in this application, are just quoted such as a reference separately as each piece document.Should be understood that in addition after having read above-mentioned teachings of the present invention, those skilled in the art can do various changes or modification to the present invention, these equivalent form of values fall within the application's appended claims institute restricted portion equally.
Claims (10)
1. a coal bunker bearing set is characterized in that, comprising:
The coal bunker bearing, said coal bunker bearing is connected with coal bunker, is used to carry the weight of coal bunker;
The coal bunker support beam, said coal bunker supporting fine strain of millet is fixed on the bunker bay framework;
Shock insulation layer, said shock insulation layer are arranged between coal bunker supporting fine strain of millet and the coal bunker bearing, and said shock insulation layer can reset.
2. hod device according to claim 1 is characterized in that, said shock insulation layer is selected from following arbitrary or combination: rubber pad, spring or damper.
3. hod device according to claim 1 is characterized in that, said coal bunker bearing is shelved on the said coal bunker supporting fine strain of millet through the shock insulation layer.
4. coal bunker bearing set according to claim 1 is characterized in that, said coal bunker bearing and said shock insulation layer are through bolt or be welded to connect.
5. hod device according to claim 1 is characterized in that, said shock insulation layer is 4-8.
6. coal bunker bearing set according to claim 1 is characterized in that, also is provided with the shock insulation layer on the said coal bunker supporting fine strain of millet.
7. coal bunker bearing set according to claim 1 is characterized in that, the bearing capacity of said shock insulation layer is 100～1000 tons.
8. coal bunker bearing set according to claim 1 is characterized in that, the thickness of said shock insulation layer is 200～1000mm.
9. coal bunker bearing set according to claim 1 is characterized in that, the cross section of said coal bunker support beam is H type, box or rectangle; Said coal bunker bearing is a rectangle.
10. coal bunker bearing set according to claim 1 is characterized in that, said coal bunker, coal bunker support beam are processed by steel or ferro-concrete.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110342694 CN102381524B (en) | 2011-11-03 | 2011-11-03 | Coal hopper bearing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110342694 CN102381524B (en) | 2011-11-03 | 2011-11-03 | Coal hopper bearing device |
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| Publication Number | Publication Date |
|---|---|
| CN102381524A true CN102381524A (en) | 2012-03-21 |
| CN102381524B CN102381524B (en) | 2013-12-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201110342694 Active CN102381524B (en) | 2011-11-03 | 2011-11-03 | Coal hopper bearing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075033A (en) * | 2013-02-22 | 2013-05-01 | 中国电力工程顾问集团东北电力设计院 | Rubber seat supported steel coal bucket system |
Citations (6)
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| JPH03152301A (en) * | 1989-11-08 | 1991-06-28 | Babcock Hitachi Kk | Aseismatic supporting for coal-burning boiler |
| CN1478967A (en) * | 2002-08-27 | 2004-03-03 | 洪 杨 | Composite device of building vibration isolation layer |
| CN2685419Y (en) * | 2004-03-16 | 2005-03-16 | 广州大学 | Sandwich rubber antivibrating support |
| CN1715574A (en) * | 2005-06-30 | 2006-01-04 | 安徽工业大学 | Slide type multiple dimension shock-proof device |
| JP2006096353A (en) * | 2004-09-28 | 2006-04-13 | Tsukishima Kikai Co Ltd | Method and device for feeding powdery and granular material |
| CN202321316U (en) * | 2011-11-03 | 2012-07-11 | 中国电力工程顾问集团华东电力设计院 | Coal hopper supporting device |
-
2011
- 2011-11-03 CN CN 201110342694 patent/CN102381524B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03152301A (en) * | 1989-11-08 | 1991-06-28 | Babcock Hitachi Kk | Aseismatic supporting for coal-burning boiler |
| CN1478967A (en) * | 2002-08-27 | 2004-03-03 | 洪 杨 | Composite device of building vibration isolation layer |
| CN2685419Y (en) * | 2004-03-16 | 2005-03-16 | 广州大学 | Sandwich rubber antivibrating support |
| JP2006096353A (en) * | 2004-09-28 | 2006-04-13 | Tsukishima Kikai Co Ltd | Method and device for feeding powdery and granular material |
| CN1715574A (en) * | 2005-06-30 | 2006-01-04 | 安徽工业大学 | Slide type multiple dimension shock-proof device |
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Non-Patent Citations (2)
| Title |
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| 《武汉大学学报（工学版）》 20100831 白雪娟 隔震支座在电厂煤斗结构中的应用 参见摘要第1-4行，正文第3段第4-6行，第4-5段，表1 4,6,8 第43卷, * |
| 白雪娟: "隔震支座在电厂煤斗结构中的应用", 《武汉大学学报（工学版）》, vol. 43, 31 August 2010 (2010-08-31) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103075033A (en) * | 2013-02-22 | 2013-05-01 | 中国电力工程顾问集团东北电力设计院 | Rubber seat supported steel coal bucket system |
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| CN102381524B (en) | 2013-12-25 |
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Owner name: CHINA POWER ENGINEERING CONSULTING GROUP EAST CHIN Free format text: FORMER NAME: HUABEI POWER DESIGN INST., CHINA POWER ENGINEERING CONSULTING GROUP |
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| CP01 | Change in the name or title of a patent holder |
Address after: 200063 Wuning Road, Shanghai, No. 409, No. Patentee after: Co., Ltd of Huabei Power Design Inst., China Power Engineering Consulting Group Address before: 200063 Wuning Road, Shanghai, No. 409, No. Patentee before: Huabei Power Design Inst., China Power Engineering Consulting Group |