CN104946279A - Rotary sectional heating biomass continuous pyrolysis equipment - Google Patents
Rotary sectional heating biomass continuous pyrolysis equipment Download PDFInfo
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- CN104946279A CN104946279A CN201510291978.2A CN201510291978A CN104946279A CN 104946279 A CN104946279 A CN 104946279A CN 201510291978 A CN201510291978 A CN 201510291978A CN 104946279 A CN104946279 A CN 104946279A
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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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The invention discloses rotary sectional heating biomass continuous pyrolysis equipment, which mainly is composed of a feeding system, a drying chamber, a pre-pyrolysis chamber, a heat preservation pyrolysis chamber, a solid-gas separation system, a pyrolysis gas purification separation system, a gas regenerative system and a sealing system. By means of continuous closed feeding and discharge, continuous pyrolysis reaction is ensured. A rotary furnace adopts high temperature flue gas regeneration principle to provide heat source for biomass material pyrolysis. The pyrolysis temperature is adjusted by adjusting the air input. At the same time, two moveable heat insulation rings are employed in the rotary furnace jacket to divide pyrolysis into three parts: drying, pre-pyrolysis and heat preservation pyrolysis, and the length ratio and temperature of the three sections can be adjusted according to technological requirements.
Description
Technical field
The invention belongs to field of renewable energy technology, a kind of rotary type zone heating biomass continuous pyrolysis equipment, be specifically a set of equipment that raw material carries out low temperature pyrogenation charing and pyrolysis gas separation with biomass, the continuously carbonizing of different material, different technology conditions can be realized.
Background technology
Charcoal be biomass organic materials in anoxic or anoxybiotic environment, the solid product of hot cracked rear generation.Its aboundresources, of many uses, both can be used as the high-quality energy, also can be used as reductive agent, also can be used as soil improvement agent, fertilizer slow release carrier and carbon dioxide sequestration agent.
At present, due to the attention studied Biomass Pyrolysis Mechanism, some more significant achievements are created.Divide according to the continuous production of charcoal, carbonization device can be divided into intermittent type and continous way.Wherein intermittent type comprises tubular type, kiln formula and pyrolysis autoclave, because of its constructional feature, can not realize continuous conveying, charing and discharging process, can only carry out batch charing, be unfavorable for industrialization promotion.And continuous biomass carbonization device can realize the continuous seepage of charcoal, gas-oil separation and collection device are installed, the continuous seepage of charcoal-oil-gas can be realized.
Continous way pyrolysis charring equipment is mainly concentrated on that gravity is vertical-flow, agitating auger formula and centrifugal rotation formula three types, wherein: the vertical-flow continuously carbonizing device characteristic of gravity is generally fixing part in Reaktionsofen, easy processing and manufacturing, and in course of conveying, utilize self gravitation to fall, do not need extra drive disk assembly, running cost is low; But it exists raw material inequality of being heated causes charing uneven, easily causes coking slagging scorification to cause equipment normally not run during temperature control misoperation, the problems such as the charcoal quality of production is inconsistent; Agitating auger formula continuously carbonizing device characteristic is that the rotation of screw auger makes raw material constantly mix, and therefore carbonization process Raw is heated evenly; But there is the amount of deflection problem of screw shaft in it, long screw shaft easily produces larger amount of deflection and the wearing and tearing of packing auger blade and furnace wall is aggravated, and under the high temperature conditions because screw shaft physical strength is lower, wear pattern is more serious, therefore agitating auger formula is by limitation of length, generally no more than 3 meters; And the revolution that centrifugal rotation formula continuously carbonizing device characteristic is body of heater can make material produce a centrifugal force, material is affixed to furnace wall under the influence of centrifugal force and improves heat transfer efficiency, in materials overturning mixing process, make charing evenly, in addition, rotary type carbonizing apparatus is because body of heater is rotatable parts, by in the body of heater amount of deflection that transversely extension supporting promise is less, therefore rotary type carbonizing apparatus has not by scale restriction and carbonizes the advantages such as even.
In industrialization promotion, pyrolysis efficiency height and save energy are projecting motifs, therefore pyrolytic process of how can fitting improves charcoal productive rate and quality, and how in pyrolysis charring process, to reduce power loss, efficiency utilization limited resources are following development trend.
