CN205501191U - Granulation living beings pyrolysis device of decoupling - Google Patents
Granulation living beings pyrolysis device of decoupling Download PDFInfo
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- CN205501191U CN205501191U CN201520968789.XU CN201520968789U CN205501191U CN 205501191 U CN205501191 U CN 205501191U CN 201520968789 U CN201520968789 U CN 201520968789U CN 205501191 U CN205501191 U CN 205501191U
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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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Abstract
The utility model provides a granulation living beings pyrolysis device of decoupling, the pyrolysis chamber is two mutual not communicating spaces with the flue gas passageway, in the pyrolytic process, the pyrolysis chamber is kept apart with the outside air completely, through the accurate control flue -gas temperature, the indirect heating pyrolysis chamber, make it to reach the temperature of appearing of gaseous fugitive constituent, gaseous fugitive constituent is appeared from the top of pyrolysis chamber, tar fugitive constituent and fixed carbon are still preserveed in the granulation living beings, thereby realize the gaseous fugitive constituent of granulation living beings, the tar fugitive constituent, the individualized of three not homogeneity comhustible component such as fixed carbon utilizes, different ingredient combustible substance reaction of combustion's defective coupling in the combustion chamber has been avoided, and the combustion efficiency can be increased, equipment safety has been ensured, reduce agriculture and forestry abandonment living beings inorganization and burned the pollutant emission that arouses, the high value utilization of agriculture and forestry abandonment living beings has been realized, the synergistic preparation compound has obvious economic and environmental benefit.
Description
Technical field
The present invention relates to the preparation facilities of a kind of pelletize biomass pyrolytic, particularly to the decoupling pyrolysis installation of the pelletize biomass with agricultural abandoned biomass as raw material, belong to biomass energy utilization technologies field.
Background technology
Worsening shortages and the people's continuous enhancing to environmental consciousness along with fossil resources, the Chinese government requires forbid the agricultural abandoned biomass such as inorganization crop straw burning and realize recycling, but owing to straw volume is big, density is little, it is high to collect cost of transportation, it is necessary to find the feasible method reducing recycling cost.
Biomass granulation is one of main method of agricultural abandoned biomass recycling in recent years, the comhustible component of pelletize biomass includes gaseous volatilization part of about 50%, the tar fugitive constituent of about 25% and part fixed carbon, but the directly burning of the pelletize biomass fuel burning technology of routine completes in same reaction compartment, in combustion, gaseous volatilization part of pelletize biomass, tar fugitive constituent, fixed carbon and the pyrolysis of ash, gasification, burning, the reactions such as reformation are lumped together, easily produce various reaction coupling, such as: pyrolysis oil is it may happen that meet again or decompose, or cracked by hydrogen, pyrolysis oil, gaseous state CmHn may be with the steam of dry generation, CO2Deng reaction, pyrolysis oil and gaseous state CmHn is occurred to reform；Pyrolysis gas and the outside O leaked into2Burn；H2、CO、CO2, steam there is transformationreation also by CO, non-flammable ash (silicon, potassium, the oxide of sodium and salt) is easily generated coking etc. because ash fusion point is low, thus causes the adverse consequencess such as pelletize biomass combustion efficiency is low, jeopardize equipment safety, fume emission exceeds standard.
For this, people begin one's study pelletize biomass decoupling combustion device and combustion method (such as: number of patent application 200710064531.7) thereof, carry out in the region different two temperature respectively with burning by the pyrolysis of pelletize biomass, slow down pyrolysis rate and the unmatched contradiction of burning velocity, by reorganizing fugitive constituent and the burning of semicoke, relieve different pollutant and generate the coupling of process, reduce incomplete combustion loss, decrease the discharge capacity of the pollutant such as CO, NO.
But, the pyrolytic process of said apparatus, pelletize biomass communicate at furnace bottom with flue gas, and the gaseous volatilization part in once pelletize biomass separates out, and cross oxygen quotient higher, detonation easily occurs, there is the biggest potential safety hazard in flue gas.
