CN207741118U - A kind of refuse incineration grate furnace of low energy consumption - Google Patents
A kind of refuse incineration grate furnace of low energy consumption Download PDFInfo
- Publication number
- CN207741118U CN207741118U CN201820086839.5U CN201820086839U CN207741118U CN 207741118 U CN207741118 U CN 207741118U CN 201820086839 U CN201820086839 U CN 201820086839U CN 207741118 U CN207741118 U CN 207741118U
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- China
- Prior art keywords
- fire grate
- mixing tube
- energy consumption
- burner hearth
- low energy
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- 238000005265 energy consumption Methods 0.000 title claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 54
- 239000003245 coal Substances 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 5
- 230000001105 regulatory effect Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 239000004744 fabric Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 11
- 238000004056 waste incineration Methods 0.000 abstract description 8
- 238000003912 environmental pollution Methods 0.000 abstract description 5
- 239000010813 municipal solid waste Substances 0.000 description 21
- 239000002817 coal dust Substances 0.000 description 16
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 14
- 239000003546 flue gas Substances 0.000 description 14
- 238000010304 firing Methods 0.000 description 6
- 239000007789 gas Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000006641 stabilisation Effects 0.000 description 2
- 238000011105 stabilization Methods 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 210000000038 chest Anatomy 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011026 diafiltration Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
The utility model discloses a kind of refuse incineration grate furnaces of low energy consumption, it includes burner hearth (1), and secondary combustion chamber (3) is provided with above burner hearth (1)；The bottom angled of burner hearth (1) is provided with fire grate (4), is provided with above fire grate (4) multiple along the equally distributed auxiliary combustion equipment of fire grate (4) inclined direction (6)；Feed hopper (7) is provided with above fire grate (4) top, the bottom end of feed hopper (7) is connected with electric gate valve (9)；The auxiliary combustion equipment (6) includes mixing tube (10), and secondary air channel (11) is socketed with outside mixing tube (10)；One end of the mixing tube (10) is connected with burning nozzles (14), is socketed with premix barrel (15) in the other end, through-hole (16) is uniformly provided on the tube wall of mixing tube (10) side；It is connected with pulverized coal bin (20) on the premix barrel (15).The utility model can not only reduce energy consumption, also have the advantages that waste incineration rate is higher, environmental pollution is small and combustion-supporting effect is good.
Description
Technical field
The utility model is related to a kind of waste incinerator, especially a kind of refuse incineration grate furnace of low energy consumption.
Background technology
Currently, the feed hopper of some existing waste incinerators is through type so that partial heat energy in burner hearth can from into
Effusion in hopper, to reduce the temperature in waste incinerator burner hearth so that need extraneous offer thermal energy to ensure to continue combustion
It burns, causes energy consumption higher；Also some waste incinerators directly steam the high-temperature flue gas generated after waste incineration for producing water
Gas generates electricity, and there are more organic substance is unburned in high-temperature flue gas so that waste incineration rate is relatively low；Simultaneously in vent gas treatment
When, it is more difficult that the organic substance inside high-temperature flue gas removes, and pollutes the environment；And flue gas also pollutes the environment from feed inlet effusion；
The combustion-supporting single fixation of point of auxiliary combustion equipment in burner hearth simultaneously so that combustion-supporting effect is poor；Coal dust in some auxiliary combustion equipments simultaneously
Be provided separately with air hose, then coal pipe is consistent with the direction of air hose, the mixed effect of such auxiliary combustion equipment is poor, energy consumption compared with
It is high；And the high-temperature flue gas jet length of the generation of such auxiliary combustion equipment is closer, combustion-supporting effect is poor.Therefore, existing rubbish is burnt
It burns stove and there is a problem that energy consumption is higher, waste incineration rate is relatively low, environmental pollution is serious and combustion-supporting effect is poor.
Utility model content
The purpose of the utility model is to provide a kind of refuse incineration grate furnaces of low energy consumption.The utility model can not only
Energy consumption is enough reduced, also has the advantages that waste incineration rate is higher, environmental pollution is small and combustion-supporting effect is good.
The technical solution of the utility model：A kind of refuse incineration grate furnace of low energy consumption, including burner hearth are provided in burner hearth
Hygrosensor；Secondary combustion chamber is provided with above burner hearth, secondary combustion chamber is connected to burner hearth；The bottom angled of burner hearth is arranged
There are fire grate, the bottom of fire grate to be provided with multiple biogas imports；Multiple auxiliary combustion equipments, all combustion-supporting dresses are provided with above fire grate
It sets and is uniformly arranged along the inclined direction of fire grate；Feed hopper is provided with above fire grate top, the side of fire grate bottom end is provided with
Scum pipe；The bottom end of feed hopper is connected with electric gate valve；The auxiliary combustion equipment includes mixing tube, and Secondary Air is socketed with outside mixing tube
Pipe；It is connected with blast pipe on secondary air channel, secondary blower is connected on blast pipe；One end of the mixing tube is connected with band
There are the burning nozzles of igniter, premix barrel is socketed in the other end；It is socketed on mixing tube on the tube wall of premix barrel one end
Multiple through-holes are uniformly provided with, and is socketed on mixing tube on the nozzle of premix barrel one end and is connected with rubber ring；The premix barrel
One end is arranged in mixing tube, and the other end is connected with primary blower；Top of the premix barrel close to primary blower one end
It is connected with feed pipe, pulverized coal bin is connected with above feed pipe, regulating valve is connected on feed pipe.
In a kind of refuse incineration grate furnace of low energy consumption above-mentioned, it is connected with air distribution plate in the premix barrel, on air distribution plate
It is evenly distributed with multiple ventilation holes.
In a kind of refuse incineration grate furnace of low energy consumption above-mentioned, the ventilation hole is parallel with the axis of mixing tube.
In a kind of refuse incineration grate furnace of low energy consumption above-mentioned, the burning nozzles are equipped with multiple delivery outlets, own
Delivery outlet with respect to mixing tube axis be in external inclined type spiral distribution.
In a kind of refuse incineration grate furnace of low energy consumption above-mentioned, the primary blower and secondary blower are
Frequency conversion fan.
In a kind of refuse incineration grate furnace of low energy consumption above-mentioned, the fire grate includes inverse-push fire grate and pusher type stove
Row is equipped with drop between inverse-push fire grate and pusher type fire grate.
Compared with prior art, the utility model improves existing waste incinerator, by the way that temperature detector, inspection is arranged
Fire box temperature is surveyed to control the combustion-supporting situation of auxiliary combustion equipment, reduces energy consumption；It is connected in the bottom end of feed hopper electronic
Gate reduces the loss of flue gas and heat in burner hearth, auxiliary combustion equipment is reduced while reducing environmental pollution and needs to provide
Thermal energy, further reduced energy consumption；It is provided with and communicated with secondary combustion chamber in burner hearth so that in burner hearth after primary combustion
Flue gas further burn in secondary combustion chamber, improve waste incineration rate；And the organic matter content in flue gas is reduced, it drops
Low tail gas pollution on the environment degree；By the way that a row auxiliary combustion equipment consistent with fire grate inclined direction is arranged, make combustion-supporting
Device can be preferably combustion-supporting by the rubbish moved on fire grate, and auxiliary combustion equipment flame can be injected on rubbish, and energy consumption is relatively low；It is logical
It crosses and is mixed First air and coal dust in premix barrel with primary blower, then led to part Secondary Air by secondary blower
It crosses through-hole on mixing tube to mix with coal dust, improves the mixed effect of combustion air and coal dust so that coal dust can fully burn, to
Reduce energy consumption；The distance that mixing tube can also be inserted by premix barrel can be by the number of openings of Secondary Air, to adjust to adjust
The secondary air flow mixed with coal dust is saved, improves the combustion rate that mixed effect improves coal dust, further decreases energy consumption；Mixing tube housing
Secondary air channel is connect, the outlet for the nozzles that burn in the outlet of secondary air channel and mixing tube is in the same face so that the secondary wind energy in part
Increase the distance that burning nozzles jet out flames, while increasing the jet length of high-temperature flue gas so that combustion-supporting effect is preferable.In addition,
The utility model premix barrel close to burning nozzles side be internally connected with air distribution plate, be evenly distributed on air distribution plate it is multiple with
The parallel ventilation hole of mixing tube axis can carry out current stabilization to the combustion air for being mixed with coal dust, improve the stability of flame, promotion helps
Fuel efficiency fruit；The delivery outlet that opposite mixing tube axis is in external inclined type spiral distribution is provided on burning nozzles simultaneously, it can be to prevent
Non-return fire；Primary blower and secondary blower are frequency conversion fan, can change wind turbine rotational frequency according to combustion needs,
Energy consumption can be reduced；So that rubbish is arrived first inverse-push fire grate, on inverse-push fire grate by bulk cargo and burning after by drop section, rubbish
Rubbish will produce overturning when passing through drop section, then carry out after-flame to pusher type fire grate, improve waste incineration rate.Therefore, this practicality
It is novel to reduce energy consumption, also have the advantages that waste incineration rate is higher, environmental pollution is small and combustion-supporting effect is good.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of auxiliary combustion equipment.
Label in attached drawing be：1- burner hearths, 2- hygrosensors, 3- secondary combustion chambers, 4- fire grates, 5- biogas imports, 6-
Auxiliary combustion equipment, 7- feed hoppers, 8- scum pipes, 9- electric gate valves, 10- mixing tubes, 11- secondary air channels, 12- blast pipes, 13- bis- times
Wind air blower, 14- burning nozzles, 15- premix barrels, 16- through-holes, 17- rubber rings, 18- primary blowers, 19- feed pipes,
20- pulverized coal bins, 21- regulating valves, 22- air distribution plates, 23- ventilation holes, 24- delivery outlets, 25- inverse-push fire grates, 26- pusher type stoves
Row.
Specific implementation mode
The utility model is further described with reference to the accompanying drawings and examples, but is not intended as to the utility model
The foundation of limitation.
Embodiment.A kind of refuse incineration grate furnace of low energy consumption is constituted as illustrated in fig. 1 and 2, including burner hearth 1, in burner hearth 1
It is provided with hygrosensor 2；The top of burner hearth 1 is provided with secondary combustion chamber 3, and secondary combustion chamber 3 is connected to burner hearth 1；Burner hearth 1
Bottom angled is provided with fire grate 4, and the bottom of fire grate 4 is provided with multiple biogas imports 5；The top of fire grate 4 is provided with multiple combustion-supporting
Device 6, all auxiliary combustion equipments 6 are uniformly arranged along the inclined direction of fire grate 4；Fire grate is provided with feed hopper above 4 top
7, the side of 4 bottom end of fire grate is provided with scum pipe 8；The bottom end of feed hopper 7 is connected with electric gate valve 9；The auxiliary combustion equipment 6 includes
Mixing tube 10, mixing tube 10 are socketed with secondary air channel 11 outside；It is connected with blast pipe 12 on secondary air channel 11, is connected on blast pipe 12
There is secondary blower 13；One end of the mixing tube 10 is connected with the burning nozzles 14 with igniter, other end inner sleeve
It is connected to premix barrel 15；It is socketed on mixing tube 10 on the tube wall of 15 one end of premix barrel and is uniformly provided with multiple through-holes 16, and mixed
It is socketed on pipe 10 on the nozzle of 15 one end of premix barrel and is connected with rubber ring 17；One end of the premix barrel 15 is arranged in mixing tube
In 10, the other end is connected with primary blower 18；Premix barrel 15 be connected with above 18 one end of primary blower into
Expects pipe 19,19 top of feed pipe are connected with pulverized coal bin 20, regulating valve 21 are connected on feed pipe 19.
It is connected with air distribution plate 22 in the premix barrel 15, multiple ventilation holes 23 are evenly distributed on air distribution plate 22；It is described logical
Air holes 23 is parallel with the axis of mixing tube 10；The burning nozzles 14 are equipped with multiple delivery outlets 24, all 24 phases of delivery outlet
Axis to mixing tube 10 is in external inclined type spiral distribution；The primary blower 18 and secondary blower 13 are frequency conversion
Wind turbine；The fire grate 4 includes inverse-push fire grate 25 and pusher type fire grate 26, is set between inverse-push fire grate 25 and pusher type fire grate 26
There is drop.
Operation principle：Rubbish is sent to after diafiltration after a period of time in feed hopper 7, the electric brake of 7 bottom of feed hopper
Door 9 is opened so that rubbish enters in burner hearth 1, and after rubbish enters in burner hearth 1, electric gate valve 9 is closed；Rubbish enters stove
After thorax 1 first on the inverse-push fire grate 25 in fire grate 4, inverse-push fire grate 25 can stir rubbish, can improve incineration firing
Rate.
Auxiliary combustion equipment 6 is started to work at this time, first adjusts the length that premix barrel 15 is inserted into mixing tube 10 according to combustion needs, with
It premix barrel 15 to be inserted into mixing tube 10, through-hole 16 of the mixing tube 10 on 15 side side wall of premix barrel is premixed the gear of pipe 15
Firmly, premix barrel 15 can be fixed in mixing tube 10 by rubber ring 17 of the mixing tube 10 on 15 side nozzle of premix barrel, and be adjusted
It saves also more convenient when 15 position of premix barrel；Secondary blower 13 is opened, combustion air is passed through air inlet by secondary blower 13
Pipe 12 is blown into secondary air channel 11, and part combustion air blows to 14 direction of burning nozzles along secondary air channel 11, and also part is combustion-supporting
Wind is entered by the through-hole 16 on mixing tube 10 in mixing tube 10；Restart primary blower 18, primary blower 18 will
Combustion air is blown into premix barrel 15, opens simultaneously the regulating valve 21 on feed pipe 19, the coal dust in pulverized coal bin 20 is in gravity
Entered in premix barrel 15 by feed pipe 19 down, mixing is blown into after the combustion air mixed coal powder that primary blower 18 drives at this time
In pipe 10, the combustion air that coal dust continues to blast with secondary blower 13 in mixing tube 10 is mixed；Then it is sufficiently mixed
The combustion-supporting wind of coal dust is evenly distributed with multiple ventilation holes parallel with 10 axis of mixing tube on air distribution plate 22 on air distribution plate 22
23, air distribution plate 22 can carry out current stabilization to the combustion air for being mixed with coal dust, and the output for making the combustion air for being mixed with coal dust stablize ensures flame
Stability；The combustion air for being finally mixed with coal dust enters in burning nozzles 14, and burning nozzles 14 are equipped with multiple opposite mixing tubes
10 axis are in the delivery outlet 24 of external inclined type Spiral distribution, after being mixed with the combustion air of coal dust by delivery outlet 24, are sprayed in the shape of a spiral,
The igniter burnt on nozzles 14 at this time lights the combustion air for being mixed with coal dust, jets out flames on the nozzles 14 that burn, gives rubbish
Thermal energy is provided and lights rubbish, can prevent from being tempered in the delivery outlet 24 of external inclined type Spiral distribution；It is blown out on secondary air channel 11
Combustion air is providing oxygen to flame, and while improving coal combustion rate, the high-temperature flue gas that flame and flame generate is blown more
Far, combustion-supporting effect is promoted.
The biogas import 5 of 4 lower section of fire grate sprays into biogas in burner hearth 1, ensures the gas quantity in burner hearth 1, garbage energy is made to fill
Divided combustion improves incineration firing rate；Rubbish is byed that inverse-push fire grate 25 stirs while burning, since fire grate 4 is to tilt to set
It sets, rubbish can move gradually downward, when rubbish passes through drop section, will produce larger overturning by unburned part rubbish
Surface is turned to, to make this part garbage energy burning in subsequent combustion completely, further improve incineration firing rate；Rubbish is inverse
The comparison burnt on pushing-type fire grate 25 is abundant, needs the residual refuse to burn less on pusher type fire grate 26, therefore uses forwards
Formula fire grate 26, can by incineration firing it is complete after be quickly discharged from scum pipe 8, improve garbage treatment efficiency.
The hygrosensor 2 being arranged in burner hearth 1 can preferably reflect the temperature in burner hearth 1, to which staff can root
According to the temperature in burner hearth 1, to adjust the combustion-supporting situation of biogas inlet and auxiliary combustion equipment 6 in burner hearth 1, energy saving consumption.
The high-temperature flue gas generated after incineration firing in burner hearth 1 is blocked by electric gate valve 9, is prevented the pollution of the environment and is escaped with heat
It dissipates；High-temperature flue gas enters the secondary combustion chamber 3 of 1 top of burner hearth, and flue gas is further burnt, made residual in flue gas by secondary combustion chamber 3
Remaining organic substance burning is complete, and tail gas pollution is reduced while improving incineration firing rate.
Claims (6)
1. a kind of refuse incineration grate furnace of low energy consumption, it is characterised in that：Including burner hearth (1), temperature spy is provided in burner hearth (1)
Survey device (2)；Secondary combustion chamber (3) is provided with above burner hearth (1), secondary combustion chamber (3) is connected to burner hearth (1)；Burner hearth (1)
Bottom angled is provided with fire grate (4), and the bottom of fire grate (4) is provided with multiple biogas imports (5)；Fire grate is provided with above (4)
Multiple auxiliary combustion equipments (6), all auxiliary combustion equipments (6) are uniformly arranged along the inclined direction of fire grate (4)；Fire grate (4) top
Top is provided with feed hopper (7), and the side of fire grate (4) bottom end is provided with scum pipe (8)；The bottom end of feed hopper (7) is connected with electricity
Dynamic gate (9)；The auxiliary combustion equipment (6) includes mixing tube (10), and secondary air channel (11) is socketed with outside mixing tube (10)；Secondary Air
It is connected with blast pipe (12) on pipe (11), secondary blower (13) is connected on blast pipe (12)；The mixing tube (10)
One end is connected with the burning nozzles (14) with igniter, and premix barrel (15) is socketed in the other end；Mixing tube covers on (10)
It is connected on the tube wall of premix barrel (15) one end and is uniformly provided with multiple through-holes (16), and premix barrel is socketed on mixing tube (10)
(15) rubber ring (17) is connected on the nozzle of one end；One end setting of the premix barrel (15) is another in mixing tube (10)
End is connected with primary blower (18)；Premix barrel (15) is connected with feed pipe above primary blower (18) one end
(19), it is connected with pulverized coal bin (20) above feed pipe (19), regulating valve (21) is connected on feed pipe (19).
2. a kind of refuse incineration grate furnace of low energy consumption according to claim 1, it is characterised in that：The premix barrel (15)
It is inside connected with air distribution plate (22), multiple ventilation holes (23) are evenly distributed on air distribution plate (22).
3. a kind of refuse incineration grate furnace of low energy consumption according to claim 2, it is characterised in that：The ventilation hole (23)
It is parallel with the axis of mixing tube (10).
4. a kind of refuse incineration grate furnace of low energy consumption according to claim 1, it is characterised in that：The burning nozzles
(14) multiple delivery outlets (24) are equipped with, all delivery outlets (24) divide with respect to the axis of mixing tube (10) in external inclined type helical form
Cloth.
5. a kind of refuse incineration grate furnace of low energy consumption according to claim 1, it is characterised in that：The First air air blast
Machine (18) and secondary blower (13) are frequency conversion fan.
6. a kind of refuse incineration grate furnace of low energy consumption according to any claim in claim 1 to 5, feature exist
In：The fire grate (4) includes inverse-push fire grate (25) and pusher type fire grate (26), inverse-push fire grate (25) and pusher type fire grate
(26) drop is equipped between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086839.5U CN207741118U (en) | 2018-01-19 | 2018-01-19 | A kind of refuse incineration grate furnace of low energy consumption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820086839.5U CN207741118U (en) | 2018-01-19 | 2018-01-19 | A kind of refuse incineration grate furnace of low energy consumption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207741118U true CN207741118U (en) | 2018-08-17 |
Family
ID=63123583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820086839.5U Active CN207741118U (en) | 2018-01-19 | 2018-01-19 | A kind of refuse incineration grate furnace of low energy consumption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207741118U (en) |
-
2018
- 2018-01-19 CN CN201820086839.5U patent/CN207741118U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Lingjie Inventor after: Rui Yong Inventor after: Shan Chao Inventor after: Shan Yue Inventor before: Wang Lingjie |
|
| CB03 | Change of inventor or designer information |