CN204265698U - A kind of biomass charing device - Google Patents

A kind of biomass charing device Download PDF

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Publication number
CN204265698U
CN204265698U CN201420650304.8U CN201420650304U CN204265698U CN 204265698 U CN204265698 U CN 204265698U CN 201420650304 U CN201420650304 U CN 201420650304U CN 204265698 U CN204265698 U CN 204265698U
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CN
China
Prior art keywords
kiln
biomass
charring furnace
outlet
stay
Prior art date
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CN201420650304.8U
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Chinese (zh)
Inventor
马培勇
熊晓洋
邢献军
陈水林
施苏薇
薛腾
裴钰
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合肥工业大学
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Priority to CN201420650304.8U priority Critical patent/CN204265698U/en
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E50/00Technologies for the production of fuel of non-fossil origin
    • Y02E50/10Biofuels, e.g. bio-diesel

Abstract

The utility model discloses a kind of biomass charing device, this device comprises kiln, charring furnace, tar-removing device, interchanger and roasting kiln, in kiln and charring furnace, by heat source gas and direct contact heat transfer, rapid drying biomass material also makes it carbonize, pyrolysis gas tar recovery system is set simultaneously, and obtains abundant efficiency utilization by design thing heat energy.The utility model has the following advantages compared to existing technology: capacity usage ratio is high, and the heat that fuel combustion is discharged is to greatest extent for biomass carbonated; Biomass are heated evenly, and use pyrolysis gas as heating medium, direct heating biomass material, high-temperature hot is vented one's spleen and directly contacted with biomass material, and contact area is large, and fully, heat transmission is more direct in contact; Can work continuously, production efficiency is high; Carbonization temperature is easy to control.

