CN204693449U - A kind of combined type fixed grate - Google Patents
A kind of combined type fixed grate Download PDFInfo
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- CN204693449U CN204693449U CN201520320720.6U CN201520320720U CN204693449U CN 204693449 U CN204693449 U CN 204693449U CN 201520320720 U CN201520320720 U CN 201520320720U CN 204693449 U CN204693449 U CN 204693449U
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Abstract
The utility model belongs to garbage incinerating system field, is specifically related to a kind of combined type fixed grate.This fixed grate is made up of multiple fire grate unit can splicing jointly to be formed the burning face of advancing for rubbish and burning each other, this burning face is in the inclined plane structure be convenient to rubbish and advanced, and each fire grate unit is integral piece and its stitching direction is parallel and/or vertical garbage direct of travel is arranged; On the direct of travel of rubbish, often adjacent two fire grate unit of splicing each other form the affixed cooperation of bolt, on the vertical garbage direct of travel in the face of burning, have fit clearance between two often adjacent fire grate unit of splicing each other.This fixed grate cost performance is high, also can while guaranteeing the quick firing efficiency of rubbish, its service life of Synchronous lifting and functional reliability.
Description
Technical field
The utility model belongs to garbage incinerating system field, is specifically related to a kind of combined type fixed grate.
Background technology
In current garbage incineration technology, fixed grate formula incinerator is that wherein one applies garbage incinerating system very widely.As its name suggests, fixed grate formula incinerator utilizes fixing tabular row face to form the burning face of advancing for rubbish, rubbish enters the above-mentioned burning face under being tilted to by feed hopper, and rely on the stirring of special setting or push parts, rubbish is promoted downwards, make rubbish successively by the regional on fire grate, until after-flame discharges burner hearth.The common fixed grate for above-mentioned incinerator, all adopts the one piece configuration of rigidity.Consider its concrete size, during traditional fabrication, often adopt the higher welding manner of cost to carry out many fire grates plate split assembling.And it is well-known, welding process is a uneven heating process, the each position of weldment expand with heat and contract with cold and plastic deformation impact under the most easily produce internal stress, distortion or seminess, light then affect physical dimension accuracy, correct effect and good looking appearance degree are installed, also may reduce bearing capacity time serious, even cause the accident; And the stoker surface distortion etc. that the working environment that fixed grate is applied just has been full of high temperature, expands with heat and contract with cold, rubbish gravity causes, thus the practical application life-span of current fixed grate and ability to work is caused to can not show a candle to the design performance of expection.How to seek a kind of rational in infrastructure and fire grate CIU of practicality, while guaranteeing the quick firing efficiency of rubbish, can ensure again the steady operation ability of this fire grate and high service life, be the technical barrier that this area is urgently to be resolved hurrily in recent years.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, and provide a kind of rational in infrastructure and combined type fixed grate of practicality, its cost performance is high, also can while guaranteeing the quick firing efficiency of rubbish, its service life of Synchronous lifting and functional reliability.
For achieving the above object, the utility model have employed following technical scheme:
A kind of combined type fixed grate, it is characterized in that: this fixed grate is made up of multiple fire grate unit can splicing jointly to be formed the burning face of advancing for rubbish and burning each other, this burning face is in the inclined plane structure be convenient to rubbish and advanced, and each fire grate unit is integral piece and its stitching direction is parallel and/or vertical garbage direct of travel is arranged; On the direct of travel of rubbish, often adjacent two fire grate unit of splicing each other form the affixed cooperation of bolt, on the vertical garbage direct of travel in the face of burning, have fit clearance between two often adjacent fire grate unit of splicing each other.
Fire grate unit is provided with for avoiding burning face place lime-ash to fall into the seam cover plate in below row face along above-mentioned fit clearance, the parallel rubbish direct of travel of this seam cover plate plate length direction, its side plate end is fixed in the side edge for forming fit clearance of fire grate unit, and another side plate end postpones to hide above-mentioned fit clearance to side fire grate unit place.
