CN201990632U - Spirally push type low-temperature pyrolysis carbonizing furnace - Google Patents
Spirally push type low-temperature pyrolysis carbonizing furnace Download PDFInfo
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- CN201990632U CN201990632U CN2011200769294U CN201120076929U CN201990632U CN 201990632 U CN201990632 U CN 201990632U CN 2011200769294 U CN2011200769294 U CN 2011200769294U CN 201120076929 U CN201120076929 U CN 201120076929U CN 201990632 U CN201990632 U CN 201990632U
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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
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
Abstract
The utility model discloses a spirally push type low-temperature pyrolysis carbonizing furnace comprising a bracket and a furnace body, wherein a feed port and a discharge port are arranged on the furnace body, the furnace body consists of an internal heating cylinder and an external heating cylinder which are sheathed together, the tail end of the internal heating cylinder penetrates through the external heating cylinder, a tail gas outlet is arranged at the tail end of the internal heating cylinder, the external heating cylinder is provided with a high-temperature smoke inlet and a high-temperature smoke outlet, a plurality of guide plates are arranged on the outer wall of the external heating cylinder and the internal heating cylinder in a staggering manner, a plurality of hollow conveying screw rods are arranged on the furnace body in a penetrating manner, and an electric or smoke heating device is arranged inside the furnace body. Due to adoption of the double-layer sleeve structure and a spirally push type pyrolysis carbonization mode as well as arrangement of the tail gas outlet at the tail end of the internal heating cylinder, the spirally push type low-temperature pyrolysis carbonizing furnace has the advantages of wide raw material adaptability, simple structure, capability of fully utilizing tail gas residual heat and low-grade pyrolysis carbonizing gas, high thermal efficiency and the like.
Description
Technical field
The utility model relates to a kind of charring furnace, refers more particularly to a kind of screw-pushing type low temperature pyrogenation charring furnace.
Background technology
Biomass energy accounts for 14% of world energy sources wastage in bulk or weight, is only second to oil, coal and Sweet natural gas, occupies the 4th.It has characteristics such as low-sulfur, low nitrogen, high-volatile, the burnt activity of high ash, the clean discharging of zero CO2 as renewable energy source, has special advantages aspect energy utilization and the environment protection.
Biomass pyrolytic charing technology is that a kind of very promising biomass energyization is utilized one of technology, according to the difference of pyrolysis charring temperature, the biomass pyrolytic charring process can be divided into again low temperature pyrogenation, in warm separating and three kinds of high temperature pyrolysis.The charing of biomass low temperature pyrogenation generates three kinds of products such as pyrolysis gas, bio-oil and biomass charcoal after biomass material is passed through the pyrolysis charring device.But there is shortcoming such as handle that biomass material is single, the biomass charcoal productive rate is low, using waste heat from tail gas and low-grade pyrolysis charring gas are not fully utilized in present low temperature pyrogenation charring furnace.
The utility model content
Technical problem to be solved in the utility model is: a kind of simple in structure, short screw-pushing type low temperature pyrogenation charring furnace that also can make full use of using waste heat from tail gas and low-grade pyrolysis charring gas of carbonization time of working continuously of handling multiple biomass is provided.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: screw-pushing type low temperature pyrogenation charring furnace, comprise: support, body of heater, body of heater is provided with opening for feed and discharge port, described body of heater comprises internal heating tube and the outer cartridge heater that is set-located, internal heating tube end passes outer cartridge heater, internal heating tube end is provided with the tail gas outlet, outer cartridge heater is provided with high-temperature flue gas import and high-temperature flue gas outlet, some flow deflectors have been shifted to install on outer cartridge heater inwall and the internal heating drum outer wall, be equipped with some feeding spiro rods on the body of heater, described discharge port is provided with blocking valve.
Described opening for feed is provided with feeding warehouse, and feeding warehouse comprises casing and case lid, and case lid is provided with protection gas inlet and agitator inlet, also is provided with feeding-passage on the case lid, and feeding-passage is provided with the feed control valve.
The casing hypomere of described feeding warehouse is arranged with heat exchanger tube, is provided with heat transfer tube in the heat exchanger tube, and heating tube is connected by the outlet of the high-temperature flue gas on pipe connecting and the described outer cartridge heater.