Description

A kind of biomass charing device
Technical field
The utility model relates to biomass carbonated method and carbonizing apparatus field, and especially relating to a kind of take straw as biomass carbonated method and the apparatus system of raw material.
Background technology
The energy that the current world mainly uses is fossil energy, due to fossil energy storage capacity limited and a large amount of greenhouse gases, obnoxious flavour and the dust that discharge in use procedure.A lot of country all seeking a kind of reproducible clean energy, for replacing fossil energy.Biomass energy reserves are huge, are again reproducible, are expected to replace fossil energy.
Biomass pyrolytic charing technology is the one of biomass utilization technologies.Biomass can be converted into biomass charcoal, biogas, wood vinegar and tar by pyrolysis charring technology.Current fixed-bed pyrolysis carbonization device can be divided three classes: external-heat fixes thermal decomposition coke oven, internal heat type fixed-bed pyrolysis charring furnace and circulated gases heating-type fixed-bed pyrolysis charring furnace again.
Utility model patent ZL201210129924.2 discloses a kind of continuous biomass retorting carbonization device and technique, the body of heater of charring furnace uses screw-pushing type feeding, in body of heater, the outer cover of cartridge heater has external heat cylinder, certain spacing is had between inner/outer tube, the pyrolysis gas that charing produces enters roasting kiln burning after refrigerated separation purification, flue gas passes into the space between inner/outer tube, and heating biological matter makes its pyrolysis.Owing to using indirect heating type heating biological matter, biomass can not homogeneous heating.
Utility model patent ZL200810019302.8 discloses a kind of method and the rapid thermal decomposition coke oven of producing biomass carbonization carbon and biological fuel gas, by arranging vaporizer at charring furnace center, light vaporizer endogenous substance and make it gasification, be drawn into outside charring furnace with roots blower by pyrolysis gas, biomass pyrolytic carbonizes in the biomass through charring furnace surrounding by pyrolysis gas.Kiln and charring furnace do not separate by this thermal decomposition coke oven, and use the pyrolysis gas of pyrolytic gasification generation as heating medium, and Heating temperature is wayward.The high temperature pyrolysis temperature degree that center charring furnace produces is wayward, and can not continuous seepage, and production efficiency is not high enough.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of biomass charing device.
The utility model is achieved through the following technical solutions: a kind of biomass charing device, comprise kiln, charring furnace, tar-removing device, interchanger and roasting kiln, it is characterized in that, kiln product outlet and kiln gas inlet are set bottom kiln, kiln top arranges kiln feed(raw material)inlet and kiln pneumatic outlet, charring furnace top arranges charring furnace feed(raw material)inlet and charring furnace pneumatic outlet, charring furnace product outlet and charring furnace gas inlet are set bottom charring furnace, kiln product outlet connects charring furnace feed(raw material)inlet, tar-removing device entrance connects charring furnace pneumatic outlet, tar-removing device outlet connects interchanger cold-side inlet, interchanger cold side outlet is connected to charring furnace gas inlet, tar-removing device outlet is also connected with roasting kiln fuel gas inlet by bypass, roasting kiln exhanst gas outlet is connected to the exchanger heat end entrance of interchanger, exchanger heat brings out mouth and connects kiln gas inlet.
As further improvement of these options, kiln gas inlet also connects breeze fan.
As further improvement of these options, kiln stay-warm case is set outside kiln, charring furnace stay-warm case is set outside charring furnace.
As further improvement of these options, what conveying biomass were moved in a device is biomass transport pipes, piping insulation cover is set outside biomass transfer canal, kiln stay-warm case, charring furnace stay-warm case and biomass transport pipe stay-warm case are all jacket type structures of inner hollow, kiln stay-warm case, charring furnace stay-warm case are connected with the chuck cavity of biomass transport pipe stay-warm case and communicate, and the gas inlet of roasting kiln is connected with chuck cavity.
As further improvement of these options, charring furnace rotor segment is set in charring furnace, kiln rotor segment is set in kiln.
The utility model has the following advantages compared to existing technology:
1, capacity usage ratio is high, pyrolysis gas through tar removing process is directly used as the heating medium of coking chamber and the fuel source of combustion chamber by this device, for cooling the oxygen sources of air as combustion chamber of biomass charcoal, because pyrolysis gas and air have certain initial temperature, decrease preheating of air temperature, the heat that fuel combustion is discharged is to greatest extent for biomass carbonated.
2, biomass are heated evenly, and use pyrolysis gas as heating medium, direct heating biomass material, high-temperature hot is vented one's spleen and directly contacted with biomass material, and contact area is large, and fully, heat transmission is more direct, and biomass are heated also more even in contact.
3, can work continuously, production efficiency is high, and coking chamber adopts rotary scraping plate mechanism, and biomass move while carbonize in coking chamber, achieves biomass carbonated working continuously.
4, carbonization temperature is easy to control, and because combustion chamber is independently arranged, by regulating the temperature of stack gas, can change the temperature of the pyrolysis gas through interchanger, equally also by regulating the flow of stack gas and pyrolysis gas, can regulate the temperature of pyrolysis gas.
Accompanying drawing explanation
Fig. 1 is carbonization method schematic flow sheet.
Fig. 2 is carbonizing apparatus structural representation.
Embodiment
