CN209602470U - Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device - Google Patents
Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device Download PDFInfo
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- CN209602470U CN209602470U CN201920382073.XU CN201920382073U CN209602470U CN 209602470 U CN209602470 U CN 209602470U CN 201920382073 U CN201920382073 U CN 201920382073U CN 209602470 U CN209602470 U CN 209602470U
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- pressure
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Abstract
Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device, it is characterized in that: being equipped with feeding device on circle fluidized-bed gasification furnace riser, bottom burner hearth is equipped with air distribution plate and blast cap, respectively with riser and cyclone separator upper end positioned on together, the both ends of returning charge pipeline are fitted together with riser and fluidisation material returning device discharging port of fluidized bed respectively at the both ends of smoke discharging pipe；Partition is welded on the inner wall of fluidisation material returning device front and back, and the bottom for fluidizing material returning device is equipped with air distribution plate and blast cap, and ash inlet of the upper and lower ends of ash releasing tube respectively with ash discharging hole and spiral ash cooler is fitted together；Frequency by changing fluidized air blower adjusts returning charge air compartment and fluidisation air compartment air quantity；Returning charge device for pressure measurement and fluidized pressure measuring device are attached separately on pressure-measuring-point, are monitored to fluidized state in material returning device；And spiral ash cooler is controlled by adjusting motor, guarantee suitable inventory in material returning device, prevents in material returning device that goods fluid is bad or returning charge is very few and causes coking.
Description
Technical field
The utility model relates to one kind from Circulating Fluidized Bed Gasifier For Biomass, specifically a kind of biomass circulating stream
Change bed gasification furnace material returning device carbonizing device.
Background technique
Circulating Fluidized Bed Gasifier For Biomass is just obtaining increasingly as a kind of efficient, quick biomass energy switch technology
More attention and application, domestic scientific research mechanism and enterprise are increasingly heavier to Biomass Gasification in Circulating Fluidized Bed research application at present
Depending on different types of structure Circulating Fluidized Bed Gasifier For Biomass is produced in design, using broken biomass powder as life
The pyrolysis effect of gasification substance furnace raw material is relatively good, to make full use of straw in agricultural production, castoff burning power generation and
Gas for domestic use, have it is energy saving, prevent the pollution of the environment, played positive Social benefit and economic benefit.
But for the pyrolytic reaction system of some existing vulcanization bed biomass gasifyings, high temperature of the biomass powder at 800 DEG C
The time stopped in gasification furnace stay it is shorter whirlwind will be taken to by high temperature gas carrier and divide in ash handling equipment, this to fill in cyclone ash removal
The biomass char for setting collection has reached 20%-30%, this part biological matter coke is remaining to be mainly other than the ash content containing 2%
Fixed carbon in biomass, fixed carbon generate energy due to needing that pyrolytic reaction can just occur in hot conditions, secondary follow to its
Ring is utilized there are still technology barrier, and the thermal efficiency for resulting in gasification burner is relatively low.Therefore, how the fixed carbon of this part to be utilized
Come, needs technology solution.
For this reason, it is necessary to which designing one kind not only can be improved the thermal efficiency of biomass gasifying furnace, but also biogas can be disguised
It sets the byproduct fixed carbon generated in production process and separates a kind of new solution produced.
Summary of the invention
The purpose of the utility model is to overcome in the pyrolytic reaction system of existing vulcanization bed biomass gasifying, failing will be biological
The defect that the fixed carbon generated in matter gasification production process is separated, provides a kind of Circulating Fluidized Bed Gasifier For Biomass returning charge
Device carbonizing device, the arrangement achieves the thermals efficiency that biomass gasifying furnace not only can be improved, but also can produce gasification of biomass
The fixed carbon separation generated in journey is produced.And the device design structure is reasonable, carbon efficiencies processed are high, and it is easy to maintenance, it improves
The economic benefit and social benefit of enterprise.
The technical scheme adopted by the utility model is Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device: packet
It includes riser, feeding device, burner hearth, smoke discharging pipe, returning charge pipeline, cyclone separator, cleaning shaft, cyclone dust collectors, erect
Pipe, blast cap, air distribution plate, air compartment, blower, air hose, dust leg, motor (frequency conversion), spiral ash cooler, aqueduct valve, storage bin, stream
Change device for pressure measurement, returning charge device for pressure measurement, fluidisation material returning device.
The Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device: on circle fluidized-bed gasification furnace riser
Equipped with the first feeding device and the second feeding device, the bottom of riser is equipped with burner hearth, burner hearth bottom is equipped with air distribution plate and wind
Cap, air inlet of the both ends of wind conveying pipe road respectively with air blower and lower furnace portion link together；The connection of steam pipeline one end
Two tube heads are attached separately on the air inlet at the about 30cm of air distribution plate upper end on furnace body, for adjusting gasification furnace reaction temperature；Smoke evacuation
Upper end of the both ends of pipeline respectively with riser and cyclone separator is installed together, the both ends of returning charge pipeline respectively with riser
It is fitted together with the discharge port of fluidisation material returning device side fluidized bed；Partition is welded on the inner wall of fluidisation material returning device front and back, and partition is left
Side is returning charge bed, right side is fluidized bed；The bottom for fluidizing material returning device is equipped with air distribution plate, and blast cap is housed on air distribution plate, on air distribution plate
Equipped with ash discharging hole, the upper and lower ends of ash releasing tube are installed together with the ash inlet on ash discharging hole and spiral ash cooler respectively, ash discharge
Pipe is equipped with built-in control plate；The both ends of vertical tube and fluidisation material returning device moving bed top end face material inlet and cyclone separator
Lower end outlet be installed together；Returning charge air compartment and fluidisation air compartment, the two nozzles difference of ∪ shape pipe are equipped with below air distribution plate
It is fitted together with returning charge air compartment and the air inlet for fluidizing air compartment, the both ends of third wind conveying pipe are fluidized with ∪ shape pipe and frequency conversion type respectively
The air outlet of blower is fitted together, and the frequency by changing fluidized air blower adjusts returning charge air compartment and fluidizes the air quantity of air compartment；Returning charge
Device for pressure measurement is attached separately on first class pressure-measuring-point and the second fluidisation pressure-measuring-point；Fluidized pressure measuring device difference
On the first returning charge pressure-measuring-point and the second returning charge pressure-measuring-point.
The returning charge device for pressure measurement is made of pressure samples cylinder and pressure transmitter, and pressure samples cylinder is by returning charge bed
On pressure signal by data line send to pressure transmitter be changed into 4-20mA electric signal be supplied to DCS monitoring.
The fluidized pressure measuring device is made of pressure samples cylinder and pressure transmitter, and pressure samples cylinder is by fluidized bed
On pressure signal sent by data line and be changed into 4-20mA electric signal to pressure transmitter and monitored for DCS, while sending to frequency conversion
Electric machine controller adjusts spiral ash cooler revolving speed.
The spiral ash cooler: spiral ash cooler is fixed on bracket, and one end of the first water pipe is mounted on cold spiral shell
The left end of ash cooler is revolved, the first valve is on the first water pipe；Second water pipe is mounted in the right end of spiral ash cooler, the second valve dress
On the second water pipe；The both ends of second cement output tank are attached separately on storage bin and spiral ash cooler ash hole.
The steam pipeline: steam is inputted into burner hearth by steam pipeline to adjust gasification furnace reaction temperature.
The beneficial effects of the utility model are: a kind of produce biomass from the material returning device of Circulating Fluidized Bed Gasifier For Biomass
The device of charcoal monitors material returning device by the fluidized pressure measuring device and returning charge device for pressure measurement installed on fluidisation material returning device
Inventory inside vertical tube, the envelope spiral ash cooler revolving speed driven by adjusting motor (frequency conversion), both ensure that recirculating fluidized bed
Circulated material quantity necessary to gasification furnace, in turn ensures the sealing safety issue for producing biomass carbon, and equipment is simple, maintenance side
Just, meet the requirement that gasification furnace charcoal processing is run reliably and with long-term.
Detailed description of the invention
Below in conjunction with drawings and examples, the utility model is described in further detail.
Fig. 1 is the structural schematic diagram of Circulating Fluidized Bed Gasifier For Biomass,
Fig. 2 is the fluidisation material returning device section view enlarged structure schematic diagram in Fig. 1；
Fig. 3 is A-A cutaway enlargement diagram.
1. riser in figure, 2. first feeding devices (stalk), 3. second feeding devices (rice husk), 4. burner hearths, 5. steam
Steam pipe road, 6. smoke discharging pipes, 7. returning charge pipelines, 8. cyclone separators, 9. cleaning shafts, 10. cyclone dust collectors, 11. vertical tubes,
12. blast cap, 13. air distribution plates, 14b. returning charge air compartment, 14c. fluidize air compartment, 15. first blowers, 16. first air hoses, 17. put ash
Pipe, 18 second air hoses, 19. third air hoses, 20. frequency conversion type fluidized air blowers, 21. the 4th air hoses, 22 booster fans, 23. insert
Plate, 24.. motor, 24. spiral ash coolers, 25. first water pipes, 26. first aqueduct valves, 27 second water pipes, the second water of 28..
Tube valve, 29. second cement output tanks, 30. storage bins, 31e. first class pressure-measuring-point, 31f. second fluidize pressure-measuring-point 31f,
32h. the first returning charge pressure-measuring-point, 32t. the second returning charge pressure-measuring-point, a. fluidize material returning device, g. motor (frequency conversion), m. blast cap, n.
Partition.
Specific embodiment
In the embodiment that the utility model provides Fig. 1, Fig. 2 and Fig. 3, on circle fluidized-bed gasification furnace riser 1
Equipped with the first feeding device 2 and the second feeding device 3, the bottom of riser 1 is equipped with burner hearth, burner hearth bottom is equipped with 4 plate of cloth wind
With blast cap m, air inlet of the both ends of wind conveying pipe road 16 respectively with 4 lower part of air blower 15 and burner hearth links together；Steam pipeline 5
Two tube heads of one end connection, are attached separately on the air inlet at the about 30cm of air distribution plate upper end on furnace body, by steam pipeline to furnace
Steam is inputted in thorax to adjust gasification furnace reaction temperature.
Upper end of the both ends of smoke discharging pipe 6 respectively with riser 1 and cyclone separator 8 is installed together, returning charge pipeline 7
Discharge port of the both ends respectively with riser 1 and the fluidisation side material returning device a fluidized bed is fitted together；Partition n is welded on fluidisation returning charge
Before and after device a on inner wall, on the left of partition n be fluidized bed, right side is moving bed；The bottom for fluidizing material returning device is equipped with air distribution plate 13, cloth
On aerofoil 13 be equipped with blast cap 12, air distribution plate 13 be equipped with ash discharging hole, the upper and lower ends of ash releasing tube 17 respectively with ash discharging hole and water cooling
Ash inlet on spiral ash cooler 24 is installed together, and ash releasing tube 17 is equipped with built-in control plate 23；The both ends of vertical tube 11
It is installed together with the outlet of the lower end of fluidisation material returning device a moving bed top end face material inlet and cyclone separator 8；In air distribution plate
Below 13 be equipped with returning charge air compartment 14b and fluidisation air compartment 14c, two nozzles of ∪ shape pipe 18 respectively with returning charge air compartment 14b and fluidisation
The air inlet of air compartment 14c is fitted together, and the both ends of third wind conveying pipe 19 are filled with ∪ shape pipe 18 and 20 air outlet of fluidized air blower respectively
Together.
In the utility model embodiment: returning charge being installed on the fluidized pressure measuring point in the fluidisation material returning device a
It is identical to be separately installed with structure on the fluidisation of first class pressure-measuring-point 31e and second pressure-measuring-point 31f for device for pressure measurement
Returning charge device for pressure measurement；Returning charge device for pressure measurement is made of pressure samples cylinder and pressure transmitter, and pressure samples cylinder will
Pressure signal on returning charge bed is sent by data line to be changed into 4-20mA electric signal to pressure transmitter and is supplied to DCS monitoring (not
Draw returning charge pressure signal transmission principle figure).
In the utility model embodiment: fluidisation being installed on the fluidized pressure measuring point in the fluidisation material returning device a
Device for pressure measurement on returning charge pressure-measuring-point 32t, is separately installed with structure in the first returning charge pressure-measuring-point 32h and 32t. second
Identical fluidized pressure measuring device；Fluidized pressure measuring device is made of pressure samples cylinder and pressure transmitter, pressure samples
Cylinder by the pressure signal on fluidized bed by data line send to pressure transmitter be changed into 4-20mA electric signal for DCS monitor (not
Draw the pressure signal transmission principle figure on fluidized bed), while giving to variable-frequency motor g controller and adjusting 24 turns of spiral ash cooler
Speed.
In the embodiments of the present invention: spiral ash cooler 24 is fixed on support base, the first water pipe 25
One end is mounted on the left end of spiral ash cooler 24, and the first valve 26 is on the first water pipe；Second water pipe 27 is mounted in the cold ash of spiral
The right end of machine 24, the second valve of 28 is on the second water pipe 27；The upper end of second cement output tank 29 and 24 ash hole of spiral ash cooler
It is installed together, the lower end of the second cement output tank 29 is on 30 feed inlet of storage bin.
In the embodiments of the present invention: goods fluid is bad causes coking to prevent in fluidisation material returning device, works as stream
Change average pressure in material returning device Fluidizer and be greater than 1.5 kpa, when recycle stock is more in material returning device standpipe 11, by variable-frequency motor g
Frequency control be 50 HZ.
When average pressure is less than 0.5 kpa in fluidisation material returning device, recycle stock is less in material returning device standpipe 11, to guarantee
The frequency control of the normal Matter Transfer of gasification furnace, motor 14 is 0 HZ.
Pressure samples cylinder and pressure transmitter are to buy component in the market.
Working principle:
By biomass fuel through in the first feeding or the second feed device material mouth investment gasification furnace, the material of burner hearth 4 is in drum
Enter in cyclone separator 8 under the action of blower 15 and the first air hose 16 through 1 top smoke discharging pipe 6 of gasification furnace riser, is increasing
Material is separated under the action of the 4th air hose 21 of pressure fan 22 and cyclone separator 8, material (the uncombusted life isolated
Substance charcoal) entered in material returning device a by vertical tube 11；Fluidized air blower 20, third air hose 19 and ∪ shape pipe 18 dispense a gas onto fluidisation
Air compartment and returning charge air compartment, blow out by blast cap, make goods fluid and have good mobility, material a part in material returning device
Burner hearth 4 is returned to through refeed line 7, another part is come out of the stove by material returning device bottom dust leg 17 through the cooling heel row of spiral ash cooler 24
Outside, to obtain biomass carbon.
On Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device, pass through the fluidized pressure measuring device 32 of installation
With returning charge device for pressure measurement 31, fluidized state in material returning device is monitored, and cold to spiral by adjusting motor (frequency conversion) g
Grey machine is controlled, and is guaranteed suitable inventory in material returning device, is prevented that goods fluid is bad in material returning device or returning charge is very few
And cause coking.
Claims (4)
1. Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device, including riser, feeding device, burner hearth, smoke discharging pipe,
Returning charge pipeline, cleaning shaft, cyclone dust collectors, vertical tube, blast cap, air distribution plate, air compartment, blower, air hose, puts ash at cyclone separator
Pipe, motor, spiral ash cooler, aqueduct valve, storage bin, measuring device, fluidisation material returning device；It is characterized in that: in recirculating fluidized bed
Gasification furnace riser is equipped with the first feeding device and the second feeding device, and the bottom of riser is equipped with burner hearth, burner hearth bottom is pacified
Equipped with air distribution plate and blast cap, air inlet of the both ends of wind conveying pipe road respectively with air blower and lower furnace portion links together；Steam
Two tube heads of pipeline one end connection are attached separately on the air inlet at the about 30cm of air distribution plate upper end on furnace body, for adjusting gasification furnace
Reaction temperature；Upper end of the both ends of smoke discharging pipe respectively with riser and cyclone separator is installed together, and the two of returning charge pipeline
Discharge port of the end respectively with riser and fluidisation material returning device side fluidized bed is fitted together；Partition is welded on before and after fluidisation material returning device
On inner wall, on the left of partition be returning charge bed, right side is fluidized bed；The bottom for fluidizing material returning device is equipped with air distribution plate, is equipped on air distribution plate
Blast cap, air distribution plate are equipped with ash discharging hole, and the upper and lower ends of ash releasing tube are pacified with the ash inlet on ash discharging hole and spiral ash cooler respectively
It is fitted together, ash releasing tube is equipped with built-in control plate；The both ends of vertical tube and fluidisation material returning device moving bed top end face material into
The outlet of the lower end of mouth and cyclone separator is installed together；Returning charge air compartment and fluidisation air compartment, ∪ shape are equipped with below air distribution plate
Two nozzles of pipe respectively with returning charge air compartment and fluidize air compartment air inlet be fitted together, the both ends of third wind conveying pipe respectively with ∪ shape
The air outlet of pipe and frequency conversion type fluidized air blower is fitted together, and the frequency by changing fluidized air blower adjusts returning charge air compartment and fluidized wind
The air quantity of room；Returning charge device for pressure measurement is attached separately on first class pressure-measuring-point and the second fluidisation pressure-measuring-point, fluidisation pressure
Force measuring device is attached separately on the first returning charge pressure-measuring-point and the second returning charge pressure-measuring-point.
2. Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device according to claim 1, it is characterized in that: returning charge
Device for pressure measurement is made of pressure samples cylinder and pressure transmitter, and pressure samples cylinder passes through data line for the pressure on returning charge bed
Signal send to pressure transmitter be changed into 4-20mA electric signal be supplied to DCS monitoring.
3. Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device according to claim 1, it is characterized in that: fluidisation
Device for pressure measurement is made of pressure samples cylinder and pressure transmitter, and the pressure signal on fluidized bed is passed through number by pressure samples cylinder
It send according to line to pressure transmitter and is changed into 4-20mA electric signal for DCS monitoring, while sending to variable frequency motor controller and adjusting spiral shell
Revolve ash cooler revolving speed.
4. Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device according to claim 1, it is characterized in that: described
Water-cooling spiral ash cooler: spiral ash cooler is fixed on bracket, and one end of the first water pipe is mounted on spiral ash cooler
Left end, the first valve is on the first water pipe；Second water pipe is mounted in the right end of spiral ash cooler, and the second valve is mounted in the second water pipe
On；The both ends of second cement output tank are attached separately on storage bin and spiral ash cooler ash hole.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920382073.XU CN209602470U (en) | 2019-03-25 | 2019-03-25 | Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device |
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| CN201920382073.XU CN209602470U (en) | 2019-03-25 | 2019-03-25 | Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762605A (en) * | 2019-03-25 | 2019-05-17 | 湖北华电襄阳发电有限公司 | Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device |
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2019
- 2019-03-25 CN CN201920382073.XU patent/CN209602470U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109762605A (en) * | 2019-03-25 | 2019-05-17 | 湖北华电襄阳发电有限公司 | Circulating Fluidized Bed Gasifier For Biomass material returning device carbonizing device |
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