CN206540392U - A kind of utilization residual heat from boiler fume dries the device of biomass fuel - Google Patents
A kind of utilization residual heat from boiler fume dries the device of biomass fuel Download PDFInfo
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- CN206540392U CN206540392U CN201720163517.1U CN201720163517U CN206540392U CN 206540392 U CN206540392 U CN 206540392U CN 201720163517 U CN201720163517 U CN 201720163517U CN 206540392 U CN206540392 U CN 206540392U
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Abstract
The utility model is related to biomass fuel technical field, disclose the device that a kind of utilization residual heat from boiler fume dries biomass fuel, including circular shell, the circular shell top is provided with upper header, bottom is provided with lower collecting box, the upper header is connected with lower collecting box, the lower collecting box is provided with smoke inlet, the upper header is provided with exhanst gas outlet, a biomass fuel chamber is formed between the upper header and lower collecting box, the biomass fuel chamber Upper vertical is provided with biomass fuel entrance and moisture outlet, bottom is provided with biomass fuel outlet, flue gas only enters upper header from lower collecting box, so that flue gas is not contacted directly with biomass fuel, the drying to biomass fuel is realized using heat radiation.The utility model is easy to operate, can effectively dry biomass fuel, it is ensured that boiler internal flameholding, prevents from damaging equipment.
Description
Technical field
The utility model is related to biomass fuel technical field, more particularly to a kind of to dry biology using residual heat from boiler fume
The device of matter fuel.
Background technology
In biomass power plant, some biomass fuel water content are larger, cause fuel value low, are unfavorable for fuel
Burning, washy fuel even makes generation difficulty of catching fire.And when entering boiler combustion, produce substantial amounts of vapor and reduce
Fire box temperature, oxygen under, forms barrier, it is difficult to be sufficiently mixed with flame in vapor, so that burning anoxic, certainly will
The air capacity of burning is increased, causes flue gas flow rate to increase, furnace flame quickly flows, so that the stable burning of influence boiler and stove
Interior burning time, not enough a large amount of combustible effusions, boiler tail flue gas flying dust band Mars also easily burnt out dust-collecting bag, largely
Steam and excess air be blended in flue gas, also considerably increase the load of boiler induced-draft fan.
Therefore, biomass fuel moisture is excessive, and not only steam has taken away excessive heat, reduces boiler efficiency, also increases
The power consumption of blower fan, and steam also easily causes corrosion to boiler heating surface and flue in flue gas.
The utility model is exactly to study a kind of scheme, by a heat transmission equipment, with the residual heat drying of boiler tail flue gas
Biomass fuel, improves fuel value, influence of the reduction fuel moisture to combustion system.
Utility model content
Goal of the invention of the present utility model is：For above-mentioned problem, there is provided easy to operate, the Neng Gouyou of one kind
Effect ground drying biomass fuel, it is ensured that boiler internal flameholding, prevents from damaging the biomass fuel drying unit of equipment.
The technical solution adopted in the utility model is such：A kind of utilization residual heat from boiler fume drying biomass fuel
Device, including circular shell, the circular shell top are provided with upper header, and bottom is provided with lower collecting box, the upper header with
Lower collecting box is connected, and the lower collecting box is provided with smoke inlet, and the upper header is provided with exhanst gas outlet, in the upper header with
A biomass fuel chamber is formed between header, the biomass fuel chamber Upper vertical is provided with biomass fuel entrance and water
Vapor outlet, bottom be provided with biomass fuel outlet, flue gas from lower collecting box only enter upper header so that flue gas not with biomass fuel
Material is directly contacted, and the drying to biomass fuel is realized using heat radiation.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the biomass fuel
Rotated in the middle part of material chamber and be provided with rotating shaft, rotating shaft two ends are connected to upper header and lower collecting box end face, the rotating shaft passes through driving
Mechanism drives it to rotate, and material toggling piece is fixedly installed in the rotating shaft.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the biomass fuel
Material intracavitary is provided with loading disk, and the loading disk is fixedly welded on the inside of circular shell by support, and the material toggling piece exists
Rotated in the range of the loading disk, the material toggling piece is provided with feed opening on loading disk, the loading disk.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the feed opening with
The biomass fuel entrance staggers setting.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, in the rotating shaft
Three layers of material toggling piece are set, and the feed opening being correspondingly arranged on three layers of loading disk, and rear two layers of loading disk is justified with upper strata loading
Feed opening on disk staggers setting, the feed opening described in orlop on loading disk and biomass fuel outlet.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, every layer of material toggling
Piece quantity is set to 8.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the upper header and
Lower collecting box is connected by heat exchanger tube, and the heat exchanger tube two ends are respectively welded in upper header and lower collecting box.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the drive mechanism
For variable-frequency motor, the rotating shaft bottom and variable-frequency motor output are fixedly installed gear, the variable-frequency motor output gear
It is connected by chain with the gear of rotating shaft bottom, and then drives axis of rotation.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the lower collecting box bottom
Portion is provided with cleaning door.
A kind of utilization residual heat from boiler fume described in the utility model dries the device of biomass fuel, the moisture outlet
Rear end is removably provided with air exhauster, and the circular shell outer wall is provided with heat-insulation layer.
In summary, by adopting the above-described technical solution, the beneficial effects of the utility model are：（1）Utilize boiler smoke
Gas waste heat dries biomass fuel so that burning is more abundant, it is ensured that boiler safety is stably run, flue gas and biomass
Fuel is not directly contacted with, it is to avoid steam enters in heat exchange flue gas, it is to avoid the load of extra increase air-introduced machine, improves the energy
Utilization rate；（2）Steam is prevented to be blended in excess air in flue gas, it is to avoid boiler induced-draft fan load is increased, and protects equipment；
（3）Improve boiler efficiency, it is to avoid corrosion of the steam to boiler heating surface and flue.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 be in Fig. 1 A-A to sectional view；
Fig. 3 is B-B direction sectional view in Fig. 1.
Marked in figure：1 is circular shell, and 2 be upper header, and 3 be lower collecting box, and 4 be smoke inlet, and 5 be exhanst gas outlet, and 6 are
Biomass fuel chamber, 7 be biomass fuel entrance, and 8 be moisture outlet, and 9 be biomass fuel outlet, and 10 be rotating shaft, and 11 be to dial
Tablet, 12 be loading disk, and 13 be feed opening, and 14 be heat exchanger tube, and 15 be variable-frequency motor, and 16 be gear, and 17 be chain, and 18 be clear
Grey mouth, 19 be air exhauster, and 20 be heat-insulation layer.
Embodiment
Below in conjunction with the accompanying drawings, the utility model is described in detail.
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only to explain
The utility model, is not used to limit the utility model.
As shown in Figures 1 to 3, a kind of utilization residual heat from boiler fume dries the device of biomass fuel, including circular shell 1,
The outer wall of circular shell 1 is provided with heat-insulation layer 20, and the top of circular shell 1 is provided with upper header 2, and its underpart is provided with down
Header 3, the left side of the lower collecting box 3 is provided with smoke inlet 4, and the bottom of lower collecting box 3 is provided with cleaning door 18, the first line of a couplet
The right side of case 2 is provided with exhanst gas outlet 5, and the upper header 2 is connected with lower collecting box 3 by heat exchanger tube 14,14 liang of the heat exchanger tube
End is respectively welded in upper header 2 and lower collecting box 3, forms the circular set of heat exchange tubes of a circle, the upper header 2 and lower collecting box 3 it
Between form a biomass fuel chamber 6, the Upper vertical of biomass fuel chamber 6 is provided with biomass fuel entrance 7 and steam
Outlet 8, the biomass fuel entrance 7 and moisture outlet 8 pass perpendicularly through the upper header 2, the biomass fuel entrance 7
The segment distance of biomass fuel chamber 6 one is extended into, the rear end of moisture outlet 8 is removably provided with air exhauster 19, biomass fuel
Material chamber 6 bottom is provided with biomass fuel outlet 9, and biomass fuel outlet 9 passes perpendicularly through lower collecting box 3, and flue gas is logical from lower collecting box 3
Cross heat exchanger tube 14 and enter upper header 2, flue gas is not contacted directly with biomass fuel, realize the drying to biomass fuel.
Rotated at the middle part of biomass fuel chamber 6 and be provided with rotating shaft 10, the two ends of rotating shaft 10 are connected to the He of upper header 2
In the middle part of the end face of lower collecting box 3, it is fixedly installed in the rotating shaft 10 in material toggling piece 11, the biomass fuel chamber 6 and is provided with loading
Disk 12, the loading disk 12 passes through support（Not shown in figure）Toroidal shell is fixedly welded on through the gap of adjacent heat exchange tubes 14
The inner side of body 1, support fixes support loading disk 12, and the material toggling piece 11 is rotated in the range of the loading disk 12, described group
Tablet 11 is provided with feed opening 13, the feed opening 13 and the biology on loading disk 12, the loading disk 12
Matter fuel inlet 7 staggers setting, herein, and three layers of material toggling piece 11 are set in the rotating shaft 10, and every layer of quantity of material toggling piece 11 is set
For 8, be correspondingly arranged feed opening 13 on three layers of loading disk 12, and rear two layers of loading disk 12 with adjacent upper strata loading
Feed opening 13 on disk 12 staggers setting, the feed opening 13 described in orlop on loading disk 12 and biomass fuel outlet 9
Connection, the rotating shaft 10 drives it to rotate by drive mechanism, and herein, the drive mechanism is set to variable-frequency motor 15, in institute
State the bottom of rotating shaft 10 and the output end of variable-frequency motor 15 is fixedly installed gear 16, the gear of output end 16 of variable-frequency motor 15 passes through
Chain 17 is connected with the gear 16 of the bottom of rotating shaft 10, so that variable-frequency motor 15 drives rotating shaft 10 to rotate.
In the course of work, the flue gas that boiler comes enters lower collecting box 3 by the smoke inlet in the left side of lower collecting box 2, passes through the second line of a couplet
Case 3 is assigned in each heat exchanger tube 14 of circumference, finally upper header 2 is pooled to by heat exchanger tube 14, finally by upper header 2
The exhanst gas outlet 4 on right side discharges into deduster（Not shown in figure）；In above process, while having biomass fuel from biomass fuel
Material entrance 7 enters, and falls on first layer loading disk 12, and now variable-frequency motor 15 just drives rotating shaft 10 to rotate, and rotating shaft 10 drives
Material toggling piece 11 is rotated, and material toggling piece 11 carries out rotary dial to biomass fuel on loading disk 12, when being allocated to feed opening 13, raw
Biomass fuel falls into second layer loading disk 12 by feed opening 13, carries out rotation material toggling behaviour identical with first layer loading disk 12
Make, biomass fuel falls into third layer loading disk 12 by the feed opening 13 on second layer loading disk 12, carry out identical
Material toggling operation is rotated, biomass fuel outlet 9 is fallen into finally by the feed opening 13 on third layer loading disk 12, passes through biology
Matter fuel outlet 9 delivers to material conveyer belt（Not shown in figure）, in drying course, the moisture evaporation in biomass fuel passes through
Moisture outlet 8 is discharged, and the rear end of moisture outlet 8 sets air exhauster 19 to carry out assisted drainage vapour, you can completed to biomass fuel
Drying.In the process, biomass fuel is dried using residual heat from boiler fume, improves the utilization rate of the energy, meanwhile,
Flue gas walks heat exchanger tube, is not contacted directly with biomass fuel, it is therefore prevented that the moisture in biomass fuel enters in flue gas, extra to increase
Plus the load of smoke induced draught fan, operated by three layers of rotation material toggling, extend the biomass fuel residence time, dial and dissipated biomass
Fuel, is more beneficial for drying biomass fuel, and biomass fuel entrance and first feed opening stagger setting, and latter two layers
Feed opening and upper strata feed opening stagger setting, it is ensured that biomass fuel can be entirely fallen within loading disk, it is ensured that during stop
Between, more conducively dry, flue gas flow direction is flowed to biomass fuel on the contrary, being more conducive to heat transfer, drying, and the setting of air exhauster causes water
The discharge of vapour is more smooth, and the setting of heat-insulation layer causes heat exchange efficiency higher, and flue gas waste heat recovery rate is higher, is conducive to drying,
The setting of cleaning door ensure that the cleaning of flue gas layer is clean, it is therefore prevented that soot build-up and influence heat transfer, it is adjustable using variable-frequency motor
The velocity of rotation of rotating shaft, the drying degree of biomass fuel can be controlled well.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modifications, equivalent substitutions and improvements made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of utilization residual heat from boiler fume dries the device of biomass fuel, it is characterised in that：Including circular shell（1）, institute
State circular shell（1）Top is provided with upper header（2）, bottom is provided with lower collecting box（3）, the upper header（2）With lower collecting box（3）
Connection, the lower collecting box（3）It is provided with smoke inlet（4）, the upper header（2）It is provided with exhanst gas outlet（5）, in the first line of a couplet
Case（2）With lower collecting box（3）Between formed a biomass fuel chamber（6）, the biomass fuel chamber（6）Upper vertical is provided with
Biomass fuel entrance（7）And moisture outlet（8）, bottom is provided with biomass fuel outlet（9）, flue gas is from lower collecting box（3）Only
Into upper header（2）So that flue gas is not contacted directly with biomass fuel, and the baking to biomass fuel is realized using heat radiation
It is dry.
2. a kind of utilization residual heat from boiler fume according to claim 1 dries the device of biomass fuel, it is characterised in that：
The biomass fuel chamber（6）Middle part rotates and is provided with rotating shaft（10）, rotating shaft（10）Two ends are connected to upper header（2）With under
Header（3）End face, the rotating shaft（10）It is driven to rotate by drive mechanism, the rotating shaft（10）On be fixedly installed material toggling piece
（11）.
3. a kind of utilization residual heat from boiler fume according to claim 2 dries the device of biomass fuel, it is characterised in that：
The biomass fuel chamber（6）Inside it is provided with loading disk（12）, the loading disk（12）Circle is fixedly welded on by support
Shape housing（1）Inner side, the material toggling piece（11）In the loading disk（12）In the range of rotate, the material toggling piece（11）Perpendicular to
Loading disk（12）, the loading disk（12）On be provided with feed opening（13）.
4. a kind of utilization residual heat from boiler fume according to claim 3 dries the device of biomass fuel, it is characterised in that：
The feed opening（13）With the biomass fuel entrance（7）Stagger setting.
5. a kind of utilization residual heat from boiler fume according to claim 4 dries the device of biomass fuel, it is characterised in that：
In the rotating shaft（10）Three layers of material toggling piece of upper setting（11）, it is correspondingly arranged three layers of loading disk（12）, and rear two layers of loading disk
（12）On feed opening（13）With upper strata loading disk（12）On feed opening（13）Stagger setting, loading described in orlop is justified
Disk（12）On feed opening（13）Exported with biomass fuel（9）Connection.
6. a kind of utilization residual heat from boiler fume according to claim 5 dries the device of biomass fuel, it is characterised in that：
Every layer of material toggling piece（11）Quantity is set to 8.
7. a kind of utilization residual heat from boiler fume according to claim 6 dries the device of biomass fuel, it is characterised in that：
The upper header（2）And lower collecting box（3）Pass through heat exchanger tube（14）Connection, the heat exchanger tube（14）Two ends are respectively welded in upper header
（2）And lower collecting box（3）.
8. a kind of utilization residual heat from boiler fume according to claim 7 dries the device of biomass fuel, it is characterised in that：
The drive mechanism is variable-frequency motor（15）, the rotating shaft（10）Bottom and variable-frequency motor（15）Output end is fixedly installed gear
（16）, the variable-frequency motor（15）Gear of output end（16）Pass through chain（17）With rotating shaft（10）The gear of bottom（16）Connection,
And then drive rotating shaft（10）Rotate.
9. a kind of utilization residual heat from boiler fume according to claim 8 dries the device of biomass fuel, it is characterised in that：
The lower collecting box（3）Bottom is provided with cleaning door（18）.
10. a kind of utilization residual heat from boiler fume according to claim 9 dries the device of biomass fuel, its feature exists
In：The moisture outlet（8）Rear end is removably provided with air exhauster（19）, the circular shell（1）Outer wall is provided with insulation
Layer（20）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163517.1U CN206540392U (en) | 2017-02-23 | 2017-02-23 | A kind of utilization residual heat from boiler fume dries the device of biomass fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720163517.1U CN206540392U (en) | 2017-02-23 | 2017-02-23 | A kind of utilization residual heat from boiler fume dries the device of biomass fuel |
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| Publication Number | Publication Date |
|---|---|
| CN206540392U true CN206540392U (en) | 2017-10-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720163517.1U Active CN206540392U (en) | 2017-02-23 | 2017-02-23 | A kind of utilization residual heat from boiler fume dries the device of biomass fuel |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839701A (en) * | 2017-02-23 | 2017-06-13 | 华西能源工程有限公司 | A kind of utilization residual heat from boiler fume dries the device of biomass fuel |
| CN109916155A (en) * | 2019-03-08 | 2019-06-21 | 方文星 | A kind of chemical material finished product drain sump |
-
2017
- 2017-02-23 CN CN201720163517.1U patent/CN206540392U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106839701A (en) * | 2017-02-23 | 2017-06-13 | 华西能源工程有限公司 | A kind of utilization residual heat from boiler fume dries the device of biomass fuel |
| CN109916155A (en) * | 2019-03-08 | 2019-06-21 | 方文星 | A kind of chemical material finished product drain sump |
| CN109916155B (en) * | 2019-03-08 | 2020-12-04 | 双键化工（泰兴）有限公司 | Chemical material finished product dewatering tank |
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