CN110107883A - Combustion system for biomass solid combustion gas cracking - Google Patents
Combustion system for biomass solid combustion gas cracking Download PDFInfo
- Publication number
- CN110107883A CN110107883A CN201910395406.7A CN201910395406A CN110107883A CN 110107883 A CN110107883 A CN 110107883A CN 201910395406 A CN201910395406 A CN 201910395406A CN 110107883 A CN110107883 A CN 110107883A
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- China
- Prior art keywords
- fire grate
- furnace body
- feed
- ash
- pedestal
- Prior art date
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Classifications
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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
- F23B30/00—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber
- F23B30/02—Combustion apparatus with driven means for agitating the burning fuel; Combustion apparatus with driven means for advancing the burning fuel through the combustion chamber with movable, e.g. vibratable, fuel-supporting surfaces; with fuel-supporting surfaces that have movable parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23H—GRATES; CLEANING OR RAKING GRATES
- F23H9/00—Revolving-grates; Rocking or shaking grates
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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
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/02—Apparatus for removing ash, clinker, or slag from ash-pits, e.g. by employing trucks or conveyors, by employing suction devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K3/00—Feeding or distributing of lump or pulverulent fuel to combustion apparatus
- F23K3/10—Under-feed arrangements
- F23K3/14—Under-feed arrangements feeding by screw
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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
- F23L3/00—Arrangements of valves or dampers before the fire
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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
- F23L5/00—Blast-producing apparatus before the fire
- F23L5/02—Arrangements of fans or blowers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23K—FEEDING FUEL TO COMBUSTION APPARATUS
- F23K2203/00—Feeding arrangements
- F23K2203/20—Feeding/conveying devices
- F23K2203/202—Feeding/conveying devices using screws
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The present invention relates to a kind of combustion systems for biomass solid combustion gas cracking.Combustion system for biomass solid combustion gas cracking, it is characterised in that including feeding device, pedestal, furnace body, rotary fire grate, fire grate rotation drive device, the first blower, ash ejector；The lower end left side of furnace body is equipped with feed barrel and is inserted into hole, is equipped with nozzles, the right end of nozzles and the combustion chamber being located on carbide furnace on the right of the upper end of furnace body；Lower end is equipped with rotary fire grate in the combustion chamber of furnace body, and multiple axial tugboats are equipped on support frame, and rotary fire grate is shelved on multiple axial tugboats；The upper outside wall of rotary fire grate is fixedly installed with the fire grate fluted disc of annular, and fire grate fluted disc is meshed with the driving gear of fire grate rotation drive device；The upper surface of rotary fire grate is equipped with multiple air blast tuyeres；The center of rotary fire grate is equipped with ash output opening, is equipped with ash ejector in ash output opening, ash ejector is fixedly mounted on pedestal.The material combusting of the combustion system is uniform.
Description
Technical field
The present invention relates to a kind of biomass solid combustion gas Preparation equipments, and in particular to one kind is split for biomass solid combustion gas
The combustion system of solution.
Background technique
Biomass fuel can solve crop straw burning pollution air, and alternative fossil energy.Currently, biomass fuel is raw
It produces and mainly uses two kinds of methods.The first is physical method: cannot change components of biomass, now mostly briquetting (particle)；It lacks
Point is: caloic is extremely difficult to Industrial Boiler requirement, and as the consequence for burning pollution air down on the farm, also easy coking
Damage boiler.It is process for producing into biomass gas or liquid fuel, but wants dedicated transport pipeline or special transport vehicle for second,
Fuel could be shipped for user, even if combustion gas is shipped for user, but many clients do not have security against fire use condition again, make
With at high cost, while the relatively low cost performance of biomass thermal transfer efficiency is low, and exploitativeness is poor.
It is existing for biomass solid combustion gas cracking combustion system (or combustion furnace), fire grate be it is fixed, also without
The raw material of blast orifice, burning cannot be overturn, and material combusting is uneven, insufficient.
