CN100467950C - Grate with altitude difference on top - Google Patents
Grate with altitude difference on top Download PDFInfo
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- CN100467950C CN100467950C CNB2007100924457A CN200710092445A CN100467950C CN 100467950 C CN100467950 C CN 100467950C CN B2007100924457 A CNB2007100924457 A CN B2007100924457A CN 200710092445 A CN200710092445 A CN 200710092445A CN 100467950 C CN100467950 C CN 100467950C
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- fire grate
- grate segment
- boss
- groove
- rubbish
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Abstract
The present invention relates to a fire grate segment whose top surface has height difference. The structure of said fire grate segment is characterized by that in the tail end of its undersurface a fastening grove is cut, and said fastening groove is used for fixing tail portion, in the front end of its upper surface a projection is set, the upper surface of rear portion of said projection is a surface which is symmetrical set along width direction and has a certain height difference. Said fire grate segment can make the garbage always be in loose state, and can make the garbage obtain full combustion in the garbage incinerator.
Description
Technical field
The invention belongs to the fire grate segment of the critical component incineration furnace grate system of solid waste incineration processing, specifically, relate to the incineration furnace grate sheet of domestic waste.
Background technology
The most important parts of incinerator are the incineration furnace grate systems, are fire grate segments and constitute the most basic unit of fire grate system, and the difference of fire grate segment directly influences the structure and the performance of fire grate system.The incineration furnace grate system is responsible for the interior rubbish of stove and transports, and improves rubbish and Air mixing and disturbance degree simultaneously, improves efficiency of combustion.
Existing polytype now burning fire grate comes out especially so-called reciprocating type burning fire grate.The fire grate segment of reciprocal grate form overlaps regularly as roof sheet tile, forms the supporter of incineration firing.Fire grate segment that can seesaw and fixed grate film interleaved, its relative motion cause that rubbish is to forward and backward motion.On reciprocating type promotion fire grate, waste layer is by continuous upset and stirring consumingly, makes waste layer loose repeatedly and rearrange.
At present, it is low that Chinese rubbish has a calorific value, and characteristics such as moisture height are stabilized in 850 ° more than the c for guaranteeing the incinerator outlet temperature, need pile up sufficiently high rubbish on fire grate.Therefore, require the fire grate segment whole rubbish bed of material that can overturn fully, stirs and loosen, to shorten drying time, to improve efficiency of combustion.Simultaneously, owing to Chinese house refuse water content height, complicated component, easily clump together, form piece when causing drying garbage and burning.Therefore also require fire grate segment to reduce that rubbish is agglomerating, the possibility of caking, the rubbish diplomatic corps in enough fully contacts with wind energy, drying is abundant, completing combustion, to reduce hot burn decrement rate.
Through the development of last 100 years, though multiple version has appearred in fire grate segment, fire grate segment is the following problem of still normal appearance in use:
1. existing fire grate segment end face is the plane, and the single fire grate of being made up of such fire grate segment also is the identical plane of horizontal direction height simultaneously.Under nature, rubbish does not have relative motion trend at the fire grate system horizontal direction, has increased the possibility that rubbish is agglomerating, lump.
2. when fire grate moves, only stir and the rubbish that loosens at longitudinal direction, not obvious to the rubbish influence of horizontal direction, fire grate segment is to the stirring and the loose DeGrain of the whole rubbish bed of material.
3. in addition, in fire grate when motion,, rubbish does not have further at horizontal direction and falls, and fire grate does not have extruding, breaks up effect the rubbish of horizontal direction simultaneously.Therefore fire grate segment is broken up DeGrain to the rubbish of conglomeration, one-tenth piece.
Summary of the invention
The purpose of this invention is to provide the fire grate segment that there is difference in height in a kind of end face, solving fire grate does not have extruding, breaks up the problem of effect the rubbish of horizontal direction.
Technical scheme of the present invention is as follows: there is the fire grate segment of difference in height in a kind of end face, constitute rectangular plate by upper surface, bottom surface, leading flank, trailing flank, left surface, right flank, bottom at fire grate segment is provided with ventilation slot, tail end in the bottom surface has the fixing draw-in groove of using of afterbody, its main points are: the front end at described upper surface is provided with a boss, and the upper surface at this boss rear is by the symmetrically arranged surface that difference in height is arranged of width; This surface arises from described boss rear end, terminates in trailing flank; The bottom surface that is positioned at described draw-in groove the place ahead is for to match with the upper surface that is positioned at the boss rear, and the opposite face of difference in height direction; Be provided with air outlet on the back bevel of described boss, this air outlet communicates with the ventilation slot of bottom.