Summary of the invention
It is an object of the invention to provide a kind of pelletize biomass decoupling pyrolysis installation, pyrolysis chamber and exhaust gases passes are two not connected spaces, in pyrolytic process, pyrolysis chamber is completely isolated with outside air, by being precisely controlled flue-gas temperature, indirectly heat pyrolysis chamber, make up to the Precipitation Temperature of gaseous volatilization part, gaseous volatilization part separates out from the top of pyrolysis chamber, tar fugitive constituent and fixed carbon are still deposited in pelletize biomass, thus realize pelletize biomass gas fugitive constituent, tar fugitive constituent, the personalized utilization of not homogeneity comhustible component such as three, fixed carbon etc., the bad coupling of different component combustible combustion reactions in avoiding combustor, improve efficiency of combustion, ensure equipment safety, decrease flue gas pollutant discharge.
The method of the present invention with and device low-grade biomass energy can be converted into high-grade gas and solid fuel, solve potential safety hazard and agricultural abandoned biomass high-value-use problem that prior art exists.
The technical scheme is that
The workflow of a kind of pelletize biomass decoupling pyrolysis installation comprises the following steps:
(1) pelletize biomass are loaded in pyrolysis chamber 10 by charging aperture 25, make the volume of pelletize biomass account for the 75%～80% of pyrolysis chamber 10 internal volume by charging: close the discharge valve 18 of pyrolysis chamber 10；
(2) seal: the charging of pelletize biomass is complete, is closing and sealing off by material inlet valve 24, makes extraneous air will not enter pyrolysis chamber 10；
null(3) pyrolysis: open gas fume valve 2，Flue gas passes through gas approach 1、Bottom smoke chamber 22、Smoke chamber 3、After array heat exchanger tube 16，Sent by exhanst gas outlet 6，The heat of flue gas passes through bottom smoke chamber 22、Smoke chamber 3、Pelletize biomass are heated by the heat transfer effect of array heat exchanger tube 16 and fin 5，Measurement by temperature sensor 14，Adjust and enter cigarette temperature at gas approach 1，The internal temperature making pyrolysis chamber 10 is maintained at the low Warm status of 200 DEG C～400 DEG C，Pelletize biomass are heated indirectly when completely cutting off air，Through upper described heating 20～after 40 minutes，Gaseous volatilization part in pelletize biomass separates out under low Warm status，Owing to above-mentioned pyrolysis is carried out under airfree sealing low-heat condition，Gaseous volatilization part in pelletize biomass in pyrolysis chamber 10 separates out completely，Become biogas，And tar fugitive constituent and fixed carbon are still retained wherein，Pelletize biomass become biomass carbon；
After being pyrolyzed, fugitive constituent produced by pelletize biomass 9 is carried out gas conveying by fugitive constituent outlet, as with the direct-furnish gas in gas place, after trace low temperature tar is condensed by water collar 8, being collected by pyrolysis oil outlet 7, pelletize biomass are deposited in pyrolysis chamber 10；
(4) solids exit: open material inlet valve 24, opens discharge valve 18, and biomass moulding carbon granule is released from discharging opening 17, puts in rewinding go-cart 20.
Pelletize biomass decoupling pyrolysis installation includes with lower part:
Gas approach 1, gas fume valve 2, smoke chamber 3, pyrolysis chamber's shell 4, fin 5, exhanst gas outlet 6, pyrolysis oil outlet 7, water collar 8, fugitive constituent outlet 9, pyrolysis chamber 10, relief valve 11, heat-insulation layer 12, pyrolysis chamber's cavity wall 13, temperature sensor 14, temperature-measuring port 15, array heat exchanger tube 16, discharging opening 17, discharge valve 18, pyrolysis chamber's support 19, rewinding go-cart 20, stent foot 21, bottom smoke chamber 22, bottom heat exchanger tube 23, material inlet valve 24, charging aperture 25.
Multiple vertical smoke chamber 3 it is respectively provided with in the left and right sides of the inwall of pyrolysis chamber's cavity wall 13, the smoke chamber of the left and right sides is for be crisscross arranged up and down, it is respectively provided with smoke chamber 22 bottom an oblique angle in the left and right sides of the bottom of pyrolysis chamber's cavity wall 13, bottom the oblique angle of the left and right sides, smoke chamber is in eight shape, the inner side of smoke chamber 3 is provided for inserting the circular hole of array heat exchanger tube 16, multilamellar double array heat exchanger tube 16 and a root bottom part heat exchanger tube 23 are set on the inwall of pyrolysis chamber's cavity wall 13, the outside of array heat exchanger tube 16 arranges multiple fin 5, the fin 5 outside array heat exchanger tube 16 facing layer is crisscross arranged, bottom heat exchanger tube 23 be arranged above with multiple fin 5；
In the centre of pyrolysis chamber's cavity wall 13 and pyrolysis chamber's shell 4, heat-insulation layer 12 is set, the top of pyrolysis chamber 10 arranges relief valve 11, the left upper portion of pyrolysis chamber 10 arranges fugitive constituent outlet 9, water collar 8 and pyrolysis oil outlet 7, the left side central portion of pyrolysis chamber 10 arranges exhanst gas outlet 6, and the left bottom of pyrolysis chamber 10 arranges gas approach 1；The right upper portion of pyrolysis chamber 10 arranges temperature-measuring port 15, inserts temperature sensor 14 in the middle of temperature-measuring port 15；The bottom of pyrolysis chamber 10 arranges discharging opening 17, and the outside of discharging opening 17 arranges discharge valve 18.
Owing to using technique scheme, advantage for present invention and good effect be: the pyrolysis chamber of the present invention and exhaust gases passes are two not connected spaces, in pyrolytic process, pyrolysis chamber is completely isolated with outside air, in avoiding combustor, the bad coupling of different component combustible combustion reactions, optimizes combustion conditions, decreases the discharge of the pollutant such as CO, NO, compact equipment, investment cost is low.
Accompanying drawing explanation
The present invention has following 6 width accompanying drawings:
Fig. 1 is the process chart of pelletize biomass of the present invention decoupling pyrolysis installation；
Fig. 2 is the front view of pelletize biomass of the present invention decoupling pyrolysis installation；
Fig. 3 is the sectional view A-A of pelletize biomass of the present invention decoupling pyrolysis installation；
Fig. 4 is the sectional view B-B of pelletize biomass of the present invention decoupling pyrolysis installation；
Fig. 5 is the side view of pelletize biomass of the present invention decoupling pyrolysis installation；
Fig. 6 is the flue gas flow direction schematic diagram of pelletize biomass of the present invention decoupling pyrolysis installation.
Description of reference numerals:
1. gas approach, 2. gas fume valve, 3. smoke chamber, 4. pyrolysis chamber's shell, 5. fin, 6. exhanst gas outlet, 7. pyrolysis oil outlet, 8. water collar, 9. fugitive constituent outlet, 10. pyrolysis chamber, 11. relief valve, 12. heat-insulation layers, 13. pyrolysis chamber's cavity wall, 14. temperature sensors, 15. temperature-measuring ports, 16. array heat exchanger tubes, 17. discharging openings, 18. discharge valves, 19. pyrolysis chamber's supports, 20. rewinding go-carts, 21. stent foots, smoke chamber bottom 22., heat exchanger tube bottom 23., 24. material inlet valves, 25. charging apertures, 26. flue gas flow directions.