Summary of the invention
The pyrolysis efficiency that the object of the invention is to exist in biomass pyrolytic technology existing described in technical solution background is low, power loss this problem serious, a kind of rotary type zone heating biomass continuous pyrolysis equipment is disclosed, this equipment have employed high-temp combustion gas residual heat recovery principle, designs the pyrolysis oven of adjustable zone heating.Mainly comprise and mainly comprise feed system (1), kiln (2), pre-pyrolysis chamber (3), insulation pyrolysis chamber (4), solid and gas separation system (5), pyrolysis gas purification separation system (6), gas heat regenerative system (7) and tightness system (8).Feed system (1) connects rotary kiln by mechanical dynamic seal one (104), rotary kiln rear end connects solid and gas separation system (5) through mechanical dynamic seal two (402) again, pyrolysis gas purification separation system (6) is connected to the upper end of solid and gas separation system (5), rear end connects gas heat regenerative system (7), and the high-temperature gas after burning passes into kiln (2), pre-pyrolysis chamber (3) and is incubated pyrolysis chamber (4) and provides heat by gas heat regenerative system (7) more respectively.
Described rotary type zone heating biomass continuous pyrolysis equipment, revolution furnace wall (709) outer cover has insulation furnace wall (710), and the hollow space between revolution furnace wall (709) and insulation furnace wall (710) passes into the high-temperature flue gas after burning in combustion chamber (704).
Described rotary type zone heating biomass continuous pyrolysis equipment, gas heat regenerative system (7) is connected to pyrolysis gas purification separation system (6) rear end, comprise roots blower (701), electromagnetic flow valve (702), under meter (703) and combustion chamber (704), the rear end of three combustion chambers (704) connects kiln (2), pre-pyrolysis chamber (3) respectively and is incubated pyrolysis chamber (4).
Described rotary type zone heating biomass continuous pyrolysis equipment, three combustion chamber (704) front ends are all connected with electromagnetic flow valve (702), electromagnetic flow valve (702) can set different charge flow rates, different heats is produced, to realize kiln (2), pre-pyrolysis chamber (3) and the regulation and control being incubated pyrolysis chamber (4) Heating temperature after different charge flow rate burnings.
Described rotary type zone heating biomass continuous pyrolysis equipment, between kiln (2) and pre-pyrolysis chamber (3), packaged type thermal baffle (711) is respectively equipped with between pre-pyrolysis chamber (3) and insulation pyrolysis chamber (4), thermal baffle (711) and revolution furnace wall (709) and be incubated between furnace wall (710) and adopt two-way soft packing seal mode, thermal baffle (711) two ends welding tooth bar (707), tooth bar (707) stretches out outside stove and upper end and engages with adjusting gear (706), lower end is attached on horizontal scale line (708), the moving range of thermal baffle (711) is limited between the axial 1/4-1/2 of rotary kiln, kiln (2) is regulated by adjusting gear (706), the burst length of pre-pyrolysis chamber (3) and insulation pyrolysis chamber (4), to meet different processing requirements.
Described rotary type zone heating biomass continuous pyrolysis equipment, two-way soft packing seal mode comprises gland (801), gland pin (802), filler (803), shelves ring (804) and annulus (805) composition, shelves ring (804) and filler (803) adopt symmetrical expression to install, be sealed between revolution furnace wall (709) and insulation furnace wall (710) respectively, sealing mode is applicable to reciprocating and rotary type motion.
Described rotary type zone heating biomass continuous pyrolysis equipment, kiln (2), pre-pyrolysis chamber (3) and insulation pyrolysis chamber (4) inner chamber are welded with internal helical blades (301), internal helical blades (301) does turning motion with pyrolysis oven, internal helical blades (301) makes the transfer rate of material be controlled, to meet the regulation and control to residence time of material.
Described rotary type zone heating biomass continuous pyrolysis equipment, feed system (1) comprises air sealer (101), frequency modulation motor (102) and screw auger (103), frequency modulation motor (102) controls the rotating speed of screw auger (103), changes the size of inlet amount.
Specifically, patent of the present invention compared with prior art has following advantage:
1) the rotary type zone heating biomass continuous pyrolysis equipment in the present invention, adopt adjustable segmentation pyrolysis principle, according to the pyrolytic process of different material, the burst length of its kiln conveniently adjusted, in advance pyrolysis chamber and insulation pyrolysis chamber, to produce the charcoal of different quality.
