CN203878102U - Baking system for improving heating uniformity and heat efficiency of biomass - Google Patents
Baking system for improving heating uniformity and heat efficiency of biomass Download PDFInfo
- Publication number
- CN203878102U CN203878102U CN201420221519.8U CN201420221519U CN203878102U CN 203878102 U CN203878102 U CN 203878102U CN 201420221519 U CN201420221519 U CN 201420221519U CN 203878102 U CN203878102 U CN 203878102U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- roaster
- biomass
- product
- cure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Screw Conveyors (AREA)
Abstract
The utility model relates to a baking system for improving the heating uniformity and the heat efficiency of biomass. The baking system comprises a biomass drier, a biomass feeding system, a screw rod baking unit, a combustor, a fume circulation system, a baking product collecting unit and a baking product cooling system, wherein the screw rod baking unit comprises a screw rod baker; a baker heat jacket is at least partially arranged outside the screw rod baker; the jacket is communicated with the combustor through a combustor fume pipeline; the jacket is internally provided with a baker screw rod; the shaft of the baker screw rod is a hollow shaft; a fume tube I is fixed inside the hollow shaft and is communicated with a baker heat jacket outlet tube and a fume collector. By adopting the baking system, the uniformity of the temperature of the screw rod baker and the stability of the quality of a baking product are effectively improved, the heat conduction efficiency is improved, and the heat loss is reduced. With effective combination of fume of the combustor, a baking product cooling system and the biomass drier, the heat efficiency of the system is further improved.
Description
Technical field
The utility model relates to the device that biomass are cured, particularly a kind of baking system that improves being heated evenly property of biomass and thermo-efficiency.
Background technology
The energy is the basis that modern society depends on for existence and development, develops the economy though the development and utilization of fossil energy is beneficial to, and has also increased pollutant emission, has damaged ecotope and people's health level, and development clean reproducible energy has become urgent problem.Biomass energy belongs to low-carbon (LC) clean energy, in the resource of state-owned abundant biological renewable energy, its research and development, popularize improving Chinese energy structure and ecotope significant.The biomass technology of curing can improve the performance of loss, minimizing transport and carrying cost, raising pulverizing and the material processing of biomass energy metric density and tap density, reduction biomass water-absorbent and microorganism effectively, curing product can be independently for combustion gasification process, also can for the mixed gasification of the mixed combustion of coal, thereby promote biomass energy to apply widely.
At present the pretreatment mode of biomass mainly comprise dry, pulverizing, moulding, cure, pyrolysis.200 DEG C of conventional following dry technology comparative maturities, but after common being dried, in biomass, still often there is the moisture (wet basis massfraction) of 2-10%, due to the water-absorbent of biomass, easily again make moist, and biomass self-energy density and tap density are low, the characteristic such as easy grinding, elevated oxygen level does not improve not yet.The problem that these Biomass Characteristics bring can be improved or solve to the technology of curing.Cure is under the condition of normal pressure, starvation, temperature of reaction is slow pyrolysis process between 200～300 DEG C, can effectively improve biomass energy metric density and tap density, raising grind with handling property, reduction or eliminate biomass water-absorbent, reduce transport and carrying cost.
Current biomass are cured technology and are mainly comprised drum reactor, screw reactor, fluidized-bed, compartment furnace, belt reactor etc., and type of heating has direct heating and indirect heating.The Andritz in Europe and ECN have developed a kind of direct-fired vertical tubular and have been dried and roaster, biomass are at 3 grades or be greater than in the vertical cartridge reactor of 3 grades and be dried successively and cure, and Andritz and ECN have set up the demonstration plant of 1 ton per hour in Denmark.Andritz has also developed drum reactor and the corresponding biomass moulding technical matters of indirect heating, and drum reactor temperature is 250-300oC, residence time of material approximately 30 minutes, and its demonstration plant scale has reached the throughput of 1 ton per hour.The New Biomass Energy company of the U.S. has developed a kind of screw rod roaster of indirect heating, and the heat that cures gaseous combustion generation reaches biomass by oily medium.The Biolake of Holland has developed the screw rod roaster of indirect heating, and roaster temperature is less than 270oC, and the residence time is less than 10 minutes, and the heat of indirect heating is from curing burning of gas, and pilot plant scale has reached the throughput of 1 ton per hour.Be no matter directly or indirect heating cure technology, that the subject matter existing is at present that biomass are heated is inhomogeneous, unstable product quality, semicoke generate and heat transfer efficiency is low, cure technology for direct heating, the quality of curing product is also subject to the impact of heated air composition; Need to develop energy self-balancing, be heated evenly, constant product quality, baking system that heat transfer efficiency is high.
