CN103162286A - Biomass pyrolysis gas heat energy utilizing system - Google Patents
Biomass pyrolysis gas heat energy utilizing system Download PDFInfo
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- CN103162286A CN103162286A CN2011104271973A CN201110427197A CN103162286A CN 103162286 A CN103162286 A CN 103162286A CN 2011104271973 A CN2011104271973 A CN 2011104271973A CN 201110427197 A CN201110427197 A CN 201110427197A CN 103162286 A CN103162286 A CN 103162286A
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- biomass pyrolysis
- heat
- utilizing system
- fuel gas
- energy utilizing
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The invention relates to a biomass pyrolysis gas heat energy utilizing system which comprises an igniting unit, a heat storage section, a high temperature heat exchange unit and a low temperature heat exchange unit. According to the biomass pyrolysis gas heat energy utilizing system, the heat storage section is specially added as a combustion chamber according to characteristics of biomass pyrolysis gas and thermal insulation material is arranged inside the combustion chamber, and therefore furnace temperature fluctuation is effectively prevented, and combustion temperature is high. The combustion chamber is long enough to enable pyrolysis of the biomass pyrolysis gas to be complete, and therefore incomplete combustion or over-high local temperature is avoided, tar condensation is avoided, and loss of heat energy is reduced. The heat storage section is provided with two or more than two corners which are capable of changing flow directions of smoke, dust carried by the smoke loses speed and subsides due to direction change, and therefore the high temperature dust removing effect is achieved well, and the environment is protected from being polluted by the smoke with a high dust content. According to the biomass pyrolysis gas heat energy utilizing system, devices are connected in a flexible and high-temperature mode, and therefore influence of thermal expansion of the devices can be effectively eliminated.
Description
Technical field
The present invention relates to a kind of biomass pyrolysis fuel gas heat energy utilizing system.
Background technology
The energy is the basis that modern society depends on for existence and development, and the supply capacity substantial connection of the energy the sustainable development of national economy, is one of basis of national strategy safety guarantee.The situation is tense for the present energy resource supply of China, and the environmental quality burden is heavy.Due to the fossil energy reserves reduce day by day, oil price fluctuation is large, to the worry of energy security problem and to the concern of global warming, the development clean reproducible energy has become urgent problem, the new forms of energy industry presents high development.According to industrial background and the general situation of development of the regenerative resource of extensive demonstration, the Biomass Gasification ﹠ Power Generation take biomass energy as representative, biomass hydrogen energy, living beings green liquid fuel will become following important alternative energy source.Biomass energy belongs to clean energy resource, and the resource of the biological renewable energy of China is very abundant, and the extensive popularization and application of biological renewable energy helps to improve the ecological environment and CO
2Reduce discharging.
The heat energy utilization majority of biological fuel gas is only to adopt gas fired-boiler and economizer at present, make high-temperature flue gas and the water heat exchange of generation, yet the gas fired-boiler space is little, and do not have independent combustion chamber, the combustion space is little, the biological fuel gas cracking is insufficient, can not fully burn, when biological fuel gas fails fully to burn, flue gas flows out from gas fired-boiler, and the afterbody temperature of heat exchanger is lower in gas fired-boiler, tar in flue gas after the biomass fuel gas firing is easier to condense on heat exchanger tube, has a strong impact on stability and the heat exchange efficiency of equipment.The thermal conductivity factor of the ash in flue gas is very low in addition, grey deposition on the heat exchanger tube surface, the serious reduction heat exchange efficiency of meeting; And in emission gases, the content of ash is higher, does not meet environmental requirement.
Summary of the invention
The objective of the invention is to overcome above-mentioned deficiency a kind of biomass pyrolysis fuel gas heat energy utilizing system is provided.
Realize that the object of the invention technical scheme is: a kind of biomass pyrolysis fuel gas heat energy utilizing system has the igniting unit that connects successively perforation, heat accumulating sections, high temperature heat exchange unit, Low Temperature Thermal crosspoint.
