CN202675264U - Cyclone type boiler - Google Patents

Cyclone type boiler Download PDF

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Publication number
CN202675264U
CN202675264U CN 201220344622 CN201220344622U CN202675264U CN 202675264 U CN202675264 U CN 202675264U CN 201220344622 CN201220344622 CN 201220344622 CN 201220344622 U CN201220344622 U CN 201220344622U CN 202675264 U CN202675264 U CN 202675264U
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furnace wall
boiler
airduct
air
cyclone type
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CN 201220344622
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Chinese (zh)
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胡光
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Abstract

The utility model discloses a cyclone type boiler, which comprises a boiler wall, a blower and a spiral particle feeding conveyor, wherein the spiral particle feeding conveyor is connected to the upper middle part of the boiler wall; a boiler door and an ash outlet are formed in the lower end of the boiler wall; a flue gas discharge pipe is connected with the top of the boiler wall; a grate is close to the bottom of the boiler; a boiler wall air duct is arranged along the boiler wall; more than two air pipes of which the tops are sealed and which are communicated with the boiler wall air duct are arranged on the upper side of the boiler wall air duct and are attached to the boiler wall; the air pipes are arranged vertically; when the boiler wall is viewed from the interior of the boiler, ventilation holes are formed in the same side of the axes of the air pipes, so that wind from the inner parts of the ventilation holes forms vortexes in a hearth; the grate is arranged on the lower side of the boiler wall air duct; and air outlets are formed in the inner side of the boiler wall air duct. The cyclone type boiler has the advantages that the cyclone type boiler is simple in structure, convenient to operate and high in heat efficiency; an oxygen supplementing effect can be further enhanced; the particles in the spiral particle feeding conveyor after the spiral particle feeding conveyor stops feeding can be prevented from being ignited at high temperature; the heat radiation of the hearth can be also reduced to the maximum extent; oxygen can be supplemented to the hearth twice; and moreover, fuel is fully burned.