Utility model content
The purpose of this utility model is to solve existing curing range biomass are heated inhomogeneous, unstable product quality and the lower problem of thermo-efficiency, and a kind of baking system that improves being heated evenly property of biomass and system thermal efficiency is provided.
Realizing the utility model object technical scheme is:
Improve the baking system of being heated evenly property of biomass and system thermal efficiency, comprise biomass moisture eliminator, biomass feed system, screw rod cures unit, burner, smoke circulating system, cure product collection unit, cure product cooling system, wherein biomass moisture eliminator, biomass feed system, screw rod cures unit and connects successively, the volatile matter that burner and screw rod cure the screw rod roaster of unit shifts out pipe and is connected, cure product screw rod blanking device and cure the conveying of product rotary valve discharger and cure product to curing in product collector, curing product collector is connected with the tremie pipe that cures product rotary valve discharger tail end, cure product collector and cure product cooling system and carry and cure product by screw conveyor.
Above-mentioned screw rod cures unit and comprises screw rod roaster, and its outside has roaster thermal jacket at least partly, and this chuck is communicated with by burner flue with burner; Its inside has roaster screw rod, and the axle of roaster screw rod is tubular shaft, and tubular shaft inside is fixed with fume pipe one, is communicated with roaster thermal jacket outlet pipe and flue gas collector; The flue gas collector that the tail end of screw rod roaster arranges, it is communicated with biomass moisture eliminator by fume pipe two; The described product cooling system that cures comprises water cooler, adopts chilled air cools to cure product in water cooler, is directly connected, or is connected with biomass moisture eliminator after being connected with fume pipe two after heat exchange through hot gas outlet duct with biomass moisture eliminator.
Above-mentioned biomass baking system, roaster is screw reactor, the outer wall of screw rod roaster is hollow, the inside is furnished with traverse baffle, flue gas inside helicoidal flow and and biomass be counter-current flow with residence time of prolong smoke, increase flue gas turbulent extent and heat transfer efficiency, improve roaster the inside and be dried and cure the temperature distribution in region.
Above-mentioned biomass baking system, the screw rod of roaster is hollow, screw rod roaster passes through the tubular shaft of screw rod and the fume pipe of the inside is realized interior indirect heating, thereby inside tubular shaft, fume pipe outside surface has the groove of indent or the thrust of evagination to replace turbulent flow and the heat transfer efficiency of the air flue increase flue gas changing inside tubular shaft to form cross-sectional area with the inwall of tubular shaft.
Above-mentioned biomass baking system, the screw conveyor of biomass feed system adopts screw rod transmission design to make biomass material evenly be transported to one or more rotary valve feeder below it.Rotary valve feeder plays gas lock and does in order to avoid air to enter roaster, and meanwhile, steam and the volatile matter pressure of roaster the inside have prevented air inflow.
Above-mentioned biomass baking system, curing the employing of product screw rod blanking device carries and pushes design and cure product collector and cure effective material envelope of product water cooler and isolate to realize, air or rare gas element also can inject to strengthen sealing gland curing between product collector and water cooler, cure product rotary valve discharger has gas lock effect to enter roaster to prevent the air that cures product water cooler the inside simultaneously, and the steam of roaster the inside and volatile matter pressure have also prevented the inflow of air.
Above-mentioned biomass baking system, cure the warm air of product water cooler can be for biomass predrying or and the flue gas that comes from flue gas collector be mixed into biomass moisture eliminator, dried biomass are transported to the feed bin of biomass feeding unit capable by gravity, screw rod or rotary valve feeder.
Above-mentioned biomass baking system, thermal jacket, burner, flue gas collector and the various flue of screw rod roaster and outside have thermal insulation layer.