The cross section of described seam cover plate is in " L " letter stencil shape or downward opening groove-like, the straight plate in its side or trough rim are fixed in the side side edge for forming fit clearance of fire grate unit, place above the straight plate of its opposite side or the trough rim side extending to the fire grate unit joined together of side in suspension shape and both have engagement height difference in vertical.
Each fire grate unit comprises each fire grate plate of the cubic tabular of arranging successively along rubbish direct of travel, and the upper and lower plate of fire grate plate is along equal vertical garbage direct of travel, and the plate face of each fire grate plate tilts jointly to form above-mentioned burning face with burning face tilt direction in the same way; The step that the layout of each fire grate plate highly successively reduces to form fire grate unit burns face structure; In the projection of vertical, the lower plate of a upper fire grate plate is along the upper plate side plate of next adjacent fire grate plate along being positioned on same projection line, or the lower plate of a upper fire grate plate is along the plate face projection being positioned at next fire grate plate; There is the air feed hole running through fire grate isostere in each adjacent fire grate plate plate body cooperation place; The fire grate back forming each fire grate unit is arranged for connecting and fixing reinforcement each other, and the arranged direction of this reinforcement at least intersects at rubbish direct of travel.
Seam cover plate is that the above-mentioned step face of burning of plate face and fire grate unit coincide the ladder plate body columnar structure of arranging.
Self superimposedly layout is hooked between the upper and lower edges of boards of the fire grate plate that matches of each adjacent fire grate unit, the end fire grate plate place of a described upper fire grate unit offers screwed hole, the head end fire grate plate place of next fire grate unit is corresponding offers the bolt hole running through its plate face, and both lap one another to form the affixed cooperation of bolt; Be furnished with deep gouge by the upper plate side plate of above-mentioned head end fire grate plate along postponing along its upper face, described deep gouge is multiple and arranges along this fire grate plate length direction interval, and this deep gouge forms aforementioned air feed hole.
Matching between upper and lower edges of boards of each adjacent fire grate plate of each fire grate unit self is superimposedly hooked layout, along place, same postponing along its upper face is furnished with deep gouge to the upper plate side plate of Gong the cooperation of above-mentioned corresponding fire grate plate, described deep gouge is multiple and arranges along this fire grate plate length direction interval, and this deep gouge forms above-mentioned air feed hole.
Described each fire grate plate length direction is horizontally disposed, and the plate face forming each fire grate plate of each fire grate unit is arranged with angular slope; Deep gouge is rectangular channel-shaped, its flute length direction parallel fire grate plate length direction, and the parallel each fire grate plate width in its groove width direction.
Described reinforcement comprises the waling arranged in the same way along rubbish direct of travel and the cross reinforcing arranged along fire grate unit transverse horizontal, described cross reinforcing to be located between each adjacent waling and affixed setting each other, and described cross reinforcing and waling form the net palisade reinforcing plate structure of reinforcement jointly.
Described fire grate unit offers the jogger hole passed through with jacking and the burning face of punching place waste layer for push rod, described jogger hole axis vertical also runs through the corresponding fire grate plate of fire grate unit, and jogger hole cross section is circular or oblate with the polygon of push rod shape adaptation or plum-shaped structure; Described each jogger hole offer the head end fire grate plate place that position is all positioned at corresponding fire grate unit.
On the direct of travel of rubbish, the jogger hole in adjacent fire grate unit each other position staggers setting; Described jogger hole profile in the sleeve-like configuration that postponed downwards by corresponding fire grate plate along vertical, the outer wall place of the above-mentioned section of postponing of jogger hole offer run through its wall body for mating holes affixed between push rod lining and external support structure.
