CN205974423U - Biomass gasification facility - Google Patents
Biomass gasification facility Download PDFInfo
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- CN205974423U CN205974423U CN201620978326.6U CN201620978326U CN205974423U CN 205974423 U CN205974423 U CN 205974423U CN 201620978326 U CN201620978326 U CN 201620978326U CN 205974423 U CN205974423 U CN 205974423U
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- gasification
- ash
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- box
- rubbish
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Abstract
The embodiment of the utility model provides a biomass gasification facility is related to, the device includes: the feeding case is including screw feeder and feeding box, in the rubbish of waiting to gasify gets into the feeding box by screw feeder, the gasification case sets up in the below of feeding case, and the rubbish of waiting to gasify gets into the gasification case by the feeding case, the gasification box is drawn together to the gasification case and bag, the guide is fought and the inner bag is derived in the gas, the guide is fought and is set up on the bottom lateral wall in the gasification box, the gas is derived the inner bag and is set up the upper portion in the gasification box, forms the intermediate layer between the outside of gas derivation inner bag and the inboard of gasification box, gas union coupling mouth is worn to be equipped with by the upper portion lateral wall of gasification box, and gas union coupling mouth is linked together with the intermediate layer, distribution ash storage box sets up in the below of gasification case, distribution ash storage box includes a plurality of distribution boxes, slag scraping device, safety cover and the ash storage box body, form at least one ash chute that falls between a plurality of distribution boxes, the ash storage box position is below the ash chute that falls.
Description
Technical field
This utility model is related to environmental technology field, more particularly, to a kind of biomass gasification device.
Background technology
The Prediction for Solid Waste Treatment Technology of the mankind assumes diversified trend now, and wherein biomass gasification technology is used for living
The process of rubbish, is progressively moving towards practical, its function Bright Prospect to human environment protection.
Gasification of biomass is under certain thermodynamic condition, by composition biomass Hydrocarbon be converted into containing CO,
H2、CH4Process Deng fuel gas.In order to provide the thermodynamic condition of reaction, gasification needs to supply air or oxygen, makes
Raw material generating unit divided combustion.The difference of gasification and common combustion process is the oxygen supplying abundance in combustion process, makes
Raw material fully burns it is therefore an objective to direct access heat, and the product after burning is that carbon dioxide and vapor etc. can not burn again
Flue gas；Gasification only supplies the part oxygen needed for thermal chemical reaction, and retains energy as far as possible and obtain after the reaction
Fuel gas in, the product after gasification is containing CO, H2、CH4Fuel gas with low molecular hydrocarbon.Gasification of biomass includes doing
Dry, pyrolysis, oxidation and reduction reaction.
Organic principle in rubbish falls within biomass, and its composition is Hydrocarbon, therefore the organic principle in rubbish
Also can be processed with biomass gasification method.Dispose rubbish with gasification process, be a kind of with respect to rubbish is simple burn for more
The method of environmental protection.
The convenient lime-ash of discharging of biomass gasifying furnace is a difficult problem, is also the bottleneck of biomass gasification technology development, especially
It is to discharge lime-ash online, be that gasification furnace continuously uses and improves one of key technology of gasification quality.
Utility model content
The purpose of this utility model is to provide a kind of biomass gasification device, by the structure design of slag-scraper, can be by
The lime-ash that in gasification case, refuse gasification produces is discharged in time, realizes online ash discharge, thus realizing the continuous of biomass gasification device
Use, improve the gasification efficiency of rubbish.
For achieving the above object, this utility model provides a kind of biomass gasification device, including：
Material feeding box, including screw(-type) feeder and feed bin；Described screw(-type) feeder is arranged at the upper of described feed bin
Side, the bottom of described screw(-type) feeder is provided with discharging opening；Rubbish to be gasified enters described feed bin by described screw(-type) feeder
Interior；
Gasification case, is arranged at the lower section of described material feeding box, the top of described gasification case is connected with the bottom of described material feeding box
Logical, described rubbish to be gasified enters described gasification case by described material feeding box；Described gasification case includes gasify casing, material guiding hopper and combustion
Conductance goes out inner bag；Described material guiding hopper be arranged at described gasification casing in bottom sidewall on, to described gasification casing in treat gas
Change rubbish to be guided；The top that inner bag is arranged in described gasification casing is derived in described combustion gas, and inner bag is derived in described combustion gas
Form interlayer between the inner side of outside and described gasification casing；The upper portion side wall of described gasification casing is equipped with Gas Pipe and connects
Mouthful, described combustion gas tube connection ports are connected with described interlayer, and the gas that described refuse gasification to be gasified produces enters described interlayer,
Discharge described gasification case by described combustion gas tube connection ports；
Distribution ash storage box, is arranged at the lower section of described gasification case, the top of described distribution ash storage box and described gasification case
Bottom is connected；Described distribution ash storage box includes multiple distribution boxes, slag-scraper, protective cover and ash storage box body；The plurality of join
Gas box is positioned over same level, forms at least one ash-pit that falls between the plurality of distribution box；Described ash storage box body is located at institute
State below ash-pit；
Wherein, the top of each described distribution box has a pneumatic panel, and described pneumatic panel has multiple air distribution holes；Often
It is equipped with air inlet pipe, combustion-supporting gas enters in described distribution box through described air inlet pipe, then is arranged by described air distribution hole on individual distribution box
Go out to described gasification casing；After the described rubbish entrance described gasification case after gasification, it is carried on described pneumatic panel and is ignited,
Form lime-ash after gasification, be carried on described pneumatic panel；
Described slag-scraper is arranged on described pneumatic panel, including rotary shaft, dreg scraper knife and the grey rings of two limits, described scrapes
Slag knife is connected in described rotary shaft, rotarily drives described dreg scraper knife by described rotary shaft and rotates in described distribution plate surface, pushes away
Move described pneumatic panel on lime-ash pass through described fall ash-pit fall in ash storage box body；The grey ring of the first limit in described two limit ash rings
It is socketed on outside described rotary shaft, the grey ring set of the second limit is connected to the top of described dreg scraper knife；
Described protective cover falls the top of ash-pit described in being arranged at；Vertical between described protective cover bottom and described pneumatic panel
Distance is more than the width of described dreg scraper knife.
Preferably, described material feeding box also includes equal hopper, and described equal hopper is arranged at the lower section of described discharging opening, described treats
Gasification rubbish is entered in described feed bin through described equal hopper by described screw(-type) feeder；
Described equal hopper is taper structure.
Preferably, described screw(-type) feeder is variable-pitch auger batcher, and the pitch of described screw(-type) feeder is from feed end
It is gradually reduced to discharge end.
Preferably, described gasification casing and combustion gas are derived inner bag and are column type；Described gasification casing diameter with described
The difference that the diameter of inner bag is derived in combustion gas is 60mm～200mm；
The cross-sectional area of described combustion gas tube connection ports is 0.01～0.1 with the ratio of the cross-sectional area of described gasification casing；
Described material guiding hopper is reverse frustoconic.
Preferably, described distribution ash storage box also includes distribution motherboard, and described distribution motherboard is located on described pneumatic panel, institute
State under protective cover, described distribution motherboard is provided with hollow slots, described pneumatic panel and the ash-pit that falls expose from described hollow slots；Institute
Stating dreg scraper knife position is higher than described distribution motherboard, and the vertical dimension between described protective cover bottom and described distribution motherboard is more than institute
State the width of dreg scraper knife.
Preferably, described rotary shaft is provided with rod for stiring materials, described rod for stiring materials is vertically arranged with described rotary shaft, with described
The rotation of rotary shaft rotates together.
It is further preferred that the quantity of described rod for stiring materials is 2～8, the length of every described rod for stiring materials be 100mm～
320mm, the vertical dimension between described rod for stiring materials and described pneumatic panel is 240mm～700mm.
Preferably, the quantity of described dreg scraper knife be not more than described in fall the quantity of ash-pit.
Preferably, the top of described pneumatic panel is provided with fire hole, and described fire hole with the distance of described distribution plate top surface is
10mm～80mm, the top of each described pneumatic panel is provided with 1～5 described fire hole.
The biomass gasification device that this utility model embodiment provides, by the structure design of slag-scraper, can will gasify
The lime-ash that in case, refuse gasification produces is discharged in time, realizes online ash discharge, thus realizing the continuous use of biomass gasification device,
Additionally, by designing material guiding hopper in gasification case, it is to avoid garbage adhesion is on tank wall, thus improve the gasification efficiency of rubbish.
Brief description
The cross-sectional view of the biomass gasification device that Fig. 1 provides for this utility model embodiment；
The overlooking the structure diagram of the distribution ash storage box that Fig. 2 provides for this utility model embodiment；
The structural representation of the slag-scraper that Fig. 3 provides for this utility model embodiment；
The flow chart of the biomass gasification device that Fig. 4 provides for this utility model embodiment.
Specific embodiment
Below by drawings and Examples, the technical solution of the utility model is described in further detail.
The biomass gasification device that this utility model embodiment provides, during rubbish biomass gasification, by scraping
The structure design of slag device, the lime-ash that can produce refuse gasification in gasification case is discharged in time, realizes online ash discharge, thus realizing
The continuous use of gasification furnace, improves the gasification efficiency of rubbish.
Fig. 1 is the cross-sectional view of biomass gasification device.As shown in figure 1, biomass gasification device is in column type,
It is divided into three parts to be formed by connecting, from top to bottom respectively material feeding box 1, gasification case 2 and distribution ash storage box 3.
Material feeding box 1, including screw(-type) feeder 11, feed bin 12 and equal hopper 13；Gas will be treated by screw(-type) feeder 11
Change rubbish to send in feed bin 12, by equal hopper 13, rubbish to be gasified is uniformly distributed.
Specifically, screw(-type) feeder 11 is arranged on the internal top position of feed bin 12, the top of screw(-type) feeder 11
It is provided with charging aperture 111, bottom is provided with discharging opening 112, rubbish to be gasified is loaded by the charging aperture 111 of screw(-type) feeder 11, through spiral shell
After rotation batcher 11 extruding, entered in feed bin 12 by discharging opening 112.
In order to ensure the sealing of material feeding box 1, screw(-type) feeder 11 is preferably variable-pitch auger batcher 11, screw feeder
The feed end pitch of machine 11 and the ratio of discharge end pitch are 3～1, the discharge end pitch being designed by decreasing worm-pitch be less than or
Equal to feed end pitch, make rubbish to be gasified more more squeezed tight inside, prevent the gas that refuse gasification produces from screw feeder
Machine 11 spills.
Equal hopper 13 is installed in discharging opening 112 lower section of screw(-type) feeder 11, and equal hopper 13 is taper structure, is highly
200mm～700mm, base diameter 200mm～800mm, enable the rubbish to be gasified after extruding to be dispersedly distributed in gasification case 2
Interior, do not assemble, consequently facilitating the gasification of rubbish.
Gasification case 2, is arranged on the lower section of material feeding box 1, the top of gasification case 2 is connected with the bottom of material feeding box 1, waits to gasify
Rubbish passes through equal hopper 13 and enters in gasification case 2.
Material feeding box 1 and gasification case 2 can be connected by flange or tank it is also possible to directly weld material feeding box 1 and gasification case 2
Become an entirety.In this example, material feeding box 1 and gasification case 2 adopt tank to connect, specifically, the bottom margin of feed bin 12
There is sealed cistern 121, the top of gasification case 2 has connection water channel 211, sealed cistern 121 and connection water channel 211 phase
Connect and be tightly connected the sealing effectiveness it is ensured that good so that being formed between material feeding box 1 and gasification case 2, this structure also allows for simultaneously
Dismounting, consequently facilitating the transport of device and maintenance.
