CN207439108U - A kind of drying device suitable for different water capacity bulk biomass - Google Patents
A kind of drying device suitable for different water capacity bulk biomass Download PDFInfo
- Publication number
- CN207439108U CN207439108U CN201721406121.1U CN201721406121U CN207439108U CN 207439108 U CN207439108 U CN 207439108U CN 201721406121 U CN201721406121 U CN 201721406121U CN 207439108 U CN207439108 U CN 207439108U
- Authority
- CN
- China
- Prior art keywords
- flue gas
- biomass
- drying
- different water
- revolving drum
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Drying Of Solid Materials (AREA)
Abstract
The utility model discloses a kind of drying devices suitable for different water capacity bulk biomass, including flue gas mixer, heater and drier, the air inlet of the flue gas mixer is connected respectively with the tail flue gas of biomass fuel boiler and air, the gas outlet of the flue gas mixer and the air inlet of heater connect, the drier includes drying cylinder and is arranged on the revolving drum that the drying cylinder is outer and rotates around it, the air inlet of the drying cylinder and the gas outlet of heater connect, ventilation hole is offered on the drying cylinder, feed hopper and dump skip are provided on the revolving drum, the revolving drum is connected with a wet flue gas pipeline.The utility model can realize the drying of the block biomass material of different moisture content, improve the efficiency of combustion of biomass boiler, be specifically used to dry block biomass fuel, and drying capacity is big, and drying effect is good, stable and reliable operation operation.
Description
Technical field
The utility model belongs to burning-used biologic mass fuel boiler technology field, and in particular to one kind is suitable for different water capacities
The drying device of block biomass.
Background technology
As society is to the growing of energy demand, although fossil fuel can provide the energy for people, while also it is
The environment of the mankind brings pollution, and fossil energy also gradually decreases.Therefore, a kind of reproducible alternative energy source is found, is become
The focus of social common concern.
Biomass fuel is a kind of regenerative resource, and it is also the current mankind extensive profit to make full use of biomass energy
A kind of means, wherein biomass fuel generation technology are a kind of modes utilized on a large scale at present.Biomass material is general
Containing large quantity of moisture, and in China certain areas, there is the biomass material that abundant, sufficient water content is up to more than 50%,
If if these high-water content block biomass enter before boiler as fuel without drying process, unit mass biology
The caloric value of matter raw material is relatively low, makes biomass fuel that cannot fully burn in stove, and prevents boiler design heating surface from abundant
Heat absorption causes discharge flue-gas temperature to be up to 190 DEG C or so, causes smoke exhaust heat loss high, so as to cause the total of biomass boiler
Efficiency declines, and can also increase the size of biomass boiler feeding pipe and burner hearth, boiler cost is caused to increase.Therefore, it is raw
Raw material of substance generally requires before biomass boiler is entered makees pre-dried.
Traditional biomass material drying means needs to introduce external high temperature dried medium, technique is cumbersome, equipment is complicated,
Energy expenditure is big, cost of investment is high.To solve the above-mentioned problems, the Chinese invention patent application of Publication No. CN101693248A
A kind of method that biomass material is dried using high-temperature flue gas is disclosed, makes water-contained biomass raw material through high-temperature flue gas
After drying, using heating pressurized treatments, fluidisation slurry is made.But this method needs to introduce external high temperature dried medium,
Energy expenditure is very big, does not adapt to energy-saving and emission-reduction requirement higher and higher in the national economic development at present.In addition, for introducing
The biomass combustion flue gas of high temperature is directly to biomass heat drying, and since flue gas moisture content is high, drying effect is bad, it is impossible to reach
It is required to dry.
Utility model content
In order to solve the problems, such as how effectively the biomass material of block different moisture content to be dried, this practicality is new
Type provides a kind of drying device suitable for different water capacity bulk biomass, it utilizes biomass boiler tail flue gas and air
The high temperature drying gaseous mixture being mixed to form can realize the drying of the block biomass material of different moisture content, improve biomass
The efficiency of combustion of boiler is specifically used to dry block biomass fuel, and drying capacity is big, and drying effect is good, stable
Reliability service, compact-sized, floor space is small, and drying efficiency is high.
Technical solution is used by the utility model solves its technical problem：
A kind of drying device suitable for different water capacity bulk biomass, including flue gas mixer, heater and drying
Device, the air inlet of the flue gas mixer are connected respectively with the tail flue gas of biomass fuel boiler and air, and the flue gas mixes
The gas outlet of clutch and the air inlet of heater connect, and the drier includes drying cylinder and is arranged on outside the drying cylinder simultaneously
The revolving drum rotated around it, the air inlet of the drying cylinder and the gas outlet of heater connect, and are offered on the drying cylinder logical
Air holes is provided with feed hopper and dump skip on the revolving drum, and the revolving drum is connected with a wet flue gas pipeline.
By above-mentioned technical proposal, the air inlet of the flue gas mixer passes through high-temperature flue and the tail of biomass fuel boiler
Portion's flue gas connects, and heat smoke wind turbine is equipped on the high-temperature flue.
By above-mentioned technical proposal, the air inlet of the flue gas mixer is connected by air pipeline with air, the air
Air blower and air door are installed on pipeline.
By above-mentioned technical proposal, the heater is tube electric heater.
By above-mentioned technical proposal, the both sides of the revolving drum are mounted on sealing drum, and the feed hopper is arranged close to add
On the sealing drum of hot device, the dump skip is mounted on another sealing drum.
By above-mentioned technical proposal, the revolving drum is connected with single-revolution mechanism, and the swing mechanism includes motor, is mounted on
Pinion gear on motor output shaft and the gear wheel engaged with the pinion gear, the gear wheel are mounted on the revolving drum
Outside.
By above-mentioned technical proposal, the import of the wet flue gas pipeline enters through drying cylinder in revolving drum, the wet flue gas pipe
The outlet in road is connected with the flue positioned at biomass combustion boiler deduster forepart.
By above-mentioned technical proposal, be equipped on the wet flue gas pipeline cyclone separator and with the cyclone separator top
The wet flue gas wind turbine of portion's air outlet connection, the bottom of the cyclone separator are equipped with discharge port.
By above-mentioned technical proposal, helical baffles are provided on the revolving drum inner wall.
By above-mentioned technical proposal, on the drying cylinder percent opening of ventilation hole be 40%-60%, aperture 5-8mm.
The utility model has the advantages that：The device utilizes the high-temperature residual heat of flue gas, and is carried out with extraneous air
Drying cylinder is effectively sent into after mixing as dry source, by setting heater, when from tail flue gas humidity is high, moisture content compared with
When big, tube electric heater is made to work, can rationally control the temperature, humidity and flow of dry flue gas, so as to ensure to do
Drying system the biomass of different water capacities is carried out effectively, stablize dry operation, and be sufficiently used the remaining of high-temperature flue gas
Heat is conducive to the energy saving of drying system；It, can with reference to the rotary motion of revolving drum by opening up ventilation hole on drying cylinder
So that dry-heat air comes into full contact with biomass in revolving drum, drying efficiency is improved.The utility model has simple system, accounts for
The advantages such as ground area is small, dried biomass amount is big, drying efficiency is high, investment is low with operating cost.
Description of the drawings
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing：
Fig. 1 is the structure diagram of the utility model embodiment；
Fig. 2 is the structure diagram of revolving drum in the utility model.
In figure：1- high-temperature flues, 2- heat smokes wind turbine, 3- air pipelines, 4- air doors, 5- air blowers, 6- flue gases
Mixer, 7- heaters, 8- feed hoppers, 9- sealing drums, 10- motors, 11- gear wheels, 12- revolving drums, 13- drying cylinders, 14- are unloaded
Hopper, 16- wet flue gas pipeline, 17- cyclone separators, 18- wet flue gas wind turbine, 19- helical baffles.
Specific embodiment
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, is further elaborated the utility model.It should be appreciated that specific embodiment described herein is only explaining this
Utility model is not used to limit the utility model.
In the preferred embodiment of the utility model, as shown in Figure 1 and Figure 2, one kind is suitable for the block biology of different water capacities
The drying device of matter, including flue gas mixer 6, heater 7 and drier, the air inlet of flue gas mixer 6 respectively with biomass
The tail flue gas of fuel boiler is connected with air, and the gas outlet of flue gas mixer 6 is connected with the air inlet of heater 7, drier
Including drying cylinder 13 and it is arranged on the revolving drum 12 that drying cylinder 13 is outer and rotates around it, the air inlet and heater of drying cylinder 13
7 gas outlet connects, and offers ventilation hole on drying cylinder 13, feed hopper 8 and dump skip 14, revolving drum are provided on revolving drum 12
12 are connected with a wet flue gas pipeline 16.
In the preferred embodiment of the utility model, as shown in Figure 1, the air inlet of flue gas mixer 6 passes through high-temperature flue 1
It is connected with the tail flue gas of biomass fuel boiler, heat smoke wind turbine 2 is installed on high-temperature flue 1.
In the preferred embodiment of the utility model, as shown in Figure 1, the air inlet of flue gas mixer 6 passes through air pipeline 3
It is connected with air, air blower 5 and air door 4 is installed on air pipeline 3, intake is adjusted by adjusting valve opening.
In the preferred embodiment of the utility model, as shown in Figure 1, heater 7 is tube electric heater, when from afterbody
When smoke moisture is not high, moisture content is larger, tube electric heater 7 is made to work, can so ensure the drying into drier
The temperature and humidity of flue gas, so as to ensure that the device carries out the biomass of different water capacities effective, stable dry operation.
In the preferred embodiment of the utility model, as shown in Figure 1, the both sides of revolving drum 12 are mounted on sealing drum 9, give
Feed bin 8 is arranged close on the sealing drum of heater 7, and dump skip 14 is mounted on another sealing drum.
In the preferred embodiment of the utility model, as shown in Figure 1, revolving drum 12 is connected with single-revolution mechanism, turn-around machine
Structure, which includes motor 10, the pinion gear on motor output shaft and the gear wheel 11 engaged with pinion gear, gear wheel 11, pacifies
Outside revolving drum 12.
In the preferred embodiment of the utility model, as shown in Figure 1, the import of wet flue gas pipeline 16 enters through drying cylinder 13
In revolving drum 12, the outlet of wet flue gas pipeline 16 is connected with the flue positioned at biomass combustion boiler deduster forepart, is specially
Wet flue gas pipeline enters drying cylinder by revolving drum opposite side shaft part center, then reaches the top on the inside of drying cylinder.
In the preferred embodiment of the utility model, as shown in Figure 1, being equipped with cyclone separator 17 on wet flue gas pipeline 16
And the wet flue gas wind turbine 18 being connected with 17 top outlet inlet of cyclone separator, the bottom of cyclone separator 17 are equipped with discharge port.
In the preferred embodiment of the utility model, as shown in Fig. 2, being provided with helical baffles on 12 inner wall of revolving drum
19, the time of contact of block biomass and high temperature air can be increased, interior internal circulating load of the block biomass in cylinder is increased, improve
The interaction of solid biomass and high temperature air, improves drying efficiency.
In the preferred embodiment of the utility model, as shown in Figure 1, the percent opening of ventilation hole is 40%- on drying cylinder 13
60%th, aperture 5-8mm, exit velocity 10-15m/s, makes dry-heat air be come into full contact with biomass.
The utility model is passed to flue gas and is mixed using the waste heat heat of the afterbody cleaning flue gases of generating power with biomass combustion factory
Clutch is effectively mixed with extraneous air, this is conducive to the temperature and humidity for controlling combination drying flue gas, then passes through tubular type electricity
Heater can efficiently control the flow and temperature into drier, so as to provide the heating heat of stable heat source.This
Outside, feed hopper bottom continuously enters revolving drum by non-rotary sealing drum side, meanwhile, flue gas and the mixed drying of air
Heat smoke is connected with drying cylinder one side shaft end, so as to ensure that dry heat smoke enters drying cylinder from axis center steady and continuous, does
Dry cylinder fixation does not rotate, and the ventilation hole that dry heat smoke is opened from drying cylinder lower part is blown into revolving drum downwards, and it is continuous right to realize
It is dried into the biomass fuel in cylinder.The gear wheel and the pinion gear of motor being fixed on outside revolving drum connect, and pass through
Change the rotary speed of the rotational speed regulation revolving drum of motor, during so as to adjust stop of the biomass fuel in revolving drum
Between, so as to effectively effectively be dried to the biomass fuel of different water capacities.The other end of revolving drum also connects sealing
Cylinder, the sealing drum are connected with dump skip, and constantly being rotated by revolving drum makes dried biomass fuel be discharged into drying hopper.
In specific application, operation principle is as follows for the utility model：From about 140 DEG C of biomass fuel boiler tail flue gas
High-temperature flue gas heat smoke wind turbine entered by high-temperature flue enter back into flue gas mixer, air also enters cigarette by air blower
Gas mixer, according to the difference of the water capacity of fuel, the high temperature tail flue gas amount and air capacity of introducing are varied from, general next
It says, be maintained at 10-15m/s in high-temperature flue air outlet velocity, mixed flue gas enters flue gas mixer, makes two kinds of gases uniform
Mixing, velocity of flue gas is maintained at 12-17m/s after mixing, and flue gas enters tube electric heater after mixing, and flue-gas temperature should after heating
120-150 DEG C is maintained at, flue gas enters drier by axis center hole after heating, and flue gas axial velocity is generally protected in drying cylinder
It holds in 1.5-2.5m/s, at the same time, the block biomass fuel containing certain humidity is from feed hopper bottom through non-rotary sealing
Cylinder enters revolving drum from side, so as to which high-temperature flue gas contact simultaneously dried biomass with block biomass fuel, works as swinging
When drier rotates (general rotary rpm is 2-10rpm), under the action of gravity and the rotation of drier spiral inner wall baffle plate,
Block biomass moves forward in drier, block when block biomass is moved to roundabout drier other end bottom
Biomass falls into dump skip, completes drying process, dry powder biomass solid particle and containing humid air from wet flue gas pipe
Road flows out, and into cyclone separator, dry powder biomass solid particle is flowed out from cyclone separator bottom, 90 DEG C or so
Wet flue gas exit into wet flue gas wind turbine at the top of the cyclone separator, the flue gas containing certain humidity is discharged by wet flue gas wind turbine
The flue of the dust-extraction unit forepart of biomass combustion boiler, will not pollute environment.
It should be appreciated that for those of ordinary skills, can be improved or converted according to the above description,
And all these modifications and variations should all belong to the protection domain of the appended claims for the utility model.
Claims (10)
1. a kind of drying device suitable for different water capacity bulk biomass, which is characterized in that including flue gas mixer, heating
Device and drier, the air inlet of the flue gas mixer are connected respectively with the tail flue gas of biomass fuel boiler and air, institute
It states the gas outlet of flue gas mixer and the air inlet of heater connects, the drier includes drying cylinder and is arranged on described dry
Dry cylinder is outer and the revolving drum that rotates around it, and the air inlet of the drying cylinder and the gas outlet of heater connect, on the drying cylinder
Ventilation hole is offered, feed hopper and dump skip are provided on the revolving drum, the revolving drum is connected with a wet flue gas pipeline.
2. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
The air inlet of flue gas mixer is connected by the tail flue gas of high-temperature flue and biomass fuel boiler, is pacified on the high-temperature flue
Equipped with heat smoke wind turbine.
3. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
The air inlet of flue gas mixer is connected by air pipeline with air, and air blower and air valve are equipped on the air pipeline
Door.
4. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
Heater is tube electric heater.
5. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
The both sides of revolving drum are mounted on sealing drum, and the feed hopper is arranged close on the sealing drum of heater, the dump skip peace
On another sealing drum.
6. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
Revolving drum is connected with single-revolution mechanism, the swing mechanism include motor, the pinion gear on motor output shaft and with
The gear wheel of the pinion gear engagement, the gear wheel are mounted on outside the revolving drum.
7. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
The import of wet flue gas pipeline enters through drying cylinder in revolving drum, and the outlet of the wet flue gas pipeline is with being located at biomass combustion boiler
The flue connection of deduster forepart.
8. the drying device according to claim 7 suitable for different water capacity bulk biomass, which is characterized in that described
Cyclone separator and the wet flue gas wind turbine being connected with the cyclone separator top outlet inlet, institute are installed on wet flue gas pipeline
The bottom for stating cyclone separator is equipped with discharge port.
9. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that described
Helical baffles are provided on revolving drum inner wall.
10. the drying device according to claim 1 suitable for different water capacity bulk biomass, which is characterized in that institute
The percent opening for stating ventilation hole on drying cylinder is 40%-60%, aperture 5-8mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406121.1U CN207439108U (en) | 2017-10-25 | 2017-10-25 | A kind of drying device suitable for different water capacity bulk biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721406121.1U CN207439108U (en) | 2017-10-25 | 2017-10-25 | A kind of drying device suitable for different water capacity bulk biomass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207439108U true CN207439108U (en) | 2018-06-01 |
Family
ID=62293077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721406121.1U Active CN207439108U (en) | 2017-10-25 | 2017-10-25 | A kind of drying device suitable for different water capacity bulk biomass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207439108U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164514A (en) * | 2022-06-08 | 2022-10-11 | 东南大学 | System and method for suspension drying of biomass in cyclone field by using flue gas |
-
2017
- 2017-10-25 CN CN201721406121.1U patent/CN207439108U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115164514A (en) * | 2022-06-08 | 2022-10-11 | 东南大学 | System and method for suspension drying of biomass in cyclone field by using flue gas |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100400996C (en) | Nitrogen circulating coal powder air flow internal heating fluidized bed drying technology | |
| CN202613898U (en) | Drying device using rotary crushing and spouting fluidization | |
| CN106382790A (en) | Brown coal drying method and device utilizing waste heat of smoke and steam of power plant | |
| CN101377379A (en) | Coal ash drying device | |
| CN107138515A (en) | A kind of heat supply method of energy-saving and emission-reduction | |
| CN101986074B (en) | Method for drying coal slime by hot wind and smoke of power station boiler | |
| CN109468139A (en) | A kind of biomass graded pyrolysis and combustion device | |
| CN105964088A (en) | Fume desulfurization, denitrification, dust collection and waste heat recycling integrated machine for bulk curing barn | |
| CN207439108U (en) | A kind of drying device suitable for different water capacity bulk biomass | |
| CN204421572U (en) | A kind of rotary drying machine | |
| CN102072499B (en) | Flue gas low temperature denitriding and coal slime drying combined circulating system | |
| CN109099429A (en) | Labyrinth type high-temperature flue gas pyrolysis oven | |
| CN203494876U (en) | Continuous high-temperature oxygen-isolation carbonization device for treating urban garbage | |
| CN205351944U (en) | A drying device that is used for high water capacity powder living beings | |
| CN207958249U (en) | A kind of decoration garbage carbonization disposal system in parallel with sludge | |
| CN204388087U (en) | Antibiotic bacterium slag energy treatment facility system | |
| CN104654768A (en) | Biogas hot air drying process | |
| CN211650275U (en) | Waste heat recovery coupling sludge blending combustion system suitable for coal-fired power plant | |
| CN208871628U (en) | A kind of labyrinth type high-temperature flue gas pyrolysis oven | |
| CN202613918U (en) | Coal drying unit capable of reusing flue gas | |
| CN208011692U (en) | Energy-efficient coal water slurry boiler | |
| CN204268848U (en) | A kind of blue charcoal dewater unit | |
| CN104315823A (en) | Semi coke dewatering device and method | |
| CN102337168A (en) | System for manufacturing fuels via drying waste sludge | |
| CN208139294U (en) | A kind of efficient heat accumulation type thermal incinerator |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200617 Address after: 430223 Room 309, floor 3, Kaidi building, No.1, Jiangxia Avenue, Donghu New Technology Development Zone, Wuhan City, Hubei Province Patentee after: Wuhan Fengying Energy Technology Engineering Co.,Ltd. Address before: 613, room 430223, Katie building, Jiangxia Road, Miao Shan Development Zone, Jiangxia District, Hubei, Wuhan Patentee before: WUHAN KAIDI ELECTRIC POWER ENGINEERING Co.,Ltd. |
|
| TR01 | Transfer of patent right |