Description

The cyclone type boiler
Technical field
Present technique relates to a kind of cyclone type boiler.
Background technology
What the biological particles of tradition fixed type grate and briquetting boiler combustion were adopted is to use the air-introduced machine exhausting, also there is the mode that increases air blast air blast under fire grate to burn, this combustion grate needs certain space to satisfy the oxygenating of biomass molding fuel combustion process, fuel can not can not all cover fixed type grate in coking, otherwise over-emitting black exhaust can appear, if untimely processing will cause that burner hearth extinguishes when growing.Normal service time of a specified duration the furnace wall can tie the thick oil tar lump of one deck, affect the heat absorption of boiler, greatly reduce the thermal efficiency of boiler.China's technical patent (patent No.: 01264814.0) disclose a kind of vertical smokeless combustion boiler, comprise boiler body, base, ventilation equipment, fire grate, the combustion chamber, air distribution device is housed in the combustion chamber, and cyclone, base link to each other louver are housed, have 4-8 air ports on the air distribution device, cyclone is provided with the whirlwind mouth.Solid fuel adds the boiler furnace after-combustion by fire door during use, and the ventilation equipment required air that will burn is sent into air distribution and cyclone air distribution device and wind and is divided into thin thigh and sends into the combustion chamber simultaneously, and forms multi-level wind; Cyclone generates rotary wind screen, mixedly disturbs furnace gas air is fully contacted with combustible.Above-mentioned combustion furnace is complex structure not only, and the whirlwind wind-force that cyclone produces is limited, and the oxygenating amount is little, is not too desirable to the inhibitory action of furnace wall coking oil clot, thereby is difficult to keep the thermal efficiency of furnace wall.
Summary of the invention
The purpose of present technique is to provide a kind of gasification, and combustion ratio higher, and it is more abundant and clean to burn, and can avoid flood dragon to catch fire, can keep for a long time the cyclone type boiler of boiler thermal output.
For addressing the above problem, the technical scheme that present technique is taked is: a kind of cyclone type boiler, comprise the furnace wall, air blast and particulate charge flood dragon, the particulate charge flood dragon is connected to more than the middle part, furnace wall, the lower end, furnace wall is provided with fire door and ash hole, the top is connected with smoke discharge pipe, near the bottom fire grate is arranged, be provided with the air channel, furnace wall along the furnace wall, the airduct that the furnace wall is provided with two above top seals that communicate with the air channel, furnace wall is being pasted in top, air channel, furnace wall, and airduct is vertically placed, and looks toward the furnace wall direction from boiler internal, described airduct has air vent in the same side of axis, makes the wind that blows out in the air vent become eddy current at freeze profile; It is characterized in that: described fire grate is arranged on below, air channel, furnace wall; Inboard, air channel, described furnace wall has air outlet.The wind that high pressure blower blows out enters the air channel, furnace wall, entered in the airduct of the vertical placement identical with it by the air channel, furnace wall again, owing to look toward the furnace wall direction from boiler internal, airduct has air vent in the same side of axis, so the wind in the airduct can blow towards same direction along the furnace wall by the wind hole, so that produce the eddy current whirlwind in the burner hearth.Again since fire grate be arranged on the air channel, furnace wall below, so can also set up air outlet on the air channel, furnace wall, air outlet faces burning particles and blows, and further strengthens taking a tonic or nourishing food to build up one's health of particle.
As the further improved technical scheme of present technique, described air outlet is evenly distributed on the air channel, furnace wall.
As the further improved technical scheme of present technique, paste furnace wall (1) in top, air channel, described furnace wall (8) and be provided with the tornadotron (12) that communicates with air channel, furnace wall (8), tornadotron (12) is vertically placed, and tornadotron (12) upper end is opening (13); Described particulate charge flood dragon (3) comprises the charging inclined tube (16) that flood dragon (14), charging straight tube (15) and bottom are downward-sloping; The charging inclined tube stretches in the furnace wall; Flood dragon (14) is positioned at charging straight tube (15), and charging straight tube (15) and charging inclined tube (16) are connected; Also comprise cooling outer tube (17), described cooling outer tube (17) outer wall is sealedly connected on furnace wall (1) upward and an end stretches in the furnace wall (1), and charging inclined tube (16) is positioned at cooling outer tube (17); Cooling outer tube (17) is positioned at furnace wall (1) outer an end and charging inclined tube (16) and is tightly connected, and cooling outer tube (17) stretches into Length Ratio charging inclined tube (16) in the furnace wall (1), and to stretch into the interior length in furnace wall (1) long; Form cooling space (18) between cooling outer tube (17) and the charging inclined tube (16), opening (13) is connected with cooling space (18).Flood dragon is positioned at the charging straight tube, be that flood dragon enters the place that is connected that reaches charging straight tube and charging inclined tube, when flood dragon quits work, because particle flows in the burner hearth by the deadweight nature from downward-sloping charging inclined tube, just can keep not having particle in the charging inclined tube, and then keep between the interior high-temperature flue gas of particle and burner hearth in the flood dragon at intervals; In addition, cold wind enters in the cooling space from tornadotron, cold air in the cooling space plays the effect of