2) the gas heat regenerative system in the present invention, the flow of combustible gas is regulated by the aperture changing air intake valve in burner, the different heats produced after the burning of gas with various flow pass into in pyrolysis oven, control the temperature of pyrolysis oven, overcome the uncontrollable difficult problem of temperature in high-temperature gas reuse process.
Accompanying drawing explanation
Fig. 1 is rotary type zone heating biomass continuous pyrolysis device structure schematic diagram;
Fig. 2 is rotary type zone heating biomass continuous pyrolysis insulating equipment plate setting device schematic diagram;
Fig. 3 is rotary type zone heating biomass continuous pyrolysis equipment two-way soft packing seal device schematic diagram;
As shown in FIG., 1--feed system, 2--kiln, the pre-pyrolysis chamber of 3--, 4--is incubated pyrolysis chamber, 5--solid and gas separation system, 6--pyrolysis gas purification separation system, 7--gas heat regenerative system, 8--tightness system, 101-feeding air seal machinery, 102--frequency modulation motor, 103--screw auger, 104--mechanical dynamic seal one, 301--internal helical blades, 401--mechanical dynamic seal two, 501--discharging air sealer, 502--carbon assembling bin, 601--cyclonic separator, 602--two-phase condensation separator, 603--three-phase condensation separator, 604--oil-collecting bottle, 605--collection bottle, 606--water washing dedust device, 701--roots blower, 702--electromagnetic flow valve, 703--under meter, 704--combustion chamber, 705--flue, 706--adjusting gear, 707--tooth bar, 708--horizontal scale line, 709--turns round furnace wall, 710--is incubated furnace wall, 711--thermal baffle, 801--gland, 802--gland pin, 803--filler, 804--baffle ring, 805--annulus.
Embodiment
Below in conjunction with drawings and Examples, concrete structure of the present invention and working process are further described.
As shown in the rotary type zone heating biomass continuous pyrolysis equipment schematic diagram of Fig. 1, material enters screw input feeder through air sealer, again through speed governing helical feed in rotary kiln, rotate through internal screw in rotary kiln and promote material successively through kiln, pre-pyrolysis chamber and insulation pyrolysis chamber, carry out being separated of charcoal and pyrolysis gas in solid and gas separation system after having carbonized, charcoal is collected in carbon assembling bin through discharging air sealer; Pyrolysis gas is removed after dust through tornado dust collector and is entered B-grade condensation separation system, in condensation separator, the bio-oil in pyrolysis gas and water are collected into oil-collecting bottle and collection bottle respectively, condensable gases does not push to gas heat regenerative system through roots blower, in heat regenerative system, electromagnetic valve controls the flow of gas, pass into and burn to combustion chamber, the high-temperature flue gas that burning produces, discharges out of the furnace in rotary kiln chuck for rotary kiln pyrolysis provides heat afterwards in dispatch.
As shown in the two-way soft packing seal device schematic diagram of Fig. 2, quote packing seal principle, adopt the inside and outside formula of wadding that the sealing ensured between rotary kiln and insulation furnace wall is installed.
As the rotary type zone heating biomass continuous pyrolysis insulating equipment plate setting device schematic diagram of Fig. 3, moved by adjusting gear band carry-over bar, and then pull the to-and-fro movement of wear ring, in order to change the length of interval of kiln, in advance pyrolysis chamber and insulation pyrolysis chamber.
According to above classification, the present invention is described as follows in conjunction with legend:
Embodiment: adopt maize straw to produce charcoal
Adopt rotary type zone heating biomass continuous pyrolysis device fabrication charcoal of the present invention, raw material is maize straw, and length is 3 ~ 4mm about, moisture 10 ~ 20%, the about 100kg/m of density
3open the startup electrothermal oven outside rotary kiln, temperature is risen to design temperature, again stalk is added in hopper, open air sealer and stalk is delivered in rotary kiln by feed auger, regulate thermal baffle to appropriate location, maize straw has carbonized when moving to solid and gas separate part, now charcoal is entered carbon assembling bin by discharging air sealer, pyrolysis gas mixture is entered gas-oil separation part, carries out insulation 200 DEG C at two-phase condenser, heavy tar is separated and collects, gas mixture enters oil-water-gas triphase separator more afterwards, is incubated 80 DEG C to triphase separator.Utilize stratification principle, water, lightweight oil are separated and collect, condensable gases is not transported to combustion chamber by the magnetic flow meter of adjustable air inflow after washing, high-temperature gas after the combustion of combustion chamber is delivered in the chuck of rotary kiln and insulation furnace wall, pyrolysis is carried out to biomass, now can close electrothermal oven power supply, the heat energy of pyrolysis gas burning meets the thermal source demand of self material pyrolysis, and the flue gas after burning is mainly disposed in air containing carbonic acid gas and water etc.
Finally it should be noted that, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from the spirit and scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (8)
1. a rotary type zone heating biomass continuous pyrolysis equipment, mainly comprise feed system (1), kiln (2), pre-pyrolysis chamber (3), insulation pyrolysis chamber (4), solid and gas separation system (5), pyrolysis gas purification separation system (6), gas heat regenerative system (7) and tightness system (8), it is characterized in that feed system (1) connects rotary kiln by mechanical dynamic seal one (104), rotary kiln rear end connects solid and gas separation system (5) through mechanical dynamic seal two (401) again, pyrolysis gas purification separation system (6) is connected to the upper end of solid and gas separation system (5), rear end connects gas heat regenerative system (7).
2. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1, it is characterized in that revolution furnace wall (709) outer cover has insulation furnace wall (710), the hollow space between revolution furnace wall (709) and insulation furnace wall (710) passes into the high-temperature flue gas after burning in combustion chamber (704).
3. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1, it is characterized in that gas heat regenerative system (7) is connected to pyrolysis gas purification separation system (6) rear end, comprise roots blower (701), electromagnetic flow valve (702), under meter (703) and combustion chamber (704), the rear end of three combustion chambers (704) connects kiln (2), pre-pyrolysis chamber (3) respectively and is incubated pyrolysis chamber (4).
4. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1 or 3, it is characterized in that three combustion chamber (704) front ends are all connected with electromagnetic flow valve (702), electromagnetic flow valve (702) can set different charge flow rates.
5. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1, it is characterized in that between kiln (2) and pre-pyrolysis chamber (3), packaged type thermal baffle (711) is respectively equipped with between pre-pyrolysis chamber (3) and insulation pyrolysis chamber (4), thermal baffle (711) and revolution furnace wall (709) and be incubated between furnace wall (710) and adopt two-way soft packing seal mode, thermal baffle (711) two ends welding tooth bar (707), tooth bar (707) stretches out outside stove and upper end and engages with adjusting gear (706), lower end is attached on horizontal scale line (708), the moving range of thermal baffle (711) is limited between the axial 1/4-1/2 of rotary kiln.
6. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1, it is characterized in that two-way soft packing seal mode comprises gland (801), gland pin (802), filler (803), baffle ring (804) and annulus (805) composition, filler (803) adopts graphite plate root timber material, baffle ring (804) and filler (803) adopt symmetrical expression to install, and are sealed in respectively between revolution furnace wall (709) and insulation furnace wall (710).
7. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1, it is characterized in that kiln (2), pre-pyrolysis chamber (3) and insulation pyrolysis chamber (4) inner chamber are welded with internal helical blades (301), internal helical blades (301) does turning motion with pyrolysis oven.
8. a kind of rotary type zone heating biomass continuous pyrolysis equipment according to claim 1, it is characterized in that feed system (1) comprises feeding air seal machinery (101), frequency modulation motor (102) and screw auger (103), frequency modulation motor (102) controls the rotating speed of screw auger (103).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510291978.2A CN104946279B (en) | 2015-06-01 | 2015-06-01 | Swinging heat stepwise biomass continuous pyrolysis equipment |
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| CN201510291978.2A CN104946279B (en) | 2015-06-01 | 2015-06-01 | Swinging heat stepwise biomass continuous pyrolysis equipment |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105219417A (en) * | 2015-10-16 | 2016-01-06 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and biomass are carried out to the method for pyrolysis |
| CN105694930A (en) * | 2016-03-09 | 2016-06-22 | 肖国雄 | Tunnel type intermittent biomass pyrolysis furnace |
| CN106595326A (en) * | 2016-12-09 | 2017-04-26 | 天津大学 | Efficient double-hot-trap solid bulk material waste heat recovery device |
| CN106958820A (en) * | 2017-03-23 | 2017-07-18 | 李学良 | A kind of solid combustible reclaims power generation and heat supply system |
| CN107033973A (en) * | 2017-05-26 | 2017-08-11 | 中国林业科学研究院林产化学工业研究所 | A kind of inside and outside hot integral biomass revolution pyrolytic gasification equipment and application |
| CN107099315A (en) * | 2017-05-27 | 2017-08-29 | 中信重工机械股份有限公司 | The separation method of water vapour and raw coke oven gas in low-order coal pyrolytic process |
| CN108709383A (en) * | 2018-06-01 | 2018-10-26 | 周封 | The conveying-type energy-saving boiling and drying equipment of multi-source subregion heat exchange |
| CN109609158A (en) * | 2019-02-12 | 2019-04-12 | 西北民族大学 | A kind of technique of catalytic pyrolysis of biomass reaction |
| CN110240919A (en) * | 2019-07-16 | 2019-09-17 | 洛阳佳易新能源技术有限公司 | A kind of stalk progressive solution extracts wood vinegar device and production technology |
| CN110730814A (en) * | 2017-04-06 | 2020-01-24 | 新加坡国立大学 | Organic waste treatment system |
| CN111468522A (en) * | 2020-05-09 | 2020-07-31 | 济南大学 | Device for manufacturing carbon-based slow-release fertilizer by using straws |
| CN111500302A (en) * | 2020-05-09 | 2020-08-07 | 济南大学 | Straw pyrolysis carbonization equipment |
| CN111534314A (en) * | 2020-05-08 | 2020-08-14 | 东南大学 | Sectional temperature control type waste tire continuous cracking reactor |
| CN112029521A (en) * | 2020-09-14 | 2020-12-04 | 长春理工大学 | Sectional type internal combustion continuous carbonization furnace |
| CN112899003A (en) * | 2021-02-02 | 2021-06-04 | 西安交通大学 | Multifunctional full-automatic biomass carbonization system and biomass carbonization method |
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105219417B (en) * | 2015-10-16 | 2017-05-03 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and biomass pyrolysis method |
| CN105219417A (en) * | 2015-10-16 | 2016-01-06 | 北京神雾环境能源科技集团股份有限公司 | Biomass pyrolysis system and biomass are carried out to the method for pyrolysis |
| CN105694930A (en) * | 2016-03-09 | 2016-06-22 | 肖国雄 | Tunnel type intermittent biomass pyrolysis furnace |
| CN106595326A (en) * | 2016-12-09 | 2017-04-26 | 天津大学 | Efficient double-hot-trap solid bulk material waste heat recovery device |
| CN106958820A (en) * | 2017-03-23 | 2017-07-18 | 李学良 | A kind of solid combustible reclaims power generation and heat supply system |
| CN110730814A (en) * | 2017-04-06 | 2020-01-24 | 新加坡国立大学 | Organic waste treatment system |
| CN107033973A (en) * | 2017-05-26 | 2017-08-11 | 中国林业科学研究院林产化学工业研究所 | A kind of inside and outside hot integral biomass revolution pyrolytic gasification equipment and application |
| CN107099315A (en) * | 2017-05-27 | 2017-08-29 | 中信重工机械股份有限公司 | The separation method of water vapour and raw coke oven gas in low-order coal pyrolytic process |
| CN108709383A (en) * | 2018-06-01 | 2018-10-26 | 周封 | The conveying-type energy-saving boiling and drying equipment of multi-source subregion heat exchange |
| CN109609158A (en) * | 2019-02-12 | 2019-04-12 | 西北民族大学 | A kind of technique of catalytic pyrolysis of biomass reaction |
| CN110240919A (en) * | 2019-07-16 | 2019-09-17 | 洛阳佳易新能源技术有限公司 | A kind of stalk progressive solution extracts wood vinegar device and production technology |
| CN111534314A (en) * | 2020-05-08 | 2020-08-14 | 东南大学 | Sectional temperature control type waste tire continuous cracking reactor |
| CN111468522A (en) * | 2020-05-09 | 2020-07-31 | 济南大学 | Device for manufacturing carbon-based slow-release fertilizer by using straws |
| CN111500302A (en) * | 2020-05-09 | 2020-08-07 | 济南大学 | Straw pyrolysis carbonization equipment |
| CN112029521A (en) * | 2020-09-14 | 2020-12-04 | 长春理工大学 | Sectional type internal combustion continuous carbonization furnace |
| CN112899003A (en) * | 2021-02-02 | 2021-06-04 | 西安交通大学 | Multifunctional full-automatic biomass carbonization system and biomass carbonization method |
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