Summary of the invention
The purpose of the present invention is to provide it is a kind of for biomass solid combustion gas cracking combustion system, the combustion system
Material combusting is uniform, burning is abundant.
To achieve the above object, the technical solution used in the present invention: the burning system for biomass solid combustion gas cracking
System, it is characterised in that including feeding device, pedestal 1, furnace body 20, rotary fire grate 13, fire grate rotation drive device, the first blower 3,
Ash ejector 9；Feeding device, furnace body 20 are separately mounted on pedestal 1, the discharge port and the combustion chamber 21 in furnace body 20 of feeding device
It is connected；Furnace body 20 is tubular, and the upper end of furnace body 20 is closed end, and the lower end of furnace body 20 is open end, is equipped with water in furnace body 20
17, refractory material layer 18 are covered, it is combustion chamber 21 in refractory material layer 18 that refractory material layer 18, which is located at the inside of water jacket 17,；Furnace body
The 20 lower end left side is equipped with feed barrel and is inserted into hole, is equipped with nozzles 16 on the right of the upper end of furnace body 20, the left end of nozzles 16 with
Combustion chamber 21 is connected, the right end and combustion chamber of nozzles 16；The upper end of furnace body 20 is equipped with cooling water outlet 19, furnace body 20
Lower end be equipped with cooling water inlet 32, cooling water outlet 19, cooling water inlet 32 are connected with water jacket 17 respectively；Furnace body 20
Lower end is equipped with rotary fire grate 13 in combustion chamber 21, and multiple axial tugboats 6 are equipped on support frame, and bottom is fixedly mounted in support frame
On seat 1, rotary fire grate 13 is shelved on multiple axial tugboats 6, and multiple radially fixed wheels 11 are circumferentially equipped on pedestal 1, more
A radially fixed wheel 11 is in contact with the lower outside wall of rotary fire grate 13 respectively；The fixed peace of the upper outside wall of rotary fire grate 13
Fire grate fluted disc 12 equipped with annular, fire grate fluted disc 12 are meshed with the driving gear of fire grate rotation drive device；Rotary fire grate 13
Air blast chamber 25 is equipped between support frame 44, the upper surface of rotary fire grate 13 is equipped with multiple air blast tuyeres 24, and support frame 44 is equipped with
The upper end of blast channel 10, blast channel 10 is communicated with air blast chamber 25, and air blast tuyere 24 is communicated with air blast chamber 25；Blast channel 10
Lower end be connected by the second air hose 5 with the delivery outlet of the first blower 3；The center of rotary fire grate 13 is equipped with ash output opening, ash output opening
Interior to be equipped with ash ejector 9, ash ejector 9 is fixedly mounted on pedestal 1.
Combustion system for biomass solid combustion gas cracking further includes the second blower 40, third air hose 38, convolution wind wind
Pipe 14, furnace body 20 is interior to be equipped with multiple convolution wind air hoses 14, and the convolution wind outlet 39 of convolution wind air hose 14 is connected with combustion chamber 21,
Multiple convolution wind air hoses 14 are connected by third air hose 38 with the delivery outlet of the second blower 40.
Air port is equipped at the nozzles 16, air port is connected by nozzles aid distributing pipe 15 with the delivery outlet of the second blower 40.
The fire grate rotation drive device includes driving gear 35, fire grate rotating electric machine 36, speed reducer 37, arranges rotating electric machine
36, speed reducer 37 is respectively and fixedly installed on pedestal 1, the input terminal phase of the output shaft and speed reducer 37 of fire grate rotating electric machine 36
Even, the output shaft of speed reducer 37 is equipped with driving gear 35, and driving gear 35 is meshed with fire grate fluted disc 12.