cooling charging inclined tube, moreover, be exhaust outlet between the port of the charging inclined tube in the furnace wall and cooling outer tube, cold air in the tornadotron out enters cooling space from opening, discharge from exhaust outlet, near burner hearth the time, the wind between cooling outer tube and the charging inclined tube will blow to burner hearth uniformly again, change burner hearth fire direction, it is not blown in the charging inclined tube, thereby form the cold wind barrier one, reduce to greatest extent the burner hearth heat radiation, and can secondary to hearth oxygenating, promote fuel combustion, in other words, the gas that exhaust outlet is discharged can also change the heat radiation direction, and can secondary to hearth oxygenating, promote fuel combustion; Above-mentioned at intervals, cooling and change three active sets of heat radiation direction altogether, can prevent better that particle in the flood dragon from causing the hidden danger of burning after charging stops.
As the further improved technical scheme of present technique, described airduct and joint portion, furnace wall are curved, and arc two ends and furnace wall are inboard fits.Airduct and joint portion, furnace wall are curved, and arc two ends and furnace wall are inboard fits, again owing to the position in wind hole is fixed, so install more convenient.
As the further improved technical scheme of present technique, described airduct evenly arranges along the furnace wall.Evenly setting is not only attractive in appearance, and the eddy current whirlwind that produces is comparatively desirable.
As the further improved technical scheme of present technique, the air vent on the described airduct divides and plants close upper dredge.Like this so that the fuel on the furnace wall obtains more oxygen supply, thereby burning is more abundant, reaches the purpose of energy savings.
As the further improved technical scheme of present technique, be equipped with the wild goose wing of the consistent inclination of inclination direction on the inwall of described tornadotron and the inwall of airduct, make the wind that blows out in the wind that blows out in the tornadotron and the airduct be whirlwind.The wild goose wing becomes certain inclination angle with pipeline, can produce whirlwind, has increased whole cyclone effect.
The wind that this boiler adopts the mesohigh air blast to blow out is sent to airduct by the air channel, furnace wall again by pipeline and blows along the furnace wall direction strong through the wind hole, and fire grate is positioned at below, air channel, furnace wall, the air channel, furnace wall is provided with air outlet, further strengthens the biomass solid shaping fuel oxygenating to burning.Burner hearth produces eddy current cyclone firing state, the needed oxygen that burns is by the side supply, no longer by the oxygenating of fire grate slit, even all covering fire grate also, the fuel coking can keep good fired state, over-emitting black exhaust does not appear, because the flue gas of burning burns at the burner hearth cyclone type, so the time that flue gas stops in burner hearth is longer than traditional straight following formula, so that fire box temperature is higher, just in time adapted to the characteristic of biomass solid shaping fuel needs at the above Pintsch process of 700 degree, the gasification, and combustion ratio is higher, and it is more abundant and clean to burn.Owing to be that whirlwind washes away the furnace wall, the furnace wall is not easy the coking oil clot, can keep for a long time boiler thermal output simultaneously.In addition, near burner hearth the time, the wind between cooling outer tube and the charging straight tube will blow to burner hearth uniformly, change burner hearth fire direction, it is not blown in the charging inclined tube, thereby form the cold wind barrier one, reduce to greatest extent the burner hearth heat radiation, and can secondary to hearth oxygenating, promote fuel combustion, in other words, the gas that exhaust outlet is discharged can also change the heat radiation direction, and can secondary to hearth oxygenating, promote fuel combustion; Above-mentioned at intervals, cooling and change three active sets of heat radiation direction altogether, can prevent better that particle in the flood dragon from causing the hidden danger of burning after charging stops.
In sum, the beneficial effect of present technique is: simple in structure, easy to operate, can further strengthen oxygenating, the flood dragon endoparticle is lighted by high temperature after can preventing from stopping charging, also can reduce to greatest extent the burner hearth heat radiation, and can secondary to hearth oxygenating, and fuel combustion is more abundant, and boiler thermal output is high.
Description of drawings
Fig. 1 is the front view of present technique cyclone type boiler.
Fig. 2 is the top view of present technique cyclone type boiler.
Fig. 3 is the furnace wall air channel structure schematic diagram of present technique.
Fig. 4 is the wild goose fin structure schematic diagram of present technique.
Fig. 5 is the perspective view of present technique.
Be described further below in conjunction with the specific embodiment of accompanying drawing to present technique.
The specific embodiment