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1, as shown in Figure 1, a kind of biomass carbonated method, step is as follows, step one: biomass material is sent into kiln drying treatment, in this step, biomass material in heat source gas direct contact heat transfer, because biomass material space is large, and water content is high, direct thermal source air heat-exchange can ensure that heat transfer rapidly, and thermal source wind also can take away water vapour fast simultaneously, makes biomass material rapid drying, step 2: dried biomass are delivered to charring furnace and carbonize, the biomass material mode that adopt direct contact heat transfer same with heated air direct contact heat transfer charring furnace in this step, since heat transfer rapidly, heat transfer efficiency is high, and can take away pyrolysis gas and tar fast, step 3: the biomass after step 2 being carbonized are delivered to collection charcoal device, then collecting packing or transport, step 4: the pyrolysis gas that step 2 generates is transported to tar-removing device, carries out tar removing process, step 5: the pyrolysis gas part after step 4 process is delivered to roasting kiln, another part is delivered to interchanger cold junction and leads to after heat exchange bottom charring furnace, direct contact heat transfer is carried out as the biomass in heated air and charring furnace, the flue gas that the pyrolysis gas being delivered to roasting kiln produces through burning leads to interchanger hot junction, pyrolysis gas for heating to charring furnace heats up, like this by a part of pyrolysis gas combustion heating another part pyrolysis gas, then vent one's spleen by the high-temperature hot after heating and go again to carbonize biomass material, produce new pyrolysis gas again, formation circulation like this, economical environment-protective, step 6: the flue gas in step 5 is delivered to the kiln of step one again by interchanger, as heat source gas to biomass drying treatment, so carrys out remaining tow taste heat in recovered flue gas, makes Btu utilization more abundant.
Step 7: the biomass charcoal collected in step 3 in charcoal device is passed through air cooling, the air source of the roasting kiln of step 5 is in collecting in charcoal device the air after cooling biomass charcoal, the heat that biomass charcoal is taken away can be reclaimed like this, further improve heating efficiency.
As further improvement of these options, also comprise step 8, step 8 be by tar-removing device supplementary set in step 4 to tar send into roasting kiln burning in step 5.
Embodiment 2
As shown in Figure 2, a kind of biomass charing device, comprise kiln 21, charring furnace 4, tar-removing device 2, interchanger 7 and roasting kiln 13, it is characterized in that, kiln product outlet 23 and kiln gas inlet 19 are set bottom kiln 21, kiln 21 top arranges kiln feed(raw material)inlet 22 and kiln pneumatic outlet 20, charring furnace 4 top arranges charring furnace feed(raw material)inlet 25 and charring furnace pneumatic outlet 25, charring furnace product outlet 17 and charring furnace gas inlet 5 are set bottom charring furnace 4, kiln product outlet 23 connects charring furnace feed(raw material)inlet 25, tar-removing device entrance 3 connects charring furnace pneumatic outlet 25, tar-removing device outlet 1 connects interchanger cold-side inlet 8, interchanger cold side outlet 6 is connected to charring furnace gas inlet 5, tar-removing device outlet 1 is also connected with roasting kiln fuel gas inlet 15 by bypass, roasting kiln exhanst gas outlet 12 is connected to the exchanger heat end entrance 11 of interchanger 7, exchanger heat brings out mouth 9 and connects kiln gas inlet 19.The principle of this device, as the method in embodiment 1, fully recycles heat energy, reaches biomass carbonated sufficient object.
Kiln gas inlet 19 also connects breeze fan.The air that kiln gas inlet 19 connecting fan is sent here, can supplement kiln 21 source of the gas not enough, and sufficient air quantity can promote biomass material rapid drying.
Kiln stay-warm case 211 is set outside kiln 21, charring furnace stay-warm case 41 is set outside charring furnace 4.Stay-warm case can reduce the heat energy loss of charring furnace 4 and kiln 21, improves efficiency of energy utilization.
What conveying biomass were moved in a device is biomass transport pipe 16, biomass transport pipe stay-warm case 161 is set outside biomass transfer canal, kiln stay-warm case 211, charring furnace stay-warm case 41 and biomass transport pipe stay-warm case 161 are all jacket type structures of inner hollow, kiln stay-warm case 211, charring furnace stay-warm case 41 are connected with the chuck cavity of biomass transport pipe stay-warm case 161 and communicate, and the gas inlet of roasting kiln 13 is connected with chuck cavity.So can either reach heat insulation effect, unnecessary heat energy is got back to again in system by roasting kiln 13 simultaneously, strengthens the recycling of energy, improves energy utilization efficiency further.
Charring furnace rotor segment 26 is set in charring furnace 4, kiln rotor segment 27 is set in kiln 21.Charring furnace rotor segment 26 1 aspect can prevent biomass charcoal in the accumulation of charring furnace 4 inwall bonding, the bias current of stirring and making charring furnace 4 endogenous substance carbon build-up evenly be unlikely to produce high-temperature flue gas can be played on the other hand, make solid phase and gas phase heat exchange fully, evenly; Kiln rotor segment 27 is set in kiln 21 and can prevents biomass material bonding kiln 21 inwall equally, also stir the biomass material in kiln 21 simultaneously, heat source gas is contacted with biomass material fully, accelerates drying process.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a biomass charing device, comprise kiln, charring furnace, tar-removing device, interchanger and roasting kiln, it is characterized in that, kiln product outlet and kiln gas inlet are set bottom described kiln, described kiln top arranges kiln feed(raw material)inlet and kiln pneumatic outlet, described charring furnace top arranges charring furnace feed(raw material)inlet and charring furnace pneumatic outlet, charring furnace product outlet and charring furnace gas inlet are set bottom described charring furnace, described kiln product outlet connects described charring furnace feed(raw material)inlet, tar-removing device entrance connects described charring furnace pneumatic outlet, tar-removing device outlet connects interchanger cold-side inlet, interchanger cold side outlet is connected to described charring furnace gas inlet, described tar-removing device outlet is also connected with roasting kiln fuel gas inlet by bypass, roasting kiln exhanst gas outlet is connected to the exchanger heat end entrance of described interchanger, exchanger heat brings out mouth and connects described kiln gas inlet.
2. a kind of biomass charing device as claimed in claim 1, it is characterized in that, described kiln gas inlet also connects breeze fan.
3. a kind of biomass charing device as claimed in claim 1, is characterized in that, arrange kiln stay-warm case outside described kiln, arrange charring furnace stay-warm case outside described charring furnace.
4. a kind of biomass charing device as claimed in claim 3, it is characterized in that, what conveying biomass were moved in a device is biomass transport pipes, outside described biomass transfer canal, piping insulation cover is set, described kiln stay-warm case, described charring furnace stay-warm case and described biomass transport pipe stay-warm case are all jacket type structures of inner hollow, described kiln stay-warm case, charring furnace stay-warm case are connected with the chuck cavity of biomass transport pipe stay-warm case and communicate, and the gas inlet of described roasting kiln is connected with described chuck cavity.
5. a kind of biomass charing device as claimed in claim 1, is characterized in that, arrange charring furnace rotor segment in described charring furnace, arrange kiln rotor segment in described kiln.
CN201420650304.8U 2014-11-03 2014-11-03 A kind of biomass charing device CN204265698U (en)

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Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104342178A (en) * 2014-11-03 2015-02-11 合肥工业大学 Biomass carbonizing method and biomass carbonizing device
CN105505415A (en) * 2016-02-03 2016-04-20 江苏河海给排水成套设备有限公司 Multi-section pyrolysis, boiling, carbonization and secondary oxidization treatment device for garbage
CN106336880A (en) * 2016-10-12 2017-01-18 湖北楚天生物质能源科技开发有限公司 Biomass granule continuous carbonization device
CN106635091A (en) * 2016-12-09 2017-05-10 广西北海浩邦新能源科技有限公司 Biomass carbonization method
CN106635090A (en) * 2016-12-09 2017-05-10 广西北海浩邦新能源科技有限公司 Carbonizing device
CN106949744A (en) * 2017-03-14 2017-07-14 南平元力活性炭有限公司 A kind of multistage heat energy stepped utilization system of fruit shell carbon production line and heat energy utilization method
CN109097078A (en) * 2018-09-21 2018-12-28 河南博顿生物科技有限公司 A kind of method that agricultural crop straw charing prepares biomass fuel

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104342178A (en) * 2014-11-03 2015-02-11 合肥工业大学 Biomass carbonizing method and biomass carbonizing device
CN105505415A (en) * 2016-02-03 2016-04-20 江苏河海给排水成套设备有限公司 Multi-section pyrolysis, boiling, carbonization and secondary oxidization treatment device for garbage
CN105505415B (en) * 2016-02-03 2018-05-18 江苏河海给排水成套设备有限公司 A kind of rubbish multistage pyrolysis boiling charing secondary oxidative treatments device
CN106336880A (en) * 2016-10-12 2017-01-18 湖北楚天生物质能源科技开发有限公司 Biomass granule continuous carbonization device
CN106635091A (en) * 2016-12-09 2017-05-10 广西北海浩邦新能源科技有限公司 Biomass carbonization method
CN106635090A (en) * 2016-12-09 2017-05-10 广西北海浩邦新能源科技有限公司 Carbonizing device
CN106949744A (en) * 2017-03-14 2017-07-14 南平元力活性炭有限公司 A kind of multistage heat energy stepped utilization system of fruit shell carbon production line and heat energy utilization method
CN109097078A (en) * 2018-09-21 2018-12-28 河南博顿生物科技有限公司 A kind of method that agricultural crop straw charing prepares biomass fuel

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Granted publication date: 20150415

Termination date: 20171103