CN202338898U - Biomass pyrolysis fuel gas heat energy utilizing system - Google Patents
Biomass pyrolysis fuel gas heat energy utilizing system Download PDFInfo
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- CN202338898U CN202338898U CN2011205336415U CN201120533641U CN202338898U CN 202338898 U CN202338898 U CN 202338898U CN 2011205336415 U CN2011205336415 U CN 2011205336415U CN 201120533641 U CN201120533641 U CN 201120533641U CN 202338898 U CN202338898 U CN 202338898U
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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
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Abstract
The utility model relates a biomass pyrolysis fuel gas heat energy utilizing system, which comprises an ignition unit, a heat storage section, a high temperature heat exchange unit and a lower temperature heat exchange unit. Aiming at the characteristics of biomass pyrolysis fuel gas, the heat storage section is particularly added to the utilizing system, the heat storage section serves as a combustion chamber, temperature preservation and heat insulation materials are arranged inside the combustion chamber, furnace temperature fluctuation is effectively avoided, and combustion temperature is high. The combustion chamber has a certain length, can enable the biomass pyrolysis fuel gas to be sufficiently cracked, avoid insufficient combustion or local over-high temperature, and no tar is condensed. Heat energy loss is reduced, the heat storage section has two or more corners and can change smoke flow direction, dust carried in the smoke loses speed and falls because of change of direction, the heat storage section has a good high temperature dedusting effect and prevents high-dust smoke from polluting the environment; equipment of the biomass pyrolysis fuel gas heat energy utilizing system are in flexible high temperature connection, the influence caused by heat expansion of the equipment can be effectively removed.
Description
Technical field
The utility model relates to a kind of biomass pyrolytic combustion gas heat energy utilization 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.Because the fossil energy reserves reduce day by day, the oil price fluctuation is big, to the worry of energy security problem and to the concern of global warming, the development clean reproducible energy has become urgent subject, the new forms of energy industry presents high development.According to the industry background and the general situation of development of the regenerative resource of extensive demonstration, be that biogas elelctrochemical power generation, biomass hydrogen energy, the living beings green liquid fuel of representative will become following important alternative energy source with the biomass energy.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 the 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, and the biological fuel gas cracking is insufficient, can not fully burn; Flue gas flowed out from gas fired-boiler when biological fuel gas failed fully to burn; And the afterbody temperature of heat exchanger is lower in gas fired-boiler, and the tar in the biological fuel gas gas fume after burning is easier to condense on the heat exchanger tube, has a strong impact on the stability and the heat exchange efficiency of equipment.The thermal conductivity factor of the ash in the flue gas is very low in addition, grey deposition on the heat exchanger tube surface, the serious reduction heat exchange efficiency of meeting; And the content of ash is higher in the emission gases, does not meet environmental requirement.
Summary of the invention
The purpose of the utility model is to overcome above-mentioned deficiency a kind of biomass pyrolytic combustion gas heat energy utilization system is provided.
Realize that the utility model purpose technical scheme is: a kind of biomass pyrolytic combustion gas heat energy utilization system has and connects the igniting unit that connects, heat accumulating sections, elevated temperature heat crosspoint, low-temperature heat crosspoint successively.
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said igniting unit and heat accumulating sections adopt and flexibly connect, and adopting with the elevated temperature heat crosspoint of heat accumulating sections flexibly connects, and is connected through pipeline between elevated temperature heat crosspoint and the low-temperature heat crosspoint;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said igniting unit is a combustion head, itself and heat accumulating sections junction are provided with igniter;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said heat accumulating sections is the combustion chamber, has 2 flame detectors in the combustion chamber, is respectively infra red flame detector and ultraviolet flame detector;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said elevated temperature heat crosspoint is waste heat boiler or heat-conducting oil furnace;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said low-temperature heat crosspoint is gas-gas heat exchanger or economizer;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said igniting unit, heat accumulating sections, the inwall of elevated temperature heat crosspoint and low-temperature heat crosspoint is equipped with heat-insulation layer;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said heat accumulating sections has at least one turning;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said heat accumulating sections is shaped as " Z " font, and front end is a horizontal component, and middle-end is a vertical component, and the rear end is a horizontal component;
Above-mentioned biomass pyrolytic combustion gas heat energy utilization system, said heat accumulating sections vertical component tilt is placed a netted deep bead; 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 the high temperature, makes the abundant cracking of big molecule in the biological fuel gas, thereby guarantees that biological fuel gas fully burns.