Major advantage of the present utility model is as follows:
1), the utility model abandoned the fire grate of the solid welding structure of traditional employing because himself being subject to expand with heat and contract with cold and self-deformation impact, and many defects such as the such as internal stress caused, distortion and cracking.By being split as multiple fire grate unit, utilizing Integral design, adopting bolt affixed and spell by mode, final split is spirally connected integrally part.On the one hand, after it adopts Integral design, can continue to use the lower and ripe foundry engieering that operation is less of traditional cost, single mode can make, and standardization level is higher, and possesses extremely strong interchangeability.Occur structure problem such as wearing and tearing grade once certain part fire grate unit in use, its normal structure also can be utilized to change maintenance targetedly, and maintenance cost also can effectively be reduced.On the other hand, the employing of integral piece, himself working stress and be affected by thermal expansion and contraction very little.Even if when the amplitude of expanding with heat and contract with cold excessive and on the size of fire grate unit cause significantly affect time, also the part possessed can be coordinated to coordinate surplus and spell by the bolt between two fire grate unit completely and carry out self-on-line control by existing fit clearance, the service life of its system and service behaviour obviously can be promoted further.
2), in fact, in the utility model, need to bear and reconcile the situation of expanding with heat and contract with cold most, for along the spelling of vertical garbage direct of travel also namely between its each fire grate unit longitudinally arranged by structure.The fit clearance of above-mentioned spelling by being formed between structure, perfectly solves the extruding of row's in-plane stress and tension failure situation that cause because expanding with heat and contract with cold.Since and there is fit clearance, certainly will there is falling at the row face place of script light face structure grey gap; Therefore, the utility model is again by arranging seam cover plate, make to which form similar " screening tepetate " structure, thus play the situation avoiding the lime-ash of advancing along burning face to fall into below row face, its work is very reliable and stable, the ladder sticking type structure of collocation seam cover plate self, the plate face arragement direction of itself also can not have an impact to the actual burning of advancing of rubbish, achieves many things at one stroke.The concrete shape of seam cover plate is not limited only to said structure, only need meet and cover aforesaid fit clearance, just repeat no more herein.
3), as one of emphasis of the present utility model, the height differential fit structure of seam cover plate and adjacent fire grate unit is very necessary.This is because when rubbish is advanced along fixed grate row face, row face everywhere pressurized certainly will be uneven.May slightly to press down and to arrange face on the contrary normal on right side in fire grate unit row face, left side.Therefore, poor by above-mentioned engagement height, achieve reserved height and coordinate surplus, the perfect uneven row face caused of above-mentioned pressure that solves coordinates situation, and the final normal reliable work for whole fixed grate provides strong guarantee.
4), this fixed grate by with the same angular slope of some fire grate plate monoblocks, and forms corresponding air feed hole by deep gouge, with formed fire grate unit step structure; It not only ensure that rubbish is advanced along the accessible of isostere and burn, also naturally define simultaneously blowing direction and rubbish direct of travel almost air feed hole in the same way construct.The arrangement of air feed hole can be multiple, no matter be adopt whole long transverse groove structure or the short slot type layout of interruption, only need it to lie across and be covered with the above-mentioned step surface of isostere, rubbish one edge isostere is advanced and is constantly fallen and stirs, and is subject to constantly brushing and efficient burning of side air feed hole place and its direct of travel wind-force in the same way while falling.In addition, while above-mentioned air feed hole is formed, due to the head end cooperation place of each fire grate plate, also namely the air inlet of air feed hole is without any obstruction parts, and the wind-force that therefore can be applicable to any direction agitates object, to guarantee the optimization of air feed hole place's air-out wind-force.Even if there is the rubbish slag particle of dust granules shape, its along isostere face of burning advance and while constantly falling stand up at its step surface place, once just can be blown away rapidly by the high-speed wind power at this place near air feed hole, thus ensure that the smoothness of this place's air feed hole.Fire grate wind-force unimpeded, also just ensure that the constant and controllability of incineration temperature in whole CIU, and then also just improves its actual burning usefulness.
5), the concrete layout of reinforcement, coordinate the cross reinforcing of sandwiched to coordinate with the waling in whole road to be formed, strengthen structure with the total net grating forming reinforcement, to form bottom holder support to each fire grate unit, ensure and promote its actual working strength and service life.