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described igniting unit and heat accumulating sections adopt and flexibly connect, and adopting with the high temperature heat exchange unit of heat accumulating sections flexibly connects, and is connected by pipeline between high temperature heat exchange unit and Low Temperature Thermal crosspoint;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described igniting unit are combustion head, and itself and heat accumulating sections junction are provided with igniter;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described heat accumulating sections is the combustion chamber, has 2 flame detectors in the combustion chamber, is respectively infra red flame detector and ultraviolet flame checking unit;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described high temperature heat exchange unit is waste heat boiler or heat-conducting oil furnace;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described Low Temperature Thermal crosspoint is gas-gas heat exchanger or economizer;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described igniting unit, heat accumulating sections, the inwall of high temperature heat exchange unit and Low Temperature Thermal crosspoint is equipped with heat-insulation layer;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described heat accumulating sections has at least one turning;
Above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described heat accumulating sections are shaped as " Z " font, and front end is horizontal component, and middle-end is vertical component, and the rear end is horizontal component;
Netted deep bead of slant setting in above-mentioned biomass pyrolysis fuel gas heat energy utilizing system, described heat accumulating sections vertical component; The lower end of heat accumulating sections vertical component is provided with cleaning door.
The effect of igniting unit is that biological fuel gas is lighted flame through igniter, and the effect of heat accumulating sections is biomass burning combustion gas under high temperature, makes the abundant cracking of large molecule in biological fuel gas, thereby guarantees that biological fuel gas fully burns.
Whether the infra red flame detector in the combustion chamber is to burn for detection of biological fuel gas, and whether ultraviolet flame checking unit lights a fire for detection of igniter.The test point of infra red flame detector must be over against the biological fuel gas combustion flame, and avoids the heat accumulating sections furnace wall, in order to avoid disturb.
Biological fuel gas burns in the combustion chamber after the pyrogen igniter of combustion head is lighted, during burning, temperature is greater than 1050 ℃, high-temp combustion, condense without tar, carrying biomass ash secretly is the characteristic of biological fuel gas, the flue gas of high temperature and high speed when the combustion chamber at the combustion chamber corner part because the change of direction, large dust generation sedimentation, the fine dust of carrying in flue gas reduces at low-temperature heat exchange unit Yin Wendu, wind speed diminishes and sedimentation, when the dust accretions of sedimentation is more, can dust be removed from cleaning door, can not result in blockage.The temperature of the high-temperature flue gas that goes out through Combustor Flows reaches 900-1000 ℃, high-temperature flue gas in waste heat boiler with the heat exchange of water after enter gas gas interchanger inferior high-temperature flue gas reach 280 degrees centigrade of left and right, and then discharge the heat utilization of carrying out next step or the water of waste heat boiler carried out preheating or as the combustion air of igniting unit with the flue gas of 150 degrees centigrade at last through the exchange of gas gas.
The present invention has positive effect: (1) the present invention is directed to the characteristics of biomass-pyrolysis fuel gas, the special heat accumulating sections that increases, be the combustion chamber, and there is heat preserving and insulating material inside, effectively prevents furnace temperature fluctuation, and ignition temperature is high, the combustion chamber has certain-length, can make the biomass-pyrolysis fuel gas cracking abundant, avoid burning insufficient or local temperature is too high, and condense without tar; Heat-energy losses reduces; (2) heat accumulating sections has 2 or a plurality of turning, can change flue gas flow direction, carries dust in flue gas because changing direction, lose speed and sedimentation, simultaneously netted deep bead is set in heat accumulating sections, has good high-temperature dust removal effect, avoid high dust smoke pollution environment; (3) flexible high temperature conjunction between present device, the effectively impact that brings of abatement apparatus thermal expansion.
Description of drawings
Content of the present invention is easier to be expressly understood in order to make, and the below is according to specific embodiment and by reference to the accompanying drawings, and the present invention is further detailed explanation, wherein
Fig. 1 is structural representation of the present invention;
Igniting unit 1, heat accumulating sections 2, high temperature heat exchange unit 3, Low Temperature Thermal crosspoint 4, cleaning door 21, ash hole 41.
The specific embodiment
(embodiment 1)
Biomass pyrolysis fuel gas heat energy utilizing system, igniting unit 1 adopts with heat accumulating sections 2 and flexibly connects, adopting with high temperature heat exchange unit 3 of heat accumulating sections 2 flexibly connects, be connected by pipeline between high temperature heat exchange unit 3 and Low Temperature Thermal crosspoint 4, described igniting unit 1 is connected to become communicating structure with heat accumulating sections 2 and high temperature heat exchange unit 3 and Low Temperature Thermal crosspoint 4.
Igniting unit 1 is combustion head, and itself and heat accumulating sections 2 junctions are provided with igniter; Heat accumulating sections 2 is the combustion chamber, combustion-chamber shape is Z-shaped, front end is horizontal component, and middle-end is vertical component, and the rear end is horizontal component, the bottom of vertical component is provided with cleaning door 21, the combustion chamber has 2 perpendicular corners, 2 flame detectors is arranged, infra red flame detector and ultraviolet flame checking unit in the combustion chamber, wherein the infra red flame detector is placed on and can covers main flame, and can avoid the heat accumulating sections furnace wall; High temperature heat exchange unit 3 is waste heat boiler; Low Temperature Thermal crosspoint 4 is gas-gas heat exchanger, and its bottom end arranges ash hole 41.
The inwall of heat accumulating sections 2 is equipped with heat-insulation layer, is ceramic fiber cotton.
At the biomass pyrolysis fuel gas heat energy utilizing system end, air extractor can be set, make whole system form micro-vacuum state.
(embodiment 2)
Biomass pyrolysis fuel gas heat energy utilizing system, igniting unit 1 adopts with heat accumulating sections 2 and flexibly connects, adopting with high temperature heat exchange unit 3 of heat accumulating sections 2 flexibly connects, be connected by pipeline between high temperature heat exchange unit 3 and Low Temperature Thermal crosspoint 4, described igniting unit 1 is connected to become communicating structure with heat accumulating sections 2 and high temperature heat exchange unit 3 and Low Temperature Thermal crosspoint 4.
Igniting unit 1 is combustion head, and itself and heat accumulating sections 2 junctions are provided with igniter; Heat accumulating sections 2 is the combustion chamber, combustion-chamber shape is Z-type, front end is horizontal component, and middle-end is vertical component, and the rear end is horizontal component, the place, lower end right angle of vertical component is provided with cleaning door 21, the combustion chamber has 3 perpendicular corners, 2 flame detectors is arranged, infra red flame detector and ultraviolet flame checking unit in the combustion chamber, wherein the infra red flame detector is placed on and can covers main flame, and can avoid the heat accumulating sections furnace wall; High temperature heat exchange unit 3 is heat-conducting oil furnace; Low Temperature Thermal crosspoint 4 is economizer, and its bottom end arranges cleaning door 41.
The inwall of heat accumulating sections 2 is provided with heat-insulation layer, is refractory cement.
At the biomass pyrolysis fuel gas heat energy utilizing system end, air extractor can be set, make whole system form micro-vacuum state.
Above-described specific embodiment; purpose of the present invention, technical scheme and beneficial effect are further described; institute is understood that; the above is only specific embodiments of the invention; be not limited to the present invention; within the spirit and principles in the present invention all, any modification of making, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a biomass pyrolysis fuel gas heat energy utilizing system, is characterized in that: have the igniting unit (1) that connects successively perforation, heat accumulating sections (2), high temperature heat exchange unit (3), Low Temperature Thermal crosspoint (4).
2. biomass pyrolysis fuel gas heat energy utilizing system according to claim 1, it is characterized in that: described igniting unit (1) adopts with heat accumulating sections (2) and flexibly connects, adopting with high temperature heat exchange unit (3) of heat accumulating sections (2) flexibly connects, and is connected by pipeline between high temperature heat exchange unit (3) and Low Temperature Thermal crosspoint (4).
3. biomass pyrolysis fuel gas heat energy utilizing system according to claim 2, it is characterized in that: described igniting unit (1) is combustion head, itself and heat accumulating sections (2) junction are provided with igniter.
4. biomass pyrolysis fuel gas heat energy utilizing system according to claim 2, it is characterized in that: described heat accumulating sections (2) is the combustion chamber, has 2 flame detectors in the combustion chamber, is respectively infra red flame detector and ultraviolet flame checking unit.
5. biomass pyrolysis fuel gas heat energy utilizing system according to claim 2, it is characterized in that: described high temperature heat exchange unit (3) is waste heat boiler or heat-conducting oil furnace.
6. biomass pyrolysis fuel gas heat energy utilizing system according to claim 2, it is characterized in that: described Low Temperature Thermal crosspoint (4) is gas-gas heat exchanger or economizer.
7. biomass pyrolysis fuel gas heat energy utilizing system according to claim 4, it is characterized in that: the inwall of described some heat accumulating sections (2) is equipped with heat-insulation layer.
8. biomass pyrolysis fuel gas heat energy utilizing system according to claim 4, it is characterized in that: described heat accumulating sections (2) has at least one turning.
9. biomass pyrolysis fuel gas heat energy utilizing system according to claim 8, it is characterized in that: described heat accumulating sections (2) is shaped as " Z " font, and front end is horizontal component, and middle-end is vertical component, and the rear end is horizontal component.
10. biomass pyrolysis fuel gas heat energy utilizing system according to claim 9, is characterized in that: netted deep bead of slant setting in described heat accumulating sections (2) vertical component; The lower end of heat accumulating sections (2) vertical component is provided with cleaning door (21).
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011104271973A CN103162286A (en) | 2011-12-19 | 2011-12-19 | Biomass pyrolysis gas heat energy utilizing system |
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| CN2011104271973A CN103162286A (en) | 2011-12-19 | 2011-12-19 | Biomass pyrolysis gas heat energy utilizing system |
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| CN103162286A true CN103162286A (en) | 2013-06-19 |
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| CN2011104271973A Pending CN103162286A (en) | 2011-12-19 | 2011-12-19 | Biomass pyrolysis gas heat energy utilizing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931642A (en) * | 2015-12-30 | 2017-07-07 | 沈阳兰昊新能源科技有限公司 | Biomass fuel heat accumulating type hot air boiler |
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| CN1464221A (en) * | 2002-06-06 | 2003-12-31 | 曹蕴明 | Thermal dissociation gasification turbulent flow injection combustion apparatus |
| CN2655050Y (en) * | 2003-09-25 | 2004-11-10 | 陈泽鹏 | Two-section type refuse pyrolysis gasifying incinerator |
| US20040261670A1 (en) * | 2003-06-26 | 2004-12-30 | Raymond Dueck | Biomass gasification system |
| CN101508902A (en) * | 2009-03-06 | 2009-08-19 | 苏州工业设备安装集团有限公司 | Biomass fuel cycle gasifying device and method thereof |
| CN102226528A (en) * | 2011-04-24 | 2011-10-26 | 陈金明 | Domestic garbage pyrolysis gasification treatment complete equipment |
| CN202338898U (en) * | 2011-12-19 | 2012-07-18 | 苏州格瑞展泰再生能源有限公司 | Biomass pyrolysis fuel gas heat energy utilizing system |
-
2011
- 2011-12-19 CN CN2011104271973A patent/CN103162286A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1464221A (en) * | 2002-06-06 | 2003-12-31 | 曹蕴明 | Thermal dissociation gasification turbulent flow injection combustion apparatus |
| US20040261670A1 (en) * | 2003-06-26 | 2004-12-30 | Raymond Dueck | Biomass gasification system |
| CN2655050Y (en) * | 2003-09-25 | 2004-11-10 | 陈泽鹏 | Two-section type refuse pyrolysis gasifying incinerator |
| CN101508902A (en) * | 2009-03-06 | 2009-08-19 | 苏州工业设备安装集团有限公司 | Biomass fuel cycle gasifying device and method thereof |
| CN102226528A (en) * | 2011-04-24 | 2011-10-26 | 陈金明 | Domestic garbage pyrolysis gasification treatment complete equipment |
| CN202338898U (en) * | 2011-12-19 | 2012-07-18 | 苏州格瑞展泰再生能源有限公司 | Biomass pyrolysis fuel gas heat energy utilizing system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106931642A (en) * | 2015-12-30 | 2017-07-07 | 沈阳兰昊新能源科技有限公司 | Biomass fuel heat accumulating type hot air boiler |
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Application publication date: 20130619 |