Whether the infra red flame detector in the combustion chamber is to be used for the combustion gas of detection of biological matter to burn, and whether the ultraviolet flame detector is used to detect igniter and lights a fire.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 greater than 1050 ℃, high-temp combustion; No tar condenses, and carries the characteristic that the living beings ash is a biological fuel gas secretly, the flue gas of high temperature and high speed when the combustion chamber in the combustion chamber corner part because the change of direction; Big dust generation sedimentation; Yin Wendu reduces the fine dust of carrying in the flue gas in the low-temperature heat exchange unit, and wind speed diminishes and sedimentation, when the dust accretions of sedimentation more for a long time; Can dust be removed from cleaning door, can not result in blockage.The temperature of the high-temperature flue gas that of flowing through the combustion chamber reaches 900-1000 ℃; High-temperature flue gas in waste heat boiler with the heat exchange of water after get into gas gas interchanger inferior high-temperature flue gas reach 280 deg.c, and then discharge with 150 degrees centigrade flue gas that the heat utilization of carrying out next step is perhaps carried out preheating to the water of waste heat boiler at last or as the combustion air of igniting unit through the exchange of gas gas.
The utlity model has positive effect: (1) the utility model increases heat accumulating sections especially to the characteristics of biomass pyrolytic combustion gas, is 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 biomass pyrolytic combustion gas cracking abundant, avoid burning insufficient or local temperature is too high, and not have tar and condense; Heat-energy losses reduces; (2) heat accumulating sections has 2 or a plurality of turning, can change flue gas flow direction, carries dust in the flue gas because of changing direction, loses speed and sedimentation, simultaneously netted deep bead is set in heat accumulating sections, has good high-temperature dust removal effect, avoids high dust smoke pollution environment; (3) flexible high temperature connects between the utility model equipment, the effectively influence that brings of abatement apparatus thermal expansion.
Description of drawings
For the content that makes the utility model is expressly understood more easily,, the utility model is done further detailed explanation, wherein below according to specific embodiment and combine accompanying drawing
Fig. 1 is the utility model structural representation;
Igniting unit 1, heat accumulating sections 2, elevated temperature heat crosspoint 3, low-temperature heat crosspoint 4, cleaning door 21, ash hole 41.
The specific embodiment
(embodiment 1)
Biomass pyrolytic combustion gas heat energy utilization system; Igniting unit 1 adopts with heat accumulating sections 2 and flexibly connects; Adopting with elevated temperature heat crosspoint 3 of heat accumulating sections 2 flexibly connects; Be connected through pipeline between elevated temperature heat crosspoint 3 and the low-temperature heat crosspoint 4, said igniting unit 1 is connected to become communicating structure with heat accumulating sections 2 and elevated temperature heat crosspoint 3 and low-temperature heat crosspoint 4.
The inwall of heat accumulating sections 2 is equipped with heat-insulation layer, is the ceramic fibre cotton.
End can be provided with air extractor in biomass pyrolytic combustion gas heat energy utilization system, makes whole system form micro-vacuum state.
(embodiment 2)
Biomass pyrolytic combustion gas heat energy utilization system; Igniting unit 1 adopts with heat accumulating sections 2 and flexibly connects; Adopting with elevated temperature heat crosspoint 3 of heat accumulating sections 2 flexibly connects; Be connected through pipeline between elevated temperature heat crosspoint 3 and the low-temperature heat crosspoint 4, said igniting unit 1 is connected to become communicating structure with heat accumulating sections 2 and elevated temperature heat crosspoint 3 and low-temperature heat crosspoint 4.
Igniting unit 1 is a combustion head, and itself and heat accumulating sections 2 junctions are provided with igniter; Heat accumulating sections 2 is the combustion chamber, and combustion-chamber shape is the Z type, and front end is a horizontal component; Middle-end is a vertical component, and the rear end is a horizontal component, and the place, lower end right angle of vertical component is provided with cleaning door 21; The combustion chamber has 3 perpendicular corners, and 2 flame detectors are arranged in the combustion chamber, infra red flame detector and ultraviolet flame detector; Wherein the infra red flame detector is placed on and can covers main flame, and can avoid the heat accumulating sections furnace wall; Elevated temperature heat crosspoint 3 is a heat-conducting oil furnace; Low-temperature heat crosspoint 4 is an economizer, and its bottom end is provided with cleaning door 41.
The inwall of heat accumulating sections 2 is provided with heat-insulation layer, is refractory cement.
End can be provided with air extractor in biomass pyrolytic combustion gas heat energy utilization system, makes whole system form micro-vacuum state.
Above-described specific embodiment; Purpose, technical scheme and beneficial effect to the utility model have carried out further explain, it should be understood that the above is merely the specific embodiment of the utility model; Be not limited to the utility model; All within the spirit and principle of the utility model, any modification of being made, be equal to replacement, improvement etc., all should be included within the protection domain of the utility model.
Claims (10)
1. a biomass pyrolytic combustion gas heat energy utilization system is characterized in that: have the igniting unit (1) that connects perforation successively, heat accumulating sections (2), elevated temperature heat crosspoint (3), low-temperature heat crosspoint (4).
2. according to the said biomass pyrolytic combustion gas of claim 1 heat energy utilization system; It is characterized in that: said igniting unit (1) adopts with heat accumulating sections (2) and flexibly connects; Adopting with elevated temperature heat crosspoint (3) of heat accumulating sections (2) flexibly connects, and is connected through pipeline between elevated temperature heat crosspoint (3) and the low-temperature heat crosspoint (4).
3. according to the said biomass pyrolytic combustion gas of claim 2 heat energy utilization system, it is characterized in that: said igniting unit (1) is a combustion head, and itself and heat accumulating sections (2) junction are provided with igniter.
4. according to the said biomass pyrolytic combustion gas of claim 2 heat energy utilization system, it is characterized in that: said 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 detector.
5. according to the said biomass pyrolytic combustion gas of claim 2 heat energy utilization system, it is characterized in that: said elevated temperature heat crosspoint (3) is waste heat boiler or heat-conducting oil furnace.
6. according to the said biomass pyrolytic combustion gas of claim 2 heat energy utilization system, it is characterized in that: said low-temperature heat crosspoint (4) is gas-gas heat exchanger or economizer.
7. according to the said biomass pyrolytic combustion gas of claim 4 heat energy utilization system, it is characterized in that: the inwall of said some heat accumulating sections (2) is equipped with heat-insulation layer.
8. according to the said biomass pyrolytic combustion gas of claim 4 heat energy utilization system, it is characterized in that: said heat accumulating sections (2) has at least one turning.
9. said according to Claim 8 biomass pyrolytic combustion gas heat energy utilization system, it is characterized in that: said heat accumulating sections (2) is shaped as " Z " font, and front end is a horizontal component, and middle-end is a vertical component, and the rear end is a horizontal component.
10. according to the said biomass pyrolytic combustion gas of claim 9 heat energy utilization system, it is characterized in that: said heat accumulating sections (2) vertical component tilt is placed a netted deep bead; The lower end of heat accumulating sections (2) vertical component is provided with cleaning door (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205336415U CN202338898U (en) | 2011-12-19 | 2011-12-19 | Biomass pyrolysis fuel gas heat energy utilizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205336415U CN202338898U (en) | 2011-12-19 | 2011-12-19 | Biomass pyrolysis fuel gas heat energy utilizing system |
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| CN202338898U true CN202338898U (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205336415U Expired - Lifetime CN202338898U (en) | 2011-12-19 | 2011-12-19 | Biomass pyrolysis fuel gas heat energy utilizing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162286A (en) * | 2011-12-19 | 2013-06-19 | 苏州格瑞展泰再生能源有限公司 | Biomass pyrolysis gas heat energy utilizing system |
-
2011
- 2011-12-19 CN CN2011205336415U patent/CN202338898U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162286A (en) * | 2011-12-19 | 2013-06-19 | 苏州格瑞展泰再生能源有限公司 | Biomass pyrolysis gas heat energy utilizing system |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120718 |
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| CX01 | Expiry of patent term |