Described feeding spiro rod is the feeding spiro rod of hollow, and inside is provided with electricity or Smoke-heating device.
The utility model has the advantages that: owing to adopt double-layer sleeve structure and heating unit is set in the feeding spiro rod inside of hollow, not only avoided the influence of high-temperature flue gas to biomass carbonated process, improved the carbonization product quality, and the inflammable gas and the flue gas of the generation of pyrolysis charring process can be separated utilization again, improved the thermo-efficiency of device, the energy of realizing the pyrolysis charring process is from supplying with; Because the casing hypomere at feeding warehouse is arranged with cartridge heater, uses the fume afterheat dried biomass raw material that comes out from outer cartridge heater, has improved whole thermo-efficiency.
Owing to shifted to install some flow deflectors on outer cartridge heater inwall and the internal heating drum outer wall, improved the homogeneity of internal heating tube heat exchange wall surface temperature.
Owing to adopt screw-pushing type pyrolysis charring mode, have characteristics such as adaptability to raw material is wide, simple in structure flexibly, operation is convenient, and guaranteed the continuous operation of biomass low temperature pyrogenation carbonization reaction, and can effectively control the residence time of material pyrolysis charring.
Description of drawings
Fig. 1 screw-pushing type low temperature pyrogenation charring furnace structural representation.
The screw-pushing type low temperature pyrogenation charring furnace body of heater cross-sectional schematic of Fig. 2 list feeding spiro rod.
The screw-pushing type low temperature pyrogenation charring furnace body of heater cross-sectional schematic of Fig. 3 lose-lose material screw rod.
Fig. 4 screw-pushing type low temperature pyrogenation charring furnace workflow diagram.
Among the figure: 1. support, 2. opening for feed, 3. discharge port, 4. internal heating tube, 41. tail gas outlet, 5. outer cartridge heater, 51 high-temperature flue gas imports, the outlet of 52. high-temperature flue gas, 6 flow deflectors, 7. feeding spiro rod, 8. blocking valve, 9. feeding warehouse, 91. casings, 92. case lids, 921. are protected gas inlets, 922. agitators inlet, 923. feeding-passages, 10. motor, 11. heating units, 12. bearings, 13. shaft couplings, 14. heat exchanger tubes, 15. pipe connectings, 16. heat transfer tubes.
Embodiment
Describe particular content of the present utility model in detail below in conjunction with the drawings and specific embodiments.
As Fig. 1, shown in Figure 2, the embodiment 1 of screw-pushing type low temperature pyrogenation charring furnace described in the utility model: screw-pushing type low temperature pyrogenation charring furnace, comprise: support 1, body of heater, body of heater is provided with opening for feed 2 and discharge port 3, described body of heater comprises internal heating tube 4 and the outer cartridge heater 5 that is set-located, internal heating tube 4 ends pass outer cartridge heater 5, internal heating tube 4 ends are provided with tail gas outlet 41, discharge port 3 also is arranged on internal heating tube 4 ends, outer cartridge heater 5 is provided with high-temperature flue gas import 51 and high-temperature flue gas outlet 52, some flow deflectors 6 have been shifted to install on outer cartridge heater 5 inwalls and internal heating tube 4 outer walls, be equipped with a feeding spiro rod 7 on the body of heater, described feeding spiro rod 7 is connected with motor 10 by shaft coupling 13, and described feeding spiro rod 7 is the feeding spiro rod 7 of hollow, and inside is provided with Smoke-heating device 11.Described opening for feed 2 is provided with feeding warehouse 9, and feeding warehouse 9 comprises casing 91 and case lid 92, and case lid 92 is provided with protection gas inlet 921 and agitator inlet 922, also is provided with feeding-passage 923 on the case lid 92, and feeding-passage 923 is provided with the feed control valve.Casing 91 hypomeres of described feeding warehouse 9 are arranged with heat exchanger tube 14, are provided with heat transfer tube 16 in the heat exchanger tube 14, and heating tube 16 is connected by the outlet of the high-temperature flue gas on pipe connecting 15 and the described outer cartridge heater 5 52.
Described discharge port 2 is provided with blocking valve 8.Body of heater and feeding spiro rod 7 are arranged on the support 1 by the bearing 12 at feeding spiro rod 7 two ends.
The embodiment 2 of screw-pushing type low temperature pyrogenation charring furnace described in the utility model: the structure of feeding spiro rod 7 described in the utility model can also be lose-lose material screw-rod structure as shown in Figure 4, and the many feeding spiro rods structure that further develops thus.
Owing to adopt double-layer sleeve structure and heating unit 11 be set in feeding spiro rod 7 inside of hollow, not only avoided the influence of high-temperature flue gas to biomass carbonated process, improved the carbonization product quality, and the inflammable gas and the flue gas of the generation of pyrolysis charring process can be separated utilization again, improved the thermo-efficiency of device, the energy of realizing the pyrolysis charring process is from supplying with; Because the casing hypomere at feeding warehouse 9 is arranged with heat exchanger tube 14, uses the fume afterheat dried biomass raw material that comes out from outer cartridge heater 5, has improved whole thermo-efficiency.
Owing to shifted to install some flow deflectors 6 on outer cartridge heater 5 inwalls and internal heating tube 4 outer walls, improved the homogeneity of internal heating tube 5 heat exchange wall surface temperatures.
Owing to adopt screw-pushing type pyrolysis charring mode, have characteristics such as adaptability to raw material is wide, simple in structure flexibly, operation is convenient, and guaranteed the continuous operation of biomass low temperature pyrogenation carbonization reaction, and can effectively control the residence time of material pyrolysis charring.
As shown in Figure 4 for using screw-pushing type low temperature pyrogenation charring furnace described in the utility model to carry out biomass low temperature pyrogenation charing flow process, enter internal heating tube 4 through pre-treatment and exsiccant biomass material by feeding warehouse 9, by heating by the high-temperature flue gas in the feeding spiro rod 7 of high-temperature flue gas between inside and outside cartridge heater and hollow, under feeding spiro rod 7 pushes, progressively finish dry and pyrolysis charring process, and form biomass carbonated product (mainly comprising: biomass charcoal, biogas and bio-oil).
Producing inflammable gas during the biomass pyrolytic charing is got rid of by tail gas outlet 41, form high-temperature flue gas through combustion unit burning back, mix the high-temperature flue gas that produces by combustion of natural gas in right amount as required, flue through between inside and outside cartridge heater carries out charing with the biomass material in the heat transferred internal heating tube 4 in the high-temperature flue gas, the flue gas that comes out from the flue between inside and outside cartridge heater enters the biomass materials that 14 pairs of heat exchanger tubes enter in the feeding warehouse 9 and carries out drying, and need could emptying after purifying for the flue gas of discharging at last.
Required high-temperature flue gas was produced by combustion of natural gas when in addition, screw-pushing type low temperature pyrogenation charring furnace started.
It is biomass carbonated to use screw-pushing type low temperature pyrogenation charring furnace described in the utility model to carry out, and biomass carbonated product yield can reach 0.5 ~ 0.7, and its power loss is about 10%.Therefore through after the low temperature pyrogenation charing, biomass calorific value and energy density are significantly improved, and are about 1.3 ~ 2 times of biomass material.The biomass material suitability is wide, can satisfy most of biomass low temperature pyrogenation charing requirement, the heat degree of self-sufficiency for moisture higher biomass material (greater than 15%) pyrolysis charring process reaches more than 90%, substantially do not need outside energize for moisture lower biomass material (less than 12%), pyrolysis charring process heat self-balancing can be realized, the highlyest 40% water ratio can be adapted to.
Claims (4)
1. screw-pushing type low temperature pyrogenation charring furnace, comprise: support, body of heater, body of heater is provided with opening for feed and discharge port, it is characterized in that: described body of heater comprises internal heating tube and the outer cartridge heater that is set-located, internal heating tube end passes outer cartridge heater, internal heating tube end is provided with the tail gas outlet, outer cartridge heater is provided with high-temperature flue gas import and high-temperature flue gas outlet, some flow deflectors have been shifted to install on outer cartridge heater inwall and the internal heating drum outer wall, be equipped with some feeding spiro rods on the body of heater, described discharge port is provided with blocking valve.
2. screw-pushing type low temperature pyrogenation charring furnace as claimed in claim 1; it is characterized in that: described opening for feed is provided with feeding warehouse; feeding warehouse comprises casing and case lid; case lid is provided with protection gas inlet and agitator inlet; also be provided with feeding-passage on the case lid, feeding-passage is provided with the feed control valve.
3. screw-pushing type low temperature pyrogenation charring furnace as claimed in claim 2, it is characterized in that: the casing hypomere of described feeding warehouse is arranged with heat exchanger tube, be provided with heat transfer tube in the heat exchanger tube, heating tube is connected by the outlet of the high-temperature flue gas on pipe connecting and the described outer cartridge heater.
4. screw-pushing type low temperature pyrogenation charring furnace as claimed in claim 1 is characterized in that: described feeding spiro rod is the feeding spiro rod of hollow, and inside is provided with electricity or Smoke-heating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200769294U CN201990632U (en) | 2011-03-22 | 2011-03-22 | Spirally push type low-temperature pyrolysis carbonizing furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200769294U CN201990632U (en) | 2011-03-22 | 2011-03-22 | Spirally push type low-temperature pyrolysis carbonizing furnace |
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| Publication Number | Publication Date |
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| CN201990632U true CN201990632U (en) | 2011-09-28 |
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| CN2011200769294U Expired - Lifetime CN201990632U (en) | 2011-03-22 | 2011-03-22 | Spirally push type low-temperature pyrolysis carbonizing furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154019A (en) * | 2011-03-22 | 2011-08-17 | 苏州辰昌新能源技术有限公司 | Spiral push type low temperature pyrolysis carbonation furnace |
| CN104449845A (en) * | 2014-12-05 | 2015-03-25 | 盐城环波能源科技有限公司 | Biomass waste sealed quantitative feeding device and using method thereof |
| CN107270295A (en) * | 2017-07-11 | 2017-10-20 | 盐城绿城环保科技有限公司 | A kind of organic solid waste Non-oxygen pyrolytic feed arrangement and feed process |
| CN107976010A (en) * | 2017-12-29 | 2018-05-01 | 上海电气集团股份有限公司 | Two-stage charging drying device, biomass gasifying furnace and two-stage charging drying means |
| CN110243158A (en) * | 2019-06-11 | 2019-09-17 | 浙江安尚电气有限公司 | A kind of Saw-dust drier convenient for feeding |
| CN111410972A (en) * | 2020-05-07 | 2020-07-14 | 闫新东 | Animal husbandry discarded object carbomorphism processing apparatus |
-
2011
- 2011-03-22 CN CN2011200769294U patent/CN201990632U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102154019A (en) * | 2011-03-22 | 2011-08-17 | 苏州辰昌新能源技术有限公司 | Spiral push type low temperature pyrolysis carbonation furnace |
| CN104449845A (en) * | 2014-12-05 | 2015-03-25 | 盐城环波能源科技有限公司 | Biomass waste sealed quantitative feeding device and using method thereof |
| CN104449845B (en) * | 2014-12-05 | 2016-09-14 | 盐城环波能源科技有限公司 | A kind of biomass garbage closed type metering device and using method |
| CN107270295A (en) * | 2017-07-11 | 2017-10-20 | 盐城绿城环保科技有限公司 | A kind of organic solid waste Non-oxygen pyrolytic feed arrangement and feed process |
| CN107976010A (en) * | 2017-12-29 | 2018-05-01 | 上海电气集团股份有限公司 | Two-stage charging drying device, biomass gasifying furnace and two-stage charging drying means |
| CN110243158A (en) * | 2019-06-11 | 2019-09-17 | 浙江安尚电气有限公司 | A kind of Saw-dust drier convenient for feeding |
| CN110243158B (en) * | 2019-06-11 | 2020-07-14 | 浙江安尚电气有限公司 | Saw-dust desiccator convenient to get material |
| CN111410972A (en) * | 2020-05-07 | 2020-07-14 | 闫新东 | Animal husbandry discarded object carbomorphism processing apparatus |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110928 Effective date of abandoning: 20130227 |
|
| RGAV | Abandon patent right to avoid regrant |