Such as Fig. 1, Fig. 2 and shown in Figure 5, this cyclone type boiler comprises furnace wall 1, air blast 2 and particulate charge flood dragon 3, particulate charge flood dragon 3 is connected to more than 1 middle part, furnace wall, 1 lower end, furnace wall is provided with fire door 4 and ash hole 5, the top is connected with smoke discharge pipe 6, near the bottom fire grate 7 is arranged, 1 is provided with air channel, furnace wall 8 along the furnace wall, the airduct 9 that furnace wall 1 is provided with two above top seals that communicate with air channel, furnace wall 8 is being pasted in 8 tops, air channel, furnace wall, airduct 9 is vertically placed, look toward furnace wall 1 direction from boiler internal, described airduct 9 has air vent 10 in the same side of axis, makes the wind that blows out in the air vent 10 become eddy current at freeze profile; Described fire grate 7 is arranged on 8 belows, air channel, furnace wall; Referring to Fig. 3,8 inboards, air channel, described furnace wall have air outlet 11.Described air outlet 11 is evenly distributed on the air channel, furnace wall 8.The wind that high pressure blower blows out enters air channel, furnace wall 8, entered in the airduct 9 of the vertical placement identical with it by air channel, furnace wall 8 again, owing to look toward furnace wall 1 direction from boiler internal, airduct 9 has air vent 10 in the same side of axis, so the wind in the airduct 9 can 1 blow towards same direction along the furnace wall by wind hole 10, so that produce the eddy current whirlwind in the burner hearth.Again since fire grate 7 be arranged on air channel, furnace wall 8 below, so can also set up air outlet 11 on air channel, furnace wall 8, air outlet 11 faces burning particles and blows, and further strengthens taking a tonic or nourishing food to build up one's health of particle.
Pasting furnace wall 1 and be provided with the tornadotron 12 that communicates with air channel, furnace wall 8 above air channel, described furnace wall 8, tornadotron 12 is vertically placed, and tornadotron 12 upper ends are opening 13; Pasting furnace wall 1 and be provided with the tornadotron 12 that communicates with air channel, furnace wall 8 above air channel, described furnace wall 8, tornadotron 12 is vertically placed, and tornadotron 12 upper ends are opening 13; Described particulate charge flood dragon 3 comprises the charging inclined tube 16 that flood dragon 14, charging straight tube 15 and bottom are downward-sloping; The charging inclined tube stretches in the furnace wall; Flood dragon 14 is positioned at charging straight tube 15, and charging straight tube 15 and charging inclined tube 16 are connected; Also comprise cooling outer tube 17, described cooling outer tube 17 outer walls are sealedly connected on the furnace wall 1 and an end stretches in the furnace wall 1, and charging inclined tube 16 is positioned at cooling outer tube 17; Cooling outer tube 17 is positioned at furnace wall 1 outer an end and charging inclined tube 16 and is tightly connected, and cooling outer tube 17 stretches into Length Ratio charging inclined tube 16 in the furnace wall 1, and to stretch into the interior length in furnace wall 1 long; Form cooling space 18 between cooling outer tube 17 and the charging inclined tube 16, opening 13 is connected with cooling space 18.Flood dragon is positioned at the charging straight tube, it is the place that is connected that flood dragon 14 enters charging straight tube 15 and charging inclined tube 16, when flood dragon 14 quits work, because particle flows in the burner hearth by the deadweight nature from downward-sloping charging inclined tube 16, just can keep not having particle in the charging inclined tube 16, and then keep between the interior high-temperature flue gas of particle and burner hearth in the flood dragon 14 at intervals; In addition, cold wind enters in the cooling space 18 from tornadotron 12, cold air in the cooling space 18 plays the effect of cooling charging inclined tube 16, moreover, be exhaust outlet 20 between the port of the charging inclined tube 16 in furnace wall 1 and cooling outer tube 17, cold air in the tornadotron 12 out enters cooling space 18 from opening 13, discharge from exhaust outlet 20, near burner hearth the time, the wind between cooling outer tube 17 and the charging inclined tube 16 will blow to burner hearth uniformly again, change burner hearth fire direction, it is not blown in charging inclined tube 16, thereby form the cold wind barrier one, reduce to greatest extent the burner hearth heat radiation, and can secondary to hearth oxygenating, promote fuel combustion, in other words, the gas that exhaust outlet 20 is discharged can also change the heat radiation direction, and can secondary to hearth oxygenating, promote fuel combustion; Above-mentioned at intervals, cooling and change three active sets of heat radiation direction altogether, can prevent better that particle in the flood dragon from causing the hidden danger of burning after charging stops.
In the present embodiment, described airduct 2 is curved with 5 joint portions, furnace wall, arc two ends and furnace wall 5 inboard applyings; State tornadotron 12 and airduct 9 also can adopt pipe, referring to Fig. 4, be equipped with the wild goose wing 19 of the consistent inclination of inclination direction on the inwall of the inwall of described tornadotron 12 and airduct 9, make the wind that blows out in the wind that blows out in the tornadotron 12 and the airduct 9 be whirlwind, adopt the former in the present embodiment.Described airduct 2 evenly arranges along the furnace wall.Air vent on the described airduct 2 planted close upper dredging in 9 minutes.
This cyclone type boiler in use, biomass granule fuel enters boiler by particulate charge flood dragon 3, air blast 2 provides high-pressure blast simultaneously, high-pressure blast blows out the air channel, furnace wall 8 that enters behind air blast 2 air ports above the fire grate 7, air channel, furnace wall 8 is provided with air outlet 11, and again because air channel, furnace wall 8 connects airduct 9, thereby high-pressure blast is discharged from air outlet 11 on the one hand, upwards enter simultaneously the airduct 9 of burner hearth sidewall, and then blow out by the air vent 10 on the airduct 9; Particle on 11 pairs of fire grates 7 of air outlet is forced oxygenating so on the one hand, increase combustion efficiency, on the other hand, flare enters airduct 9 positions, owing to look toward furnace wall 1 direction from boiler internal, air vent 10 is opened the same side at airduct 9 axis, make the wind that blows out in the air vent 10 become eddy current at freeze profile, so that the flue gas of burner hearth internal combustion at the burner hearth cyclone type upwards, can again strengthen to the oxygenating of gasification, and combustion thing, further promote burning, final flue gas is by the smoke discharge pipe 6 output boilers at top, discarded particle packing after the burning cleans out waste particulate material after the burning by ash hole 5 on the fire grate 7 of bottom.

Claims (7)

1. cyclone type boiler, comprise furnace wall (1), air blast (2) and particulate charge flood dragon (3), particulate charge flood dragon (3) is connected to more than the middle part, furnace wall (1), lower end, furnace wall (1) is provided with fire door (4) and ash hole (5), the top is connected with smoke discharge pipe (6), near the bottom fire grate (7) is arranged, (1) is provided with air channel, furnace wall (8) along the furnace wall, the airduct (9) that furnace wall (1) is provided with two above top seals that communicate with air channel, furnace wall (8) is being pasted in top, air channel, furnace wall (8), airduct (9) is vertically placed, look toward furnace wall (1) direction from boiler internal, described airduct (9) has air vent (10) in the same side of axis, make the wind that blows out in the air vent (10) become eddy current at freeze profile; It is characterized in that: described fire grate (7) is arranged on below, air channel, furnace wall (8); Inboard, air channel, described furnace wall (8) has air outlet (11).
2. cyclone type boiler according to claim 1, it is characterized in that: described air outlet (11) is evenly distributed on the air channel, furnace wall (8).
3. cyclone type boiler according to claim 1 and 2, it is characterized in that: pasting furnace wall (1) in top, air channel, described furnace wall (8) and be provided with the tornadotron (12) that communicates with air channel, furnace wall (8), tornadotron (12) is vertically placed, and tornadotron (12) upper end is opening (13); Described particulate charge flood dragon (3) comprises the charging inclined tube (16) that flood dragon (14), charging straight tube (15) and bottom are downward-sloping; The charging inclined tube stretches in the furnace wall; Flood dragon (14) is positioned at charging straight tube (15), and charging straight tube (15) and charging inclined tube (16) are connected; Also comprise cooling outer tube (17), described cooling outer tube (17) outer wall is sealedly connected on furnace wall (1) upward and an end stretches in the furnace wall (1), and charging inclined tube (16) is positioned at cooling outer tube (17); Cooling outer tube (17) is positioned at furnace wall (1) outer an end and charging inclined tube (16) and is tightly connected, and cooling outer tube (17) stretches into Length Ratio charging inclined tube (16) in the furnace wall (1), and to stretch into the interior length in furnace wall (1) long; Form cooling space (18) between cooling outer tube (17) and the charging inclined tube (16), opening (13) is connected with cooling space (18).
4. cyclone type boiler according to claim 3 is characterized in that: described airduct (2) is curved with joint portion, furnace wall (1), arc two ends and furnace wall (1) inboard applying.
5. cyclone type boiler according to claim 4, it is characterized in that: described airduct (2) evenly arranges along the furnace wall.
6. cyclone type boiler according to claim 5 is characterized in that: the air vent (9) on the described airduct (2) minute plants close upper dredging.
7. cyclone type boiler according to claim 6, it is characterized in that: be equipped with the wild goose wing (19) of the consistent inclination of inclination direction on the inwall of described tornadotron (12) and the inwall of airduct (9), make the wind that blows out in the wind that blows out in the tornadotron (12) and the airduct (9) be whirlwind.
CN 201220344622 2012-07-17 2012-07-17 Cyclone type boiler Expired - Lifetime CN202675264U (en)

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Application Number Priority Date Filing Date Title
CN 201220344622 CN202675264U (en) 2012-07-17 2012-07-17 Cyclone type boiler

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Application Number Priority Date Filing Date Title
CN 201220344622 CN202675264U (en) 2012-07-17 2012-07-17 Cyclone type boiler

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798118A (en) * 2012-07-17 2012-11-28 胡光 Cyclone boiler
CN103591573A (en) * 2013-10-28 2014-02-19 杨恒灼 Biomass combustion furnace

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102798118A (en) * 2012-07-17 2012-11-28 胡光 Cyclone boiler
CN102798118B (en) * 2012-07-17 2015-02-25 胡光 Cyclone boiler
CN103591573A (en) * 2013-10-28 2014-02-19 杨恒灼 Biomass combustion furnace
CN103591573B (en) * 2013-10-28 2017-02-08 泉州恒灼热力机械科技有限公司 Biomass combustion furnace

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AV01 Patent right actively abandoned

Granted publication date: 20130116

Effective date of abandoning: 20150225

RGAV Abandon patent right to avoid regrant