Detailed description of the invention
1. seeing Fig. 1, the workflow of the present invention comprises the following steps:
(1) pelletize biomass are loaded in pyrolysis chamber 10 by charging aperture 25, make the volume of pelletize biomass account for the 75%～80% of pyrolysis chamber 10 internal volume by charging: close the discharge valve 18 of pyrolysis chamber 10；
(2) seal: the charging of pelletize biomass is complete, is closing and sealing off by material inlet valve 24, makes extraneous air will not enter pyrolysis chamber 10；
null(3) pyrolysis: open gas fume valve 2，Flue gas passes through gas approach 1、Bottom smoke chamber 22、Smoke chamber 3、After array heat exchanger tube 16，Sent by exhanst gas outlet 6，The heat of flue gas passes through bottom smoke chamber 22、Smoke chamber 3、Pelletize biomass are heated by the heat transfer effect of array heat exchanger tube 16 and fin 5，Measurement by temperature sensor 14，Adjust and enter cigarette temperature at gas approach 1，The internal temperature making pyrolysis chamber 10 is maintained at the low Warm status of 200 DEG C～400 DEG C，Pelletize biomass are heated indirectly when completely cutting off air，Through upper described heating 20～after 40 minutes，Gaseous volatilization part in pelletize biomass separates out under low Warm status，Owing to above-mentioned pyrolysis is carried out under airfree sealing low-heat condition，Gaseous volatilization part in pelletize biomass in pyrolysis chamber 10 separates out completely，Become biogas，And tar fugitive constituent and fixed carbon are still retained wherein，Pelletize biomass become biomass carbon；
After being pyrolyzed, fugitive constituent produced by pelletize biomass 9 is carried out gas conveying by fugitive constituent outlet, as with the direct-furnish gas in gas place, after trace low temperature tar is condensed by water collar 8, being collected by pyrolysis oil outlet 7, pelletize biomass are deposited in pyrolysis chamber 10；
(4) solids exit: open material inlet valve 24, opens discharge valve 18, and biomass moulding carbon granule is released from discharging opening 17, puts in rewinding go-cart 20.
2. see Fig. 2 to Fig. 6, the pelletize biomass decoupling pyrolysis installation of the present invention, including with lower part:
Gas approach 1, gas fume valve 2, smoke chamber 3, pyrolysis chamber's shell 4, fin 5, exhanst gas outlet 6, pyrolysis oil outlet 7, water collar 8, fugitive constituent outlet 9, pyrolysis chamber 10, relief valve 11, heat-insulation layer 12, pyrolysis chamber's cavity wall 13, temperature sensor 14, temperature-measuring port 15, array heat exchanger tube 16, discharging opening 17, discharge valve 18, pyrolysis chamber's support 19, rewinding go-cart 20, stent foot 21, bottom smoke chamber 22, bottom heat exchanger tube 23, material inlet valve 24, charging aperture 25.
3. the left and right sides at the inwall of described pyrolysis chamber's cavity wall 13 is respectively provided with multiple vertical smoke chamber 3, the smoke chamber of the left and right sides is staggered up and down to be disposed, it is respectively provided with smoke chamber 22 bottom an oblique angle in the left and right sides of the bottom of pyrolysis chamber's cavity wall 13, bottom the oblique angle of the left and right sides, smoke chamber is in eight shape, the inner side of smoke chamber 3 is provided for inserting the circular hole of array heat exchanger tube 16, multilamellar double array heat exchanger tube 16 and a root bottom part heat exchanger tube 23 are set altogether on the inwall of pyrolysis chamber's cavity wall 13, the outside of array heat exchanger tube 16 arranges multiple fin 5, bottom heat exchanger tube 23 be arranged above with multiple fin 5.
4. the centre in described pyrolysis chamber's cavity wall 13 and pyrolysis chamber's shell 4 arranges heat-insulation layer 12, and the top of pyrolysis chamber 10 is arranged
Relief valve 11, water collar 8, the left upper portion of pyrolysis chamber 10 arrange fugitive constituent outlet 9 and pyrolysis oil exports 7, and the left side central portion of pyrolysis chamber 10 arranges exhanst gas outlet 6, and the left bottom of pyrolysis chamber 10 arranges gas approach 1；The right upper portion of pyrolysis chamber 10 arranges temperature-measuring port 15, inserts temperature sensor 14 in the middle of temperature-measuring port 15；The bottom of pyrolysis chamber 10 arranges discharging opening 17, and the outside of discharging opening 17 arranges discharge valve 18.
5. pyrolysis chamber 10 is the key equipment in whole system, and when device manufactures, gas approach 1, bottom smoke chamber 22, smoke chamber 3, array heat exchanger tube 16 and exhanst gas outlet 6 must be completely isolated with pyrolysis chamber 10, must not have gas leak phenomenon；During pyrolysis, it is necessary to sealed feed inlet 25 and discharging opening 17, extraneous air must not enter pyrolysis chamber.
6. for ensureing that discharge valve 18 and the sealing effectiveness of material inlet valve 24, discharge valve 18 and material inlet valve 24 use two-door interlocked valve.
Claims (2)
- null1. a pelletize biomass decoupling pyrolysis installation，Including gas approach (1)、Gas fume valve (2)、Smoke chamber (3)、Pyrolysis chamber's shell (4)、Fin (5)、Exhanst gas outlet (6)、Pyrolysis oil outlet (7)、Water collar (8)、Fugitive constituent outlet (9)、Pyrolysis chamber (10)、Relief valve (11)、Heat-insulation layer (12)、Pyrolysis chamber's cavity wall (13)、Temperature sensor (14)、Temperature-measuring port (15)、Array heat exchanger tube (16)、Discharging opening (17)、Discharge valve (18)、Pyrolysis chamber's support (19)、Rewinding go-cart (20)、Stent foot (21)、Bottom smoke chamber (22)、Bottom heat exchanger tube (23)、Material inlet valve (24) and charging aperture (25)，Pyrolysis chamber (10) and exhaust gases passes are two not connected spaces，Pyrolysis chamber (10) is completely isolated with outside air；It is characterized in that: be respectively provided with multiple vertical smoke chamber (3) in the left and right sides of the inwall of pyrolysis chamber's cavity wall (13), the smoke chamber of the left and right sides is for be crisscross arranged up and down, smoke chamber (22) bottom an oblique angle it is respectively provided with in the left and right sides of the bottom of pyrolysis chamber's cavity wall (13), bottom the oblique angle of the left and right sides, smoke chamber is in eight shape, the inner side of smoke chamber (3) is provided for inserting the circular hole of array heat exchanger tube (16), multilamellar double array heat exchanger tube (16) and a root bottom part heat exchanger tube (23) are set on the inwall of pyrolysis chamber's cavity wall (13), the outside of array heat exchanger tube (16) arranges multiple fin (5), the fin (5) of array heat exchanger tube (16) outside facing layer is crisscross arranged, bottom heat exchanger tube (23) be arranged above with multiple fin (5).
- nullPelletize biomass the most according to claim 1 decoupling pyrolysis installation，It is characterized in that: in the centre of pyrolysis chamber's cavity wall (13) and pyrolysis chamber's shell (4), heat-insulation layer (12) is set，The top of pyrolysis chamber (10) arranges relief valve (11)，The left upper portion of pyrolysis chamber (10) arranges fugitive constituent outlet (9)、Water collar (8) and pyrolysis oil outlet (7)，The left side central portion of pyrolysis chamber (10) arranges exhanst gas outlet (6)，The left bottom of pyrolysis chamber (10) arranges gas approach (1)，The right upper portion of pyrolysis chamber (10) arranges temperature-measuring port (15)，Temperature sensor (14) is inserted in the middle of temperature-measuring port (15)，The bottom of pyrolysis chamber (10) arranges discharging opening (17)，The outside of discharging opening (17) arranges discharge valve (18)，Discharge valve (18) and material inlet valve (24) are two-door interlocked valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520968789.XU CN205501191U (en) | 2015-11-18 | 2015-11-18 | Granulation living beings pyrolysis device of decoupling |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520968789.XU CN205501191U (en) | 2015-11-18 | 2015-11-18 | Granulation living beings pyrolysis device of decoupling |
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| CN205501191U true CN205501191U (en) | 2016-08-24 |
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| CN201520968789.XU Expired - Fee Related CN205501191U (en) | 2015-11-18 | 2015-11-18 | Granulation living beings pyrolysis device of decoupling |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560319A (en) * | 2021-07-21 | 2021-10-29 | 中南大学 | Solvent gasification pyrolysis device and method for waste circuit board |
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- 2015-11-18 CN CN201520968789.XU patent/CN205501191U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113560319A (en) * | 2021-07-21 | 2021-10-29 | 中南大学 | Solvent gasification pyrolysis device and method for waste circuit board |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20191118 |
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| CF01 | Termination of patent right due to non-payment of annual fee |