Above-mentioned biomass baking system, roaster is screw reactor, the outer wall of screw rod roaster has thermal jacket, and the inside is furnished with traverse baffle, and the flue gas coming from burner is helicoidal flow inside with the residence time of prolong smoke and increases turbulent extent and the heat transfer efficiency of flue gas.Flue gas and the biomass of roaster thermal jacket the inside are counter-current flow, have improved the temperature distribution that is dried and cures region of roaster the inside.The screw rod of roaster is also hollow, screw rod roaster is realized interior indirect heating by the tubular shaft of screw rod with the fume pipe that reaches its inside, thereby in tubular shaft, fume pipe outside surface has the groove of indent or the thrust of evagination to increase the turbulent flow of flue gas inside tubular shaft and the further heat transfer efficiency that improves to replace with the inwall formation cross-sectional area of tubular shaft the air flue changing.Heat the biomass of roaster and its inside together with its screw rod tubular shaft the inside from the thermal jacket of screw rod roaster, make biomass internal/external heating more even, the cross-sectional area of the traverse baffle of roaster thermal jacket and screw rod tubular shaft the inside replaces the air flue changing, and has further promoted turbulent flow and the heat transfer efficiency of flue gas.The screw rod tubular shaft of roaster can be at the radial center place of screw rod pipeline or hopper, also can radial asymmetrical arrange and make tubular shaft near the inwall place below screw rod pipeline or hopper, promote the heat transfer of tubular shaft and biomass, also make the gap of screw rod blade tip and bottom hopper shorten simultaneously, make blade more completely more effectively promote material to move forward and promote rolling and the mixing of material.Flue gas in roaster screw rod tubular shaft enters biomass moisture eliminator through flue gas collector and smoke conveying duct.Closely side-by-side and two pipelines, insulating is set from the roaster flue that cures gas pipeline and enter screw rod tubular shaft out, prevent from curing gas and condense to ensure to cure the temperature of gas pipeline.Cure gas in burner and air mixed burning, its flue gas is for the indirect heating system of screw rod roaster.Biomass feed system comprises screw conveyor and rotary valve feeder, biomass material is transported to respectively one or more rotary valve feeder by screw conveyor, rotary valve feeder and material above it play gas lock effect, the steam of roaster the inside and cure gaseous tension and also prevent that air from entering roaster from biomass feed system.At roaster end, curing product collection unit comprises and cures product screw rod blanking device, cure product rotary valve discharger and cure product collector, the solid product that screw rod blanking device is collected roaster is biological coal, is transported to and is cured product collector by rotary valve discharger.Adopt screw conveyor further will cure solid product and be transported to water cooler, this screw rod is curing the effective isolation that adopts conveying extruding design to cure product collector and water cooler with realization between product collector and water cooler, air or rare gas element also can inject to strengthen sealing gland curing between product collector and water cooler, roaster and the rotary valve discharger curing between product collector are realized roaster and are cured the effective isolation between product collector, steam in roaster and cure gaseous tension and also prevented that gas from flowing backward to roaster from curing product water cooler.The warm air that is baked solid product heating connects to be delivered to the predrying device of biomass or to be input to the flue coming from flue gas collector through pipeline and enters in the lump biomass moisture eliminator from curing product water cooler, thereby has improved system heat utilization efficiency.Screw rod roaster and thermal jacket thereof, burner, flue gas collector and all flues have insulating.
The utlity model has positive effect: the screw rod roaster of (1) the utility model system is that inside and outside indirect heating combines, make inside and outside being heated of the temperature of roaster and biomass more evenly, avoided biomass local superheating; (2) screw rod roaster thermal jacket, the inside is furnished with traverse baffle, and the flue gas coming from burner is turbulent extent and the heat transfer efficiency that helicoidal flow is avoided short circuit with the residence time of prolong smoke and increased flue gas inside; (3) screw rod of roaster is hollow, screw rod roaster is realized interior indirect heating by the tubular shaft of screw rod with the fume pipe that reaches its inside, thereby in tubular shaft, fume pipe outside surface has the groove of indent or the thrust of evagination to increase turbulent flow and the heat transfer efficiency of flue gas inside tubular shaft to replace with the inwall formation cross-sectional area of tubular shaft the air flue changing; (4) flue gas and the biomass in screw rod roaster thermal jacket are counter-current flow, the flue gas of tubular shaft the inside and biomass are following current and flow, add the effect that is uniformly mixed of roaster screw rod, make being heated of biomass material more evenly avoid the generation of local superheating phenomenon; (5) design of the screw conveyor of biomass feed system makes it have the function of uniform biomass material, makes each screw reactor of multiscrew roaster can have uniform material to distribute; (6) cure product collector and water cooler and adopt the conveying extruding design of screw rod to realize material envelope, cure between product collector and water cooler and also can input rare gas element or air to strengthen sealing gland; The rotary valve feeder of biomass charging and the rotary valve discharger that cures product are realized the isolation of roaster and upstream and downstream unit, the steam in roaster and cure gaseous tension and prevented that air from entering roaster; (7) closely side-by-side and two pipelines, insulating is set from the roaster flue that cures gas pipeline and enter roaster screw rod tubular shaft out, prevent from curing gas and condense to ensure to cure the temperature of gas pipeline.
