CN203256232U - Biomass dynamic gasifying furnace - Google Patents
Biomass dynamic gasifying furnace Download PDFInfo
- Publication number
- CN203256232U CN203256232U CN2013201149669U CN201320114966U CN203256232U CN 203256232 U CN203256232 U CN 203256232U CN 2013201149669 U CN2013201149669 U CN 2013201149669U CN 201320114966 U CN201320114966 U CN 201320114966U CN 203256232 U CN203256232 U CN 203256232U
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- burner hearth
- blast tube
- tube
- biomass
- hearth
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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
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Abstract
The utility model relates to a heating apparatus, that is, a biomass dynamic gasifying furnace. The biomass dynamic gasifying furnace is characterized in that a heat storage chamber (3) is arranged in front of a hearth (2) in a furnace body (1), a plurality of heat absorption blocks (4) are arranged in the heat storage chamber (3), and a combustion gas tube (5) is arranged over the heat storage chamber (3); a blast tube (8) traverses through the heat storage chamber (3) to enter the hearth (2), the inner wall of the hearth (2) is a curved surface formed by smoothly connecting a plurality of arc surfaces, the inner wall of the hearth (2) is provided with a heat convey port (10) connecting the heat storage chamber (3) with the hearth (2), the upper side of the blast tube (8) in the hearth (2) is provided with a negative pressure port (11), and an air compression sheet (16) is arranged at one side of the negative pressure port (11); the upper side of the blast tube (8) outside the furnace body (1) is connected with a fuel convey tube (6); and the air inlet of a fan (7) is connected with an air inlet tube (14) and a smoke absorbing tube (9) respectively, and the air inlet tube (14) and the smoke absorbing tube (9) are respectively provided with a switch (15). The biomass dynamic gasifying furnace has the following advantages: the heat storage chamber can store a large amount of heat energy, so a fuel and combustion-supporting air can be preheated through the heat storage chamber; a smoke in the hearth is circulated through the fan, so the stable cracking condition of the hearth is maintained; the fuel enters the hearth with air, and is cracked in the up and down rotation dynamic state, so the cracking is uniform; and the incompletely-combusted fuel is sucked back to the blast tube, and is repeatedly sprayed for cracking, so the gasification is full.
Description
Technical field
The utility model relates to a kind of heating equipment, i.e. a kind of biomass dynamically gasifying stove.
Background technology
Gasifying biomass is to make fuel anoxycausises in vapourizing furnace such as agricultural crop straw and weeds wood fragments, and cracking goes out inflammable gas, again inflammable gas output burning.Gasifying stalk thermo-efficiency is high, and discharging is few, has improved significantly the utilization ratio of fuel, for Substitute coal, and save energy, protection of the environment solves straw from village and processes a difficult problem, improves farmers' income, all has important effect., the very bad control of the degree of oxygen deficiency of gasification stove, low then do not reach cracking temperature, height then causes in advance burning, can not obtain combustion gas, all can not bring into play the effect of gasification.According to investigations, at present, except the large-scale gasifying stalk equipment of part, existing middle-size and small-size gasifying stalk equipment mostly exists the problems referred to above.Observe and find that the reason of the problems referred to above is: put into stove after the crushed stalk, light, the space of stalk is very little and uneven under relatively static state, hinder the supply of oxygen.In addition, the structure of existing stove and accessory is unfavorable for the accumulation of heat, and the part of lighting has often reached cracking temperature, and the temperature of whole burner hearth is then very low, thereby burning-point can not spread smoothly, extinguishes easily, causes gas quantity unstable.
Summary of the invention
The purpose of this utility model provides a kind of stove fuel space appropriateness and evenly, temperature is high in the stove, and stalk fuel can fully orderly gasification, and gas production rate is stable, stalk dynamically gasifying stove easy to use.
Above-mentioned purpose is realized by following technical scheme: develop a kind of biomass dynamically gasifying stove, comprise body of heater, burner hearth and blower fan, the blast tube of blower fan enters burner hearth from body of heater one side.Be characterized in: be provided with the heat accumulation chamber before the said body of heater internal furnace, heat accumulation is indoor to be provided with a plurality of heat-absorbing blocks, and top, heat accumulation chamber is provided with gas line.Said blast tube passes the heat accumulation chamber and enters burner hearth, blast tube enter burner hearth inboard wall of burner hearth and the right inboard wall of burner hearth of blast tube port of process, and the inboard wall of burner hearth of blast tube top, be connected to form continuous dome-shaped curved surface by a plurality of arc surfaces are round and smooth, inboard wall of burner hearth enters a side at blast tube and has the defeated heat mouth that is communicated with heat accumulation chamber and burner hearth, the upside of blast tube has the negative pressure mouth in the burner hearth, and the combustion air first negative pressure mouth one lateral edges below of process is provided with the wind pressing piece of oblique bending.Fuel-supply pipe is connected in blast tube top, body of heater outside.The blast inlet of blower fan links to each other with Smoking pipe with inlet pipe respectively, and inlet pipe and Smoking pipe are provided with switch.
The end that said Smoking pipe enters burner hearth is equipped with the filter petticoat pipe.
The inlet end of said filter petticoat pipe is provided with filtering net.
Said filter petticoat pipe is by the helical cylinder of sheet material along the archimedes spiral disc volume, helical cylinder closed at both ends, and the below is provided with into mouth, advances mouth and is provided with the multi-disc catch, and the central tube of helical cylinder is connected with Smoking pipe.
The blast tube that said defeated heat mouth is opened at inboard wall of burner hearth enters the place.
Said blast tube disconnects at negative pressure mouth place.
The outer water jacket that is arranged with of said body of heater, water jacket is provided with rising pipe and return water pipe, rising pipe and return water pipe and join with the two ends of hot device.
Said burner hearth is provided with filter gear sieve in the inwall inboard that blast tube enters a side, and the filter baffle plate is formed by the multi-piece baffle plate docking, leaves the gap between each baffle plate.
The exit end upside of said blast tube is equipped with the choke plate of setting and inflection.
Said burner hearth or heat accumulation chamber pick out a testing tube, and the other end of testing tube is provided with the miniature igniter head with valve.
The beneficial effects of the utility model are: the heat accumulation chamber stores a large amount of heat energy, and blast tube is by the heat accumulation chamber, and fuel and combustion air obtain preheating, is beneficial to the furnace temperature accumulation.The burner hearth flue gas circulates through blower fan, both can send into hot blast in stove, can keep again the anoxic condition of burner hearth, makes burner hearth keep stable cracking condition.Fuel enter with the wind behind the burner hearth rotation up and down dynamically in cracking, be difficult for accumulation, be beneficial to oxygen supply, cracking is even.The sucked back blast tube of unburnt fuel sprays cracking repeatedly, and it is more abundant to gasify.Significantly improved the performance of gasifying stalk stove and accessory, reached economize on coal, environmental protection, the purpose that takes full advantage of agricultural crop straw and increase farmers' income.
Description of drawings
Fig. 1 is the front view of the first embodiment;
Fig. 2 is the vertical view of the first embodiment;
Fig. 3 is a kind of working state figure of the parts blower fan of the first embodiment;
Fig. 4 is the another kind of working state figure of the parts blower fan of the first embodiment;
Fig. 5 is the front view of the parts blast tube of the first embodiment;
Fig. 6 is the front view of the parts blast tube of the second embodiment;
Fig. 7 is the front view of the third embodiment;
Fig. 8 is the front view of the parts helical cylinder of the third embodiment;
Fig. 9 is the left view of the parts helical cylinder of the third embodiment;
Figure 10 is the front view of the 4th kind of embodiment;
Figure 11 is the front view of the 5th kind of embodiment;
Figure 12 is the front view of the 6th kind of embodiment.
Among the figure as seen: body of heater 1, burner hearth 2, heat accumulation chamber 3, heat-absorbing block 4, gas line 5, fuel-supply pipe 6, blower fan 7, blast tube 8, Smoking pipe 9, defeated heat mouth 10, negative pressure mouth 11, filter petticoat pipe 12, filtering net 13, inlet pipe 14, switch 15, wind pressing piece 16, helical cylinder 17 advances mouth 18, catch 19, central tube 20, water jacket 21, rising pipe 22, return water pipe 23, filter gear sieve 24, baffle plate 25, ash removing opening 26, choke plate 27, testing tube 28, miniature igniter head 29, porthole 30.
Embodiment
The first embodiment: as shown in Figure 1, 2, there are burner hearth 2 and heat accumulation chamber 3 in body of heater 1 the inside of this stalk dynamically gasifying stove.Be provided with a plurality of heat-absorbing blocks 4 in the heat accumulation chamber 3, heat-absorbing block 4 is by heat-resisting heat sinks such as refractory brick.3 tops, heat accumulation chamber are provided with gas line 5, can directly lay pot and stove, also can be to picking out gas pipeline.The outside of body of heater 1 is provided with blower fan 7 and blast tube 8, and fuel-supply pipe 6 is connected in blast tube 8 tops.The inwall that blast tube 8 passes heat accumulation chamber 3 and burner hearth 2 enters burner hearth 2, the inwall both sides of burner hearth 2 are the plane, all the other are four sides, front and back inwall up and down, be inwall and the right inboard wall of burner hearth of blast tube 8 ports of 8 processes of blast tube, and the inboard wall of burner hearth of blast tube 8 tops, be by the round and smooth connection of a plurality of arc surfaces, form the continuous dome-shaped curved surface near closure.Burner hearth 2 inwalls have defeated heat mouth 10 at blast tube 8 places of entering, defeated hot mouthful 10 is communicated with heat accumulation chamber 3.In conjunction with Fig. 3 Fig. 4 as seen, the blast inlet of blower fan 7 is provided with two pipes, and one is the inlet pipe 14 that communicates with atmosphere, and another 9, two pipes of Smoking pipe that communicate with burner hearth are provided with switch 15.The end that Smoking pipe 9 enters burner hearth is equipped with filter petticoat pipe 12, and the inlet end of filter petticoat pipe 12 is provided with filtering net 13.In conjunction with Fig. 5 as seen, one section upside that blast tube 8 enters burner hearth 2 has negative pressure mouth 10, negative pressure mouth 10 combustion airs first a lateral edges of process be provided with wind pressing piece 12 to the oblique bending in the back lower place.
During work, first stalk is cut into segment, the fuel tube 6 of packing into starts blower fan 7, and turns switch 15, opens inlet pipe 14, and fresh air can enter burner hearth 2, and fuel is blown in the burner hearth 2 with combustion air and lights simultaneously.Because burner hearth 2 inwalls are round and smooth cambered surface, combustion air is squeezed into and is rotated up and down along wall afterwards, and stalk fuel is rotary combustion with the wind also.The combustion air of blast tube 8 the insides is in through negative pressure mouth 10, and its upper air is stopped by wind pressing piece 12 and flows downward, and has accelerated the wind speed of bottom, has also formed up and down a negative pressuren zone at negative pressure mouth 10 simultaneously.Like this, fuel and the air-flow of a part of rotary combustion are inhaled into negative pressuren zone, and again dishing out from blast tube 8 is rotated burning again.When furnace temperature reaches the cracking temperature of stalk, can suitably close the air output of inlet pipe 14, strengthen simultaneously the aperture of Smoking pipe 9, flue gas in the burner hearth is drawn onto blower fan 7, squeeze into burner hearth 2 by blower fan again, like this, burner hearth 2 is interior constantly to have wind to enter, but the content of oxygen increases seldom, can make the stable cracking in continuing to fly to turn of stove fuel.Simultaneously, another part fuel and air-flow flow out from defeated heat mouthfuls 9 and enter heat accumulation chamber 3, because there are many heat-absorbing blocks 43 the insides, heat accumulation chamber, fuel is touched heat-absorbing block 4 and again cracking repeatedly, form at last combustion gas and deliver to from gas line 5 and use thermal field institute.In addition, in the more stable situation of combustion gas generating capacity, can close blower fan, make the cracking under static state of stove fuel, until tolerance when reducing, is opened blower fan again.
Experimental results demonstrate that through said process, the vaporization rate of stalk improves 10-15% than existing similar vapourizing furnace, and the combustion gas generating capacity is stablized controlled, use difficulty significantly to reduce, can adapt to common peasant household or on a small scale with thermal field demand, possessed the condition of applying.
The second embodiment: as shown in Figure 6, this stove and accessory is substantially the same with the structure of last embodiment, and difference is that blast tube disconnects at negative pressure mouth 10 places, and this should belong to a kind of extreme form of negative pressure mouth 10.Experiment showed, blast tube in the better effects if of the suitable disconnection in negative pressure mouth 10 places, and be convenient to make installation.
The third embodiment: as shown in Figure 7, the structure of this stove and accessory and front two kinds of embodiment is basically identical, and just to enter the filter petticoat pipe 12 that burner hearth 2 one ends connect are helical cylinders 17 to Smoking pipe 12.In conjunction with Fig. 8 Fig. 9 as seen, helical cylinder 17 is to be formed along the archimedes spiral disc volume by sheet material, helical cylinder closed at both ends, can certainly join with the inwall of burner hearth both sides and seal, helical cylinder 17 belows are provided with into mouth 18, advance mouth 18 and be provided with multi-disc catch 19, the central tube 20 of helical cylinder 17 is connected with Smoking pipe 9.
In the work, when needs carry out flue gas recirculation, under the attraction of blower fan, flue gas enters in the cylinder from advancing mouth 18, fuel is then kept off outside cylinder by catch 19, and flue gas rotates into pipe core through helical, and the large section heat of flue gas is stayed in the burner hearth by the helical cylinder, the hot blast that only keeps certain heat enters blower fan by aspiration channel 9 again, squeezes into burner hearth by blower fan again.Like this, both can prevent that the inflammable gas in the flue gas from burning in the middle of blower fan, can squeeze into hot blast to burner hearth again, keep the cracking temperature in the burner hearth, guarantee that the stable of cracking carried out.
The 4th kind of embodiment: as shown in Figure 7, the structure of this stove and accessory and front two kinds of embodiment is basically identical, just the outside has installed water jacket 21 additional, water jacket 21 is cavitys that fill water that are made of two-layer wallboard, top is provided with rising pipe 22, and the bottom is provided with return water pipe 23, and rising pipe 22 is connected with return water pipe and is connected respectively with hot device two ends, consist of closed heat exchange loop, the thermal energy transfer in the stove is arrived use thermal field institute.
The 5th kind of embodiment: as shown in figure 11, burner hearth 2 is provided with filter gear sieve 24 in the inwall inboard that blast tube 8 enters a side, and filter gear sieve 24 is connected by multi-piece baffle plate 25 and forms, and leaves the gap between each baffle plate 25.The effect of this filter gear sieve 24 is that handle does not have the fuel of after-flame to stop, because the temperature of baffle plate 25 is very high, fuel can further burn after touching baffle plate, and the fuel that does not burnout is fallen negative pressure mouth 10 again, again gets burning.Most of hot gas flow then flows out from the gap between the baffle plate 25, enters heat accumulation chamber 3 from defeated heat mouth 9.The defeated heat mouth 9 here is also not quite alike with the structure of precedent, and the inwall of burner hearth 2 links to each other with blast tube 8, and the lower side space of blast tube 8 is connected with burner hearth 2 and heat accumulation chamber 3, is equivalent to fail hot mouthful 9, illustrates that the form of failing heat mouth 9 also can be diversified.
In addition, the exit end upside of the blast tube among the figure is equipped with the choke plate 19 of setting and inflection.Its effect is to stop fuel and the air-flow that does not enter negative pressure mouth 10, forces its backflow to enter negative pressure mouth 9 and again sprays burning, prevents this part fuel whereabouts and increases residual.
Under normal circumstances, this stove and accessory does not have ash content residual, but when using unreasonable or breaking down, also ash content may occur.For this reason, below body of heater 1, be provided with ash removing opening 26, the ash removing opening 26 upper coarse and lower fine tapers that are, in ball float is arranged, ball float falls at ordinary times, closes taper hole, with pushing away ball float on the stove hook, ashes can fall during deashing.
The 6th kind of embodiment: as shown in figure 12, pick out a testing tube 28 at burner hearth or heat accumulation chamber, the other end of testing tube 28 is provided with the miniature igniter head 29 with valve.Igniter head 29 among the figure is in below the porthole 30 of body of heater 1 gas burning hood, effect is before using fire, open first valve, light miniature igniter head 29, igniter head is very little, lights rear shape such as wax head, can observe combustion gas generation and reserve status in the stove, and take measures for situation, by oxygenation or refuel, adjust aerogenesis condition in the stove.29 gas quantities of this miniature igniting are very little, can light for a long time continuously, observe at any time gas condition.Also can add the vessel such as kettle in the above, effectively utilize this part combustion gas.
Experimental results show that, this overlaps observing device, can substitute the furnace temperature sensor and the multiple testing tool that involve great expense, by estimating situation about just can understand in the stove, be convenient to artificial adjustment, also can adopt other automatic measure of control, guarantee the normal operation of stove and accessory, the gas condition of avoiding at present middle-size and small-size civilian gasification stove to exist is difficult to grasp, blindly operation, the problem of low temperature or burning.
