CN201762282U - Solid biomass internal combustion dry distillation gasification furnace - Google Patents
Solid biomass internal combustion dry distillation gasification furnace Download PDFInfo
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- CN201762282U CN201762282U CN2010205350954U CN201020535095U CN201762282U CN 201762282 U CN201762282 U CN 201762282U CN 2010205350954 U CN2010205350954 U CN 2010205350954U CN 201020535095 U CN201020535095 U CN 201020535095U CN 201762282 U CN201762282 U CN 201762282U
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- internal combustion
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- solid biomass
- destructive distillation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Abstract
The utility model discloses a solid biomass internal combustion dry distillation gasification furnace, including a dry distillation cylinder, a helical sealed feeder, a fuel gas input pipe, a jet flow burner and a hollow rotating shaft head; a fuel gas outlet pipe is disposed between the helical sealed feeder and the hollow rotating shaft head; a horizontal tube type heat exchanger is arranged in the dry distillation cylinder and has a plurality of heat exchange pipes distributed in the dry distillation cylinder; the plurality of heat exchange pipes are fixed by pipe plates; the pipe plate is provided with jacks allowing the heat exchange pipes to pass; and an overflow port is arranged on the pipe plate near to the jet flow burner. The solid biomass internal combustion dry distillation gasification furnace directly contacts with materials through high temperature flame ejected and burned by fuel gas so as to quickly heat materials and make water and volatile matters rapidly distill out; the hot smoke and the distillate after mixing flow through the heat exchange tube via the overflow port; a part of heat is indirectly transferred to the gasification materials via the pipe wall; the utility model improves drying and dry distillation speed and heat energy utilization ratio of the gasification materials in a manner of combination of internal combustion direct heating dry distillation and indirect heating dry distillation.
Description
Technical field
The utility model relates to destructive gasifying stove technical field, more particularly, relates to a kind of solid biomass internal combustion destructive gasifying stove with high heat exchange efficiency.
Background technology
Agricultural solid waste such as stalk, cities and towns solid life refuse, sewage work's waste sludge etc. arbitrarily abandon, burning or landfill all can threaten to environment for human survival, it is one of source of environmental pollution, but they all are again reproducible Energy resources.How turning harm into good, turn waste into wealth, is the target of countries in the world environmentalist and the tireless pursuit of working energy person.One of effective way that the solid biomass gasification is realized this goal beyond doubt.
Current, realize that the solid biomass gasification technology mainly contains pyrolytic gasification and two kinds of forms of destructive gasifying, wherein, destructive gasifying is divided into internal combustion destructive gasifying and indirect heating destructive gasifying again.Wherein, the indirect heating destructive gasifying is that raw material is put into the airtight gas retort that metal or refractory materials are made, outside fuel combustion heat supply, this form of the many employings of modern destructive distillation device use.The internal combustion destructive gasifying then is in the pyrogenous while, feeds air in certain amount in gas retort, makes the heat release of part destructive distillation material combusting to reach pyrogenous purpose.
The indirect heating destructive gasifying is owing to be indirect heating, so its heat utilization efficiency is lower, though and the internal combustion destructive gasifying directly heats the destructive distillation raw material, compare with the mode of indirect heating destructive gasifying, though heat utilization efficiency is higher relatively, but its heat utilization efficiency and dry distillation rate are still lower, and quality product be difficult to control, the burning gained a large amount of heats still follow the flue gas flow direction atmosphere.The heat utilization efficiency of the dual mode of destructive gasifying is generally lower at present, and scale is less, can not satisfy the requirement of energy-conservation at present and productive life.
The utility model content
In view of this, the utility model provides a kind of solid biomass internal combustion destructive gasifying stove, to improve problems such as destructive gasifying stove heat utilization efficiency and continuous production.