Brief description of the drawings
For content of the present utility model is more easily expressly understood, according to specific embodiment also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the structural representation of the utility model biomass baking system;
Fig. 2 is the structural representation of the utility model embodiment 1;
Fig. 3 is the structural representation of the utility model embodiment 2.
Wherein:
1 biomass moisture eliminator, 2 burners, 3 cure product collector, 4 screw rod roasters, 5 roaster thermal jackets, 6 burner flues, 7 roaster screw rods, 8 tubular shafts, 9 fume pipes one, 10 roaster thermal jacket outlet pipes, 11 flue gas collectors, 12 fume pipes two, 13 water coolers, 14 hot gas outlet ducts, 15 roaster volatile matters shift out pipe, 16 biomass feeding unit capables, 161 screw conveyors, 162 rotary valve feeders, 163 biomass silos, 17 and cure product screw conveyor, and 18 cure product screw rod blanking device, 19 cures product rotary valve discharger.
Embodiment
(embodiment 1 is shown in Fig. 1 and Fig. 2)
The present embodiment comprises screw rod roaster 4, there is roaster thermal jacket 5 its outside, thermal jacket the inside is furnished with 12 traverse baffles, chuck is communicated with by burner flue 6 with burner 2, be helicoidal flow from the flue gas of burner 2 in chuck the inside, flue gas and the biomass of roaster thermal jacket 5 the insides are counter-current flow, make that screw rod roaster 4 arid region temperature are lower, to cure regional temperature higher, have improved the temperature distribution of screw rod roaster 4 the insides.Roaster screw rod 7 is also hollow, and screw rod roaster 4 is realized interior indirect heating by the tubular shaft 8 of screw rod and the fume pipe 1 reaching inside it, and 8 li of fume pipe outside surfaces of tubular shaft have the groove of multiple indents.Heat roaster and biomass from the outside of screw rod roaster 4 together with its screw rod tubular shaft 8 the insides, make biomass internal/external heating more even, the cross-sectional area of the traverse baffle of roaster thermal jacket and screw rod tubular shaft the inside replaces the air flue changing, and has promoted turbulent flow and the heat transfer efficiency of flue gas.The screw rod tubular shaft 8 of roaster is at the radial center place of screw rod pipeline.The flue gas that roaster screw rod tubular shaft is 8 li enters biomass moisture eliminator 1 through flue gas collector 11 and fume pipe 2 12.Fume pipe 1 is communicated with roaster thermal jacket outlet pipe 10 and flue gas collector 11, from roaster out to cure flue 10 that gas shifts out pipe 15 and enter screw rod tubular shaft through roaster volatile matter closely side-by-side and two pipelines, insulating is set, to ensure that temperature that roaster volatile matter shifts out pipe 15 prevents from curing gas and condenses, cure gas and burn with air mixed in burner 2, its flue gas is for the indirect heating system of screw rod roaster 4.Biomass feeding unit capable 16 comprises biomass silo 163, screw conveyor 161 and rotary valve feeder 162, biomass material is transported to respectively 4 rotary valve feeders 162 by screw conveyor 161, rotary valve feeder 162 and the material above it play gas lock effect, the steam of screw rod roaster 4 the insides and cure gaseous tension and prevent that air from entering in roaster from biomass feed system.At roaster end, curing product screw rod blanking device 18 will be that biological coal is collected by curing the product that cures that product tremie pipe comes, and be transported to and will cure product collector 3 by curing product rotary valve discharger 19.Employing is cured product screw conveyor 17 and will be cured solid product and be transported to water cooler 13, this screw rod adopts carries extruding design to realize the material envelope of curing product collector 3 and water cooler 13, air or rare gas element also can inject to strengthen sealing gland curing between product collector 3 and water cooler 13, screw rod roaster 4 and the product rotary valve discharger 19 that cures curing between product collector 3 are realized screw rod roaster 4 and are cured the effective isolation between product collector 3, steam in roaster and cure gaseous tension and also prevented that gas from flowing backward to screw rod roaster 4 from water cooler 13.Thereby the warm air that is baked solid product heating connects and is delivered to biomass moisture eliminator 1 and has improved system heat utilization efficiency through hot gas outlet duct 14 from curing product water cooler.Screw rod roaster 4, roaster thermal jacket 5, burner 2, flue gas collector 11 and all flues have insulating.