6), the practical structures of jogger hole, depending on the push rod shape matched.It is to be noted, no matter this push rod adopts cylindrical bar or hollow square tube, or some other push rod structure, can from bottom to top act on for punching of burning face place waste layer when only need meet actual use, the visual scene of its concrete shape moves ahead and takes the circumstances into consideration to adopt, and just repeats no more herein.
7), jogger hole is clouded in fire grate unit with multiple.In other words, arrange according to normal matrix, push rod herein should form each row and respectively arrange the Rectangular Matrix structure of carrying out transverse and longitudinal layout, with realize for the rubbish spread all on fire grate burning face without dead angle perforation effect.For further promoting above-mentioned effect, the adjacent two row's jogger holes in fire grate unit should to stagger setting position each other.Like this, waste layer is burned in the traveling process of face on edge, and its each position all can be subject to pushing and punching effect of the push rod passed by jogger hole, finally realizes the highly-breathable of whole waste layer and high firing efficiency demand.
8), the telescoping structure of jogger hole, more meet the inserting for the push rod of outside and Stable sliding action needs between the two.And the mating holes that jogger hole is offered, not only achieve fire grate unit reliably fixing in whole incinerator, also can install for the push rod lining in jogger hole and provide guarantee.
Accompanying drawing explanation
Fig. 1 is the plan structure figure in burning face of the present utility model;
Fig. 2-3 is the row face structure chart of wherein a kind of embodiment of fire grate unit;
Fig. 4 is the cooperation schematic diagram of seam cover plate between two adjacent fire grate unit;
The side view that Fig. 5 is fire grate unit shown in Fig. 2-3;
Fig. 6-7 is the row face structure chart of the embodiment of the another kind band deep gouge of fire grate unit;
Fig. 8 is the side view of fire grate unit shown in Fig. 6-7.
In figure, the corresponding relation of each label and each toponym of the utility model is as follows:
10-fire grate unit 10a-stitches cover plate
11-fire grate plate
12-reinforcement 12a-waling 12b-cross reinforcing
13-deep gouge
14-jogger hole 14a-mating holes
Detailed description of the invention
For ease of understanding, composition graphs 1-8 does following further describing to concrete enforcement structure of the present utility model herein:
Concrete structure of the present utility model, as shown in figures 1-8, its entirety presents stepped angularly face tilt structure, and the row face of its incline structure forms its burning face.On the direct of travel of the parallel and vertical garbage in the face of burning, the utility model is connected by some fire grate unit 10 head and the tail of arranging successively and side, and arranges bolt at its joining place and to coordinate or gap is spelled and leaned on.And each fire grate unit 10, be then alongside one another by some rectangular tabular fire grate plates 11 and sedimentation and form aforementioned levels ladder face-type structural successively.Between the fire grate plate 11 forming each fire grate unit 10, with reinforcement 12 in addition laterally and longitudinally fixing, to ensure the working strength demand of fire grate unit 10 self.There is air-out direction and rubbish direct of travel air feed hole in the same way in the cooperation place of each fire grate plate 11, to ensure push for the part of rubbish and continue efficient air feed effect.The formation of above-mentioned air feed hole, the vertical being hooked rear formation that can be direct both the dependence shown in Fig. 2-3 is formed to fit clearance.Or can as shown in fig. 6-7, rely on the lower face formation being arranged in next fire grate plate 11 upper plate side plate and coordinating a upper fire grate plate along the deep gouge 13 at place.In other words, due to the existence of deep gouge 13, air feed hole is actually the close shoulder place of the stage portion at fixed grate, along fire grate plate 11 length direction successively interval arrange form.Concrete structure as deep gouge 13 can be multiple, as adopted square, circle even other trench structures.The preferred square opening groove structure as Figure 1-4 of the utility model, to promote its air-out patency further and to ensure its wind-force high speed.
As concrete enforcement structure of the present utility model, in structure shown in Fig. 1, each fire grate unit 10 all arranges one group of jogger hole 14 arranged along fire grate plate 11 length direction, the setting and stagger in often adjacent two groups of jogger holes, 14 positions, thus ensure waste layer along burn face down advance time, can be subject to punching and air permeable effect without the comprehensive of dead angle.
During the actual use of the utility model, each fire grate unit 10 all can be made of one the cast member of formula, and relies on the bolt in later stage affixed and spell by assembling, forms the face tilt formula fixed grate structure of entirety.Depending on the length of fixed grate applied in each incinerator not etc., the fire grate unit 10 of different number can be used and Assembling.Because fire grate unit 10 itself is as assembly of elements, even rely on single mold can realize batch production, the standardization of himself and interchangeability also can be guaranteed.There is the situations such as certain part-structure wearing and tearing once fixed grate and replacing need be safeguarded; also carry out the field stripping of this part and more renew fire grate unit 10 after only need shutting down; its cost performance is obviously higher; this is to reduction plant equipment maintenance cost; promote factory of producer energy benefit, obviously all can play Beneficial Effect.
Claims (10)
1. a combined type fixed grate, it is characterized in that: this fixed grate is made up of multiple fire grate unit can splicing jointly to be formed the burning face of advancing for rubbish and burning each other, this burning face is in the inclined plane structure be convenient to rubbish and advanced, and each fire grate unit is integral piece and its stitching direction is parallel and/or vertical garbage direct of travel is arranged; On the direct of travel of rubbish, two often adjacent fire grate unit of splicing each other (10) form the affixed cooperation of bolt, on the vertical garbage direct of travel in the face of burning, between two often adjacent fire grate unit of splicing each other (10), there is fit clearance.
2. a kind of combined type fixed grate according to claim 1, it is characterized in that: fire grate unit (10) is provided with for avoiding burning face place lime-ash to fall into the seam cover plate (10a) in below row face along above-mentioned fit clearance, the parallel rubbish direct of travel of this seam cover plate (10a) plate length direction, its side plate end is fixed in the side edge for forming fit clearance of fire grate unit (10), and another side plate end postpones to hide above-mentioned fit clearance to side fire grate unit place.
3. a kind of combined type fixed grate according to claim 2, it is characterized in that: the cross section of described seam cover plate (10a) is in " L " letter stencil shape or downward opening groove-like, the straight plate in its side or trough rim are fixed in the side side edge for forming fit clearance of fire grate unit (10), place above the straight plate of its opposite side or the trough rim side extending to the fire grate unit joined together of side in suspension shape and both have engagement height difference in vertical.
4. a kind of combined type fixed grate according to Claims 2 or 3, it is characterized in that: each fire grate unit (10) comprises each fire grate plate (11) of the cubic tabular of arranging successively along rubbish direct of travel, the upper and lower plate of fire grate plate (11) is along equal vertical garbage direct of travel, and the plate face of each fire grate plate (11) tilts jointly to form above-mentioned burning face with burning face tilt direction in the same way; The step that the layout of each fire grate plate highly successively reduces to form fire grate unit (10) burns face structure; In the projection of vertical, the lower plate of a upper fire grate plate is along the upper plate side plate of next adjacent fire grate plate along being positioned on same projection line, or the lower plate of a upper fire grate plate is along the plate face projection being positioned at next fire grate plate; There is the air feed hole running through fire grate isostere in each adjacent fire grate plate (11) plate body cooperation place; Fire grate plate (11) back side forming each fire grate unit (10) is arranged for connecting and fixing reinforcement (12) each other, and the arranged direction of this reinforcement (12) at least intersects at rubbish direct of travel.
5. a kind of combined type fixed grate according to claim 4, is characterized in that: described seam cover plate (10a) in plate face and the above-mentioned step face of burning of fire grate unit (10) to coincide the ladder plate body columnar structure of arranging.