Gasification case 2 includes gasify casing 21, combustion gas tube connection ports 23, combustion gas derivation inner bag 22 and material guiding hopper 24；Gasification case
Body 21 can be made up of 2mm～12mm general steel plate using two layers of thickness, it would however also be possible to employ the corrosion resistant plate of 2mm～5mm is made,
In order to reduce the thermal loss in gasification, and prevent gasification case 2 outside wall temperature too high and scald operator, two-layer steel
It is provided with the thick heat insulating refractory material 212 of 20mm～150mm between plate；Wherein, refractory material is preferably high temperature resistant asbestos material.
The top that inner bag 22 is arranged in gasification casing 21 is derived in combustion gas, derives outside and the gasification case of inner bag 22 in combustion gas
Form interlayer 26 between the inner side of body 21, the side wall of gasification casing 21 is equipped with combustion gas tube connection ports 23, combustion gas tube connection ports
23 one end is connected with interlayer 26, and the other end can be connected with Gas Pipe (not shown), on the gas that refuse gasification produces
Rise and enter in the interlayer 26 that combustion gas is derived outside inner bag 22 and gasification casing 21 inner side is formed, entered by combustion gas tube connection ports 23
Gas Pipe, the gas that refuse gasification is produced discharges gasification case 2.
Specifically, gasification casing 21 and combustion gas are derived inner bag 22 and are column type, and the diameter of gasification casing 21 is led with combustion gas
The difference going out the diameter of inner bag 22 is 60mm～200mm；Additionally, the horizontal stroke of the cross-sectional area of combustion gas tube connection ports 23 and gasification casing 21
Sectional area is related, and the ratio of both cross-sectional areas is 0.01～0.1, thus ensureing the rubbish gas that gasification produces in gasification casing 21
Body can smoothly pass through interlayer 26 and combustion gas tube connection ports 23 discharge gasification case 2.
Further, material guiding hopper 24 is installed on the bottom sidewall of gasification casing 21, treating in gasification casing 21 is gasified
Rubbish is guided, it is to avoid garbage adhesion to be gasified affects gasification result on the side wall of gasification casing 21.
In order to ensure can to combine closely between material guiding hopper 24 and gasification casing 21, material guiding hopper 24 is preferably reverse frustoconic,
The difference of the base diameter of diameter and material guiding hopper 24 of gasification casing 21 is 80mm～360mm, material guiding hopper 24 height be 100mm～
350mm.
Distribution ash storage box 3, is arranged at the bottom of gasification case 2, and the top of distribution ash storage box 3 is connected with the bottom of gasification case 2
Logical, air enters gasification case 2 by distribution ash storage box 3, and the gasification for rubbish provides sufficient oxygen.
The overlooking the structure diagram of the distribution ash storage box that Fig. 2 provides for this utility model embodiment, with reference to Fig. 1-Fig. 2
Distribution ash storage box 3 is described in detail.Distribution ash storage box 3 includes multiple distribution boxes 32, slag-scraper 33, ash storage box body 34 and protection
Cover 38.
Multiple distribution boxes 32 are in same level, and are arranged on the top of ash storage box body 34.In order to ensure distribution box 32
Life-time service in gasification installation, the side wall of distribution box 32 and bottom all adopt the thick steel plate of 2mm～4mm to make, and each is joined
The top of gas box 32 all has pneumatic panel 321, and pneumatic panel 321 is fastened on distribution box 32, and each pneumatic panel 321 is uniformly provided with
Multiple air distribution holes 3211, the aperture of air distribution hole 3211 is preferably 3mm～8mm, and the quantity of air distribution hole 3211 is preferably 9～200
Individual, those skilled in the art can be carried out to the aperture of air distribution hole 3211 and quantity according to the size of the cross section of gasification casing 21
Design.Additionally, in order to ensure that in distribution box 32, air can smoothly be discharged from air distribution hole 3211 and can be carried rubbish to be gasified, and join
The thickness of gas plate 321 is preferably 3mm～12mm.
Further, in order to the gas that incineration firing to be gasified produces can smoothly enter interlayer 26, combustion gas is derived interior
The top surface distance preferably 300mm～1100mm of gallbladder 22 bottom surface and distribution box 32.
Enter after gasification casing 21 after gasification rubbish, be placed under the guiding of material guiding hopper 24 on pneumatic panel 321, by gas
Change the fire rod of fire hole 25 insertion on casing 21 wall, the rubbish on pneumatic panel 321 is lighted；Wherein, in order to ensure distribution
Rubbish on plate 321 can quickly be lighted, and sets the top surface of pneumatic panel 321 to the distance of fire hole 25 as 10mm～80mm,
And the top of each pneumatic panel 321 is provided with 1～5 fire hole 25.
In this example, the side wall of distribution box 32 is equipped with air inlet pipe 35, air enters in distribution box 32 through air inlet pipe 35,
Again gasification casing 21 is expelled to by air distribution hole 3211, provides sufficient oxygen for the gasification of rubbish so that waiting of being ignited is gasified
Rubbish burns in gasification case 2, forms lime-ash after refuse gasification on pneumatic panel 321.
Lime-ash in order to ensure refuse gasification generation can be discharged online, and the arrangement architecture arranging multiple distribution boxes 32 makes
Form at least one ash-pit 31 that falls, so that the lime-ash on pneumatic panel 321 can fall by the ash-pit 31 that falls between multiple distribution boxes
Bottom to ash storage box body 34.The lime-ash namely on pneumatic panel 321 for the ash-pit 31 that falls falls into a path of ash storage box body 34.?
In the overlooking the structure diagram of a kind of specific distribution ash storage box shown in Fig. 2, the arrangement architecture of distribution box 32 is two, interval
Distribution box 32 forms the ash-pit 31 that falls, and forms three ash-pits 31 that fall altogether.Additionally, in another kind of distribution box 32 arrangement architecture, also may be used
To be between the one distribution box 32 in interval, that is, two adjacent two distribution boxes 32, form the ash-pit 31 that falls.
In the overlooking the structure diagram of a kind of specific distribution ash storage box shown in Fig. 2, distribution ash storage box 3 also includes joining
Gas motherboard 39, distribution motherboard 39 is provided with multiple hollow slots, and two, interval distribution box 32 forms the ash-pit 31 that falls, pneumatic panel
321 expose from hollow slots with the ash-pit 31 that falls, and ash-pit 31 lower section that falls is connected with ash storage box body 34.
Slag-scraper 33 is arranged on the top of distribution box 32, is scraped the lime-ash on pneumatic panel 321 by slag-scraper 33
Fall in ash-pit 31, so that lime-ash falls into the bottom of ash storage box body 34 by the ash-pit 31 that falls.
With reference to Fig. 1-Fig. 3, the structure of slag-scraper 33 is described in detail.Slag-scraper 33 includes rotary shaft 331, scrapes
Slag knife 332 and two limit ash rings 333.
The grey ring 3331 of first limit is socketed on outside rotary shaft 331, prevents lime-ash during scraping slag from wrapping up rotary shaft 331,
The rotation of impact rotary shaft 331；Dreg scraper knife 332 is connected in rotary shaft 331, can be one or more, the number of dreg scraper knife 332
Amount be not more than to fall ash-pit 31 quantity that is to say, that dreg scraper knife quantity be 1～fall ash-pit quantity.When being set to multiple scrape slag
During knife 332, preferably multiple dreg scraper knifes 332 are angularly arranged around rotary shaft 331.In order to ensure that dreg scraper knife 332 can be smoothly
Scrape off the lime-ash on pneumatic panel 321, and do not scrape pneumatic panel 321, the position of dreg scraper knife 332 is arranged on above pneumatic panel 321
3mm about position on.Thus both can guarantee that the cleaning of lime-ash, scratch pneumatic panel 321 can be avoided again to affect turning of dreg scraper knife 332
Dynamic.Those skilled in the art can be according to the disposal ability of the species of rubbish and gasification installation, the quantity to dreg scraper knife 332 and material
Matter is chosen.
The grey ring 3332 of second limit is socketed on the outside of dreg scraper knife 332, the outside of dreg scraper knife 332 is protected, prevents from scraping
The damage of slag knife 332, also avoids lime-ash to be pushed to, by dreg scraper knife 332, the position formation heap that dreg scraper knife 332 cannot cover simultaneously
Long-pending, cause lime-ash cannot clear up.Further, can all be scraped in ash storage box body 34 to ensure lime-ash, the second limit ash
The circular area that ring 3332 is enclosed is not more than the base area of ash storage box body 34.Slag-scraper 33 can be rotated by Motor drive,
Can also artificial mechanical rotate.In figure shown device is using motor rotation, therefore also includes motor 36 in schematic device.Adopt
During with artificial mechanical rotation, operator can be manually rotated rotary shaft 331, rotarily drives dreg scraper knife 332 on pneumatic panel 321 surface
Rotation, promotes the lime-ash on pneumatic panel 321 to fall in ash storage box body 34 by the ash-pit 31 that falls；When rotation is driven using motor 36,
Drive rotary shaft 331 to rotarily drive dreg scraper knife 332 by motor 36 to rotate on pneumatic panel 321 surface, promote on pneumatic panel 321
Lime-ash is fallen in ash storage box body 34 by the ash-pit 31 that falls；When the lime-ash in ash storage box body 34 is more need cleaning when, can open
Ash-draining gate 341 on ash storage box body 34, clears up to lime-ash.
Further, rod for stiring materials 37 is provided with rotary shaft 331, rod for stiring materials 37 is vertically arranged with rotary shaft 331, with rotation
The rotation of rotating shaft 331 rotates together, plays the effect stirring rubbish, prevents rubbish from being formed in " room " in gasification, improves
The gasification efficiency of rubbish.In order to ensure that rod for stiring materials 37 can stir the rubbish on pneumatic panel 321, and dreg scraper knife can not also be affected
332 pairs of lime-ash are purged, and the vertical dimension between rod for stiring materials 37 and pneumatic panel 321 is 240mm～700mm, rod for stiring materials 37
Quantity is preferably 2～8, and the length of rod for stiring materials 37 is preferably 100mm～320mm.
Additionally, being provided with protective cover 38 above the ash-pit 31 that falls, the quantity one of the quantity of protective cover 38 and the ash-pit 31 that falls
Cause.One end of protective cover 38 is fixed on material guiding hopper 24, and the rubbish that effectively prevents from not gasifying falls directly into storage through the ash-pit 31 that falls
In grey casing 34.Additionally, in order to not affect the cleaning to lime-ash for the dreg scraper knife 332, the distance between protective cover 38 and pneumatic panel 321
The width of dreg scraper knife 332 should be not less than, and ensure the distance between protective cover 38 and pneumatic panel 321 in 10mm～120mm scope
Interior.
The biomass gasification device that this utility model embodiment provides, by the structure design of slag-scraper, can will gasify
The lime-ash that in case, refuse gasification produces is discharged in time, realizes online ash discharge, thus realizing the continuous use of gasification installation, additionally,
By designing material guiding hopper in gasification case, it is to avoid garbage adhesion is on tank wall, thus improve the gasification efficiency of rubbish.
In order to be better understood from the work process of the biomass gasification device of this utility model offer, with reference to Fig. 4 institute
Show, the operating process to biomass gasification device is described in detail, described operational approach comprises the steps：
Step 1, rubbish to be gasified is inserted material feeding box by screw(-type) feeder.
Certainly, before screw(-type) feeder put into by rubbish to be gasified, methods described also includes having overhauled gasification installation, emphasis
It is material feeding box and the sealing of gasification case, whether pneumatic panel puts in place, and whether Gas Pipe is unimpeded.
Step 2, inserts electronic ignition rod by fire hole and is lighted a fire.
Specifically, fire rod is inserted corresponding fire hole by operator, lights the rubbish to be gasified on corresponding pneumatic panel.
Step 3, is blown into air by the air inlet pipe on distribution box, and the rubbish to be gasified above distribution box after Preset Time is opened
Beginning catches fire, and exits electronic ignition rod, and fire hole is sealed.
Specifically, air inlet pipe is connected with air distribution blower fan, is blown into air by air distribution blower fan, and the gasification for rubbish provides
Sufficient oxygen.
Step 4, the intake of the air inlet pipe on adjustment distribution box, rubbish to be gasified enters fired state；
Specifically, after exiting fire rod 1 minute～5 minutes, intake is adjusted.
Step 5, during gasification process, starts slag-scraper at preset timed intervals and carries out scraping slag, and start screw feeder
Machine adds rubbish to be gasified, and drives rod for stiring materials to be compacted rubbish to be gasified simultaneously.
Specifically, after gasification installation is using a period of time, such as 0.5 hour～2 hours, rubbish to be gasified was in pneumatic panel
Upper formation lime-ash, starts screw(-type) feeder and adds rubbish to be gasified, and rod for stiring materials rotation simultaneously is it is ensured that the rubbish in gasification case is pressed
Real, effectively prevent the rubbish gasifying in case from forming " room ".
Step 6, treats that all refuse gasification to be gasified finishes, and closes the air supply of air inlet pipe.
Upper once using gasification installation when, if the fire of bottom does not extinguish in gasification case, repeat step 3～step 6
Operation can start new refuse gasification process cycle；If the fire in gasification case extinguishes, repeat step 2～step 6
Operation.
Above-described specific embodiment, is entered to the purpose of this utility model, technical scheme and beneficial effect
One step describes in detail, be should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Fixed protection domain of the present utility model, all any modifications within spirit of the present utility model and principle, made, equivalent replaces
Change, improve, should be included within protection domain of the present utility model.
Claims (9)
1. a kind of biomass gasification device is it is characterised in that described device includes：
Material feeding box, including screw(-type) feeder and feed bin；Described screw(-type) feeder is arranged at the top of described feed bin, institute
The bottom stating screw(-type) feeder is provided with discharging opening；Rubbish to be gasified is entered in described feed bin by described screw(-type) feeder；
Gasification case, is arranged at the lower section of described material feeding box, the top of described gasification case is connected with the bottom of described material feeding box, institute
State rubbish to be gasified and described gasification case is entered by described material feeding box；Described gasification case includes gasification casing, material guiding hopper and combustion gas leads
Go out inner bag；Described material guiding hopper is arranged in the bottom sidewall in described gasification casing, to the rubbish to be gasified in described gasification casing
Rubbish is guided；The top that inner bag is arranged in described gasification casing is derived in described combustion gas, and the outside of inner bag is derived in described combustion gas
Form interlayer and the inner side of described gasification casing between；The upper portion side wall of described gasification casing is equipped with combustion gas tube connection ports, institute
State combustion gas tube connection ports to be connected with described interlayer, the gas that described refuse gasification to be gasified produces enters described interlayer, by institute
State combustion gas tube connection ports and discharge described gasification case；
Distribution ash storage box, is arranged at the lower section of described gasification case, the bottom of the top of described distribution ash storage box and described gasification case
It is connected；Described distribution ash storage box includes multiple distribution boxes, slag-scraper, protective cover and ash storage box body；The plurality of distribution box
It is positioned over same level, between the plurality of distribution box, form at least one ash-pit that falls；Described ash storage box body be located at described fall
Below ash-pit；
Wherein, the top of each described distribution box has a pneumatic panel, and described pneumatic panel has multiple air distribution holes；Each is joined
Air inlet pipe is equipped with gas box, combustion-supporting gas enters in described distribution box through described air inlet pipe, then is expelled to by described air distribution hole
Described gasification casing；After the described rubbish entrance described gasification case after gasification, it is carried on described pneumatic panel and is ignited, in gasification
Form lime-ash afterwards, be carried on described pneumatic panel；
Described slag-scraper is arranged on described pneumatic panel, including rotary shaft, dreg scraper knife and two limit ash rings, described dreg scraper knife
It is connected in described rotary shaft, described dreg scraper knife is rotarily driven by described rotary shaft and rotates in described distribution plate surface, promote institute
State lime-ash on pneumatic panel pass through described fall ash-pit fall in ash storage box body；The grey ring set of the first limit in described two limit ash rings connects
Outside described rotary shaft, the grey ring set of the second limit is connected to the top of described dreg scraper knife；
Described protective cover falls the top of ash-pit described in being arranged at；Vertical dimension between described protective cover bottom and described pneumatic panel
Width more than described dreg scraper knife.
2. biomass gasification device according to claim 1 is it is characterised in that described material feeding box also includes equal hopper, institute
State the lower section that equal hopper is arranged at described discharging opening, described rubbish to be gasified is entered through described equal hopper by described screw(-type) feeder
In described feed bin；
Described equal hopper is taper structure.
3. biomass gasification device according to claim 1 is it is characterised in that described screw(-type) feeder is variable-pitch auger
Batcher, the pitch of described screw(-type) feeder is gradually reduced from feed end to discharge end.
4. biomass gasification device according to claim 1 is it is characterised in that inner bag is derived in described gasification casing and combustion gas
It is column type；The difference of the diameter that the diameter of described gasification casing derives inner bag with described combustion gas is 60mm～200mm；
The cross-sectional area of described combustion gas tube connection ports is 0.01～0.1 with the ratio of the cross-sectional area of described gasification casing；
Described material guiding hopper is reverse frustoconic.
5. biomass gasification device according to claim 1 is it is characterised in that described distribution ash storage box also includes distribution mother
Plate, described distribution motherboard is located on described pneumatic panel, under described protective cover, and described distribution motherboard is provided with hollow slots, institute
State pneumatic panel and the ash-pit that falls exposes from described hollow slots；Described dreg scraper knife position is higher than described distribution motherboard, described protective cover
Vertical dimension between bottom and described distribution motherboard is more than the width of described dreg scraper knife.
6. biomass gasification device according to claim 1 is it is characterised in that be provided with rod for stiring materials in described rotary shaft,
Described rod for stiring materials is vertically arranged with described rotary shaft, and the rotation with described rotary shaft rotates.
7. biomass gasification device according to claim 6 is it is characterised in that the quantity of described rod for stiring materials is 2～8
Root, the length of every described rod for stiring materials is 100mm～320mm, and the vertical dimension between described rod for stiring materials and described pneumatic panel is
240mm～700mm.
8. biomass gasification device according to claim 1 is it is characterised in that the quantity of described dreg scraper knife is no more than described
Fall the quantity of ash-pit.
9. biomass gasification device according to claim 1 is it is characterised in that the top of described pneumatic panel is provided with igniting
Hole, described fire hole is 10mm～80mm with the distance of described distribution plate top surface, and the top of each described pneumatic panel is provided with 1～5
Individual described fire hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620978326.6U CN205974423U (en) | 2016-08-29 | 2016-08-29 | Biomass gasification facility |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106350118A (en) * | 2016-08-29 | 2017-01-25 | 湖南普丝环保能源有限公司 | Biomass gasification equipment and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106350118A (en) * | 2016-08-29 | 2017-01-25 | 湖南普丝环保能源有限公司 | Biomass gasification equipment and method |
| CN106350118B (en) * | 2016-08-29 | 2022-03-18 | 湖南普丝环保能源有限公司 | Biomass gasification device and method |
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