(embodiment 2 is shown in Fig. 1 and Fig. 3)
The present embodiment comprises screw rod roaster 4, there is roaster thermal jacket 5 its outside, thermal jacket the inside is furnished with 6 traverse baffles, chuck is communicated with by burner flue 6 with burner 2, be helicoidal flow in chuck the inside from the flue gas of burner 2 with the residence time of prolong smoke and increase turbulent extent and the heat transfer efficiency of flue gas, flue gas and the biomass of roaster thermal jacket 5 the insides are counter-current flow, make that screw rod roaster 4 arid region temperature are lower, to cure regional temperature higher, improved the temperature distribution of screw rod roaster 4 the insides.Roaster screw rod 7 is also hollow, screw rod roaster 4 is realized interior indirect heating by the tubular shaft 8 of screw rod with the fume pipe 1 that reaches its inside, thereby 8 li of fume pipe outside surfaces of tubular shaft have the thrust of evagination to increase turbulent flow and the heat transfer efficiency of flue gas inside tubular shaft to replace with the inwall formation cross-sectional area of tubular shaft 8 air flue changing.Heat roaster and biomass from the outside of screw rod roaster 4 together with its screw rod tubular shaft 8 the insides, make biomass internal/external heating more even, the cross-sectional area of the traverse baffle of roaster thermal jacket and screw rod tubular shaft the inside replaces the air flue changing, and has promoted turbulent flow and the heat transfer efficiency of flue gas.1 or multiple screw rod 7 of roaster are below rectangle hopper, and make below screw rod blade tip and hopper and the gap of side inner walls as far as possible little of to avoid dead angle, make blade more completely more effectively promote material to move forward and promote rolling and the mixing of material simultaneously.Retrograde rotation between adjacent two screw rods of roaster.The flue gas that roaster screw rod tubular shaft is 8 li enters biomass moisture eliminator 1 through flue gas collector 11 and fume pipe 2 12.Fume pipe 1 is communicated with roaster thermal jacket outlet pipe 10 and flue gas collector 11, the flue 10 that shifts out pipe 15 and enter screw rod tubular shaft from roaster roaster volatile matter is out closely side-by-side and two pipelines, insulating is set, to ensure that temperature that roaster volatile matter shifts out pipe 15 prevents from curing gas and condenses, cure gas and burn with air mixed in burner 2, its flue gas is for the indirect heating system of screw rod roaster 4.Biomass feeding unit capable 16 comprises biomass silo 163, screw conveyor 161 and rotary valve feeder 162, biomass material is transported to respectively one or more rotary valve feeder 162 by screw conveyor 161, rotary valve feeder 162 and the material above it play gas lock effect, the steam of screw rod roaster 4 the insides and cure gaseous tension and prevent that air from entering roaster from biomass feed system.At roaster end, curing product screw rod blanking device 18 will be that biological coal is collected by curing the product that cures that product blanking groove comes, and be transported to and will cure product collector 3 by curing product rotary valve discharger 19.Employing is cured screw conveyor 17 and will be cured solid product and be transported to water cooler 13, this screw rod adopts carries extruding design to realize the material envelope of curing product collector 3 and water cooler 13, air or rare gas element also can inject to strengthen sealing gland curing between product collector 3 and water cooler 13, screw rod roaster 4 and the product rotary valve discharger 19 that cures curing between product collector 3 are realized screw rod roaster 4 and are cured the effective isolation between product collector 3, the steam in roaster and cure gaseous tension and also prevented that gas from flowing backward to screw rod roaster 4 from water cooler 13.The warm air that is baked solid product heating is input to the next flue 2 12 of flue gas collector and enters biomass moisture eliminator 1 from curing product water cooler hot air delivery pipe 14, thereby has improved system heat utilization efficiency.Screw rod roaster 4, roaster thermal jacket 5, burner 2, flue gas collector 11 and all flues have insulating.
Above-described specific embodiment; the purpose of this utility model, technical scheme and beneficial effect are further described; institute is understood that; the foregoing is only specific embodiment of the utility model; be not limited to the utility model; all within spirit of the present utility model and principle, any amendment of making, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (8)
1. one kind is improved the baking system of being heated evenly property of biomass and thermo-efficiency, comprise that biomass moisture eliminator (1), biomass feed system, screw rod cure unit, burner (2), smoke circulating system, cure product collection unit, cure product cooling system, it is characterized in that: described screw rod cures unit and comprises screw rod roaster (4), its outside has roaster thermal jacket (5) at least partly, and this chuck is communicated with by burner flue (6) with burner (2); Its inside has roaster screw rod (7), the axle of roaster screw rod (7) is tubular shaft (8), tubular shaft (8) inside is fixed with fume pipe one (9), is communicated with roaster thermal jacket outlet pipe (10) and flue gas collector (11); The tail end of screw rod roaster (4) is provided with flue gas collector (11), and it is communicated with biomass moisture eliminator (1) by fume pipe two (12); The described product cooling system that cures comprises water cooler (13), in water cooler (13), adopt chilled air cools to cure product, after heat exchange, be directly connected with biomass moisture eliminator (1) through hot gas outlet duct (14), or be connected with biomass moisture eliminator (1) after being connected with fume pipe two (12).
2. baking system according to claim 2, is characterized in that: roaster thermal jacket (5) inside is provided with at least 1 traverse baffle; There is thermal insulation layer roaster thermal jacket (5) and screw rod roaster (4) outside.
3. according to baking system described in claim 2 or 3, it is characterized in that: fume pipe one (9) outside surface has the groove of indent or the thrust of evagination.
4. baking system according to claim 2, is characterized in that: the tubular shaft (8) of roaster screw rod is positioned at the radial center place of screw rod pipeline or hopper, or is radial asymmetrical layout.
5. according to the baking system described in claim 2 or 3, it is characterized in that: the fixing employing cantilever design of the fume pipe one (9) of tubular shaft (8) inside of roaster screw rod, or fix at screw rod two ends place respectively.
6. baking system according to claim 2, it is characterized in that: the volatile matter of screw rod roaster (4) shifts out pipe (15) by roaster volatile matter and is transported in burner (2), the fume pipe one (9) that roaster volatile matter shifts out pipe (15) and roaster thermal jacket outlet pipe (10) or enters roaster screw rod tubular shaft is closely side-by-side and at its whole pipeline, insulating is set outward; There is thermal insulation layer described flue gas collector (11), burner fume pipe (6), roaster thermal jacket outlet pipe (10), fume pipe two (12) outsides.
7. baking system according to claim 2, it is characterized in that: described biomass feed system comprises biomass feeding unit capable (16), this device comprises screw conveyor (161), and its underpart is connected with 1 to multiple rotary valve feeders (162).