The feeding device includes feed auger bar 2, feed auger blade 26, feed bin 28, feed barrel 30, charging motor
31；Feed barrel 30, charging motor 31 are respectively and fixedly installed on pedestal 1, and feed barrel 30 is located at the left side of furnace body 20, charging
Motor 31 is located at the left side of feed barrel 30, and the right end of feed barrel 30 is discharge port, the right part of feed barrel 30 and furnace body
20 is fixed, and the discharge port of feed barrel 30 is connected with the combustion chamber 21 in furnace body 20；The left end of feed barrel 30 and ring flange
Be connected, the left part upper end of feed barrel 30 is provided with feed inlet, and feed bin 28 is fixed on feed barrel 30, the feed opening of feed bin 28 with
Feed inlet on feed barrel 30 is connected；The middle part of feed auger bar 2, right part are located in feed barrel 30, feed auger bar 2
Left end pass through ring flange material spiral rod through-hole after positioned at feed barrel 30 left side, the left part of feed auger bar 2 is by axis
It holds and is connected with ring flange, the left end of feed auger bar 2 is connected by shaft coupling with the output shaft of charging motor 31, feed auger bar 2
It is equipped with feed auger blade 26, feed auger blade 26 is located in feed barrel 30.
The right part of the feed barrel 30 of the feeding device is exported equipped with multiple air curtains, and the outlet of multiple air curtains is respectively by the
One air hose 4 is connected with the delivery outlet of the first blower 3.
The ash ejector 9 includes body 42, stirring sheet 41, ash discharge screw rod 43, ash discharge helical blade 8, is set in body 42
There is ash discharge through-hole, body 42 is fixedly mounted on support frame 44, and the top of ash discharge screw rod 43 is located in body 42, ash discharge spiral
The lower end of bar 43 is mounted on pedestal 1 by bearing, and the lower part of ash discharge screw rod 43 is equipped with driven gear, driven gear with go out
Driving gear on grey motor is meshed, and ash discharge motor is fixedly mounted on pedestal 1, is fixedly installed with out on ash discharge screw rod 43
Grey helical blade 8, ash discharge helical blade 8 are located in the ash discharge through-hole of body 42, and the upper end of body 42 is fixed with stirring sheet 41, device
The pedestal 1 of 42 lower section of body is equipped with ash port 7；Water pipe is installed, the water outlet of water pipe is located at ash port 7 on support frame 44.
It is equipped in the combustion chamber 21 and pulls out material bar 46, pulled out to be fixed on material bar 46 and pull out tablet 47, pull out the outer end of material bar 46
Across furnace body 20 pull out material rod aperture after by shaft coupling with pull out material motor 45 output shaft be connected, pull out expect motor 45 be mounted on furnace body 20
On upper or pedestal 1.
The upper surface of the rotary fire grate 13 is cambered surface, and middle part is lower than edge.
The beneficial effects of the present invention are:
1, using rotatable rotary fire grate, and it is connected with fire grate rotation drive device；Rotary fire grate rotation disturbs raw material
Dynamic, material combusting is uniform.The upper surface of rotary fire grate is equipped with multiple air blast tuyeres, and combustible raw material is placed on rotary fire grate, drum
The wind of wind tuyere blowout blows raw material overturning, makes material combusting uniformly (rotation+blowing, contact oxygen is abundant, and burning is abundant).
2, the right part of the feed barrel of feeding device is exported equipped with multiple air curtains, generates wind in the right part of feed barrel
Curtain prevents the hot gas in combustion chamber from being lost outward.
3, it is equipped with multiple convolution wind air hoses in furnace body, wind is whirled up in combustion chamber, accelerates burning.
4, it is equipped with air port at nozzles, improves the oxygen of burning, keeps burning more abundant.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is the cross-sectional view in Fig. 1 along line A-A.
Fig. 3 is the cross-sectional view in Fig. 1 along line B-B.
Fig. 4 is the structural schematic diagram that the present invention pulls out glassware.