Claims (10)
1. biomass dynamically gasifying stove, comprise body of heater (1), burner hearth (2) and blower fan (7), the blast tube (8) of blower fan (7) enters burner hearth (2) from body of heater (1) one side, it is characterized in that: said body of heater (1) internal furnace (2) is provided with heat accumulation chamber (3) before, be provided with a plurality of heat-absorbing blocks (4) in the heat accumulation chamber (3), top, heat accumulation chamber (3) is provided with gas line (5), said blast tube (8) passes heat accumulation chamber (3) and enters burner hearth (2), blast tube (8) enter burner hearth (2) burner hearth (2) inwall and right burner hearth (2) inwall of blast tube (8) port of process, and burner hearth (2) inwall of blast tube (8) top, to be connected to form continuous dome-shaped curved surface by a plurality of arc surfaces are round and smooth, burner hearth (2) inwall enters a side at blast tube (8) and has the defeated heat mouthful (10) that is communicated with heat accumulation chamber (3) and burner hearth (2), the upside of the interior blast tube of burner hearth (2) (8) has negative pressure mouth (11), combustion air first negative pressure mouth (11) the one lateral edges below of process is provided with the wind pressing piece (16) of oblique bending, fuel-supply pipe (6) is connected in body of heater (1) outside blast tube (8) top, the blast inlet of blower fan (7) links to each other with Smoking pipe (9) with inlet pipe (14) respectively, and inlet pipe (14) and Smoking pipe (9) are provided with switch (15).
2. biomass dynamically gasifying stove according to claim 1 is characterized in that: the end that said Smoking pipe (9) enters burner hearth (2) is equipped with filter petticoat pipe (12).
3. biomass dynamically gasifying stove according to claim 2, it is characterized in that: the inlet end of said filter petticoat pipe (12) is provided with filtering net (13).
4. biomass dynamically gasifying stove according to claim 2, it is characterized in that: shown in filter petticoat pipe (12) be by the helical cylinder (17) of sheet material along archimedes spiral disc volume, helical cylinder (17) closed at both ends, the below is provided with into mouth (18), advance mouth (18) and be provided with multi-disc catch (19), the central tube (20) of helical cylinder (17) is connected with Smoking pipe (9).
5. biomass dynamically gasifying stove according to claim 1 is characterized in that: the blast tube (8) that said defeated heat mouthful (10) is opened at burner hearth (2) inwall enters the place.
6. biomass dynamically gasifying stove according to claim 1 is characterized in that: said blast tube (8) is located to disconnect at negative pressure mouth (11).
7. biomass dynamically gasifying stove according to claim 1, it is characterized in that: the outer water jacket (21) that is arranged with of said body of heater (1), water jacket (21) is provided with rising pipe (22) and return water pipe (23), rising pipe (22) and return water pipe (23) with join with the two ends of hot device.
8. biomass dynamically gasifying stove according to claim 1, it is characterized in that: said burner hearth (2) is provided with filter gear sieve (24) in the inwall inboard that blast tube (8) enters a side, the filter baffle plate is formed by multi-piece baffle plate (25) docking, and each baffle plate leaves the gap between (25).
9. biomass dynamically gasifying stove according to claim 1 is characterized in that: the exit end upside of said blast tube (8) is equipped with to be erect and the choke plate (27) of inflection.
10. biomass dynamically gasifying stove according to claim 1, it is characterized in that: said burner hearth (2) or heat accumulation chamber (3) pick out a testing tube (28), and the other end of testing tube (28) is provided with the miniature igniter head (29) with valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201149669U CN203256232U (en) | 2013-03-12 | 2013-03-12 | Biomass dynamic gasifying furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201149669U CN203256232U (en) | 2013-03-12 | 2013-03-12 | Biomass dynamic gasifying furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203256232U true CN203256232U (en) | 2013-10-30 |
Family
ID=49468816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201149669U Withdrawn - After Issue CN203256232U (en) | 2013-03-12 | 2013-03-12 | Biomass dynamic gasifying furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203256232U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146430A (en) * | 2013-03-12 | 2013-06-12 | 张建臣 | Dynamic biomass gasifier |
| CN104001778A (en) * | 2014-05-21 | 2014-08-27 | 新疆兵团水利水电工程集团有限公司 | Water stopping copper molding press and manufacturing method thereof |
| CN105444184A (en) * | 2015-12-09 | 2016-03-30 | 张建臣 | Harmless garbage incineration furnace |
-
2013
- 2013-03-12 CN CN2013201149669U patent/CN203256232U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146430A (en) * | 2013-03-12 | 2013-06-12 | 张建臣 | Dynamic biomass gasifier |
| CN104001778A (en) * | 2014-05-21 | 2014-08-27 | 新疆兵团水利水电工程集团有限公司 | Water stopping copper molding press and manufacturing method thereof |
| CN104001778B (en) * | 2014-05-21 | 2016-08-17 | 新疆兵团水利水电工程集团有限公司 | Copper seal forming press and manufacture method thereof |
| CN105444184A (en) * | 2015-12-09 | 2016-03-30 | 张建臣 | Harmless garbage incineration furnace |
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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: 20131030 Effective date of abandoning: 20140319 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20140319 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |