CN204224548U - Low-suction type organism-gasifying furnace - Google Patents
Low-suction type organism-gasifying furnace Download PDFInfo
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- CN204224548U CN204224548U CN201420676462.0U CN201420676462U CN204224548U CN 204224548 U CN204224548 U CN 204224548U CN 201420676462 U CN201420676462 U CN 201420676462U CN 204224548 U CN204224548 U CN 204224548U
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- 239000002028 Biomass Substances 0.000 claims abstract description 67
- 239000000463 material Substances 0.000 claims abstract description 56
- 239000000446 fuel Substances 0.000 claims abstract description 49
- 239000007789 gas Substances 0.000 claims abstract description 35
- 238000002485 combustion reaction Methods 0.000 claims abstract description 33
- 238000004519 manufacturing process Methods 0.000 claims abstract description 23
- 239000002918 waste heat Substances 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 22
- 239000010410 layer Substances 0.000 claims description 13
- 239000011229 interlayer Substances 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 3
- 239000002356 single layer Substances 0.000 claims description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 16
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 8
- 238000001816 cooling Methods 0.000 description 4
- 238000002309 gasification Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000003245 working effect Effects 0.000 description 3
- 241001149930 Protura <class> Species 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000283690 Bos taurus Species 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241001494479 Pecora Species 0.000 description 1
- 244000273618 Sphenoclea zeylanica Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000014171 carbonated beverage Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000010871 livestock manure Substances 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000005502 peroxidation Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010902 straw Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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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
-
- 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
Landscapes
- Solid-Fuel Combustion (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The utility model discloses a kind of low-suction type organism-gasifying furnace, for biomass burning raw material production geseous fuel, it comprises: upper furnace body, its sidewall is provided with some air inlet ports for introducing combustion air; Lower furnace body, is arranged on the below of upper furnace body; Take-off equipment, is communicated with lower furnace body, the geseous fuel generated after exporting the reaction of described biomass material; Air feeder, combustion-supporting gas is provided for the burning for biomass material, steam disrupter is used for arranging steam isolating layer in biomass material, produces waste heat entrained by combustion-supporting steam and the isolation equipment use lower furnace body waste heat of steam or geseous fuel as the device fabrication of thermal source.The utility model introduces combustion-supporting gas by side entering type, solves biomass material and to burn uneven problem; By using the combustion-supporting gas comprising steam, reduce a nitrogen content in geseous fuel; Use body of heater waste heat to produce combustion-supporting steam, saved the energy, saved equipment cost.
Description
Technical field
The utility model relates to a kind of biomass-making that uses for the vapourizing furnace of geseous fuel, belongs to renewable resource utilization field.
Background technology
Biomass energy is a kind of desirable renewable energy source, because it is widely distributed, be conducive to the features such as environmental protection, thus more and more receives the concern of countries in the world.Biomass gasification technology biomass material being generated after the series reaction such as burning geseous fuel is a kind of important way utilizing biomass energy.Biomass gasification technology utilizes biomass material, such as: agricultural crop straw, forest tree castoff, edible fungi residues, cattle and sheep animal manure etc. carry out gasification and transform into inflammable gas, thus substitutes liquefied gas, coal gas equal energy source as life production gas.At present, usually use low-suction type organism-gasifying furnace to gasify to biomass material, biomass material is through chemical reactions such as peroxidation, reduction, cracking in vapourizing furnace, and finally generating major ingredient is the geseous fuel of CO.
As shown in Figure 2, low-suction type organism-gasifying furnace of the prior art comprises: the upper furnace body 101 being positioned at biomass gasifying furnace 1 top, be positioned at the lower furnace body 102 below upper furnace body 101, be positioned at the grate 103 bottom upper furnace body 101, for to export after gasifying biomass produce the take-off equipment of geseous fuel 8, comprise the output channel 104 that is communicated with lower furnace body 102 and be arranged on output channel 104, for providing the first air pump 7 of power for the output of geseous fuel 8.
During work, first, biomass material 5 is rendered in upper furnace body 101, in bottom, biomass material is lighted, when after flameholding, biomass material can be divided into three parts according to its burning degree: superposed layer 501 to be combusted, be positioned at its underpart zone of combustion 502 and be positioned at bottom grieshoch 503.Open the first air pump 7, after first air pump 7 is opened, due to its suction function, air is entered by the top of upper furnace body 101, zone of combustion 502 is entered into by biomass material, for the burning of biomass material is combustion-supporting, after its burning, geseous fuel 8 of producing is also under the suction function of the first air pump 7, to be delivered in subsequent handling to be further processed by lower furnace body 102 through output channel 104.
Above-mentioned low-suction type organism-gasifying furnace, although can geseous fuel be prepared, but due to its combustion-supporting gas 6 mainly air, and the content of oxygen only accounts for 21% in air, and the content of nitrogen is 78%, because the chemical property of nitrogen is more stable, not easily decompose, so, containing a large amount of nitrogen in the geseous fuel 8 that low-suction type organism-gasifying furnace produces, inflammable gas ratio is not high, and the quality of geseous fuel is lower.
Utility model content
In order to solve the problem that in geseous fuel that low-suction type organism-gasifying furnace in prior art produces, the non-combustible gas content such as nitrogen is higher, the utility model provides a kind of low-suction type organism-gasifying furnace of improvement, the existing air inlet port changed into by being arranged on sidewall by top input combustion-supporting gas is inputted combustion-supporting gas, and using in the past simple use air as combustion-supporting gas, change the combustion air of setting ratio and combustion-supporting steam into as combustion-supporting gas.So both can ensure normally carrying out of biomass material gasification reaction, again reduce the nitrogen content in geseous fuel.Steam disrupter is used the zone of combustion of biomass material and ambient atmosphere to be kept apart, to ensure the ratio of combustion-supporting steam and combustion air in combustion-supporting gas.
In addition, the waste heat entrained by geseous fuel of also burnt by the low-suction type organism-gasifying furnace waste heat produced and generation, as the thermal source of production of steam, had both been saved the energy, had been again reduced the temperature of sidewall of the furnace body, improved the Working environment of staff.And the structure of low-suction type organism-gasifying furnace of the present utility model is simple, easy for installation, is not only applicable to new installation and produces, be also applicable to the transformation of old equipment.
For solving the problem, technical scheme provided by the utility model is:
A kind of low-suction type organism-gasifying furnace, for biomass burning raw material production geseous fuel, this vapourizing furnace comprises:
Upper furnace body, its sidewall is provided with some air inlet ports for introducing combustion-supporting gas;
Lower furnace body, is arranged on the below of described upper furnace body;
Take-off equipment, is arranged on described lower furnace body, for exporting the rear geseous fuel generated of described biomass material reaction;
Air feeder, be communicated with described air inlet port, the combustion-supporting steam of setting ratio and the mixing combustion-supporting gas of combustion air is comprised for providing for the burning of described biomass material, it comprises steam input device, and described steam input device comprises: produce the first steam generator of described combustion-supporting steam and the some steam input pipe roads of combustion-supporting delivery of steam to described upper furnace body for being produced by described first steam generator using lower furnace body self waste heat as thermal source; Described steam input device also comprises the second steam generator using waste heat entrained by described geseous fuel for the described combustion-supporting steam of thermal source production;
Steam disrupter, for arranging steam isolating layer in described biomass material, prevents extraneous air from entering into the zone of combustion of biomass material by the open top of described upper furnace body.
Further, some described air inlet ports are uniform along described upper furnace body sidewall circumference.
Further, described air feeder also comprises air delivery arrangement; Described air delivery arrangement comprises for providing the air supplying device of combustion air and for combustion air to be input to the some air inlet duct roads in upper furnace body by described air supplying device.
Further, it is an input channel that described steam input pipe road and described air inlet duct road converge before described air inlet port, enters into described upper furnace body again after described combustion-supporting steam is mixed in described input channel with described combustion air.
Further, the sidewall of described lower furnace body is sandwich structure, and described first steam generator is be arranged on the heat-exchanger rig in lower furnace body interlayer.
Further, the sidewall of described lower furnace body is single layer structure, and described first steam generator is the heat-exchanger rig being arranged on lower furnace body inside sidewalls.
Further, described heat-exchanger rig is water jacket, heat transfer tube or heat exchange wall.
Further, described steam disrupter passes through input isolation steam in described biomass material and is forming steam isolating layer apart from the setpoint distance place on biomass material top, and described steam disrupter comprises the vapour source of generation isolation steam and is arranged in described upper furnace body, by the steam introducing device of isolation steam introducing upper furnace body.
Further, described vapour source is described first steam generator and the second steam generator.
Low-suction type organism-gasifying furnace in the utility model, by arranging some air inlet ports on the sidewall of existing low-suction type organism-gasifying furnace, changing existing " upper air " is " side air inlet ".The utility model makes the input of biomass material to combustion-supporting gas have no effect owing to adopting " side air inlet ", ensures stability and the homogeneity of biomass combustion.Also set up steam input device, original only use air has been changed into as combustion-supporting gas and uses steam and air gas mixture as combustion-supporting gas, reduce the nitrogen content in geseous fuel, improve the quality of geseous fuel.
In addition, in the utility model, steam generator uses lower furnace body waste heat and the waste heat entrained by geseous fuel to produce combustion-supporting steam as thermal source, both make use of the waste heat of lower furnace body and geseous fuel, again reduce the temperature of lower furnace body and geseous fuel, improve the Working environment of staff, extend the work-ing life of lower furnace body and grate, also cooling apparatus need not be set separately for reducing geseous fuel temperature, save equipment cost.
In addition, the utility model also comprises steam disrupter, arranges steam isolating layer, air can be stoped to be entered by biomass gasifying furnace top by isolation steam unit in biomass material, can also be biomass material preheating, humidification in advance, enable to gasify better.The advantages such as it is simple that low-suction type organism-gasifying furnace of the present utility model also has structure, easy for installation, and the low and practicality of cost of manufacture is stronger.
Accompanying drawing explanation
Fig. 1 uses biomass-making for the system architecture schematic diagram of geseous fuel;
Fig. 2 is low-suction type organism-gasifying furnace structural representation in prior art;
Fig. 3 is low-suction type organism-gasifying furnace structural representation (part sectioned view) in the utility model;
Fig. 4 is low-suction type organism-gasifying furnace structural representation (sectional view) in the utility model;
Fig. 5 is lower furnace body structural representation.
In figure: 1. vapourizing furnace; 101. upper furnace body; 102. lower furnace body; 103. grate; 104. output channel; 105. bell; 106. air inlet port; 107. viewing window; 108. steam input pipe roads; 109. air inlet duct roads; 110. input channel; 2. refining plant; 3. drying installation; 4. gas-holder; 5. biomass material; 501. layers to be combusted; 502. zone of combustion; 503. grieshoch; 504. steam isolating layer; 6. combustion-supporting gas; The combustion-supporting steam of 6a.; 6b. combustion air; 7. the first air pump; 8. geseous fuel; 9. steam boiler; 10. water jacket body; 10a. water inlet pipe; 10b. steam output pipe; 11. water separators; 12. water; 13. isolation steam; 14. steam introducing devices.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
As shown in Figure 3,4, the low-suction type organism-gasifying furnace in the utility model comprises: upper furnace body 101, lower furnace body 102, grate 103, take-off equipment, air feeder and steam disrupter.
Upper furnace body 101 is arranged on the top of lower furnace body 102, and grate 103 is arranged on the bottom of upper furnace body 101.Some air inlet ports 106 entered for combustion-supporting gas 6 that the sidewall of upper furnace body 101 is arranged; Preferably, some air inlet ports 106 are uniform along the sidewall circumference of upper furnace body 101.In addition, the sidewall of upper furnace body 101 is also provided with some viewing windows 107 for observing stove combustion situation.Preferably, some viewing windows 107 are uniform along the sidewall circumference of upper furnace body 101.
As shown in Figure 3,4, for providing the air feeder of combustion-supporting gas 6 to comprise for providing the steam input device of combustion-supporting steam 6a for the biomass material of upper furnace body 101 combustion and for providing the air delivery arrangement of combustion air 6b for low-suction type organism-gasifying furnace.Steam input device comprises: steam input pipe road 108, the vapour pump (not shown) be arranged on steam input pipe road 108, be arranged on steam valve (not shown) on steam input pipe road 108 and steam generator; The one end in steam input pipe road 108 is communicated with air inlet port 106, and the other end is communicated with steam generator.The combustion-supporting steam 6a that steam generator produces, by vapour pump pumping, enters in upper furnace body 101 through steam input pipe road 108.As shown in Figure 3,4, the set-up mode in steam input pipe road 108 can be provided with an independently steam input pipe road 108 for each air inlet port 106 correspondence, also can share a steam input pipe road 108 by several air inlet ports 106.
As shown in Fig. 3,5, in order to save energy, steam generator of the present utility model comprises the first steam generator and the second steam generator.Wherein, the first steam generator uses the waste heat of lower furnace body 102 to produce combustion-supporting steam 6a.First steam generator comprises: water jacket, tank (not shown) and water separator 11.Water jacket comprises: be arranged on the water jacket body 10 in lower furnace body, water inlet pipe 10a, steam output pipe 10b.The sidewall of lower furnace body 102 is sandwich structure, and water jacket body 10 is arranged in sandwich structure, and water inlet pipe 10a one end is communicated with water jacket body 10, and the other end is communicated with tank.Carbonated drink separation is carried out in being input in water separator 11 that water jacket body 10 produces by steam output pipe 10b, the combustion-supporting steam 6a of final formation.
By steam generator is arranged in lower furnace body 102, both the waste heat of lower furnace body 102 can have been utilized to be used for producing steam, save energy, also lower the temperature for lower furnace body 102 and grate 103 simultaneously, extend its work-ing life, and staff can not be scalded by lower furnace body 102, make its working space safer.In actual applications, the interlayer of the sidewall of lower furnace body 102 directly can also be set to water jacket, steam produced by the heat-exchanger rig that also can arrange other structures such as heat transfer tube, heat exchange wall in interlayer.Understandable, the sidewall of lower furnace body 102 also can be single layer structure, now heat-exchanger rig is set directly at inside sidewalls.
As shown in Fig. 3,5, the waste heat that the second steam generator uses the biomass material in upper furnace body 101 to burn entrained by the geseous fuel 8 produced for use carries out the steam production plant of combustion-supporting production of steam as thermal source.Preferably, steam generator is steam boiler 9.Certainly in actual applications, all steam producing apparatus water being converted to water vapor by heat exchange all can be applicable to this.Preferably, the second steam generator also uses tank as its steam water source.During work, geseous fuel 8 inputs in steam boiler 9 by output channel 104, and geseous fuel 8 carries out heat exchange in steam boiler 9, and cooled geseous fuel 8 is exported by steam boiler 9, and enters into subsequent handling and be further processed.Steam boiler 9 utilize the waste heat entrained by geseous fuel 8 be in it water heating generate combustion-supporting steam 6a.The mode of production of this combustion-supporting steam 6a of the present utility model, both for the energy has been saved in the production of combustion-supporting steam 6a, again reduces the output temperature of geseous fuel 8, need not set up independent cooling apparatus, save facility investment.
First steam generator and the second steam generator can be used alone, also can be with the use of.Need to determine according to the usage quantity adjusting combustion-supporting steam 6a of biomass material in upper furnace body 101 in actual production.Preferably, the combustion-supporting steam 6a by the first steam generator production and the combustion-supporting steam 6a by the second steam generator production upon mixing, then is input in upper furnace body 101 by steam input pipe road 108.
As shown in Figure 3,4, air delivery arrangement comprises: some air inlet duct roads 109, be arranged on the second air pump (not shown) on each air inlet duct road 109 and air supplying device (not shown).Air inlet duct road 109 is communicated with air inlet port 106, and the other end is communicated with air supplying device.The combustion air 6b produced by air supplying device is by air inlet duct road 109 and enter into upper furnace body 101 through air inlet port 106, for the biomass material burnt is combustion-supporting wherein.The set-up mode in air inlet duct road 109 can be each air inlet port 106 correspondence and is provided with an independently air inlet duct road 109, but also corresponding air inlet duct roads 109 of several air inlet ports 106.Preferably, as shown in Figure 3, air inlet duct road 109 and steam input pipe road 108 use threeway to merge into an input channel 110 before air inlet port 106, combustion air 6b and combustion-supporting steam 6a is mixed into combustion-supporting gas 6 in input channel 110, and then enter into upper furnace body 101 by air inlet port 106, for the burning of biomass material is combustion-supporting.
As shown in Figure 3,4, the geseous fuel 8 that take-off equipment generates for being burnt by biomass material is derived by lower furnace body 102, and take-off equipment comprises: the output channel 104 be communicated with lower furnace body 102 and the first air pump 7 be arranged on output channel.One end of output channel 104 is communicated with lower furnace body 102, and the other end is communicated with the second steam generator.Geseous fuel 8 is pumped in the second steam generator by the first air pump 7 and carries out heat exchange, and inputs in subsequent handling after the heat exchange and be further processed.
As shown in Fig. 3,4,5, steam disrupter is used in biomass material, arrange steam isolating layer 504, prevents extraneous air from entering into the zone of combustion 502 of biomass material by the open top of upper furnace body 101.Steam disrupter comprises and is arranged on steam introducing device 14 in upper furnace body 101 and for providing the vapour source of isolation steam for it.Steam introducing device 14 comprises steam input terminus and steam output end, and steam input terminus is connected with vapour source, and steam output end is inserted into downwards in biomass material.The isolation steam 13 that vapour source provides is input in steam introducing device 14 by steam input terminus, then is input in biomass material by steam output end, and forms steam isolating layer 504 at the setpoint distance place apart from biomass material top.
Steam introducing device 14 is the hollow stem of lower end with conehead, with production well in the taper face of conehead part, for exhaust vapour.Vapour source is connected above steam introducing device 14.
After steam isolating layer 504 is formed, both extraneous air can have been stoped to enter into zone of combustion 502 by the top of upper furnace body 101, can be again the biomass material humidification in layer 501 to be combusted and preheating, and burn with biomass material together with the combustion-supporting steam 6a inputted with air feeder when biomass material burns C, CO, CO of producing
2react, generate inflammable gas, improve the content of the inflammable gas in geseous fuel 8.Preferably, vapour source is also the first steam production plant and the second steam production plant.Certainly, in actual applications, external steam boiler etc. also can be used as the vapour source of steam disrupter.
As in Figure 3-5, during work, first, biomass material is put in upper furnace body 101, start the first air pump 7 and air feeder.Subsequently, biomass material is lighted in its underpart, when after flameholding, according to the combustion case of biomass material, can be divided into layer 501 to be combusted, zone of combustion 502 and grieshoch 503 from top to bottom by biomass material.The burning that air feeder is biomass material provides the combustion-supporting gas 6 comprising combustion air 6b and combustion-supporting steam 6a.The geseous fuel 8 generated after biomass material burning is pumped out by the below of upper furnace body 101 under the effect of the first air pump 7, output channel 104 is entered into by lower furnace body 102, be pumped subsequently in the second steam generator and carry out heat exchange, produce combustion-supporting steam 6a and isolation steam 13, geseous fuel 8 through heat exchange is input in subsequent handling again, is further processed.In the production process of geseous fuel 8, the first steam generator utilizes the waste heat of lower furnace body 102 to carry out the production of steam.After the steam produced by the first steam generator and the second steam generator converges, then be incorporated in upper furnace body by steam input pipe road 108 and steam introducing device 14 respectively, use as combustion-supporting steam 6a and isolation steam 13.
The utility model crosses the air feeder set up on existing low-suction type organism-gasifying furnace and comprise steam input device and air delivery arrangement, changes combustion air and combustion-supporting mixture of steam that the combustion-supporting gas burnt using air as biomass material is in the past setting ratio.And by the adjustment content of combustion air in combustion-supporting gas, reduce nitrogen proportion in geseous fuel, and water vapour can also to burn C, CO, CO of generating with biomass material
2react generation inflammable gas, the amount of inflammable gas in geseous fuel increased greatly, improves the quality of geseous fuel, and then improve the production capacity of low-suction type organism-gasifying furnace entirety.Steam disrupter inputs steam by it in biomass material, forms vapor film therein, makes extraneous air cannot enter into zone of combustion from upper furnace body top, ensure that the ratio of combustion-supporting steam and combustion air in combustion-supporting gas,
In addition, biomass material is also had to the effect of preheating and humidification, make it burn more complete, inflammable gas ratio contained in the geseous fuel produced is higher.The utility model also utilizes the waste heat entrained by lower furnace body waste heat and geseous fuel to carry out the production of combustion-supporting steam and isolation steam, the biomass material energy produced that burns not only is made to maximize the use, it is also the cooling of lower furnace body, grate and geseous fuel simultaneously, this setup had both saved the energy, extend again the work-ing life of lower furnace body and grate, also need not separately establish cooling apparatus for geseous fuel, save equipment cost.
It is more than preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (9)
1. a low-suction type organism-gasifying furnace, for biomass burning raw material production geseous fuel, it is characterized in that, described low-suction type organism-gasifying furnace comprises:
Upper furnace body, its sidewall is provided with some air inlet ports for introducing combustion-supporting gas;
Lower furnace body, is arranged on the below of described upper furnace body;
Take-off equipment, is arranged on described lower furnace body, for exporting the rear geseous fuel generated of described biomass material reaction;
Air feeder, be communicated with described air inlet port, for providing the mixing combustion-supporting gas comprising combustion-supporting steam and combustion air for the burning of described biomass material, it comprises steam input device, and described steam input device comprises: produce the first steam generator of described combustion-supporting steam and the some steam input pipe roads of combustion-supporting delivery of steam to described upper furnace body for being produced by described first steam generator using lower furnace body self waste heat as thermal source; Described steam input device also comprises the second steam generator using waste heat entrained by described geseous fuel for the described combustion-supporting steam of thermal source production;
Steam disrupter, for arranging steam isolating layer in described biomass material, prevents extraneous air from entering into the zone of combustion of biomass material by the open top of described upper furnace body.
2. according to the vapourizing furnace described in claim 1, it is characterized in that, some described air inlet ports are uniform along described upper furnace body sidewall circumference.
3. according to the vapourizing furnace described in claim 1, it is characterized in that, described air feeder also comprises air delivery arrangement; Described air delivery arrangement comprises for providing the air supplying device of combustion air and for combustion air to be input to the some air inlet duct roads in upper furnace body by described air supplying device.
4. according to the vapourizing furnace described in claim 3, it is characterized in that, it is an input channel that described steam input pipe road and described air inlet duct road converge before described air inlet port, enters into described upper furnace body again after described combustion-supporting steam is mixed in described input channel with described combustion air.
5. according to the vapourizing furnace described in claim 1, it is characterized in that, the sidewall of described lower furnace body is sandwich structure, and described first steam generator is be arranged on the heat-exchanger rig in lower furnace body interlayer.
6. according to the vapourizing furnace described in claim 5, it is characterized in that, the sidewall of described lower furnace body is single layer structure, and described first steam generator is the heat-exchanger rig being arranged on lower furnace body inside sidewalls.
7. according to the vapourizing furnace described in claim 5 or 6, it is characterized in that, described heat-exchanger rig is water jacket, heat transfer tube or heat exchange wall.
8. according to the vapourizing furnace described in claim 1, it is characterized in that, described steam disrupter passes through input isolation steam in described biomass material and is forming steam isolating layer apart from the setpoint distance place on biomass material top, and described steam disrupter comprises the vapour source of generation isolation steam and is arranged in described upper furnace body, by the steam introducing device of isolation steam introducing upper furnace body.
9. according to Claim 8 described in vapourizing furnace, it is characterized in that, described vapour source is described first steam generator and the second steam generator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676462.0U CN204224548U (en) | 2014-11-13 | 2014-11-13 | Low-suction type organism-gasifying furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420676462.0U CN204224548U (en) | 2014-11-13 | 2014-11-13 | Low-suction type organism-gasifying furnace |
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| Publication Number | Publication Date |
|---|---|
| CN204224548U true CN204224548U (en) | 2015-03-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420676462.0U Expired - Fee Related CN204224548U (en) | 2014-11-13 | 2014-11-13 | Low-suction type organism-gasifying furnace |
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2014
- 2014-11-13 CN CN201420676462.0U patent/CN204224548U/en not_active Expired - Fee Related
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