In figure: 1- pedestal, 2- feed auger bar, the first blower of 3-, the first air hose of 4-, the second air hose of 5-, 6- axial direction tugboat,
7- ash port, 8- ash discharge helical blade, 9- ash ejector, 10- blast channel, the radially fixed wheel of 11-, 12- fire grate fluted disc, 13- rotation
Converter row, 14- convolution wind air hose, 15- nozzles aid distributing pipe, 16- nozzles, 17- water jacket, 18- refractory material layer, 19- cooling water go out
Mouthful, 20- furnace body, 21- combustion chamber, 22- peep hole, 23- manhole, 24- air blast tuyere, 25- air blast chamber, 26- feed auger leaf
Piece, 27- level-sensing device, 28- feed bin, 29- hopper wall vibrator, 30- feed barrel, 31- charging motor, 32- cooling water inlet, 33-
Cooling tube, 34- slag remover, 35- driving gear (multi-stage gear), 36- fire grate rotating electric machine (variable-frequency motor), 37- speed reducer is (tiltedly
Gear reduction unit), 38- third air hose, the outlet of 39- convolution wind, the second blower of 40-, 41- stirring sheet, 42- body, 43- ash discharge spiral shell
Spinner handle, 44- support frame, 45- pull out material motor, and 46- pulls out material bar, and 47- pulls out tablet, 48- cooling air inlet, 49- water.
Specific embodiment
In order to be best understood from the present invention, the present invention is described further below with reference to embodiment, the content of present invention covers
But it is not limited to following embodiment.
As shown in Figure 1-3, the combustion system for biomass solid combustion gas cracking, including feeding device, pedestal 1, furnace body
20, rotary fire grate 13, fire grate rotation drive device, the first blower 3, ash ejector 9；Feeding device, furnace body 20 are separately mounted to bottom
(feeding device is located at the left side of furnace body 20 on seat 1；In Fig. 2 the left side be left side, the right is right side), the discharge port of feeding device with
Combustion chamber 21 in furnace body 20 is connected；Furnace body 20 is tubular, and the upper end of furnace body 20 is closed end, and the lower end of furnace body 20 is opening
End, furnace body 20 is interior to be equipped with water jacket 17, refractory material layer 18, and refractory material layer 18 is located at the inside of water jacket 17, refractory material layer 18
Interior is combustion chamber 21；The lower end left side of furnace body 20 is equipped with feed barrel insertion hole, and (feed barrel is inserted into hole and 21 phase of combustion chamber
Connection), upper end the right of furnace body 20 is equipped with nozzles 16, and the left end of nozzles 16 is connected with combustion chamber 21, the right end of nozzles 16
(combustion chamber is connected with the hot fume room being located on carbide furnace (or biomass solid combustion gas pyrolysis furnace) with combustion chamber
Logical, combustion chamber is equipped with the cracking gas entrance that carbide furnace generates, and hot fume room provides heat source for carbide furnace)；The upper end of furnace body 20
Equipped with cooling water outlet 19, the lower end of furnace body 20 is equipped with cooling water inlet 32, and cooling water outlet 19, cooling water inlet 32 are distinguished
Being connected with water jacket 17, (cooling water outlet 19, cooling water inlet 32 are connected with cooling water recirculation system respectively, cooling water cyclic system
System provides cooling water water source, is the prior art)；Lower end is equipped with 13 (revolving burner of rotary fire grate in the combustion chamber 21 of furnace body 20
Row 13 does not contact with furnace body 20, and rotary fire grate 13 is rotatable), multiple 6 (such as 3-30 axial directions of axial tugboats are installed on support frame
Tugboat 6, or axial support wheel；The present embodiment is circumferentially arranged using multiple axial tugboats 6), pedestal 1 is fixedly mounted in support frame
On, rotary fire grate 13 is shelved on multiple axial tugboats 6 (i.e. rotary fire grate 13 is rotatable), edge on the pedestal 1 of 20 lower section of furnace body
Circumference is equipped with multiple radially fixed wheels 11, and (such as 3-30 radially fixed wheels 11, rise and put around limiting rotary fire grate 13
It is dynamic), multiple radially fixed wheels 11 are in contact with the lower outside wall of rotary fire grate 13 respectively；The upper outside wall of rotary fire grate 13
It is fixedly installed with the fire grate fluted disc 12 of annular, fire grate fluted disc 12 is meshed with the driving gear of fire grate rotation drive device；Rotation
Air blast chamber 25 is equipped between fire grate 13 and support frame 44, the upper surface of rotary fire grate 13 is equipped with multiple air blast tuyeres 24 (such as 3-30
It is multiple), support frame 44 is equipped with blast channel (or blowing line) 10, and the upper end of blast channel 10 is communicated with air blast chamber 25
(upper end of support frame 44 is not contacted with rotary fire grate 13, and rotary fire grate 13 is rotatable), air blast tuyere 24 is communicated with air blast chamber 25；
The lower end of blast channel 10 is connected by the second air hose 5 with the delivery outlet of the first blower 3, and (wind that the first blower 3 generates enters the
Two air hoses 5, blast channel 10, air blast chamber 25, air blast tuyere 24, combustible raw material are placed on rotary fire grate 13, air blast tuyere
The wind of 24 blowouts blows raw material overturning, keeps material combusting uniform；The rotation of rotary fire grate 13 disturbs raw material, and material combusting is uniform)；
The center of rotary fire grate 13 is equipped with ash output opening, is equipped with ash ejector 9 (ash ejector 9 is not contacted with rotary fire grate 13) in ash output opening, out
Grey device 9 is fixedly mounted on pedestal 1.
Combustion system for biomass solid combustion gas cracking further includes the second blower 40, third air hose 38, convolution wind wind
Pipe 14, furnace body 20 is interior, and equipped with multiple convolution wind air hoses 14, (such as 3-10 convolution wind air hose, 3-10 convolution wind air hose are tiltedly arranged in
Same plane, as shown in figure 3, being located at the lower section of nozzles, feed barrel insertion hole, positioned at the top of rotary fire grate 13, combustion chamber
It is inside whirled up wind, accelerates burning), the convolution wind outlet 39 of convolution wind air hose 14 is connected with combustion chamber 21, multiple convolution wind
Air hose 14 is connected by third air hose 38 with the delivery outlet of the second blower 40.
At the nozzles be equipped with air port (air port can be used it is multiple, the present embodiment use 2), air port is by nozzles aid distributing pipe 15
It is connected with the delivery outlet of the second blower 40 and (is equipped with air port at nozzles, improves the oxygen of burning, keep burning more abundant).
The fire grate rotation drive device include driving gear 35, fire grate rotating electric machine (variable-frequency motor) 36, speed reducer (tiltedly
Gear reduction unit) 37, fire grate rotating electric machine 36, speed reducer 37 are respectively and fixedly installed on pedestal 1, arrange the output of rotating electric machine 36
Axis is connected with the input terminal of speed reducer 37, and the output shaft of speed reducer 37 is equipped with driving gear 35, driving gear 35 and fire grate tooth
Disk (or fire grate tooth of annular) 12 is meshed.
It is additionally provided with manhole 23 on the furnace body 20, glass is installed at manhole 23.Sight is additionally provided on the furnace body 20
Hole 22 is examined, glass is installed at peep hole 22；Cooling tube 33, the cooling peep hole of cooling tube 33 are equipped at peep hole 22.
The feeding device (combustion material charging) includes feed auger bar 2, feed auger blade 26, feed bin 28, charging
Cylinder 30, charging motor (variable frequency reducer motor) 31；Feed barrel 30, charging motor 31 are respectively and fixedly installed on pedestal 1, into
Barrel body 30 is located at the left side of furnace body 20, and charging motor 31 is located at the left side of feed barrel 30, and the right end of feed barrel 30 is
Material mouth, the right part of feed barrel 30 and fixed (the feed barrel insertion of the right end insertion furnace body 20 of feed barrel 30 of furnace body 20
In hole), the discharge port of feed barrel 30 is connected with the combustion chamber 21 in furnace body 20；The left end of feed barrel 30 and ring flange phase
Even (material spiral rod through-hole is provided in the middle part of ring flange), the left part upper end of feed barrel 30 is provided with feed inlet, and feed bin 28 is fixed on
On feed barrel 30, the feed opening of feed bin 28 is connected with the feed inlet on feed barrel 30；Middle part, the right side of feed auger bar 2
Portion is located in feed barrel 30, and the left end of feed auger bar 2 is located at feed barrel 30 after the material spiral rod through-hole of ring flange
Left side, the left part of feed auger bar 2 is connected by bearing with ring flange (feed auger bar 2 is rotatable), feed auger bar 2
Left end is connected by shaft coupling with the output shaft of charging motor (variable frequency reducer motor) 31, and feed auger bar 2 is equipped with feed auger
Blade 26 (promotes to the right raw material when rotation), and feed auger blade 26 is located in feed barrel 30.
The right part of the feed barrel 30 of the feeding device is equipped with the outlet of multiple air curtains (such as 2-5 air curtain outlet), more
A air curtain outlet is connected by the first air hose 4 with the delivery outlet of the first blower 3 respectively (generates wind in the right part of feed barrel 30
Curtain prevents the hot gas in combustion chamber 21 from being lost outward).
Be equipped on the feed bin 28 level-sensing device 27 (observation feed bin in combustion material also how many).On the feed bin 28
Hopper wall vibrator 29 (combustion material in feed bin is made to be easy to fall) is installed.
The ash ejector 9 includes body 42, stirring sheet 41, ash discharge screw rod 43, ash discharge helical blade 8, is set in body 42
There is ash discharge through-hole { body 42 is cylinder (being equipped with ash discharge through-hole) }, body 42 is fixedly mounted on support frame 44 (support frame 44
It is fixedly mounted on pedestal 1), the top of ash discharge screw rod 43 is located in body 42, and the lower end of ash discharge screw rod 43 is by bearing
It is mounted on pedestal 1, the lower part of ash discharge screw rod 43 is equipped with driven gear, the driving gear on driven gear and ash discharge motor
It is meshed and (ash discharge screw rod 43 can be driven to rotate), ash discharge motor is fixedly mounted on pedestal 1, fixed peace on ash discharge screw rod 43
Equipped with ash discharge helical blade 8, ash discharge helical blade 8 is located in the ash discharge through-hole of body 42, and the upper end of body 42 is fixed with stirring
The pedestal 1 of piece 41,42 lower section of body is equipped with ash port 7, and water pipe is equipped on support frame 44, and the water outlet of water pipe, which is located at, falls ash
(water outlet of water pipe and falling after ash meets for 42 lower end of body become slag, and the bucket type belt of slag remover 34 is located at ash port 7 at mouth 7
Lower section, slag seen off by bucket type belt).
The pedestal 1 is equipped with slag remover 34, and the bucket type belt of slag remover 34 is located at the lower section of ash port 7.
The upper surface of rotary fire grate 13 is cambered surface, and middle part is lower than edge (walking material to centre).
As shown in figure 4, the combustion system for biomass solid combustion gas cracking further includes pulling out glassware, pulling out glassware includes pulling out material
Bar 46 pulls out tablet 47, pulls out material motor 45；It is equipped in combustion chamber 21 and pulls out material bar 46, pulled out to be fixed on material bar 46 and pull out tablet 47, pull out material
The outer end of bar 46 pass through furnace body 20 pull out material rod aperture after by shaft coupling with pull out material motor 45 output shaft be connected (pull out expect bar 46 can
Rotation), it pulls out material motor 45 and is mounted on furnace body 20 or on pedestal 1.The outer end for pulling out material bar 46 is equipped with cooling air inlet 48, cold
But air intlet 48 connect cooling air source (for pull out material bar 46 cool down).Pull out glassware (pull out glassware include pull out material bar 46,
Pull out tablet 47, pull out material motor 45) pull out material bar pull out raw material, keep raw material more uniform.
Be located at hot fume room on carbide furnace (or biomass solid combustion gas pyrolysis furnace) with for biomass solid combustion gas
The combustion system (or combustor) of cracking combustion chamber the hot fume that combustion system generates enters combustion chamber, then with
Mixing is again for cracking gas that carbide furnace generates (by can the cracking gas brought of burning smoke recovery tube, flammable smoke pipe or combustible fumes)
Secondary burning, the hot fume of generation enter hot fume room and provide heat source (heating to material) to the raw material in carbide furnace, then
Pass through Waste Heat Recovery pipe；Since cracking gas is utilized, the burning of combustion system is reduced；Start after a period of work, big portion
Divide and provide heat source (entering combustion chambers burn) using cracking gas }.The entrance of first blower 3 is connected by pipeline with Waste Heat Recovery pipe
It is logical.
Claims (9)
1. the combustion system for biomass solid combustion gas cracking, it is characterised in that including feeding device, pedestal (1), furnace body
(20), rotary fire grate (13), fire grate rotation drive device, the first blower (3), ash ejector (9)；Feeding device, furnace body (20) point
It is not mounted on pedestal (1), the discharge port of feeding device is connected with the combustion chamber (21) in furnace body (20)；Furnace body (20) is cylinder
Shape, the upper end of furnace body (20) are closed end, and the lower end of furnace body (20) is open end, are equipped with water jacket (17), fire resisting in furnace body (20)
Material layer (18), refractory material layer (18) are located at the inside of water jacket (17), are combustion chamber (21) in refractory material layer (18)；Furnace body
(20) the lower end left side is equipped with feed barrel and is inserted into hole, is equipped with nozzles (16) on the right of the upper end of furnace body (20), nozzles (16)
Left end be connected with combustion chamber (21), the right end and combustion chamber of nozzles (16)；The upper end of furnace body (20) is equipped with cooling
The lower end of water out (19), furnace body (20) is equipped with cooling water inlet (32), cooling water outlet (19), cooling water inlet (32) point
It is not connected with water jacket (17)；Combustion chamber (21) interior lower end of furnace body (20) is equipped with rotary fire grate (13), is pacified on support frame
Equipped with multiple axial tugboats (6), support frame is fixedly mounted on pedestal (1), and rotary fire grate (13) is shelved on multiple axial tugboats (6)
On, multiple radially fixed wheels (11) are circumferentially installed on pedestal (1), multiple radially fixed wheels (11) respectively with rotary fire grate
(13) lower outside wall is in contact；The upper outside wall of rotary fire grate (13) is fixedly installed with the fire grate fluted disc (12) of annular,
Fire grate fluted disc (12) is meshed with the driving gear of fire grate rotation drive device；It is set between rotary fire grate (13) and support frame (44)
Have air blast chamber (25), the upper surface of rotary fire grate (13) is equipped with multiple air blast tuyeres (24), and support frame (44) is equipped with blast channel
(10), the upper end of blast channel (10) is communicated with air blast chamber (25), and air blast tuyere (24) is communicated with air blast chamber (25)；Blast channel
(10) lower end is connected by the second air hose (5) with the delivery outlet of the first blower (3)；The center of rotary fire grate (13) is equipped with ash discharge
Hole, ash output opening is interior to be equipped with ash ejector (9), and ash ejector (9) is fixedly mounted on pedestal (1).
2. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: for biology
The combustion system of matter solid gas cracking further includes the second blower (40), third air hose (38), convolution wind air hose (14), furnace body
(20) multiple convolution wind air hoses (14) are equipped in, the convolution wind outlet (39) of convolution wind air hose (14) is connected with combustion chamber (21)
Logical, multiple convolutions wind air hose (14) are connected by third air hose (38) with the delivery outlet of the second blower (40).
3. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: the nozzles
(16) air port is equipped at, air port is connected by nozzles aid distributing pipe (15) with the delivery outlet of the second blower (40).
4. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: the fire grate
Rotation drive device includes driving gear (35), fire grate rotating electric machine (36), speed reducer (37), and row rotating electric machine (36) is slowed down
Machine (37) is respectively and fixedly installed on pedestal (1), the input terminal phase of the output shaft and speed reducer (37) of fire grate rotating electric machine (36)
Even, the output shaft of speed reducer (37) is equipped with driving gear (35), and driving gear (35) is meshed with fire grate fluted disc (12).
5. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: the charging
Device includes feed auger bar (2), feed auger blade (26), feed bin (28), feed barrel (30), charging motor (31)；Into
Barrel body (30), charging motor (31) are respectively and fixedly installed on pedestal (1), and feed barrel (30) is located at a left side for furnace body (20)
Side, charging motor (31) are located at the left side of feed barrel (30), and the right end of feed barrel (30) is discharge port, feed barrel (30)
Right part and furnace body (20) it is fixed, the discharge port of feed barrel (30) is connected with the combustion chamber (21) in furnace body (20)；Into
The left end of barrel body (30) is connected with ring flange, and the left part upper end of feed barrel (30) is provided with feed inlet, and feed bin (28) is fixed on
On feed barrel (30), the feed opening of feed bin (28) is connected with the feed inlet on feed barrel (30)；Feed auger bar (2)
Middle part, right part are located in feed barrel (30), and the left end of feed auger bar (2) is located at after the material spiral rod through-hole of ring flange
The left part in the left side of feed barrel (30), feed auger bar (2) is connected by bearing with ring flange, a left side for feed auger bar (2)
End is connected by shaft coupling with the output shaft of charging motor (31), and feed auger bar (2) is equipped with feed auger blade (26), charging
Helical blade (26) is located in feed barrel (30).
6. the combustion system for biomass solid combustion gas cracking according to claim 1 or 5, it is characterised in that: described
The right part of the feed barrel (30) of feeding device is exported equipped with multiple air curtains, and multiple air curtain outlets are respectively by the first air hose (4)
It is connected with the delivery outlet of the first blower (3).
7. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: the ash discharge
Device (9) includes body (42), stirring sheet (41), ash discharge screw rod (43), ash discharge helical blade (8), is equipped in body (42)
Grey through-hole, body (42) are fixedly mounted on support frame (44), and the top of ash discharge screw rod (43) is located in body (42), ash discharge
The lower end of screw rod (43) is mounted on pedestal (1) by bearing, and the lower part of ash discharge screw rod (43) is equipped with driven gear, from
Moving gear is meshed with the driving gear on ash discharge motor, and ash discharge motor is fixedly mounted on pedestal (1), ash discharge screw rod (43)
On be fixedly installed with ash discharge helical blade (8), ash discharge helical blade (8) is located in the ash discharge through-hole of body (42), body (42)
Upper end be fixed with stirring sheet (41), the pedestal (1) below body (42) be equipped with ash port (7)；Support frame is installed on (44)
There is water pipe, the water outlet of water pipe is located at ash port (7).
8. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: the burning
It is equipped in chamber (21) and pulls out material bar (46), pulled out to be fixed on material bar (46) and pull out tablet (47), the outer end for pulling out material bar (46) passes through furnace
Body (20) pull out material rod aperture after by shaft coupling with pull out material motor (45) output shaft be connected, pull out expect motor (45) be mounted on furnace body
(20) on or on pedestal (1).
9. the combustion system according to claim 1 for biomass solid combustion gas cracking, it is characterised in that: the rotation
The upper surface of fire grate (13) is cambered surface, and middle part is lower than edge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395406.7A CN110107883A (en) | 2019-05-14 | 2019-05-14 | Combustion system for biomass solid combustion gas cracking |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910395406.7A CN110107883A (en) | 2019-05-14 | 2019-05-14 | Combustion system for biomass solid combustion gas cracking |
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| CN110107883A true CN110107883A (en) | 2019-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910395406.7A Pending CN110107883A (en) | 2019-05-14 | 2019-05-14 | Combustion system for biomass solid combustion gas cracking |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110454772A (en) * | 2019-08-27 | 2019-11-15 | 山东理工大学 | A kind of inclination feed type agricultural-forestry biomass particle combustion furnace |
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