8. baking system according to claim 2, it is characterized in that: described in cure product collection unit and comprise and cure product screw rod blanking device (18), cure product rotary valve discharger (19) and cure product collector (3), cure product cooling system and comprise water cooler (13), described curing between product collector (3) and water cooler (13) is provided with and cures product screw conveyor (17), adopt screw rod transmission and curing effective isolation that between product collector (3) and water cooler (13), section adopts appropriate extruding and the design of material envelope to cure product collector (3) and water cooler (13) with realization, air or rare gas element also can inject to strengthen sealing gland curing between product collector (3) and water cooler (13), cure product rotary valve discharger has gas lock effect to enter screw rod roaster (4) with the air that prevents water cooler (13) the inside simultaneously, the steam of screw rod roaster (4) the inside and volatile matter pressure have also prevented the inflow of air.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221519.8U CN203878102U (en) | 2014-04-30 | 2014-04-30 | Baking system for improving heating uniformity and heat efficiency of biomass |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420221519.8U CN203878102U (en) | 2014-04-30 | 2014-04-30 | Baking system for improving heating uniformity and heat efficiency of biomass |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203878102U true CN203878102U (en) | 2014-10-15 |
Family
ID=51678626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420221519.8U Expired - Fee Related CN203878102U (en) | 2014-04-30 | 2014-04-30 | Baking system for improving heating uniformity and heat efficiency of biomass |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203878102U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104560259A (en) * | 2015-01-30 | 2015-04-29 | 湖南大学 | Preparation method and system of biomass moulding fuel |
| CN104593112A (en) * | 2015-01-30 | 2015-05-06 | 湖南大学 | Preparation method and preparation system for biomass forming granular fuels |
| CN108341585A (en) * | 2018-04-13 | 2018-07-31 | 南京中船绿洲环保有限公司 | A kind of indirect thermal desorption device of sludge |
-
2014
- 2014-04-30 CN CN201420221519.8U patent/CN203878102U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104560259A (en) * | 2015-01-30 | 2015-04-29 | 湖南大学 | Preparation method and system of biomass moulding fuel |
| CN104593112A (en) * | 2015-01-30 | 2015-05-06 | 湖南大学 | Preparation method and preparation system for biomass forming granular fuels |
| CN104593112B (en) * | 2015-01-30 | 2017-03-22 | 湖南大学 | Preparation method and preparation system for biomass forming granular fuels |
| CN108341585A (en) * | 2018-04-13 | 2018-07-31 | 南京中船绿洲环保有限公司 | A kind of indirect thermal desorption device of sludge |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105018123A (en) | Baking method and system for improving heated uniformity and heat efficiency of biomass | |
| CN102154019B (en) | Spiral push type low temperature pyrolysis carbonation furnace | |
| CN105861001B (en) | A kind of interior external heat, the moving bed pyrolysis method and system for indirectly and directly heating combination | |
| CN102226092A (en) | Continuous biomass low-temperature pyrolytic charring method and charring furnace thereof | |
| CN103254918A (en) | System and method for drying and carbonizing biomass raw material by using boiler flue gas | |
| CN109161393B (en) | System and method for grading and carbonizing livestock and poultry manure | |
| CN203878102U (en) | Baking system for improving heating uniformity and heat efficiency of biomass | |
| CN105131998A (en) | Biomass and coal medium-low temperature pyrolysis quality improving system and technology thereof | |
| CN102249225B (en) | System using biomass for heat supply for producing activated carbon by fly ash | |
| CN201990632U (en) | Spirally push type low-temperature pyrolysis carbonizing furnace | |
| CN103409156B (en) | Heat carrier destructive distillation system for coal and method thereof | |
| CN205687862U (en) | A kind of interior external heat, indirectly and directly add the moving bed pyrolysis system of thermal | |
| CN102927795B (en) | System and method for drying brown coal indirectly in roller mode by flue gas | |
| CN105861019A (en) | Novel down pipe pyrolysis liquefying system in ceramic heat storage ball cyclic heating mode | |
| CN104654768A (en) | Biogas hot air drying process | |
| CN109574455A (en) | A kind of heat accumulating type sludge drying carbonization system | |
| CN109028035A (en) | A kind of gasification of biomass-combustion side coupling coal-burning boiler | |
| CN211999569U (en) | Continuous living beings carbomorphism system of horizontal rotary drum more than two layers | |
| CN204824732U (en) | Industry fuel oil apparatus for producing is prepared in pyrolysis of agriculture and forestry abandonment living beings | |
| CN206538389U (en) | A kind of downdraft fixed bed system with residual heat utilizing function | |
| CN208794393U (en) | A kind of gasification of biomass-combustion side coupling coal-burning boiler | |
| CN206410140U (en) | Utilize the system of fume afterheat garbage drying | |
| CN201883075U (en) | Coal decomposition device | |
| CN201825922U (en) | Multiple-pipe external-heating type decomposing device for coal material | |
| CN209836218U (en) | Coal-based direct reduction shaft furnace and direct reduction production system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20190430 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |