CN106439854A

CN106439854A - Fire grate device suitable for small garbage incinerator and small garbage incinerator

Info

Publication number: CN106439854A
Application number: CN201611202238.8A
Authority: CN
Inventors: 杨虎; 王珊珊
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-12-23
Filing date: 2016-12-23
Publication date: 2017-02-22
Anticipated expiration: 2036-12-23
Also published as: CN106439854B

Abstract

The invention discloses a fire grate device suitable for a small garbage incinerator and the small garbage incinerator. The fire grate device comprises a plurality of incinerator rollers arranged on an incinerator body, and a drive system driving the incinerator rollers to axially rotate. A gap is formed between every two adjacent incinerator rollers. After stretching out of the incinerator body, one ends of the incinerator rollers are connected with the drive system, and an air collecting hood is arranged on the outer side wall of the part, at the other ends of the incinerator rollers, of the incinerator body. An air collecting chamber is defined by the air collecting hood and the outer side wall of the incinerator body. Air channels are formed in the incinerator rollers. The incinerator rollers are provided with multiple air holes communicating with the air channels. Inlets of the air channels are formed in the ends, close to the air collecting hood, of the incinerator rollers, and the air channels communicate with the air collecting chamber. The air collecting hood is provided with an air inlet pipe communicating with the air collecting chamber. According to the fire grate device, large sundries not combusted and hardened ash can be better discharged out of a hearth together, an operator does not need to regularly enter the hearth for cleaning, and therefore the adaptation capability of the incinerator for garbage not sorted is improved, and the labor intensity and work dangerousness of the operator are reduced.

Description

A kind of fire grate device being applied to small refuse incinerator and small refuse incinerator

Technical field

The present invention relates to consumer waste innocent, minimizing dispose field, more particularly, to a kind of it is applied to small-sized life The fire grate device of incinerator.

Background technology

Innoxious, the minimizing of house refuse are disposed has highly important environment protection significance.Burning is to dispose house refuse One of effective means, especially resident's population size such as small towns, village is less, centrally dispose difficulty after Domestic Waste Collection fortune Place, is cleaned burning using small refuse incinerator and has advantage.

Because the composition of house refuse is extremely complex, before house refuse is carried out by burning disposal using large-scale incinerator, Generally require and pretreatment carried out to rubbish, including by rubbish burn when easily cause the component of severe contamination, can not burn and Environment is not had harm component, may damage incinerator component, have other utilization be worth group grade sorted or Sort out, and component that is larger for volume, being unfavorable for burning is carried out broken etc..But, rubbish is produced daily for small towns, village etc. Measure few situation, it is unpractical for building special rubbish pretreatment center, is wrapped in these local house refuses in addition The glass condiment bottle that contains, milk pot, useless brick, stone, waste water clod, the useless non-flammable component such as pottery piece, honeycomb cinder are more, Composition is more complicated.

Because small towns, village domestic garbage constituent are complicated, bring to burning and much compare stubborn problem, One of them be exactly in rubbish the larger non-combustible composition of volume be easily stuck on fire grate it is not easy to discharge from burner hearth, and ashes Together burner hearth accumulate, hardened, cause incinerator block.Using after a period of time it is necessary to by be trapped in burner hearth lime-ash and Other foreign bodies are cleared up.And the general area of manhole entering burner hearth is less, in addition using furnace operation environment afterwards very Badly, the job very difficult of clearing furnace and affect operator healthy.Therefore, development is applied to small-sized rubbish and burns Burn stove and be capable of easy deslagging fire grate system significant.

Content of the invention

The technical problem to be solved is, not enough for prior art, provides one kind to be applied to small-sized rubbish and burns Burn fire grate device and the small refuse incinerator of stove.

For solving above-mentioned technical problem, the technical solution adopted in the present invention is：One kind is applied to small refuse incinerator Fire grate device, including the multiple furnace rollers being arranged on body of heater and the drive system driving described furnace roller axial rotation, and described Multiple furnace rollers are placed in burner hearth；It is provided with gap between two adjacent furnace rollers；Described furnace roller one end stretch out after described body of heater with Described drive system connects；Body of heater lateral wall at the described furnace roller other end is provided with gas skirt；Described gas skirt and described stove Body lateral wall surrounds collection chamber；It is provided with described furnace roller and on air flue, and described furnace roller, offer what multiple and described air flue connected Pore；The entrance of described air flue is arranged on described furnace roller on one end of described gas skirt, and described air flue and described gas collection Room connects；Described gas skirt is provided with the air inlet pipe connecting with described collection chamber.

Described furnace roller includes mandrel and gear ash set；Described mandrel and gear ash set are connected by polylith floor；Described air flue edge Described mandrel is axially arranged, and described pore is opened on described mandrel；Described mandrel two ends exceed described gear ash set, form two Construction section；It is connected with described drive system after the axle bed that one of construction section sequentially passes through sidewall of the furnace body, be arranged on body of heater； Another one construction section is connected with described collection chamber.

Described gear ash set cross section is semicircular arc；When incinerator is in burning state, described gear ash set is in mandrel Lower section, and convex surface is down, and the air vent openings on described mandrel are upwards；Or, when incinerator is in burning state, described gear Ash set convex surface upward, concave surface down, mandrel be in gear ash set lower section, the opening upwards of the pore on described mandrel.

The vertical portion that described gear ash set cross section is included a horizontal component and is connected with described horizontal component two ends, and institute The length stating vertical portion is much smaller than the length of described horizontal component；The lower section of the gear ash set that described mandrel is in, described mandrel On pore opening upwards.

Described gear ash covers for slab construction, and described mandrel is in below described slab construction；Described air vent openings are upwards.

Described gear ash set cross section is arc, and described arc opening is downward；Described mandrel is in below described gear ash set, The opening upwards of the pore on described mandrel.

Described drive system includes motor, at least one driving gear being driven rotation by described motor, corresponding every stove Multiple furnace roller gears of roller, two adjacent furnace roller gears engage；Described driving gear is engaged with one of furnace roller gear.

Described drive system includes the furnace roller sprocket wheel being arranged on the construction section of described mandrel one end；Multiple furnace roller sprocket wheels are divided into Two groups, and two adjacent furnace roller sprocket wheels belong to different groups, form two power transmission combinations；The transmission combination of each power Also include the drive sprocket that at least one motor is driven by described motor with least one；Described drive sprocket passes through chain drive Furnace roller sprocket wheel in the transmission combination of this power rotates.

It is provided with equipment gear, and the midpoint of described equipment gear between the two neighboring furnace roller gear of each group of furnace roller gear Not on the line between described two neighboring furnace roller gear midpoint；Described equipment gear passes through described chain and adjacent furnace roller Gear connects.

Described drive system includes expansion link；Described expansion link one end is connected with described body of heater；The described expansion link other end It is connected with component frame；Described construction section is connected with swing arm one end after stretching out axle bed；Described swing arm other end and described component frame hinge Connect.

Described mandrel is divided into multigroup, and each group is correspondingly arranged on a described expansion link；Each group of expansion link and one Component frame connects；It is connected with a described swing arm with every mandrel in group mandrel, described swing arm component frame corresponding with this group Hinged.

Compared with prior art, the present invention had the advantage that for：Using the structure of the present invention, when going out in incinerator During existing ash deposition, so that furnace roller is rotated under the driving of motor, change the width in fire-gate leakage ash gap, be conducive to large volume not Combustion debris crash into ashcan from the grey gap of leakage together with lime-ash, even if in addition, incinerator is because leading to lime-ash to exist using a period of time Burner hearth is hardened, and the disturbance of furnace roller rotation process middle-grade ash set can make hardened lime-ash fragmentation so that the hardened lime-ash of burner hearth is easy Discharge from burner hearth, be periodically into burner hearth cleaning without operator.So that the reliability of the incinerator using this fire grate device Property more preferably, higher to the rubbish adaptability not sorted, also mitigate labor intensity and the work risk of operator.

Brief description

Fig. 1 is a kind of fire grate device for small refuse incinerator provided by the present invention and when being arranged on incinerator Front view；

Fig. 2 is the A-A of Fig. 1 to sectional view；

Fig. 3 is partial enlarged drawing at the E of Fig. 2；

Fig. 4 is partial enlarged drawing at the C of Fig. 2；

Fig. 5 is the axonometric drawing of furnace roller；

Fig. 6 is the D direction view of Fig. 2, the first embodiment of drive system；

Fig. 7 is the D direction view of Fig. 2, the second embodiment of drive system；

Fig. 8 is the D direction view of Fig. 2, the third embodiment of drive system；

Fig. 9 is the D direction view of Fig. 2, the 4th kind of embodiment of drive system；

Figure 10 is partial enlarged drawing at the B of Fig. 1, the first embodiment of the structure of furnace roller；

Figure 11 is partial enlarged drawing at the B of Fig. 1, the structure second embodiment of furnace roller；

Figure 12 is partial enlarged drawing at the B of Fig. 1, the third embodiment of the structure of furnace roller；

Figure 13 is partial enlarged drawing at the B of Fig. 1, the 4th kind of embodiment of structure of furnace roller；

Figure 14 is partial enlarged drawing at the B of Fig. 1, the 5th kind of embodiment of structure of furnace roller；

Relative phase relation when Figure 15 initially installs for furnace roller and motor process；

Wherein：

1 body of heater, 2 burner hearth 3 lime-ash

4 furnace roller, 5 ashcan 6 gap

7 drive system, 8 gas skirt 9 collection chamber

10 cooling gas 11 air inlet pipe 12 axle beds

13 furnace roller gear, 14 driving gear 15 motor

16 air flues 17 break heat channel 18 mandrel

21 grades of ash sets of 19 floor, 20 pore

22 construction section 23 assists sprocket wheel 24 furnace roller sprocket wheel

25 chain, 26 drive sprocket 27 expansion link

28 component frame, 29 swing arm 30 semicircle set

31 flat-top set 32 burner port 33 flat board sets

34 tile sets.

Specific embodiment

The core of the present invention, can be by changing stove for providing a kind of fire grate device for small-sized domestic waste incineration The width in the grey gap of row's leakage, is conducive to the unburned debris of large volume to crash into ashcan from the grey gap of leakage together with lime-ash, can avoid burning Burn stove leads to lime-ash in burner hearth, deposition, hardened using a period of time, is periodically into burner hearth without operator and clears up lime-ash, Thus using the better reliability of the incinerator of this fire grate device, higher to the rubbish adaptability not sorted, also mitigate behaviour Make labor intensity and the work risk of personnel.

In order that those skilled in the art more fully understands technical scheme, below in conjunction with the accompanying drawings and specifically real The present invention is described in further detail to apply example.

As shown in figure 1, Fig. 1 is a kind of fire grate device for Small-sized living garbage incinerator provided by the present invention, with And front view when being arranged on incinerator for this fire grate, and combine Fig. 2, Fig. 3, Fig. 4, Fig. 5, wherein：Fig. 2 is the A-A of Fig. 1 to cuing open View is it is shown that top view when furnace roller 4 is arranged on body of heater 1；Fig. 3 be at the E of Fig. 2 partial enlarged drawing it is shown that power train Meshing relation between motor 15, the mounting means of driving gear 14 and driving gear 14 and furnace roller gear 13 in system 7；Fig. 4 is Partial enlarged drawing at the C of Fig. 2 is it is shown that mounting means on body of heater 1 for the furnace roller 4, and gas skirt 8, collection chamber 9, Yi Jilu Air flue 16 structure within roller 4；Fig. 5 is the axonometric drawing of furnace roller 4.

A kind of described fire grate device for Small-sized living garbage incinerator, including the furnace roller 4 being arranged on body of heater 1 and Control the drive system 7 of furnace roller action, described furnace roller 4 has multiple, leaves gap 6 between two neighboring furnace roller 4, described stove Roller 4 includes mandrel 18, shelves ash set 21, and by the floors 19 that are linked together with mandrel 18 of shelves ash set 21, and whole furnace roller 4 can be around Mandrel 18 axis rotates, and described shelves ash set 21 is in the inner chamber of body of heater 1, and described mandrel 18 two ends exceed shelves ash set 21 length Part is construction section 22, and described construction section 22 is respectively equipped with disconnected heat channel 17, and described construction section 22 passes through difference after body of heater 1 It is arranged on three-dimensional 1 by axle bed 12, wherein one end is connected with drive system 7, namely is provided with furnace roller gear 13.Described mandrel Body of heater 1 side wall residing for 18 other ends is provided with gas skirt 8, and described gas skirt 8 surrounds collection chamber 9 with body of heater 1 side wall, described Gas skirt 8 is provided with air inlet pipe 11, is provided with the air flue 16 parallel to axis, the entrance of described air flue 16 inside described mandrel 18 Positioned at mandrel 18 on the end face of this one end of collection chamber 9, described mandrel 18 is additionally provided with and air flue 16 phase vertical with axis direction Logical pore 20.Described air flue 16 is communicated with collection chamber 9.

Described drive system 7 includes motor 15, driving gear 14, the furnace roller gear 13 of each furnace roller corresponding, and axle The accessory such as hold, described driving gear 14 is engaged with some in furnace roller gear 13, should nibble with driving gear 14 meanwhile The furnace roller gear 13 that the furnace roller gear 13 closing also is adjacent engages, and described driving gear 14 quantity can be one, also may be used To be multiple, the furnace roller gear 13 engaging with driving gear 14 may be located at outermost it is also possible to be in centre.

Using said structure, when incinerator normal work, furnace roller 4 remains static, and cooling gas 10 is from air inlet pipe 11 Enter collection chamber 9, then from the air intake duct 16 entering each furnace roller 4, finally discharge from each pore 20, enter burner hearth 2 and participate in burning, The heat that furnace roller 4 absorbs is taken away by cooling gas 10, it is to avoid furnace roller 4 temperature is too high, meanwhile, because in the disconnected heat channel 17 in mandrel 18 two ends In the presence of so that the heat of furnace roller 4 high-temperature part conducts to the construction section 22 at two ends as little as possible, it is to avoid bearings at both ends temperature Too high and lead to lubricating oil coking.

After incinerator normal work, when the lime-ash that accumulates 3 is excessive, cleaning measure, starter motor can be taken in burner hearth 2 15, when motor 15 drives 14 rotation in driving gear, certain furnace roller gear 13 that driving gear 14 drive is engaged with, this stove Roller gear 13 and then drive other furnace roller gears 13 adjacent thereto and having meshing relation, are pushed away with this example, can be by driving gear 14 Driving force be delivered to each furnace roller gear 13, all furnace rollers 4 start synchronous axial system, and specific rotary state can be found in Figure 15 C), d) both of which.With the rotation of furnace roller 4, actual gap 6 width between furnace roller 4 changes, and on furnace roller 4 Shelves ash set 21 carries out disturbance to the lime-ash 3 accumulating, and promotes lime-ash 3 fragmentation, when gap 6 width increases, is conducive to burner hearth 2 inner product The large volume debris deposited and ashes decline into ashcan 5 from gap 6, reach removing and the purpose of lime-ash 3.

Certainly, described drive system 7 is not limited in the structure and working principle of said gear transmission, can also adopt it His version.As shown in fig. 7, adopting chain, the type of drive of sprocket wheel.In this structure, drive system 7 include motor 15, Drive sprocket 26, furnace roller sprocket wheel 24, auxiliary sprocket wheel 23, and chain 25, one end of the construction section 22 of the mandrel 18 of each furnace roller 4 It is provided with a furnace roller sprocket wheel 24, described furnace roller sprocket wheel 24 is divided into two groups, in each group, is respectively equipped with drive sprocket 26, and with It is provided with auxiliary sprocket wheel 23, each drive sprocket 26 is by matching motor 15 between adjacent two furnace roller sprocket wheels 24 in a group Drive.Described drive system 7 adopts this structure, both can achieve that the direction of rotation of all furnace rollers 4 is identical, also can achieve adjacent The rotation direction of two furnace rollers 4 is contrary, namely 4 shown in Figure 15 kind pattern.

Described drive system 7 also can be using structure and working principle as shown in Figure 8, including expansion link 27, component frame 28, and swing arm 29, described expansion link 27 can be oil cylinder, cylinder or electric pushrod etc., one end of described expansion link 27 It is connected on body of heater 1, the other end is connected on component frame 28, each mandrel 18 is equipped with swing arm with the construction section 22 of one end 29, all of swing arm 29 is hinged with all component framves 28.In this structure, with the elongation of expansion link 27, shortening, component can be driven Frame 28 is mobile, and then drives all of swing arm 29 to drive matching furnace roller 4 around the axis of its mandrel 18 in certain angle model Synchronous axial system back and forth in enclosing, thus realize the change of fire grate gap 6 width.This mode can only realize all of furnace roller 4 to together One rotates it is impossible to realize the lasting rotation towards same direction of furnace roller 4.

Described drive system 7 also can be using structure and working principle as shown in Figure 9, including expansion link 27, component frame 28, and swing arm 29, except for the difference that described furnace roller 4 is divided into two groups, each group has respective expansion link 27 and component frame 28, but the direction of two groups of swing arms 29 is different, and after each group swing arm 29 is connected with component frame 28, two groups of expansion links 27 control respectively respectively Group furnace roller 4.The direction of rotation that this mode enables adjacent furnace roller 4 is different.

The furnace roller 4 being suitable for above-mentioned various drive system 7 scheme also can adopt other in the case of not changing operation principle Structure.

As shown in Figure 10, described shelves ash set 21 can cover 30 for semicircle, when incinerator is in burning state, described half Circle set 30 is in the lower section of mandrel 18, and convex surface is down, now, the opening upwards of described pore 20, namely towards in burn Rubbish, in this structure, cooling gas 10, from the pore 20 out rear burning directly participating in rubbish, is more beneficial for controlling waste incineration State and process, but mandrel 18 is directly contacted with the rubbish burning, and bears higher thermic load.

Described furnace roller 4 may also be employed the structure shown in Figure 11, and described shelves ash set 21 also covers 30 for semicircle, this structure In, semicircle described in during installation cover 30 convex surfaces upward, concave surface down, the lower section of the semicircle set 30 that mandrel 18 is in, described pore 20 opening upwards, namely cooling gas 10 from pore 20 out impact afterwards semicircle set 30 internal face.In this structure, due to core Axle 18 is not directly contacted with the rubbish burning, thus the thermic load of mandrel 18 is less, and cooling gas 10 is also to various semicircle sets in addition 21 are cooled down, thus the better reliability of furnace roller 4.

Described furnace roller 4 also can be using the structure shown in Figure 12, and described shelves ash set 21 covers 31, namely its cross section for flat-top It is inShape, and flat-top is upward, the lower section of the flat-top set 31 that mandrel 18 is in, the opening upwards of described pore 20, namely cooling Gas 10 out impacts the lower wall surface in flat-top set 31 afterwards from pore 20, can set up burning separately in the flat top portion of flat-top set as needed Hole 32, plays and improves burning, reduces the purpose that heat transmits to mandrel 18.The mandrel 18 also direct rubbish with burning in this structure Rubbish contacts, and the thermic load of furnace roller 4 is also less, manufactures relatively easy；

Described furnace roller 4 also can be using the structure shown in Figure 13, and described shelves ash set 21 covers 33, namely its cross section for flat board It is in " ━ " shape, described flat board set 33 may also set up burner port 32, the lower section of the flat board set 32 that described mandrel 18 is also at, described Also upwards, in this structure, mandrel 18 is not also directly contacted the opening direction of pore 20 with the rubbish burning, the thermic load of furnace roller 4 Less, relatively simple to manufacture；

Described furnace roller 4 also can be using the structure shown in Figure 14, and described shelves ash set 21 covers 34, namely its cross section for tile Be in " " shape, and concave surface is upward, convex surface down, the lower section of the tile set 18 that described mandrel 18 is also at, the opening of described pore 20 Also upwards, in this structure, also rubbish that is direct and burning contacts mandrel 18, and the thermic load of furnace roller 4 is also less in mouth direction, due to The grey ability of storage is higher, is more suitable for lighting the rubbish of difficulty.

In above-mentioned all schemes, described furnace roller 4 mounting means, as shown in figure 15, can according in Figure 15 a), c) shown in The same phase of situation is installed, also can be according to the b in Figure 15), d) shown in the different phase of situation install；Described furnace roller 4 motion mode, Can as in Figure 15 a), b) shown in two adjacent groups furnace roller 4 rotating in same direction, namely all of furnace roller 4 all rotating Vortexes, also can be such as C in Figure 15), d) shown in two adjacent groups furnace roller 4 rotation direction contrary.

It should be noted that occur in the present invention the noun of locality " on " refer to point to burner hearth 2 (away from ground) in Fig. 1 Side；D score refers to the side in Fig. 1 near ashcan 15 (close to ground).

Claims

1. a kind of fire grate device being applied to small refuse incinerator it is characterised in that include be arranged on multiple on body of heater (1) Furnace roller (4) and drive described furnace roller (4) drive system (7) that rotates, and the plurality of furnace roller (4) is placed in burner hearth (2)；Phase It is provided with gap (6) between two adjacent furnace rollers (4)；Described furnace roller (4) include mandrel (18) and with described mandrel (18) lateral wall Gear ash set (21) connecting；It is provided with described mandrel (18) along the axially arranged air flue (16) of described mandrel (18), multiple pores (20) it is opened on described mandrel (18), and described pore (20) is connected with described air flue (16)；Described mandrel (18) two ends surpass Go out described gear ash set (21), form two construction sections (22)；One of construction section (22) pass through body of heater (1) side wall after with described Drive system (7) connects；Body of heater (1) lateral wall at another one construction section (22) place is provided with gas skirt (8)；Described gas skirt (8) surround collection chamber (9) with described body of heater (1) lateral wall；It is close that the entrance of described air flue (16) is arranged on described mandrel (18) On one end of described gas skirt (8)；Described gas skirt (8) is provided with the air inlet pipe (11) connecting with described collection chamber (9).

2. the fire grate device being applied to small refuse incinerator according to claim 2 is it is characterised in that described two peace It is equipped with disconnected heat channel (17) on dress section (22).

3. the fire grate device being applied to small refuse incinerator according to claim 1 is it is characterised in that described gear ash covers (21) cross section is semicircular arc；When incinerator is in burning state, described gear ash set (21) is in the lower section of mandrel (18), Pore (20) opening upwards and convex surface is down, on described mandrel (18)；Or, when incinerator is in burning state, described Upward, the gear ash that mandrel (18) is in covers the lower section of (21) to gear ash set (21) convex surface, the pore (20) on described mandrel (18) Opening upwards.

4. the fire grate device being applied to small refuse incinerator according to claim 1 is it is characterised in that described gear ash covers (21) cross section includes a horizontal component and the vertical portion being connected with described horizontal component two ends, and the length of described vertical portion Degree is much smaller than the length of described horizontal component；The lower section of gear ash set (21) that described mandrel (18) is in, on described mandrel (18) Pore (20) opening upwards.

5. the fire grate device being applied to small refuse incinerator according to claim 1 is it is characterised in that described gear ash covers (21) it is slab construction, and described mandrel (18) is in below described slab construction；Described pore (20) opening upwards.

6. the fire grate device being applied to small refuse incinerator according to claim 1 is it is characterised in that described gear ash covers (21) cross section is arc, and described arc opening is downward；Described mandrel (18) is in below described gear ash set (21), described core The opening upwards of the pore (20) on axle (18).

7. the fire grate device being applied to small refuse incinerator according to claim 4 or 5 is it is characterised in that described gear Burner port (32) is offered on ash set (21).

8. the fire grate device being applied to small refuse incinerator according to one of claim 1～6 is it is characterised in that institute State drive system (7) to include motor (15), at least one driving gear (14) being driven rotation by described motor (15), correspond to often Multiple furnace roller gears (13) of root furnace roller (4), two adjacent furnace roller gears (13) are engaged；Described driving gear (14) with wherein One furnace roller gear (13) engagement.

9. the fire grate device being applied to small refuse incinerator according to one of claim 1～6 is it is characterised in that institute State the furnace roller sprocket wheel (24) that drive system (7) inclusion is arranged on described mandrel (18) one end construction section (22)；Multiple furnace roller chains Wheel (24) is divided into two groups, and two adjacent furnace roller sprocket wheels (24) belong to different groups, forms two power transmission combinations；Often The drive sprocket (26) that individual power transmission combination also includes at least one motor (15) and at least one is driven by described motor；Institute Stating drive sprocket (26) drives the furnace roller sprocket wheel (24) in the transmission combination of this power to rotate by chain (25).

10. the fire grate device being applied to small refuse incinerator according to claim 9 is it is characterised in that each group of stove It is provided with equipment gear (23), and the midpoint of described equipment gear (23) between the two neighboring furnace roller gear (24) of roller gear (24) Not on the line between described two neighboring furnace roller gear (24) midpoint；Described equipment gear (23) passes through described chain (5) Connect with adjacent furnace roller gear (24).

11. fire grate devices being applied to small refuse incinerator according to one of claim 1～6 are it is characterised in that institute State drive system (7) and include expansion link (27)；Described expansion link (27) one end is connected with described body of heater (1)；Described expansion link (27) other end is connected with component frame (28)；Described construction section (22) is stretched out axle bed (12) and is connected with swing arm (29) one end afterwards；Institute State swing arm (29) other end hinged with described component frame (28).

12. fire grate devices being applied to small refuse incinerator according to claim 11 are it is characterised in that described mandrel (18) it is divided into multigroup, each group is correspondingly arranged on a described expansion link (27)；Each group of expansion link (27) and a component Frame (28) connects；Be connected with a described swing arm (29) with the every mandrel (18) in group mandrel (18), described swing arm (29) and This group corresponding component frame (28) is hinged.

A kind of 13. small refuse incinerators, including body of heater (1)；It is characterized in that, described body of heater (1) is provided with claim 1 The fire grate device being applied to small refuse incinerator described in one of～6.