CN209622815U - A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment - Google Patents
A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment Download PDFInfo
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- CN209622815U CN209622815U CN201920240456.3U CN201920240456U CN209622815U CN 209622815 U CN209622815 U CN 209622815U CN 201920240456 U CN201920240456 U CN 201920240456U CN 209622815 U CN209622815 U CN 209622815U
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- grate segment
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Abstract
The utility model discloses a kind of fire grate segment and based on the garbage incinerator grates of the fire grate segment, labyrinth-like aeration structure is formed on the fire grate segment, the labyrinth-like aeration structure is made of the top gap and lower part gap being connected, the top gap and lower part gap radial position formation interlock, lengthwise position corresponds to each other, and by under shield partial occlusion below the top gap, the lower part gap top passes through upper guard-plate partial occlusion.The utility model has the advantages that: labyrinth-like aeration structure is used, while avoiding combustion slag blocking air outlet or generate leakage ash, the labyrinth-like aeration structure that two pieces of fire grate segments are spliced to form is also convenient for the maintenance and maintenance in later period.
Description
Technical field
The utility model relates to a kind of fire grate segment and based on the garbage incinerator grates of the fire grate segment, belongs to house refuse and burn
The technical field of burning.
Background technique
Movement characteristic of the domestic waste incineration according to rubbish on fire grate, fire grate can be divided into pusher type, inclination inverse-push
Two kinds.The direction of motion of its activity template of pusher type fire grate is consistent with the direction that rubbish advances in furnace, and tilts inverse-push fire grate
Activity template, the direction of motion is contrary with rubbish downlink.
The shortcomings that conventional garbage incinerator, is:
1, in pusher type fire grate, rubbish is nearly at opposing stationary state, cannot voluntarily stir, therefore the rubbish bed of material cannot
Full combustion, efficiency of combustion are low, are extremely difficult to the index of lime-ash clinker ignition loss.
2, in inverse-push fire grate, bed depth is controlled according to the speed of actions of movable furnace grate plate, movable furnace grate plate
Slow motion, then the bed of material is higher, but corresponding, and to the stirring action of rubbish with regard to small, burnout rate is affected, movable furnace grate plate it is dynamic
Make fastly, then the bed of material is lower, and burn-off rate is high, but corresponding, and the bed of material is difficult to set up, and quantity combusted is affected.Currently, being typically employed in
The position of slagging tap of inverse-push fire grate adds batch layer height regulator to adjust bed depth, as patent name is " can spice layer it is high
The inverse-pushing type garbage incinerator of degree " (country origin: China, publication number: CN200940840, publication date: 2007.8.29) it is practical new
Shown in type patent.However, when the prior art including above-mentioned patent carries out bed of material adjusting, due to being all in back of furnace row pair
Front is adjusted, and reaction speed is slower, usually will can just be seen effect at 1~2 hour, is being unfavorable for waste incinerator just
It is often used.
3, whether with pusher type, there are also the incinerators of inverse-push fire grate, are typically employed in fire grate sheet head addendum cone portion and open
The mode in hole is aerated, and by the operation of long period, the air outlet on head gradually corrodes and becomes larger, and on the one hand causes leakage ash quantity
Increase than very fast, the later period, which must not have to welding manner, reduces some ventilation hole plugs leakage ash；On the other hand it will also result in, rubbish
Rubbish combustion slag is stuck in the air outlet after becoming larger, and influences its use.
Utility model content
Purpose of utility model: in view of the above problems, the object of the present invention is to provide a kind of fire grate segment, optimize its outlet air
Structure to avoid combustion slag blocking air outlet or generates leakage ash.
Technical solution: a kind of fire grate segment is formed with labyrinth-like aeration structure on the fire grate segment, the labyrinth-like aeration structure by
Top gap and lower part the gap composition being connected, the top gap and lower part gap radial position formed staggeredly, Zong Xiangwei
Reciprocal correspondence is set, and by under shield partial occlusion below the top gap, the lower part gap top passes through top and keeps off
Plate partial occlusion.
The principles of the present invention are: in use, air inlet is entered by lower part gap, and blown out by top gap, it is such as long
Time, which uses, generates leakage ash, can fall above under shield, on the one hand make leakage ash that can not largely fall to fire grate segment
Lower position, i.e. leakage ash will not largely be brought into below fire grate segment and in the ventilating system of rear end, be avoided for rear end boiler
Repeat deashing work；On the other hand, the leakage ash that air inlet can will fall off above under shield is blown back above fire grate segment, is also not easy to make
At the blocking of aeration structure.
Further, the labyrinth-like aeration structure is spliced to form by two pieces of longitudinally adjacent fire grate segments, two pieces of fire grate segments
One of, the top of longitudinal edge is formed with the upper guard-plate, lower part is formed with the lower part gap；The two of two pieces of fire grate segments,
The top of its longitudinal edge is formed with the top gap, lower part is formed with the under shield.This structure is spelled by two pieces of fire grate segments
It connects to form the labyrinth-like aeration structure, even if the later period aeration structure passes through the connection of two pieces of fire grate segments of disassembly by leakage ash blocking
The cleaning at blocking can be completed in structure, is convenient for later period maintenance and maintenance.
Further, the labyrinth-like aeration structure is arranged at intervals with multiple between two pieces of longitudinally adjacent fire grate segments.
Further, the upper guard-plate block edge and the under shield block edge in same level,
In order to which the splicing of two pieces of longitudinally adjacent fire grate segments is installed.
Further, the air inlet area of section of the lower part gap is greater than the air outlet area of section of the top gap,
To increase wind pressure out, preferably the leakage ash leaked under shield is blown back above fire grate segment while avoiding leaking ash.
The utility model additionally provides a kind of garbage incinerator grates, the fire grate along rubbish traffic direction be divided into leading portion, in
Section and back segment, the leading portion, back segment use pusher type fire grate, and the middle section uses inverse-push fire grate, and the forwards of the leading portion
Fire grate segment used by formula fire grate has upward inclined angle alpha, and fire grate segment used by the leading portion, middle section and back segment is formed with
State labyrinth-like aeration structure, it is H that the joining place of the joining place in the leading portion and middle section, middle section and back segment, which is formed respectively with height,1、H2
Drop step one, drop step two.
In use, the uniform pusher of the pusher type fire grate of leading portion, since its fire grate segment used has upward inclined angle alpha,
Therefore the residence time of rubbish can be adjusted by controlling the speed of actions of fire grate pusher in this section, thus in the direct shape of leading portion
At the certain thickness rubbish bed of material, without avoiding in the prior art after fire grate to thickness of feed layer is controlled on middle section
The technical issues of portion carries out bed of material adjustment to front, and reaction speed is slower, is unfavorable for waste incinerator normal use.Meanwhile it falling
Poor step one can be used for increasing the overturning and mixing of rubbish, increases rubbish and dries face；Drop step two can be used for breaing up conglomeration block
Rubbish fire slag.
Preferably, the leading portion is dryer section, middle section is burning zone, back segment is after-flame section.
Further, fire grate segment used by the pusher type fire grate of the back segment is horizontally disposed, and the back segment have to
Under angle of inclination beta.In this structure, fire grate segment used by the pusher type fire grate of back segment is horizontal reciprocating movement, can reduce leakage ash
Amount；Meanwhile the downward inclination angle of back segment can shorten rubbish in the residence time of burning segment, be also convenient for releasing in the clinker of bulk
Siege.
Further, 10 °≤α≤15 °, 20 °≤β≤25 °, 500mm≤H1≤ 600mm, 400mm≤H2≤500mm。
The utility model has the advantages that compared with prior art, the utility model has the advantages that: 1, using labyrinth-like aeration structure, avoid
While firing slag blocking air outlet or generate leakage ash, the labyrinth-like aeration structure that two pieces of fire grate segments are spliced to form is also convenient for the later period
Maintenance and maintenance；2, using three-stage fire grate structure, the certain thickness bed of material is directly formed by leading portion, reaction speed is fast.Together
When, back segment uses horizontally disposed pusher type fire grate piece, effectively reduces leakage ash quantity, and convenient for the clinker of bulk is released siege.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model fire grate segment；
Fig. 2 is the cross-sectional view of the position A-A in Fig. 1；
Fig. 3 is the enlarged diagram of B location in Fig. 2；
Fig. 4 is the bottom view of Fig. 1；
Fig. 5 is the top view of Fig. 1；
Fig. 6 is the structural schematic diagram of the utility model fire grate.
Specific embodiment
In the following with reference to the drawings and specific embodiments, the utility model is furtherd elucidate, these embodiments are merely to illustrate this
Utility model rather than limitation the scope of the utility model.
A kind of fire grate segment is formed with labyrinth-like aeration structure 1 as illustrated in the accompanying drawings from 1 to 3 on the fire grate segment, labyrinth-like ventilation knot
Structure 1 is made of the top gap 11 and lower part gap 12 being connected, and top gap 11 and 12 radial position of lower part gap are formed and handed over
Wrong, lengthwise position corresponds to each other, and passes through 13 partial occlusion of under shield below top gap 11, passes through above lower part gap 12
14 partial occlusion of upper guard-plate.
In the present embodiment, for the maintenance and maintenance convenient for the later period, the labyrinth-like aeration structure 1 is by two pieces of longitudinally adjacent furnaces
Screening is spliced to form, one of two pieces of fire grate segments, and as shown in Fig. 4, the top (lower position in attached drawing 4) of longitudinal edge is made
There are upper guard-plate 14, lower part (top position in attached drawing 4) to be formed with lower part gap 12；The two of two pieces of fire grate segments, such as 5 institute of attached drawing
Show, the top of longitudinal edge is formed with top gap 11, lower part is formed under shield 13.Meanwhile in the present embodiment, to reinforce
Wind effect, the labyrinth-like aeration structure 1 are arranged at intervals with multiple between two pieces of longitudinally adjacent fire grate segments.For convenient for two pieces of furnaces
The splicing of screening is installed, upper guard-plate 14 block edge and under shield 13 block edge in same level.
The fire grate segment when in use, is entered the wind by lower section, top outlet air, as arrow direction (is right side in attached drawing 3 in attached drawing 3
Air inlet, left side outlet air), air inlet is entered in labyrinth-like aeration structure by lower part gap, and is blown out by top gap, when such as long
Between using generate leakage ash, then fall above under shield, thus on the one hand make leak ash can not largely fall under fire grate segment
Orientation is set, i.e. leakage ash will not largely be brought into below fire grate segment and in the ventilating system of rear end, avoids the weight for rear end boiler
Multiple deashing work；On the other hand, the leakage ash that air inlet can will fall off above under shield is blown back above fire grate segment, is not also easily caused
The blocking of aeration structure.In the present embodiment, to reinforce the air pressure at air outlet, preferably anti-leak-stopping ash effect is obtained, by lower part
The air inlet area of section of gap 12 is set greater than the air outlet area of section of top gap 11.
The present embodiment further relates to a kind of garbage incinerator grates, and as shown in Fig. 6, the fire grate 2 is along rubbish traffic direction point
For leading portion 21, middle section 22 and back segment 23, leading portion 21, back segment 23 use pusher type fire grate, and middle section 22 uses inverse-push fire grate, and preceding
Fire grate segment used by the pusher type fire grate of section 21 has upward inclined angle alpha, used by leading portion 21, middle section 22 and back segment 23
Fire grate segment is formed with above-mentioned labyrinth-like aeration structure 1, and leading portion 21 is connected punishment with the joining place in middle section 22, middle section 22 and back segment 23
Not being formed with height is H1、H2Drop step 1, drop step 2 25.Drop step one can be used for increasing rubbish overturning and
Mixing increases rubbish and dries face；Drop step two can be used for breaing up the rubbish combustion slag of conglomeration block.Wherein, leading portion 21 be dryer section,
Middle section 22 is burning zone, back segment 23 is after-flame section.In the present embodiment, to leak ash, back segment convenient for releasing the clinker of bulk and placing
Fire grate segment used by 23 pusher type fire grate is horizontally disposed, and back segment 23 has downward angle of inclination beta.Meanwhile this implementation
Parameters are optimized in example, and 10 °≤α≤15 °, 20 °≤β≤25 °, 500mm≤H1≤ 600mm, 400mm≤H2≤
500mm。
The fire grate is fallen on the pusher type fire grate of leading portion, passes through the forwards of leading portion in use, rubbish has feed inlet inlet port
The uniform pusher of formula fire grate can pass through control fire grate in the section since its fire grate segment used has upward inclination angle
The speed of actions of pusher adjusts the residence time of rubbish, so that the certain thickness rubbish bed of material is directly formed in leading portion, without
It needs to thickness of feed layer is controlled on middle section, avoids bed of material adjustment, reaction are carried out to front from back of furnace row in the prior art
The technical issues of speed is slower, is unfavorable for waste incinerator normal use.
Claims (9)
1. a kind of fire grate segment, it is characterised in that: be formed on the fire grate segment labyrinth-like aeration structure (1), the labyrinth-like ventilation knot
Structure (1) is made of the top gap (11) and lower part gap (12) being connected, the top gap (11) and lower part gap (12)
Radial position formation interlocks, lengthwise position corresponds to each other, and passes through under shield (13) part below the top gap (11)
It blocks, passes through upper guard-plate (14) partial occlusion above the lower part gap (12).
2. a kind of fire grate segment according to claim 1, it is characterised in that: the labyrinth-like aeration structure (1) is by longitudinal phase
Two pieces of adjacent fire grate segments are spliced to form, one of two pieces of fire grate segments, the top of longitudinal edge be formed with the upper guard-plate (14),
Lower part is formed with the lower part gap (12)；The two of two pieces of fire grate segments, the top of longitudinal edge are formed with the top gap
(11), lower part is formed with the under shield (13).
3. a kind of fire grate segment according to claim 2, it is characterised in that: the labyrinth-like aeration structure (1) is in longitudinal phase
It is arranged at intervals between two pieces of adjacent fire grate segments multiple.
4. a kind of fire grate segment according to claim 1 to 3, it is characterised in that: the upper guard-plate (14) blocks side
Edge blocks edge in same level with the under shield (13).
5. a kind of fire grate segment according to claim 1 to 3, it is characterised in that: the air inlet of the lower part gap (12)
Area of section is greater than the air outlet area of section of the top gap (11).
6. a kind of garbage incinerator grates, it is characterised in that: the fire grate (2) is divided into leading portion (21), middle section along rubbish traffic direction
(22) and back segment (23), the leading portion (21), back segment (23) use pusher type fire grate, and the middle section (22) uses inverse-push furnace
Row, and fire grate segment used by the pusher type fire grate of the leading portion (21) have upward inclined angle alpha, the leading portion (21), in
Fire grate segment used by section (22) and back segment (23) is formed with labyrinth-like aeration structure (1) a method as claimed in any one of claims 1 to 5, institute
It is H that the joining place for stating the joining places of leading portion (21) and middle section (22), middle section (22) and back segment (23), which is formed respectively with height,1、H2Fall
Poor step one (24), drop step two (25).
7. a kind of garbage incinerator grates according to claim 6, it is characterised in that: the leading portion (21) be dryer section,
Middle section (22) is burning zone, back segment (23) is after-flame section.
8. a kind of garbage incinerator grates according to claim 6, it is characterised in that: the pusher type furnace of the back segment (23)
Fire grate segment used by arranging is horizontally disposed, and the back segment (23) has downward angle of inclination beta.
9. a kind of garbage incinerator grates according to claim 8, it is characterised in that: 10 °≤α≤15 °, 20 °≤β≤
25 °, 500mm≤H1≤ 600mm, 400mm≤H2≤500mm。
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240456.3U CN209622815U (en) | 2019-02-26 | 2019-02-26 | A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920240456.3U CN209622815U (en) | 2019-02-26 | 2019-02-26 | A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment |
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| Publication Number | Publication Date |
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| CN209622815U true CN209622815U (en) | 2019-11-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681890A (en) * | 2019-02-26 | 2019-04-26 | 江苏华本环境科技有限公司 | A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment |
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2019
- 2019-02-26 CN CN201920240456.3U patent/CN209622815U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681890A (en) * | 2019-02-26 | 2019-04-26 | 江苏华本环境科技有限公司 | A kind of fire grate segment and the garbage incinerator grates based on the fire grate segment |
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