Fire grate segment of the present invention, when static, the rugged upper surface at the boss on the fire grate segment and its rear can make and be placed on that rubbish is in instability and rarefaction on the fire grate segment, reduced the possibility that rubbish is agglomerating, lump, during the motion of fire grate segment and rubbish, the difference in height of fire grate segment end face also can increase the motion drop of rubbish broad ways, the instability of the aggravation rubbish bed of material is broken up, is loosened thereby be convenient to rubbish.After end face exists the fire grate segment of difference in height to be assembled into fire grate system, not only can produce along the influence of rubbish direct motion, the direction of driving in the wrong direction the rubbish bed of material in the incinerator, also can the rubbish bed of material of incinerator width be exerted an influence, realization to the rubbish bed of material in the incinerator omnibearing break up, loosen, stirring and mixed effect, improve drying, the efficiency of combustion of rubbish.
A preferred version of the present invention is: the middle part of described upper surface broad ways is provided with protruding beam, and this protruding beam one end links to each other with described boss, and the other end is concordant with trailing flank; Have in described bottom surface can the described protruding beam of suit groove, described protruding beam is corresponding with the protruding beam groove of bottom surface, all is positioned on the line of symmetry of width of fire grate segment.There is difference in height in the design upper surface like this, is beneficial to and is placed on that rubbish is in instability and rarefaction all the time on the fire grate segment, has reduced that rubbish is agglomerating, the possibility of caking; Stack mutually between fire grate segment before and after guaranteeing simultaneously, the protruding beam that the groove of superincumbent fire grate segment entangles following fire grate segment slides.Described protruding beam rear end face is rounded down, can be not dry and astringent when moving back and forth between two fire grate segments when making its slip.
Another preferred version of the present invention is: described upper surface is pressed high right low or left low right high setting the in a line of symmetry left side of width; The bottom surface that is positioned at described draw-in groove the place ahead is for to match with described upper surface, and the opposite cascaded surface of height direction.Also there is difference in height in the design upper surface like this, not only make and be placed on that rubbish is in instability and rarefaction all the time on the fire grate segment, reduced the possibility that rubbish is agglomerating, lump, and fire grate segment stacks mutually before and after being beneficial to, and the ladder of the ladder of superincumbent fire grate segment upper surface and following fire grate segment bottom surface fits and moves reciprocatingly.
Described fire grate segment all is drilled with the bolt hole that connects usefulness between the fire grate segment at left surface and right flank.The Fast Installation of being convenient to fire grate segment is fixed and is dismantled, and the gap that compensation screening both sides occur is in certain impaction state all the time to guarantee fire grate segment, connects reliably, can prevent that also lime-ash from entering air compartment and leak out.
Described boss can adopt various forms, the boss outer surface can be surrounded by a cambered surface, also can be made of 2 inclined-planes, can also be that 5 faces of symmetric design are trapezium structure, and preferred version 1 is that the outer surface of boss is surrounded by 5～7 inclined-planes, the angle of each inclined-plane and horizontal plane is unequal, intersecting lens forms blade between the inclined-plane, and the shape of whole boss is upward little, and is big down, inswept, the polyhedron that the rear end is wide.Preferred version 2 is that boss is made taper type, and at the middle part of frustum end face fluting, the center line of this groove and is positioned at the front of protruding beam on the line of symmetry of the width of fire grate segment, and the bottom land of frustum end face is equal to or higher than protruding top surface of the beam.Above-mentioned two schemes can utilize the blade of different angles direction effectively to cut rubbish when motion, go up little, big down, inswept, hard foreign matter is avoided in rear end wide energy " initiatively ", the resistance that reduces to move, and rubbish had well push effect aside, fire grate segment can be enlarged to the stirring effect of rubbish in short transverse.
The present invention compared with prior art, have characteristics such as novel, simple in structure, that enforcement is easy, the difference in height that inactive state fire grate segment end face exists can make the rubbish that is placed on the fire grate segment be in instability and rarefaction all the time, has reduced the possibility that rubbish is agglomerating, lump; Motion state can be aggravated the instability of the rubbish bed of material, is convenient to rubbish and breaks up, loosens.In conjunction with multi-edge convex, can reach the rubbish bed of material omnibearingly break up, loosen, stirring and mixed effect, thereby improve drying, the efficiency of combustion of rubbish.
Description of drawings
Fig. 1 is the front view of the embodiment of the invention 1;
Fig. 2 is the vertical view of Fig. 1;
Fig. 3 is the left view of Fig. 1;
Fig. 4 is the A-A cutaway view of Fig. 1;
Fig. 5 is the front view of the embodiment of the invention 2;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the left view of Fig. 5;
Fig. 8 is the A-A cutaway view of Fig. 5.
The specific embodiment
Embodiment 1
See also Fig. 1, Fig. 2, Fig. 3, Fig. 4, the described fire grate segment of present embodiment, constitute rectangular plate by upper surface 1, bottom surface 2, leading flank 3, trailing flank 4, left surface 5, right flank 6, wherein, be provided with ventilation slot 11 in the bottom of fire grate segment, it is fixing with draw-in groove 8 that 2 tail end has afterbody in the bottom surface, is provided with a boss 7 at the front end of described upper surface 1, and the upper surface 1 at these boss 7 rears is for by the symmetrically arranged surface that difference in height is arranged of width; As shown in Figure 1, the middle part of this upper surface broad ways is provided with protruding beam 12, and these protruding beam 12 1 ends link to each other with described boss 7, and the other end is concordant with trailing flank 4; Have in the bottom surface 2 in these draw-in groove 8 the place aheads can the described protruding beam 12 of suit groove 13, described protruding beam 12 is corresponding with the protruding beam groove 13 of bottom surface 2, all is positioned on the line of symmetry of width of fire grate segment.At the protruding beam 12 rear end faces R that is rounded down.The outer surface of described boss 7 is surrounded by 7 inclined-planes, and the angle of each inclined-plane and horizontal plane is unequal, and intersecting lens forms blade between the inclined-plane, and the shape of whole boss 7 is upward little, and is big down, inswept, the polyhedron that the rear end is wide.Be provided with air outlet 9 on the back bevel of described boss 7, this air outlet 9 communicates with the ventilation slot 11 of bottom 2; Described fire grate segment left surface 5, right flank 6 all are drilled with the bolt hole 10 that connects usefulness between the fire grate segment.
Pass the bottom surface fixed card slot 8 of fire grate segment with crossbeam, make its fixing fire grate plate that forms, fire grate plate stack in front and back forms burns fire grate.All form jagged supporting surface in length, width, three directions of height, the rubbish bed of material has been produced omnibearing stirring, cuts, breaks up, loosened and mixed effect.
See also Fig. 5, Fig. 6, Fig. 7, Fig. 8, the described fire grate segment of present embodiment, by upper surface 1, bottom surface 2, leading flank 3, trailing flank 4, left surface 5, right flank 6 constitutes rectangular plate, wherein, be provided with ventilation slot 11 in the bottom of fire grate segment, it is fixing with draw-in groove 8 that 2 tail end has afterbody in the bottom surface, front end at described upper surface 1 is provided with a boss 7, the upper surface 1 at these boss 7 rears is by the symmetrically arranged surface that difference in height is arranged of width, the upper surface 1 that is boss 7 rears is by high right low or left low right high the setting (as Fig. 7 in the line of symmetry left side of width, shown in Figure 8), its cross section is stepped; This upper surface 1 arises from described boss 7 rear ends, terminates in trailing flank 4; The bottom surface 2 that is positioned at draw-in groove 8 the place aheads is for to match with upper surface 1, and the opposite cascaded surface of height direction.Described fire grate segment left and right side 5,6 all is drilled with the bolt hole 10 that connects usefulness between the fire grate segment.Described boss 7 is taper type, and at the middle part of frustum end face fluting, the center line of this groove and is positioned at the front of protruding beam on the line of symmetry of the width of fire grate segment, and the bottom land of frustum end face is equal to or higher than the end face of protruding beam 12.Be provided with air outlet 9 on the back bevel of boss 7, this air outlet 9 communicates with the ventilation slot 11 of bottom 2.
Claims (2)
1, there is the fire grate segment of difference in height in a kind of end face, constitute rectangular plate by upper surface (1), bottom surface (2), leading flank (3), trailing flank (4), left surface (5), right flank (6), be provided with ventilation slot (11) in the bottom of fire grate segment, it is fixing with draw-in groove (8) that the tail end of (2) has afterbody in the bottom surface, it is characterized in that: the front end at described upper surface (1) is provided with a boss (7), the upper surface (1) at this boss (7) rear is by the symmetrically arranged surface that difference in height is arranged of width, this upper surface arises from described boss (7) rear end, terminates in trailing flank (4); The bottom surface (2) that is positioned at described draw-in groove (8) the place ahead is for to match with upper surface (1), and the opposite face of difference in height direction; Be provided with air outlet (9) on the back bevel of described boss (7), this air outlet (9) communicates with the ventilation slot (11) of bottom (2); Described fire grate segment left and right side (5,6) all is drilled with the bolt hole (10) that connects usefulness between the fire grate segment; The middle part of described upper surface (1) broad ways is provided with protruding beam (12), and these protruding beam (12) one ends link to each other with described boss (7), and the other end is concordant with trailing flank (4); Described bottom surface (2) have can the described protruding beam of suit the groove (13) of (12), described protruding beam (12) is corresponding with the protruding beam groove (13) of bottom surface (2), all is positioned on the line of symmetry of width of fire grate segment; Described protruding beam (12) rear end face be rounded down (R).
2, there is the fire grate segment of difference in height in end face according to claim 1, it is characterized in that: described upper surface (1) is pressed high right low or left low right high setting the in a line of symmetry left side of width; The bottom surface (2) that is positioned at described draw-in groove (8) the place ahead is for to match with described upper surface (1), and the opposite cascaded surface of height direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100924457A CN100467950C (en) | 2007-07-18 | 2007-07-18 | Grate with altitude difference on top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100924457A CN100467950C (en) | 2007-07-18 | 2007-07-18 | Grate with altitude difference on top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101089471A CN101089471A (en) | 2007-12-19 |
| CN100467950C true CN100467950C (en) | 2009-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100924457A Expired - Fee Related CN100467950C (en) | 2007-07-18 | 2007-07-18 | Grate with altitude difference on top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100467950C (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101929681A (en) * | 2010-09-01 | 2010-12-29 | 重庆科技学院 | Two-section grate system |
| CN104534488B (en) * | 2015-01-08 | 2017-02-22 | 辽宁省兴城市特种铸钢有限公司 | Abrasion resisting fire grate segment |
| CN108278623A (en) * | 2017-01-06 | 2018-07-13 | 贵州中烟工业有限责任公司 | A kind of fire grate segment, fire grate and boiler |
| CN108716679B (en) * | 2018-06-20 | 2021-09-10 | 绿色动力环保集团股份有限公司 | Grate of reverse-pushing garbage incinerator and multi-drive reverse-pushing garbage incinerator |
| CN110925765B (en) * | 2019-12-13 | 2024-03-26 | 重庆科技学院 | Multi-blade multi-tooth composite movable fire grate segment |
| CN112902202B (en) * | 2021-02-02 | 2022-07-01 | 重庆电力高等专科学校 | Labyrinth air passage type fire grate anti-blocking structure |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142999A (en) * | 1991-05-17 | 1992-09-01 | Axxon Corporation | Incinerator with fluid-cooled hearth |
| CN2343526Y (en) * | 1998-03-27 | 1999-10-13 | 魏山俊 | Horizontal atmospheric water boiler |
| CN2408359Y (en) * | 2000-01-14 | 2000-11-29 | 伞天宝 | Refuse incinerating boiler |
-
2007
- 2007-07-18 CN CNB2007100924457A patent/CN100467950C/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5142999A (en) * | 1991-05-17 | 1992-09-01 | Axxon Corporation | Incinerator with fluid-cooled hearth |
| CN2343526Y (en) * | 1998-03-27 | 1999-10-13 | 魏山俊 | Horizontal atmospheric water boiler |
| CN2408359Y (en) * | 2000-01-14 | 2000-11-29 | 伞天宝 | Refuse incinerating boiler |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101089471A (en) | 2007-12-19 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: CHONGQING SANFENG COVANTA ENVIRONMENTAL INDUSTRY Co.,Ltd. Assignor: Chongqing University of Science & Technology Contract fulfillment period: 2009.9.17 to 2029.9.16 Contract record no.: 2009500000010 Denomination of invention: Grate with altitude difference on top Granted publication date: 20090311 License type: Exclusive license Record date: 20090922 |
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| LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2009.9.17 TO 2029.9.16; CHANGE OF CONTRACT Name of requester: CHONGQING SANFENG COVANTA ENVIRONMENT INDUSTRY CO. Effective date: 20090922 |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090311 Termination date: 20210718 |
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| CF01 | Termination of patent right due to non-payment of annual fee |