6. a kind of combined type fixed grate according to claim 4, it is characterized in that: between the upper and lower edges of boards of the fire grate plate (11) that matches of each adjacent fire grate unit (10), self be superimposedly hooked layout, the end fire grate plate place of a described upper fire grate unit (10) offers screwed hole, the head end fire grate plate place of next fire grate unit (10) is corresponding offers the bolt hole running through its plate face, and both lap one another to form the affixed cooperation of bolt; Deep gouge (13) is furnished with along postponing along its upper face by the upper plate side plate of above-mentioned head end fire grate plate, described deep gouge (13) for multiple and along this fire grate plate (11) length direction interval arrange, this deep gouge (13) forms aforementioned air feed hole.
7. a kind of combined type fixed grate according to claim 6, it is characterized in that: matching between upper and lower edges of boards of each adjacent fire grate plate (11) of each fire grate unit (10) self is superimposedly hooked layout, along place, same postponing along its upper face is furnished with deep gouge (13) to the upper plate side plate of Gong the cooperation of above-mentioned corresponding fire grate plate (11), described deep gouge (13) for multiple and along this fire grate plate (11) length direction interval arrange, this deep gouge (13) forms above-mentioned air feed hole; Described each fire grate plate (11) length direction is horizontally disposed, and the plate face forming each fire grate plate (11) of each fire grate unit (10) is arranged with angular slope; Deep gouge (13) is rectangular channel-shaped, its flute length direction parallel fire grate plate (11) length direction, and parallel each fire grate plate (11) width in its groove width direction.
8. a kind of combined type fixed grate according to claim 4, it is characterized in that: described reinforcement (12) comprises the waling (12a) arranged in the same way along rubbish direct of travel and the cross reinforcing (12b) arranged along fire grate unit (10) transverse horizontal, described cross reinforcing (12b) to be located between each adjacent waling (12a) and affixed setting each other, and described cross reinforcing (12b) and waling (12a) form the net palisade reinforcing plate structure of reinforcement (12) jointly.
9. a kind of combined type fixed grate according to claim 1 or 2 or 3, it is characterized in that: described fire grate unit (10) offers the jogger hole (14) passed through with jacking and the burning face of punching place waste layer for push rod, described jogger hole (14) axis vertical also runs through the corresponding fire grate plate of fire grate unit (10), and jogger hole cross section (14) are circular or oblate with the polygon of push rod shape adaptation or plum-shaped structure; Described each jogger hole (14) offer the head end fire grate plate place that position is all positioned at corresponding fire grate unit (10).
10. a kind of combined type fixed grate according to claim 9, is characterized in that: on the direct of travel of rubbish, and the jogger hole (14) in adjacent fire grate unit (10) each other position staggers setting; Described jogger hole (14) profile in the sleeve-like configuration that postponed downwards by corresponding fire grate plate along vertical, the outer wall place of the above-mentioned section of postponing of jogger hole (14) offer run through its wall body for mating holes (14a) affixed between push rod lining and external support structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320720.6U CN204693449U (en) | 2015-05-18 | 2015-05-18 | A kind of combined type fixed grate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320720.6U CN204693449U (en) | 2015-05-18 | 2015-05-18 | A kind of combined type fixed grate |
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| Publication Number | Publication Date |
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| CN204693449U true CN204693449U (en) | 2015-10-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520320720.6U Expired - Fee Related CN204693449U (en) | 2015-05-18 | 2015-05-18 | A kind of combined type fixed grate |
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| Country | Link |
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| CN (1) | CN204693449U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563992A (en) * | 2016-07-07 | 2019-04-02 | 巴布科克·威尔科克斯沃伦德有限公司 | Removable fire grate for stove |
-
2015
- 2015-05-18 CN CN201520320720.6U patent/CN204693449U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109563992A (en) * | 2016-07-07 | 2019-04-02 | 巴布科克·威尔科克斯沃伦德有限公司 | Removable fire grate for stove |
| CN109563992B (en) * | 2016-07-07 | 2020-09-01 | 巴布科克·威尔科克斯沃伦德有限公司 | Movable grate for a furnace |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151007 Termination date: 20170518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |