A kind of biomass gasifying furnace high temperature ash water cooling air-transport system
Technical field
The utility model is related to biomass field, particularly a kind of biomass gasifying furnace high temperature ash water cooling Geldart-D particle system
System.
Background technology
The recovery energy of China's biomass resource, particularly agricultural, production of forestry changing rejected material to useful resource, recovery energy
Field, industrialization level is very low, and substantial amounts of agricultural, production of forestry discarded object are not utilized effectively, and are not only huge wave
Take, but also the important sources as environmental pollution.Biomass Gasification in Circulating Fluidized Bed mode is because being capable of achieving fairly large industry
Change application, be the effective way and developing direction of biomass efficient recovery energy.
Biomass Gasification in Circulating Fluidized Bed is anti-by biomass oxidizing fire, reduction and thermal decomposition etc. in gasification furnace
Answer, including part material is burnt with the oxygen in air, there is provided the energy required for reduction and pyrolysis, it is most of former
Material is thermally decomposed under high temperature state, produces temperature -750 DEG C of combustion gas more than 700 DEG C and grey mixture.
The patent document of Authorization Notice No. CN203741289 U discloses a kind of gasification of biomass high temperature ash cooling delivery system
System, including soot blower and be sequentially connected in series device for cooling ash, the first flapper, manually operated door, the second flapper, intermediate bunker,
Storehouse pump, ash concentrate storage tank, the device for cooling ash include at least two sections arranged in series heat exchanger tubes and with the vertically disposed soot blowing of heat exchanger tube
Device, the spacing of heat exchanger tube adjacent tubes between 25-40mm, soot blower and heat exchange tube pitch recently between 150-300mm, farthest
It is 1-1.5m, the intermediate bunker and atmosphere, the ash stored in intermediate bunker are defeated using positive Pressure Transportation System by storehouse pump
Deliver to ash and concentrate storage tank storage.The utility model can ensure ash pass through not occur biomass ash put up a bridge cause heat exchanger block up
Plug, while ensureing heat transfer effect to reduce heat exchanger cost;Can also avoid induction system pressure-air from entering negative pressure and run high temperature
Gasification burning region, prevents gas explosion.
During actually used tubular type ash cooler cooling down high-temperature ash, the modulability of device for cooling ash is poor, and easily blocks.
Utility model content
The utility model purpose is to provide a kind of biomass gasifying furnace high temperature ash water cooling air-transport system, it is not easy to
Block.
It is that, up to above-mentioned advantage, the utility model provides a kind of biomass gasifying furnace high temperature ash water cooling air-transport system,
Including water-cooling spiral conveyer, surge bunker, storehouse pump, second cyclone dust extractor, dry ash storehouse, described second cyclone dust extractor, water
Cooling spiral conveyor, surge bunker, storehouse pump, dry ash storehouse arrange according to the conveying direction of biomass ash, the water-cooling spiral conveyer
High-temperature biomass ash for the second cyclone dust extractor to be separated is transported to the surge bunker after cooling down.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Water-cooling spiral conveyer includes cooling line and spiral conveying mechanism, and the spiral conveying mechanism is provided with motor.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Conveyer electric lock air valve is provided between water-cooling spiral conveyer, surge bunker.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Storehouse pump is used to that biomass ash malleation concentrated phase to be transported into the dry ash storehouse from the surge bunker by compressed air.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Surge bunker hand operated gate valve, surge bunker electric gate valve are provided between surge bunker, storehouse pump.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
The top in dry ash storehouse and atmosphere are simultaneously provided with deduster.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Dry ash orlop portion is provided with drain hole and baiting valve.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
The temperature acquisition element for gathering biomass ash temperature is provided between water-cooling spiral conveyer, surge bunker.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Cooling line is provided with water pump.
It is described in one embodiment of biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system
Biomass gasifying furnace high temperature ash water cooling air-transport system also includes controller, the controller and described motor, water pump,
Temperature acquisition element is electrically connected.
In biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system, by setting water-cooling spiral
Conveyer is cooled down and transmits biomass ash, and biomass ash is not easy to block water-cooling spiral conveyer or water-cooling spiral conveyer and delay
The pipeline rushed between storehouse, and the rotational speed regulation of adjustable water cooling spiral conveyor conveys grey flow.
Brief description of the drawings
Fig. 1 show the biomass gasifying furnace high temperature ash water cooling air-transport system of the utility model first embodiment
Structure chart.
Fig. 2 show the process chart of the biomass gasifying furnace high temperature ash water cooling air-transport system of Fig. 1.
Fig. 3 show the biomass gasifying furnace high temperature ash water cooling air-transport system of the utility model second embodiment
Structure chart.
Specific embodiment
Further to illustrate that the utility model is to reach technological means and effect that predetermined utility model purpose is taken,
Below in conjunction with accompanying drawing and preferred embodiment, to foundation the utility model proposes specific embodiment, structure, feature and its effect,
Describe in detail as after.
Fig. 1 show the biomass gasifying furnace high temperature ash water cooling air-transport system of the utility model first embodiment
Structure chart.Fig. 1 is referred to, the biomass gasifying furnace high temperature ash water cooling air-transport system of the present embodiment includes that water-cooling spiral is defeated
Send machine 1, surge bunker 2, storehouse pump 3, second cyclone dust extractor 4, dry ash storehouse 5.Second cyclone dust extractor 4, water-cooling spiral conveyer 1,
Surge bunker 2, storehouse pump 3, dry ash storehouse 5 arrange according to the conveying direction of biomass ash.
Second cyclone dust extractor 4 is used for separating biomass ash and gasification of biomass combustion from the flue gas of biomass gasifying furnace
Gas, the ash hole of second cyclone dust extractor 4 is connected with water-cooling spiral conveyer 1.The ash hole and water of second cyclone dust extractor 4
Cyclone dust collectors hand operated gate valve 41 is provided between cooling spiral conveyor 1.The purposes of cyclone dust collectors hand operated gate valve 41 is to work as
When water-cooling spiral conveyer 1 breaks down, separate second cyclone dust extractor 4 and water-cooling spiral conveyer 1, water-cooling spiral is conveyed
Machine 1 is repaired.
Water-cooling spiral conveyer 1, the high-temperature biomass ash for second cyclone dust extractor 4 to be separated is conveyed after cooling down
To surge bunker 2.Water-cooled pipeline is provided with water-cooling spiral conveyer 1.High-temperature biomass ash is water cooled generally at 600 DEG C -800 DEG C
After conveying worm cooling biomass ash needed according to storehouse pump 3 set, usually 50 DEG C ~ 200 DEG C.It is cold in water-cooled pipeline
But the flow direction of water is in opposite direction with the conveying biomass ash of water-cooling spiral conveyer 1, also can be identical.Water-cooling spiral conveyer 1
Spiral ash sending mechanism is configured with motor.Conveyer electric lock air valve 11 is provided between water-cooling spiral conveyer 1, surge bunker 2.
The purposes of electric lock air valve 11 is to prevent from gas from passing through water-cooling spiral conveyer 1, second cyclone dust extractor 4 to enter gas
Change furnace interior.When water-cooling spiral conveyer 1 does not work, electric lock air valve 11 is closed.
Surge bunker 2 is used to store biomass ash, prevents the compressed air of storehouse pump 3 in the biomass of water-cooling spiral conveyer 1
During grey negligible amounts, the compressed air of storehouse pump 3 enters inside gasification furnace, and the biomass ash of storage can make storehouse pump 3 in surge bunker 2
Air pressure with water-cooling spiral conveyer 1 is separate.Surge bunker hand operated gate valve 22 is provided between surge bunker 2, storehouse pump 3.Buffering
Storehouse hand operated gate valve 22 is used for trouble hunting.
Biomass ash malleation concentrated phase is transported to dry ash storehouse 5 by storehouse pump 3 by compressed air from surge bunker 2.
Dry ash storehouse 5 is used to store biomass ash.The silo roof of dry ash storehouse 5 and atmosphere are simultaneously provided with roof scrubber 51.Dry ash
The bottom of storehouse 5 is provided with drain hole and baiting valve.
Fig. 2 show the process chart of the biomass gasifying furnace high temperature ash water cooling air-transport system of Fig. 1.This practicality
The new course of work is:
The separating biomass combustion gas of second cyclone dust extractor 4 and high-temperature biomass ash, when second cyclone dust extractor 4 reaches necessarily
During quantity, electric lock air valve 11 is opened, and water-cooling spiral conveyer 1 starts;
High-temperature biomass ash enters water-cooling spiral conveyer 1 by ash hole, and water-cooling spiral conveyer is in conveying biomass
While ash is to surge bunker 2, the water coke slurry heat in biomass ash and cooling line, biomass ash cooling;
Biomass ash is stored to surge bunker 2 is interior, when the quantity of biomass ash can make storehouse pump 3 and water-cooling spiral conveyer 1
Air pressure it is separate when, to compressed air is passed through in storehouse pump 3, biomass ash is transported in dry ash storehouse 5.
Fig. 3 show the biomass gasifying furnace high temperature ash water cooling air-transport system of the utility model second embodiment
Structure chart.Fig. 3 is referred to, in the present embodiment, is provided between water-cooling spiral conveyer 1, surge bunker 2 for gathering biomass ash temperature
The temperature acquisition element 1a of degree.Cooling line is provided with water pump 1b.Biomass gasifying furnace high temperature ash water cooling air-transport system is also
Including controller 10, controller 10 is electrically connected with motor 1c, water pump 1b, temperature acquisition element 1a.
The biomass ash temperature information of the collecting temperature acquisition elements 1a of controller 10, controller 10 is additionally operable to controlled motor
The power output of 1c, water pump 1b.
When the temperature of biomass ash temperature is higher than given threshold, the power output of the controlled motor 1c of controller 10 reduces
With or water pump 1b power output increase.Ensure that the temperature range of the biomass ash after cooling.
In biomass gasifying furnace high temperature of the present utility model ash water cooling air-transport system, by setting water-cooling spiral
Conveyer is cooled down and transmits biomass ash, and biomass ash is not easy to block water-cooling spiral conveyer and water-cooling spiral conveyer and delay
The pipeline rushed between storehouse.
More than, only it is preferred embodiment of the present utility model, any formal limit is not made to the utility model
System, although the utility model is disclosed above with preferred embodiment, but is not limited to the utility model, any to be familiar with sheet
Technical professional, is not departing from the range of technical solutions of the utility model, when the technology contents using the disclosure above are made
Go out it is a little change or be modified to the Equivalent embodiments of equivalent variations, as long as be without departing from technical solutions of the utility model content, according to
Any simple modification, equivalent variations and the modification made to above example according to technical spirit of the present utility model, still fall within
In the range of technical solutions of the utility model.