CN108224412A - Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band - Google Patents
Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band Download PDFInfo
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- CN108224412A CN108224412A CN201810178664.5A CN201810178664A CN108224412A CN 108224412 A CN108224412 A CN 108224412A CN 201810178664 A CN201810178664 A CN 201810178664A CN 108224412 A CN108224412 A CN 108224412A
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- combustion chamber
- demarcation strip
- moulded coal
- combustion
- exhaust pipe
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23B—METHODS OR APPARATUS FOR COMBUSTION USING ONLY SOLID FUEL
- F23B80/00—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel
- F23B80/04—Combustion apparatus characterised by means creating a distinct flow path for flue gases or for non-combusted gases given off by the fuel by means for guiding the flow of flue gases, e.g. baffles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J13/00—Fittings for chimneys or flues
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L1/00—Passages or apertures for delivering primary air for combustion
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band, including combustion chamber, smoke exhaust pipe and moulded coal bed, by combustion chamber top surface smoke outlet, combustion chamber inner cavity and discharge fume tube cavity unicom and two central axis it is conllinear, smoke exhaust pipe is arranged and vertically perpendicular to combustion chamber top surface.Combustion chamber cavity radius 1.0m~1.2m, numerous rectangular partition plates are arranged in combustion chamber inner cavity vertically, long 0.6m~the 0.7m of demarcation strip horizontal edge, vertical edge is extended downwardly in smoke exhaust pipe internal face on face in demarcation strip, outer vertical edge and combustion chamber intracavity sidewall identity distance are from 100mm~150mm, moulded coal bed is banked up in space between adjacent two demarcation strip, the small cambered surface of moulded coal bed is extended downwardly in smoke exhaust pipe internal face on face, in big cambered surface, smoke exhaust pipe internal face extends downwardly face and surrounds intracavity space as igniting ignition substance laydown area the outer vertical edge of demarcation strip.The present invention can be used in intensive flue-cured tobacco and scattered leaf flue-cured tobacco.Invention disposably is coaling, and economizes on coal 25%, can be close to process curve and be generated hot wind, wind turbine temperature<38℃.
Description
Technical field
The present invention relates to one kind to have the skills such as open fire reverse combustion, high temperature isolation, combustion fan start and stop control accurate combustion heat supplying
The band demarcation strip Filter Tuber For Clean Coal of art feature is counter to heat wind furnace, is fired suitable for agriculture rural area field intensive flue-cured tobacco and scattered leaf flue-cured tobacco hot air chamber
Heating plant is burnt to use.
Background technology
Plant the increase of flue-cured tobacco scale and the development of modern tobacco agriculture per family with China tobacco grower, dense drying is in the whole nation
In the range of obtained Rapid Popularization application.For 2012, the whole nation has dense tobacco flue-curing house about 1,200,000.According to statistics, it is more next
More dense tobacco flue-curing houses use the continuous tunnel furnace combustion heat supplying that principle is just being burnt based on dying fire.Continuous tunnel furnace is simple in structure, at low cost, energy one
Secondary property is coaling, i.e., is disposably packed into 800~1000 cylinder moulded coals, can be met 5~6 days baking heat supply needs, not influenced tobacco grower
Night's rest especially meets current each cigarette district hired laborer hardly possible and the situations needs such as labor cost height.
Continuous tunnel furnace furnace chamber includes top vault area and bottom cuboid area, vault area bottom surface and cuboid area top surface weight
It closes, cuboid area is included close to the rectangular-shape ignition zone of left end wall and close to the rectangular-shape moulded coal bed area of right end wall, coal bed
Full cylinder moulded coal is folded in area, and pyrophoric fuel is stacked in ignition zone, and ignition zone is connected with vault area.Continuous tunnel furnace fires in a manner that dying fire is just burnt
Burn heat supply.Investigation display：Combustion zone is reversely flowed backward to close to combustion fan, high-temperature furnace gas in combustion fan housing, is caused combustion-supporting
Wind turbine high temperature damage rate is up to 39%.Practice have shown that：Under combustion fan coil decreasing insulating causes outlet air ability permanent
Drop, ignition zone partial air bypass flow to vault area, and partial air is short-circuited to by gap midway bypass between coal bed zone type coal
Vault area in addition the combustion air for flowing into combustion zone is discharged in the form of CO, causes combustion air utilization rate not high, tobacco flue-curing house temperature
It is low go out 2 DEG C~8 DEG C of baking process set temperature, it is impossible to meet big moderate heat tobacco flue-curing heat supply needs, reduce Flue-cured tobacco Quality；Vault
Area is detained CO concentration height, detonation casualty accident easily occurs；High-temperature furnace gas is flow backwards, hot blast temperature does not catch up with baking process setting temperature
Degree, in addition the flue gas CO concentration discharged from smoke outlet is high, the thermal efficiency is down to 35%~50%.
It is secure, inexpensive, economical that good combustion heat supplying performance of control, safety, saving of work and time, Flue-cured tobacco Quality are toasted in exploitation
The band demarcation strip Filter Tuber For Clean Coal of high-efficient energy-saving environment friendly is counter to heat wind furnace, can meet China's tobacco modulation industry energy-saving emission reduction situation need
Will, and then promote tobacco business sustainable development.
Invention content
In order to which continuous tunnel furnace is overcome high-temperature furnace gas reverse flow scaling loss combustion fan, combustion air to be caused to utilize because dying fire is just being burnt
The shortcomings such as low with the thermal efficiency that rate is low, hot blast temperature does not catch up with baking process set temperature, easy detonation is hurted sb.'s feelings, present invention design are a kind of
With technical characteristics such as open fire reverse combustion, high temperature isolation, combustion fan start and stop control accurate combustion heat supplyings, meet China's tobacco business
Saving of work and time, safety economy are high-quality, the band demarcation strip Filter Tuber For Clean Coal of high-efficient energy-saving environment friendly intensive flue-cured tobacco needs is counter heats wind furnace.
Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band, and mainly including combustion chamber, smoke exhaust pipe and moulded coal bed, smoke exhaust pipe is vertical cloth
The corrosion resistant metal pipe put, in standing upside down, 180 ° of arrangements are barrel-shaped, and level ground and cylindrical lateral wall face and top surface are enclosed for combustion chamber
Into combustion chamber inner cavity, the high 1.0m~1.2m in combustion chamber inner cavity, radius 1.0m~1.2m, combustion chamber end face center open up round smoke evacuation
Mouthful, smoke outlet circumference is connected with smoke exhaust pipe bottom face circumference full weld, and combustion chamber central axis and smoke exhaust pipe central axis overlap, combustion
It burns indoor chamber and arranges numerous rectangular partition plates vertically, demarcation strip is uniform outward along radial direction centered on the central axis of combustion chamber
Radiation profiles, demarcation strip vertical edge length is equal, and horizontal edge grows equal, a length of 0.6m~0.7m of horizontal edge, and vertical edge is in smoke exhaust pipe in demarcation strip
Internal face is extended downwardly on face, outer vertical edge and combustion chamber intracavity sidewall identity distance from for 100mm~150mm, demarcation strip top horizontal edge and
Combustion chamber inner cavity top surface is welded to connect, and bottom horizontal edge is on level ground, the combustion chamber intracavity space heap between adjacent two demarcation strip
Put moulded coal bed, moulded coal bed is in fan-shaped cylinder shape, and without apparent gap between adjacent two moulded coal in moulded coal bed, moulded coal bed sector top surface is tight
Paste combustion chamber top surface internal face, two square sides of moulded coal bed are close to demarcation strip, small arcuate flanks in smoke exhaust pipe inner wall downwards
On extended surface, for the outer vertical edge of demarcation strip in big arcuate flanks, smoke exhaust pipe internal face extends downwardly cavity space in the combustion chamber that face surrounds
Between for igniting ignition substance laydown area.
Agriculture rural area field tobacco modulation intensive flue-cured tobacco and scattered leaf hot blast stove for flue-cured tobacco, can be used the present invention.
Invention operation is comfortable, and economy, energy conservation and environmental protection and social benefit are notable.Using showing：It is disposable to coaling and continuous tunnel furnace
It compares, flue gas CO discharges reduce by 75%, economize on coal 25%；It can be close to baking process curve generation intensive flue-cured tobacco hot wind；Combustion air
Casing temperature is consistently lower than 38 DEG C, no high temperature scaling loss, and combustion fan outlet air is stable, undamped.
Description of the drawings
Fig. 1 and Fig. 2 is respectively that demarcation strip Filter Tuber For Clean Coal is counter heats the vertical partial sectional view of wind furnace and horizontal cross for band.Fig. 1
In~Fig. 2,1 is combustion chamber, and 11 be demarcation strip, and 2 be smoke exhaust pipe, and 3 be moulded coal bed, and 4 be fire door.
Specific embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
As shown in 1~attached drawing of attached drawing 2, demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band, mainly includes combustion chamber 1,2 He of smoke exhaust pipe
Moulded coal bed 3.Smoke exhaust pipe 2 is the corrosion resistant metal pipe arranged vertically.2 internal face of smoke exhaust pipe extends downwardly the combustion chamber 1 surrounded
Intracavity space is igniting ignition substance laydown area.
In standing upside down, 180 ° of arrangements are barrel-shaped, and level ground and cylindrical lateral wall face and top surface are surrounded in combustion chamber 1 for combustion chamber 1
Chamber, the high 1.0m~1.2m in 1 inner cavity of combustion chamber, radius 1.0m~1.2m, 1 end face center of combustion chamber open up round smoke outlet, smoke evacuation
Mouth circumference is connected with 2 bottom face circumference full weld of smoke exhaust pipe, and 1 central axis of combustion chamber and 2 central axis of smoke exhaust pipe overlap.Combustion chamber
Numerous rectangular partition plates 11 are arranged in 1 inner cavity vertically, and demarcation strip 11 is equal outward along radial direction centered on 1 central axis of combustion chamber
Even radiation profiles, 11 vertical edge of demarcation strip length is equal, and horizontal edge grows equal, the long 0.6m~0.7m of horizontal edge, and vertical edge is being arranged in demarcation strip 11
2 internal face of smoke pipe is extended downwardly on face, and from 100mm~150mm, demarcation strip 11 pushes up for outer vertical edge and 1 intracavity sidewall identity distance of combustion chamber
Horizontal edge and 1 inner cavity top surface of combustion chamber are welded to connect, and bottom horizontal edge is on the ground.By 1 top surface smoke outlet of combustion chamber, in combustion chamber 1
Chamber and 2 inner cavity unicom of smoke exhaust pipe and two central axis are conllinear, the arrangement and outside wall surface is perpendicular to 1 top surface of combustion chamber vertically of smoke exhaust pipe 2.
1 intracavity space of combustion chamber between adjacent two demarcation strip banks up moulded coal bed 3, and moulded coal bed 3 is in fan-shaped cylinder shape, moulded coal
It is close to 1 top surface internal face of combustion chamber, 3 liang of moulded coal bed without apparent gap, the fan-shaped top surface of moulded coal bed 3 between adjacent two moulded coal in bed 3
Square sides are close to demarcation strip 11, and small arcuate flanks are extended downwardly in 2 internal face of smoke exhaust pipe on face, and 11 outer vertical edge of demarcation strip exists
In big arcuate flanks.
Combustion chamber 1 can be brick type Refractory brick wall, which is built by laying bricks or stones by thin refractory brick blocks high temperature clay bonding
It forms, combustion chamber 1 can also be monoblock type refractory casting structure.1 outside wall surface of combustion chamber can lay 3mm~5mm thickness metal-backs
Body, to reduce destruction of the 1 high-temperature expansion thermal stress of combustion chamber to fireproof construction leakproofness.Combustion chamber 1 is in barrel-shaped, 180 ° of handstand
Arrangement, is made of circular ring shape top surface and cylindrical sides, and cylindrical sides are perpendicular to the ground, and circular ring shape top surface is parallel to the ground,
1 end face center of combustion chamber opens up round smoke outlet.The crown wall and side wall of combustion chamber 1, side wall and ground are close by high temperature clay
Envelope is fixedly connected.Crown wall and side wall flame retardant coating thickness range are in 40mm~60mm.
Ground and 1 side wall surface of combustion chamber and 1 top surface of combustion chamber surround 1 inner cavity of combustion chamber, and 1 cavity arrangements of combustion chamber are numerous
Demarcation strip 11, numerous 11 vertical edge of demarcation strip length are equal, and horizontal edge length is equal, and demarcation strip 11 is evenly arranged in radial outward, is separated
Vertical edge is extended downwardly in 2 internal face of smoke exhaust pipe on face in plate 11, outer vertical edge and 1 intracavity sidewall identity distance of combustion chamber from for 100mm~
150mm, demarcation strip 11 pushes up horizontal edge and 1 top surface internal face of combustion chamber is welded to connect.
1 side wall center of combustion chamber opens up fire door 4 between adjacent two demarcation strip, and 4 center of fire door opens up combustion air inlet port,
1 intracavity space of combustion chamber between adjacent two demarcation strip is 3 stacking area of moulded coal bed.It is followed successively by outward by 1 lumen centers of combustion chamber
Ignition substance of lighting a fire laydown area, 3 stacking area of moulded coal bed, static pressure area.
3 stacking area of moulded coal bed that 1 intracavity space of combustion chamber between adjacent two demarcation strip is formed fills up moulded coal, same to bank up
The numerous moulded coal composing type coal beds 3 in area.1 inner cavity of combustion chamber is not provided with traditional fire bars, 3 total weight of ground supports moulded coal bed.Moulded coal
3 top surfaces of bed are in same level and are close to 1 top surface internal face of combustion chamber.Without apparent gap, type between adjacent two moulded coal
3 liang of square sides of coal bed are close to demarcation strip 11, and moulded coal bed 3 is banked up inwardly extends downwardly face, type no more than 2 internal face of smoke exhaust pipe
Coal bed 3 banks up length and 11 horizontal edge of demarcation strip length is equal, and 2 internal face of smoke exhaust pipe extends downwardly cavity space in the combustion chamber 1 that face surrounds
Between for igniting ignition substance laydown area.3 gas channel of moulded coal bed is in outside homogeneous radiation shape, and center axis is parallel with ground.
Combustion air all uniformly flows into 3 gas channel of moulded coal bed, along 1 cavity radius direction of combustion chamber, inwardly flows into combustion
Burning face and all become CO2It is discharged with flue gas from smoke outlet along smoke exhaust pipe 2, combustion air utilization rate reaches 100%.In combustion air
Combustion air first passes through the combustion air inlet port of fire door 4 under machine driving effect, subsequently enters static pressure area, then whole uniform flows
Into 3 each gas channel of moulded coal bed, then draw along 1 cavity radius direction of combustion chamber horizontal through 3 stacking area of moulded coal bed into igniting
Combustion things laydown area is most discharged through smoke outlet along smoke exhaust pipe 2 afterwards.3 stacking area of moulded coal bed between adjacent two demarcation strip is uniformly distributed
Burning vehement red moulded coal in 1 inner cavity of combustion chamber and in shared igniting ignition substance laydown area.Vehement red moulded coal ignites edge first
Air-flow direction combustion front upstream moulded coal adjacent thereto, combustion front are displaced outwardly again along the radial direction of 1 inner cavity of combustion chamber.
During using the present invention, fire door 4 is first turned on, work of coalingging (by taking height 1.6m as an example) bends over to enter burning from fire door 4
1 inner cavity of room, since 2 internal face of smoke exhaust pipe extend downwardly face along 1 cavity radius direction of combustion chamber outward stacked coal, in moulded coal
3 stacking area heap exoergics of bed meet the moulded coal of 5~6 days baking combustion heat supplying needs.1 inner cavity of combustion chamber between adjacent two demarcation strip
3 stacking area of moulded coal bed that space is formed fills up moulded coal so that without apparent gap and demarcation strip 11 between adjacent two moulded coal in left and right
Adjacent moulded coal bed 3 is close to demarcation strip 11.Vehement red moulded coal (positive burning) first is piled in igniting ignition substance laydown area, then stacking type
Coal composing type coal bed 3, turns off fire door 4.Combustion fan air outlet stretches into 4 center of fire door and opens up combustion air inlet port, combustion-supporting
In fan power line access flue-cured tobacco controller, combustion air first flows into static pressure area, then all uniformly flows into 3 each air-flow of moulded coal bed and lead to
Road, then along 1 cavity radius direction of combustion chamber horizontal through 3 stacking area of moulded coal bed, into igniting ignition substance laydown area.Vehement red type
Coal is ignited first along air-flow direction combustion front upstream moulded coal adjacent thereto, and combustion front is again along the radius of 1 inner cavity of combustion chamber
Direction is displaced outwardly.Under combustion fan driving effect, combustion front edge and combustion air flowing opposite direction slowly move, i.e. edge
1 lumen centers radial direction of spontaneous combustion room is slowly displaced outwardly.After baking, fire door 4 is opened, moulded coal cinder is shoveled with spades
Go out.
Inventive structure feature, technical characteristic and the technique effect that brings are described in detail as follows：
Invention is with " 2 central axis of smoke exhaust pipe and 1 central axis of combustion chamber overlap, and 2 outside wall surface of smoke exhaust pipe is perpendicular to burning
The structure feature of 1 top surface of room ".1 end face center of combustion chamber of the present invention opens up round smoke outlet, 2 bottom of smoke outlet circumference and smoke exhaust pipe
End face circumference full weld connection, 1 central axis of combustion chamber and 2 central axis of smoke exhaust pipe overlap, and 2 outside wall surface of smoke exhaust pipe is perpendicular to burning
1 top surface of room.Recycled air stream along 2 wall surface of smoke exhaust pipe impact 1 top wall surface of combustion chamber downwards when, enhance vertical impact formula
Air-wall surface heat convection.
Invention is with " 1 inner cavity even partition of combustion chamber is several 3 stacking areas of moulded coal bed in parallel by demarcation strip 11 "
Structure feature.Combustion chamber 1 of the present invention is in barrel-shaped, and 180 ° of arrangements of standing upside down, ground and 1 side wall surface of combustion chamber and combustion chamber 1 are pushed up
Face surrounds 1 inner cavity of combustion chamber, the numerous moulded coals of 1 cavity arrangements of combustion chamber and numerous demarcation strips 11, and 11 vertical edge of demarcation strip length is equal, horizontal
The length of side is equal, and demarcation strip 11 is evenly arranged in radial outward, and vertical edge extends downwardly face in 2 internal face of smoke exhaust pipe in demarcation strip 11
On, from for 100mm~150mm, demarcation strip 11, which pushes up horizontal edge and 1 top surface of combustion chamber, expires for outer vertical edge and 1 intracavity sidewall identity distance of combustion chamber
Weldering connects, and 1 intracavity space of combustion chamber between adjacent two demarcation strip is 3 stacking area of moulded coal bed, and 3 liang of square sides of moulded coal bed are tight
Paste demarcation strip 11.Due to demarcation strip 11 in outward it is radial be evenly arranged, the moulded coal bed 3 between adjacent two demarcation strip is banked up
Area is evenly distributed in 1 inner cavity of combustion chamber and shares the vehement red moulded coal in igniting ignition substance laydown area, and vehement red moulded coal draws first
Moulded coal of the combustion along combustion air flowing direction combustion front upstream 3 stacking area front end of moulded coal bed adjacent thereto, combustion front is again along combustion
The radial direction for burning 1 inner cavity of room is displaced outwardly.Demarcation strip 11 has the function of water conservancy diversion combustion air, makes in 3 stacking area of moulded coal bed
Air-flow only radially bottom horizontal flow sheet, do not flow along the circumferential direction, combustion air avoided along the circumferential direction to mix interference, together
When combustion air flow is distributed uniformly and circumferentially.Demarcation strip 11 by 1 inner cavity even partition of combustion chamber for several simultaneously
3 stacking area of moulded coal bed of connection is equivalent to the effect of several small-sized reversed combustion heat wind furnace parallel connections.Compared with continuous tunnel furnace, expand
Moulded coal stacks twice or so of space, and combustion heat supplying can meet two standard dense tobacco flue-curing houses and use, can reduce hot-blast stove and build
Cause this.
Invention has " open fire reverse combustion " technical characteristic.Combustion air of the present invention flows successively through static pressure area, moulded coal bed 3 is banked up
Area, igniting ignition substance laydown area.The combustion air of combustion fan driving enters the static pressure area in combustion chamber 1, subsequently into moulded coal
3 stacking areas of bed.Static pressure area closed performance is good, and combustion air can all evenly flow into 3 each air-flow of moulded coal bed and lead in static pressure area
Road, and moulded coal bed 3 is flowed uniformly through in a manner of horizontal piston stream.Vehement red moulded coal ignites it with adjacent moulded coal and forms burning
Face, combustion front are slowly displaced outwardly along 1 lumen centers radial direction of combustion chamber, combustion front moving direction and combustion air flowing side
To on the contrary, realizing open fire reverse combustion heat supply.Combustion front along 1 lumen centers radial direction of combustion chamber be displaced outwardly when, constantly preheat
What is contacted flows direction upstream moulded coal along combustion air, and the carbonization gas of the pre- thermosetting of moulded coal is with combustion air to burning
1 cavity radius direction of room is inwardly flowed, and subsequently enters combustion front and completely burned reaction occurs.Leave the high temperature CO of combustion front2
There is no high-temperature coke to contact during inwardly flowing to smoke exhaust pipe 2 along 1 cavity radius direction of combustion chamber, i.e., cannot generate
CO, smoke evacuation is with CO in this way2Based on.Inlet point fire after flue gas level is flowed through along combustion air flowing direction combustion zone downstream moulded coal slag
The upper space of ignition substance laydown area is finally discharged from smoke outlet along smoke exhaust pipe 2.Light a fire ignition substance laydown area upper space without
CO gases are detained, and prevent detonation wounding event in stove and occur.Smoke evacuation is without the loss of energy in CO, and combustion heat release amount reaches maximum, burning
Thermal discharge and combustion air flow are directly proportional, improve the thermal efficiency, are also created for combustion air flow control accurate hot blast temperature
Advantage.
Invention has " combustion fan start and stop control accurate combustion heat supplying " technical characteristic.The invention mainly comprises along combustion-supporting sky
The static pressure area that flow of air direction is arranged in order, 3 stacking area of moulded coal bed, ignition substance laydown area of lighting a fire.Moulded coal bed 3 banks up numerous types
Coal, 3 each gas channel of moulded coal bed, which corresponds to, to be connected, without apparent gap between adjacent moulded coal.It is new by the unburned low temperature of certain length
Under moulded coal partition effect, combustion fan is always in normal temperature environment, and combustion fan shell temperature is consistently lower than 38 DEG C, combustion fan
Insulation performance is protected, combustion fan outlet air maintain always it is specified go out wind levels.Combustion air is opened up by 4 center of fire door
The combustion air that inlet port enters static pressure area all uniformly flows into 3 each gas channel of moulded coal bed.Flow into helping for 3 stacking area of moulded coal bed
Combustion air all flows to combustion front with piston-like mode of jet horizontal proliferation.Combustion air into combustion zone all becomes
CO2Discharge.Combustion air does not bypass short-circuit loss and discharges CO2, Actual combustion heat release is consistently equal to combustion fan nominal air delivery
Corresponding maximum combustion heat release realizes combustion fan start and stop control accurate combustion heat supplying, and this accuracy is reliable and stable,
It will not be different due to people Yin Shiyin ignition temperatures difference.
Invention has " high temperature isolation " technical characteristic.Combustion fan of the present invention is in 1 outer wall surface side of combustion chamber, high temperature combustion zone
3 stacking area of moulded coal bed of 1 inner cavity of combustion chamber is always positioned at, there is the unburned of certain length between combustion zone and combustion fan always
Every so that combustion fan always in low-temperature condition, combustion fan period high-temperature furnace gas out of service is difficult to wear low form coal facies
It crosses certain length low temperature moulded coal and reversely flows backwards contact scaling loss combustion fan coil heat-insulating property, without diligent monitoring combustion fan fortune
Row, combustion fan outlet air ability is secure, and air output is constant not to be declined, and solves combustion fan high temperature existing for continuous tunnel furnace and burns
Damage, combustion fan air output permanently decline and influence Flue-cured tobacco Quality problem.
Agriculture rural area field tobacco modulation intensive flue-cured tobacco and scattered leaf hot blast stove for flue-cured tobacco, can be used the present invention.
Invention operation is comfortable, and economy, energy conservation and environmental protection and social benefit are notable.Using showing：It is disposable to coaling and continuous tunnel furnace
It compares, flue gas CO discharges reduce by 75%, economize on coal 25%；It can be close to baking process curve generation intensive flue-cured tobacco hot wind；Combustion air
Casing temperature is consistently lower than 38 DEG C, no high temperature scaling loss, and combustion fan outlet air is stable, undamped.
Claims (1)
1. demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band, mainly including combustion chamber, smoke exhaust pipe and moulded coal bed, it is characterised in that：Smoke evacuation
The corrosion resistant metal pipe to arrange vertically is managed, combustion chamber is barrel-shaped in 180 ° of arrangements of standing upside down, level ground and cylindrical lateral wall
Face and top surface surround combustion chamber inner cavity, the high 1.0m~1.2m in combustion chamber inner cavity, radius 1.0m~1.2m, and combustion chamber end face center is opened
If round smoke outlet, smoke outlet circumference are connected with smoke exhaust pipe bottom face circumference full weld, combustion chamber central axis and smoke evacuation tube hub
Axis overlaps, and numerous rectangular partition plates are arranged in combustion chamber inner cavity vertically, and demarcation strip is centered on the central axis of combustion chamber along radius
The outside homogeneous radiation distribution in direction, demarcation strip vertical edge length is equal, horizontal edge equal, a length of 0.6m~0.7m of horizontal edge of length, in demarcation strip
Vertical edge is extended downwardly in smoke exhaust pipe internal face on face, outer vertical edge and combustion chamber intracavity sidewall identity distance from for 100mm~150mm, point
Partition board top horizontal edge and combustion chamber inner cavity top surface are welded to connect, and bottom horizontal edge is on level ground, the burning between adjacent two demarcation strip
Indoor cavity space banks up moulded coal bed, and moulded coal bed is in fan-shaped cylinder shape, without apparent gap, moulded coal between adjacent two moulded coal in moulded coal bed
Combustion chamber top surface internal face is close in the fan-shaped top surface of bed, and two square sides of moulded coal bed are close to demarcation strip, and small arcuate flanks are being discharged fume
Inside pipe wall is downwards on extended surface, and for the outer vertical edge of demarcation strip in big arcuate flanks, smoke exhaust pipe internal face extends downwardly what face surrounded
Combustion chamber intracavity space is igniting ignition substance laydown area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178664.5A CN108224412A (en) | 2018-03-05 | 2018-03-05 | Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810178664.5A CN108224412A (en) | 2018-03-05 | 2018-03-05 | Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108224412A true CN108224412A (en) | 2018-06-29 |
Family
ID=62666815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810178664.5A Withdrawn CN108224412A (en) | 2018-03-05 | 2018-03-05 | Demarcation strip Filter Tuber For Clean Coal is counter heats wind furnace for band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108224412A (en) |
-
2018
- 2018-03-05 CN CN201810178664.5A patent/CN108224412A/en not_active Withdrawn
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Application publication date: 20180629 |