For achieving the above object, the utility model provides following technical scheme:
A kind of solid biomass internal combustion destructive gasifying stove, comprise the destructive distillation tube, helixseal feed appliance and gas inlet pipe that links to each other with the two ends of described destructive distillation tube and the jet combustion device that is positioned at the gas outlet of described gas inlet pipe respectively, the two ends of described destructive distillation tube are provided with the hollow rotating shaft spindle nose that is set in described gas inlet pipe and described helixseal feed appliance outside respectively, between described helixseal feed appliance and described hollow rotating shaft spindle nose, be provided with the combustion gas escape pipe, be provided with horizontal tubular heat exchange in the described destructive distillation tube, described horizontal tubular heat exchange has a plurality of heat transfer tubes that are arranged in the destructive distillation tube, and a plurality of heat transfer tubes are fixed by tube sheet, described tube sheet is provided with the jack that passes for described heat transfer tube, and the tube sheet of close described jet combustion device is provided with overflow port.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, described tube sheet specifically comprises front end tube sheet and the rear end tube sheet that is positioned at a plurality of heat transfer tubes two ends, and is positioned at the intermediary sagging plate.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, described heat transfer tube is circle distribution, and organizes for multiple row more, and each row heat transfer tube is concentric structure, and each group alternately supports with fan-shaped sagging plate.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, the discharge port end of described helixseal feed appliance stretches in the described horizontal tubular heat exchange.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, also comprise being arranged in the described horizontal tubular heat exchange, and be positioned at the steady fire heap of the gas outlet of described gas inlet pipe.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, in described horizontal tubular heat exchange, and the discharge port place that is positioned at described helixseal feed appliance is provided with flight.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, comprise that also a plurality of spirals of the discontinuous distribution on the inwall that is arranged on described destructive distillation tube are folded arms.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, also comprise the lagging casing that is arranged on described destructive distillation tube outside, described lagging casing is provided with thermal insulation layer, described lagging casing is provided with flue-dust retainer near the bottom of described jet combustion device one end, and the spiral slag tapping equipment that links to each other with this flue-dust retainer.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, described lagging casing is provided with the roll wheel assembly that is used to support described destructive distillation tube, and described roll wheel assembly comprises rotating rolling wheel support and the rotating roller that is arranged on the described rolling wheel support that is arranged on the described lagging casing;
It axially is provided with the inwall upper edge of described lagging casing a plurality of cylinders that are used to shift out described destructive distillation tube and shifts out guide rail.
Preferably, in above-mentioned solid biomass internal combustion destructive gasifying stove, also comprise: be set in the intake ducting between described gas inlet pipe and the described hollow rotating shaft spindle nose.
From above-mentioned technical scheme as can be seen, the utility model directly contacts with material by fuel gas injection incendiary thermal-flame, and the rapid heating material distillates moisture and volatile matter rapidly; Hot flue gas mix with overhead product after overflow port is flowed through heat exchanging pipe again with the part heat through tube wall indirectly to the gasification materiel transmission, combine with the indirect heating destructive distillation by the destructive distillation of internal combustion direct heating, improve gasification materiel drying and carbonization speed and heat energy utilization rate, realized the purpose of solid biomass continuous carbonization gasification.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the solid biomass internal combustion destructive gasifying stove that Fig. 1 provides for the utility model embodiment;
The semisectional view of the solid biomass internal combustion destructive gasifying stove that Fig. 2 provides for the utility model embodiment;
The partial enlarged drawing of the solid biomass internal combustion destructive gasifying stove that Fig. 3 provides for the utility model embodiment.
Embodiment
The utility model discloses a kind of solid biomass internal combustion destructive gasifying stove,, reach the purpose of continuous carbonization gasification operation to improve destructive gasifying stove heat utilization efficiency.
Main thought of the present utility model integrates the internal combustion destructive distillation and indirect heating distillation process technology is carried out the destructive distillation processing to material, and realize the serialization of production process.This device both can independently be used for agricultural solid waste destructive gasifyings such as stalk, also can with the supporting use of solid biomass gasification cracking stove, be used for the cities and towns solid life refuse, sewage work's dewatered sludge, and burn gasification with mixture such as stalk, realize innoxious, minimizing and recycling treatment and utilization.
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
See also Fig. 1-Fig. 3, the structural representation of the solid biomass internal combustion destructive gasifying stove that Fig. 1 provides for the utility model embodiment; The semisectional view of the solid biomass internal combustion destructive gasifying stove that Fig. 2 provides for the utility model embodiment; The partial enlarged drawing of the solid biomass internal combustion destructive gasifying stove that Fig. 3 provides for the utility model embodiment.
Wherein, 1 is the helixseal feed appliance, and 2 is gas outlet, 3 is sprocket wheel, and 4 is hollow rotating shaft spindle nose, and 5 is bearing, 6 is lagging casing, and 7 is horizontal tubular heat exchange, and 8 is thermal insulation layer, 9 is tube sheet, and 10 is the static pressure railway carriage or compartment, and 11 is the jet combustion device, 12 is ignition, and 13 is gas inlet pipe, and 14 is hot air inlet, 15 is steady fire heap, and 16 is overflow port, and 17 is the spiral slag tapping equipment, 18 is flue-dust retainer, 19 is flight, and 20 are the shoulder seal assembly, and 21 is roll wheel assembly, 22 shift out guide rail for cylinder, 23 is sagging plate, and 24 fold arms for spiral, and 25 are the destructive distillation tube.
The solid biomass internal combustion destructive gasifying stove that the utility model provides comprises destructive distillation tube 25, helixseal feed appliance 1, gas inlet pipe 13, jet combustion device 11, hollow rotating shaft spindle nose 4, combustion gas escape pipe and horizontal tubular heat exchange 7.Wherein, destructive distillation tube 25 is nuclear core components of solid biomass internal combustion destructive gasifying stove, and its inside imports material and combustion gas respectively, by fuel gas buring material is carried out destructive gasifying and handles, and the destructive gasifying process is finished in destructive distillation tube 25.
The jet combustion device 11 that the two ends of destructive distillation tube 25 are connected with helixseal feed appliance 1 and gas inlet pipe 13 respectively and are positioned at the gas outlet of described gas inlet pipe 13, jet combustion device 11 are lighted a fire by ignition and are reached the incendiary purpose.Helixseal feed appliance 1 is used for material is imported in the destructive distillation tube 25, gas inlet pipe 13 is used for combustion gas is input in the destructive distillation tube 25, jet combustion device 11 is used for combustion gas and air are sent in the destructive distillation tube 25 by desired concentration, speed, turbulivity and hybrid mode, and makes the combustion gas can stable ignition and burning in destructive distillation tube 25.The 11 used combustion gas of jet combustion device are self-produced carbonizing gas after unit normal run.
The two ends of destructive distillation tube 25 are provided with the hollow rotating shaft spindle nose 4 that is set in described gas inlet pipe 13 and described helixseal feed appliance 1 outside respectively, are provided with the combustion gas escape pipe between described helixseal feed appliance 1 and described hollow rotating shaft spindle nose 4.The hollow rotating shaft spindle nose 4 at destructive distillation tube 25 two ends is used for destructive distillation tube 25 is supported, and supports by bearing 5 at hollow rotating shaft spindle nose 4, also is provided with sprocket wheel 3 on hollow rotating shaft spindle nose 4.Drive hollow rotating shaft spindle nose 4 and 25 rotations of destructive distillation tube by transmission chain, make destructive distillation tube 25 interior materials fully contact and finish the exchange of heat temperature with high-temperature flue gas, to realize the material thermally equivalent in the destructive distillation tube 25, the combustion gas that forms is derived by the combustion gas escape pipe and is stored, and also a part of combustion gas can be used for material is heated.
Of the present utility model focusing on, be provided with horizontal tubular heat exchange 7 in the destructive distillation tube 25, described horizontal tubular heat exchange 7 has a plurality of heat transfer tubes that are arranged in the destructive distillation tube 25, and a plurality of heat transfer tubes are fixing by tube sheet 9, described tube sheet 9 is provided with the jack that passes for described heat transfer tube, and the tube sheet 9 of close described jet combustion device 11 is provided with overflow port 16.Tube sheet 9 at horizontal tubular heat exchange 7 two ends should leave the gap respectively and between the sidewall at destructive distillation tube 25 two ends.The gap that is positioned at jet combustion device 11 these ends is used for hot flue gas and overhead product are flowed out by overflow port 16, enters gap location, enters heat transfer tube by gap location, with the part heat through tube wall indirectly to the gasification materiel transmission.The gap of horizontal tubular heat exchange 7 the other ends is used for and will flows into the combustion gas escape pipe by this gap by the effusive destructive distillation gas of heat transfer tube, is flowed out outside the destructive gasifying stove by the combustion gas escape pipe.Heat exchanging pipe is many groups to be arranged, every group is alternately supported with some sagging plates, moves axially in order to gasification materiel.
Destructive distillation gas and biological burnt (overhead product) are flowed out by overflow port 16, and (angle of repose is bulk cargo can keep the natural stability state when stacking a maximum angle to the angle of repose that the Circularhole diameter of overflow port 16 and cinder are piled up, promptly monolateral angle to ground.After this angle formed, up heap added this bulk cargo again, will slide down naturally) be the main basis of decision destructive distillation tube 25 material packing fractions.Preferably, jet combustion device 11 is placed on the axis of destructive distillation tube 25, fuel gas injection incendiary thermal-flame directly contacts with gasification materiel, and the rapid heating material distillates moisture and volatile matter rapidly; Hot flue gas mix with overhead product after overflow port 16 is flowed through heat transfer tube again with the part heat through tube wall indirectly to the gasification materiel transmission.This design improves gasification materiel drying and carbonization speed and heat energy utilization rate greatly.
The tube sheet 9 that the utility model provides specifically is positioned at the front end tube sheet and the rear end tube sheet at a plurality of heat transfer tubes two ends, and the sagging plate of alternately arranging between front end tube sheet and rear end tube sheet 23.Between the center of horizontal tubular heat exchange 7 and every group of tubulation, have material channel, the material channel place heat transfer tube of not arranging, with guarantee material from then on material channel to enter destructive distillation tube 25 inner and realize moving axially.One end of material channel links to each other with helixseal feed appliance 1, and it is identical with described material channel to offer overflow port 16 on the tube sheet 9 that the other end connects, can be from overflow port 16 outflows to guarantee high-temperature flue gas and biological Jiao.Formed static pressure railway carriage or compartment 10 near the tube sheet of jet combustion device and the sidewall of destructive distillation tube 25.
The utility model is equipped with shoulder seal assembly 20 in the position that needs shoulder seal and is sealed.
The heat transfer tube that the utility model provides is circle distribution, and organizes for multiple row more, and each row heat transfer tube is every group of concentric structure and is fan-shaped layout.As can be known, it is many more that heat transfer tube is provided with, and the heat utilization efficiency of high-temperature flue gas is also high; But, if heat transfer tube be provided with too much, can reduce the packing space of material, be unfavorable for the filling of material and move axially.Therefore, be the multiple row that concentric(al) circles distributes with heat exchange tube design, help the uniform distribution of heat transfer tube, improve heat exchange efficiency.
The discharge port end of helixseal feed appliance 1 stretches in the described horizontal tubular heat exchange 7, and promptly helixseal feed appliance 1 passes near its tube sheet 9 and stretches in the material channel in the horizontal tubular heat exchange 7.
The solid biomass internal combustion destructive gasifying stove that the utility model provides also comprises and being arranged in the described horizontal tubular heat exchange 7, and is positioned at the steady fire heap 15 of the gas outlet of described gas inlet pipe 13.After jet combustion device 11 is lighted, the steady fire heap of being made by refractory materials 15 is heated to more than 1000 ℃, when jet combustion device 11 hinder for some reason take off fire after, steady fire heap 15 can keep high temperature in the long time, when combustion gas recovers, can catch fire moment (the biological flue gas point of ignition is about 300 ℃), keep flameholding.Being provided with of steady fire heap 15 is beneficial to jet beam volume seat overhead product and reflux heat flue gas, and the tar particle part that can make overhead product is by Pintsch process.Be beneficial to combustion gas of short duration take off to light automatically behind the fire catch fire, can avoid taking place security incident.
In order to make gasification materiel realize axially moving horizontally, avoid mandrel in the destructive distillation tube 25 to tilt and the bearing load inequality that causes, the utility model is in horizontal tubular heat exchange 7, and the discharge port place that is positioned at described helixseal feed appliance 1 is provided with flight 19.Rotation by destructive distillation tube 25, there is relative movement between flight 19 and the destructive distillation tube 25, make material can realize axially moving horizontally by this relative spiral motion, avoid material to pile up mandrel inclination in the destructive distillation tube 25 that causes at the feeding mouth place, thereby avoided the drawback of bearing load inequality.
Further, the utility model comprises that also a plurality of spirals that the discontinuous on the inwall that is arranged on described destructive distillation tube 25 distributes fold arms 24.Along with the rotation of destructive distillation tube 25, material is folded arms by the spiral on destructive distillation tube 25 inwalls and 24 is constantly taken up and raise down, makes material and high-temperature flue gas fully contact and finish the exchange of heat temperature that moisture and volatile matter are distillated.Fold arms and 24 help loose emulsion zone gasification materiel tap density by spiral is set, help the water vapour volatile matter and separate out, also improved the material density of freeboard of fluidized bed, improve the wet rate of exchange of heat.
The utility model also comprises the lagging casing 6 that is arranged on described destructive distillation tube 25 outsides, described lagging casing 6 is provided with thermal insulation layer 8, described lagging casing 6 is provided with flue-dust retainer 18 near the bottom of described jet combustion device 11 1 ends, and the spiral slag tapping equipment 17 that links to each other with this flue-dust retainer 18.When the accumulative cinder surpassed cinder accumulation angle of repose in destructive distillation tube 25, because of action of gravity, cinder flowed out from overflow port 16, and falls into flue-dust retainer 18, is shifted out outside the stove by spiral slag tapping equipment 17.Lagging casing 6 is fixed on the frame, and is not rotatable, by 8 pairs of destructive distillation tubes of thermal insulation layer, 25 insulations that its outside is set.
Further, the utility model also comprises the intake ducting that is set between described gas inlet pipe 13 and the described hollow rotating shaft spindle nose 4.On this intake ducting, be provided with hot air inlet 14, during concrete the application, will be by the carbonizing gas process preheater of this destructive distillation vapourizing furnace generation, with the air heating in the preheater, air after will heating then enters jet combustion device 11 and combustion gas mixing burning by hot air inlet 14, because usefulness is warm air, can improve heat exchange efficiency.
Simply introduce the working process of the solid biomass internal combustion destructive gasifying stove that the utility model provides below:
At first material is pushed in the destructive distillation tube 25 of horizontal revolving by helixseal feed appliance 1, and proceed axial passing by flight 19; Reach approximately at 50% o'clock to destructive distillation tube 25 interior filling ratios and light jet combustion device 11, the convey materials in destructive distillation tube 25 of start-up system induced draft fan, and continuation simultaneously.Start cylinder wheelwork (sprocket wheel 3), the spiral on destructive distillation tube 25 inwalls is folded arms and 24 material constantly taken up to raise down fully to contact with high-temperature flue gas is finished that heat is warm to be exchanged, and moisture and volatile matter are distillated.The part overhead product mixes with hot flue gas from overflow port 16 outflows, and the horizontal tubular heat exchange 7 of flowing through under system's suction function, continues heat to the gasification materiel transmission by tube wall.When the accumulative cinder surpassed cinder accumulation angle of repose in destructive distillation tube 25, because of action of gravity, cinder flowed out from overflow port 16, and falls into flue-dust retainer 18, is shifted out outside the stove by spiral slag tapping equipment 17.Destructive distillation gas is discharged from combustion gas outlet 2.
Described lagging casing 6 is provided with the roll wheel assembly that is used to support described destructive distillation tube 25, described roll wheel assembly 21 comprises rotatable rolling wheel support and the rotating roller that is arranged on the described rolling wheel support that is arranged on the described lagging casing 6, and it axially is provided with the inwall upper edge of lagging casing 6 two cylinders that are used to shift out described destructive distillation tube 25 and shifts out guide rail 22.
The weight that the adjustable roll wheel assembly 21 that is provided with on lagging casing 6 is used to bear destructive distillation tube 25 and material, the hollow rotating shaft spindle nose 4 of avoiding destructive distillation tube 25 two ends reduce destructive distillation tube 25 and rotate energy consumption because of the flexural deformation enhance faster wear.Rolling wheel support also can carry out 90 ° of rotations, and is preferred, the diameter of columniform roller and equal in length, and destructive distillation tube 25 integral shafts move to rolling when being convenient to overhaul of the equipments.In the sliding rail established be the standby shift-out mechanism of cylinder.
In sum, the utility model is compared with prior art and is had following advantage:
1, based on the internal combustion direct heating, be auxilliary with horizontal tubular heat exchange 7 indirect heat transfers, the gaseous combustion thermal utilization is abundant, and thermo-efficiency is higher;
2, establish the steady fire heap 15 of fairing in, guarantee combustion gas stable burning;
3, establish flight in and spiral is folded arms, be convenient to that material moves axially and the wet exchange of heat;
4, establish overflow port 16 in and help improving material fill factor and heat exchange effectiveness;
5, the roll wheel assembly of establishing in 21 can reduce the radial load of hollow rotating shaft spindle nose 4, if with the rolling wheel support half-twist, realizes when being convenient to equipment rebuilding that destructive distillation tube 25 integral shafts shift out to rolling;
6, all can realize the successive drying destructive distillation to containing the non-sticky material of temperature amount below 25%.This device both can independently use, and was used to produce inflammable gas and biological coke powder, can unite use with solid biomass gasification cracking stove again, produced single middle calorific value inflammable gas.
7, this device has been realized the serialization that the solid biomass destructive distillation is produced.
Each embodiment adopts the mode of going forward one by one to describe in this specification sheets, and what each embodiment stressed all is and the difference of other embodiment that identical similar part is mutually referring to getting final product between each embodiment.
To the above-mentioned explanation of the disclosed embodiments, make this area professional and technical personnel can realize or use the utility model.Multiple modification to these embodiment will be conspicuous concerning those skilled in the art, and defined herein General Principle can realize under the situation that does not break away from spirit or scope of the present utility model in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet and principle disclosed herein and features of novelty the wideest corresponding to scope.
Claims (10)
1. solid biomass internal combustion destructive gasifying stove, comprise the destructive distillation tube, helixseal feed appliance (1) that links to each other with the two ends of described destructive distillation tube and gas inlet pipe (13) and the jet combustion device (11) that is positioned at the gas outlet of described gas inlet pipe (13) respectively, the two ends of described destructive distillation tube are provided with the hollow rotating shaft spindle nose (4) that is set in described gas inlet pipe (13) and described helixseal feed appliance (1) outside respectively, between described helixseal feed appliance (1) and described hollow rotating shaft spindle nose (4), be provided with the combustion gas escape pipe, it is characterized in that, be provided with horizontal tubular heat exchange (7) in the described destructive distillation tube, described horizontal tubular heat exchange (7) has the many groups heat transfer tube that is arranged in the destructive distillation tube, and to organize heat transfer tube fixing by the tube sheet (9) at two ends more, described tube sheet (9) is provided with the jack that passes for described heat transfer tube, and the tube sheet (9) of close described jet combustion device (11) is provided with overflow port (16).
2. solid biomass internal combustion destructive gasifying stove as claimed in claim 1 is characterized in that described tube sheet (9) specifically comprises front end tube sheet and the rear end tube sheet that is positioned at a plurality of heat transfer tubes two ends, and is positioned at both intermediary sagging plates.
3. solid biomass internal combustion destructive gasifying stove as claimed in claim 1 is characterized in that described heat transfer tube is circle distribution, and organizes for multiple row more, and each row heat transfer tube is concentric structure, and every group of tubulation is fan-shaped layout.
4. solid biomass internal combustion destructive gasifying stove as claimed in claim 1 is characterized in that the discharge port end of described helixseal feed appliance (1) stretches in the described horizontal tubular heat exchange (7).
5. solid biomass internal combustion destructive gasifying stove as claimed in claim 1 is characterized in that, also comprises being arranged in the described horizontal tubular heat exchange (7), and is positioned at the steady fire heap (15) of the gas outlet of described gas inlet pipe (13).
6. solid biomass internal combustion destructive gasifying stove as claimed in claim 1 is characterized in that, in described horizontal tubular heat exchange (7), and the discharge port place that is positioned at described helixseal feed appliance (1) is provided with flight (19).
7. solid biomass internal combustion destructive gasifying stove as claimed in claim 6 is characterized in that, also comprises a plurality of spirals that the discontinuous on the inwall that is arranged on described destructive distillation tube distributes fold arms (24).
8. solid biomass internal combustion destructive gasifying stove as claimed in claim 1, it is characterized in that, also comprise the lagging casing that is arranged on described destructive distillation tube outside, described lagging casing is provided with thermal insulation layer, described lagging casing is provided with flue-dust retainer (18) near the bottom of described jet combustion device (11) one ends, and the spiral slag tapping equipment (17) that links to each other with this flue-dust retainer (18).
9. solid biomass internal combustion destructive gasifying stove as claimed in claim 8, it is characterized in that, described lagging casing is provided with the roll wheel assembly that is used to support described destructive distillation tube, and described roll wheel assembly comprises rotating rolling wheel support and the rotating roller that is arranged on the described rolling wheel support that is arranged on the described lagging casing;
It axially is provided with the inwall upper edge of described lagging casing a plurality of cylinders that are used to shift out described destructive distillation tube and shifts out guide rail.
10. as each described solid biomass internal combustion destructive gasifying stove of claim 1-9, it is characterized in that, also comprise: be set in the intake ducting between described gas inlet pipe (13) and the described hollow rotating shaft spindle nose (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205350954U CN201762282U (en) | 2010-09-16 | 2010-09-16 | Solid biomass internal combustion dry distillation gasification furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010205350954U CN201762282U (en) | 2010-09-16 | 2010-09-16 | Solid biomass internal combustion dry distillation gasification furnace |
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| CN201762282U true CN201762282U (en) | 2011-03-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955779A (en) * | 2010-09-16 | 2011-01-26 | 合肥天焱绿色能源开发有限公司 | Solid biomass internal-combustion dry distillation gasification furnace |
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2010
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101955779A (en) * | 2010-09-16 | 2011-01-26 | 合肥天焱绿色能源开发有限公司 | Solid biomass internal-combustion dry distillation gasification furnace |
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