CN201858629U - Vertical biomass combustion steam boiler - Google Patents
Vertical biomass combustion steam boiler Download PDFInfo
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- CN201858629U CN201858629U CN2010202727268U CN201020272726U CN201858629U CN 201858629 U CN201858629 U CN 201858629U CN 2010202727268 U CN2010202727268 U CN 2010202727268U CN 201020272726 U CN201020272726 U CN 201020272726U CN 201858629 U CN201858629 U CN 201858629U
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Abstract
The utility model discloses a vertical biomass combustion steam boiler, which comprises a boiler body and a base for supporting the boiler body, wherein a fixed fire grate is arranged at the bottom in the boiler body and above the base, a hearth is arranged above the fixed fire grate, smoke pipes used for heat exchange are arranged above the hearth, a smoke chamber is arranged above the smoke pipes, a primary air pipe is arranged below a main burning area of the fixed fire grate in a centered manner, secondary air pipes are arranged above the fixed fire grate, and turbolators with interference to flue gas flow are arranged in the smoke pipes. In the vertical biomass combustion steam boiler, the combustion efficiency of fuel is high, the turbulence of flue gas in the flowing process is enhanced through the turbolators arranged in the smoke pipes, and the heat convection is reinforced, so that the smoke temperature at an outlet is effectively reduced, and the efficiency of the boiler is further improved.
Description
Technical field
The utility model relates to steam boiler, relates in particular to a kind of steam boiler of biomass burning.
Background technology
Chinese patent ZL 200420046759 discloses a kind of energy-conservation quick steam oven, this steam oven has body of heater, boiler tube and burner, the bottom of body of heater is provided with burner, the top of burner hearth is provided with floss hole, described body of heater is an interlayer, its top has and the extraneous steam outlet that communicates, described boiler tube is a straight tube, be divided at least three layers in the shape of a spiral the horizontal parallel arrangement of shape in burner hearth, two of every boiler tube is stretched out burner hearth and is connected by the bend pipe of caliber less than boiler tube in interlayer, the top that bottom boiler tube connects the described burner hearth of water inlet also has a dividing plate, and a tank is set on the dividing plate, and the outlet of the superiors' boiler tube is communicated with tank.This energy-conservation quick steam oven makes transversely arranged straight boiler tube into by the helix tube that setting is arranged in the burner hearth, and the bend pipe caliber that will connect every boiler tube is designed to the caliber less than boiler tube, make the Lower Half of every boiler tube form certain water level, during high temperature, there is a certain amount of steam water to contact in the every boiler tube, made full use of the energy with the boiler tube of heating.
Chinese patent ZL 200410004409 discloses a kind of steam boiler, and this boiler is made up of boiler body, burner installing port, last water preheater, steamdrum (have and press hot-water boiler not have steamdrum), fire tube radiant section and the inner fire tube convection section that steel pipe and finned tube are housed.Because steel pipe and finned tube are housed in the convection section of fire tube, improved the heat transfer property of convection section, improved the thermal efficiency of stove.On the body of heater shell, be provided with rupture pressure disc (inspection opening of holding concurrently) in addition, on flue, be provided with explosion proof door, improved the security of boiler, also be convenient to deashing maintenance in the stove simultaneously.Boiler adopts complete skid-mounted structure, promptly boiler body, steamdrum, Shang Shui (backwater) preheater, water circulating pump, by-pass valve control, electric cabinet, chimney is installed on the sledge seat.Thereby can be the user saves installation fee, reduces construction period and floor space.
Chinese patent ZL200620127951 discloses a kind of energy-saving steam boiler, comprise boiler body, be arranged in the boiler body and by the steam chest of making of fire tube as thermal source, with make Pressure gauge and the relief valve that steam chest is communicated with, be located at the combustion chamber of making the steam chest below at interval, make steam chest and be in communication with the outside by steam (vapor) outlet, the water inlet of offering on the boiler body outer wall, fire tube one end opening connects combustion chamber, and its other end is opened on outside the boiler body through making steam chest; Make be provided with above the steam chest at least one independently waste heat make steam chest, fire tube successively through make steam chest, waste heat is made the steam chest after-opening outside boiler body, waste heat is made steam chest and is in communication with the outside by water inlet, steam (vapor) outlet.The quantity of steam that this energy-saving steam boiler has solved existing boiler existence is few, the problem that the thermal efficiency is low.
Chinese patent ZL 200620093490 discloses a kind of steam boiler, comprise body of heater, bottom of furnace body is the combustion chamber, be communicated with smoke pipe above the body of heater, body of heater is the water-jacket typ body of heater that inner furnace body and external furnace body are formed, and the smoke pipe that body of heater is installed above also is the jacket type smoke pipe of internal flue and outer smoke pipe composition, and the chuck of smoke pipe is communicated with furnace water jacket, the smoke pipe top connects escape pipe, escape pipe junction chamber inner radiator.This steam boiler changes the water circulation of conventional boiler into the aqueous vapor circulation, by the combustion heat heat cycles water of boiler, and the steam inlet chamber inner radiator that recirculated water is produced, interior radiator heats room air by the heat of steam.Because steam boiler is as long as produce steam with a spot of recirculated water heating in the boiler, so more faster than the circulating water velocity in whole boiler of traditional heating and the radiator, simultaneously, the steam circulation is fast, heating room air that can be very fast.
But along with the continuous development of World Economics, the energy and environmental problem become increasingly conspicuous.The human main energy sources of using at present has 3 kinds of oil, natural gas and coals.According to International Energy Agency statistics, on the earth these 3 kinds of energy for time limits of human exploitation have only 40 years respectively, 50 years and 240 years.Tap a new source of energy and become the key subjects that concern human social.Biomass energy is the solar energy that is stored in by the photosynthesis of plant and solar energy in the plant.According to estimates, the annual energy of storing of plant is equivalent to 10 times that world's main fuel consumes, and is less than 1% of its total amount as the utilization of the energy.At present, countries in the world, especially developed country all are being devoted to develop efficient, free of contamination biomass energy utilization technologies, to reach the protection mineral resources, ensure energy security, realize CO
2Reduce discharging the purpose that promotes sustainable economic and social development.Biomass energy will become the future source of energy important component part, and the expert estimates that global total energy consumption in 2015 will have 40% from biomass energy.Wherein, directly burning in steam boiler is exactly one of mode of utilizing biomass energy.And above-mentioned each steam boiler of the prior art can not efficient burning in biomass burning particle process, and exhaust gas temperature is high, has a strong impact on the efficient of boiler, has caused the waste of the energy.
Summary of the invention
At the shortcoming of prior art, the purpose of this utility model provide a kind of can the efficient burning biological particles, reduce exhaust gas temperature and improve the vertical-type biomass-burning steam boiler of boiler efficiency.
To achieve these goals, the technical solution of the utility model is: a kind of vertical-type biomass-burning steam boiler, the base that comprises body of heater and support body of heater, be provided with fixed grate on bottom in body of heater, the base, be provided with burner hearth on the fire grate, be provided with the smoke pipe that is used to carry out heat exchange on the burner hearth, be provided with smoke-box on the smoke pipe, wherein, below the main combustion zone of fixed grate, concentrate airduct is set one time, secondary air channel is set above fixed grate, in smoke pipe, is provided with the turbolator of disturbing flow of flue gas.
Preferably, fixed grate is obliquely installed, with horizontal plane at angle.
The angular range that fixed grate tilts is spent between 20 degree 10, preferably, selects the inclination angles of 15 degree, has both reached the effect that fuel is difficult for accumulation, can load more fuel again and burn.
Preferably, turbolator is to be arranged on the also downward-sloping flow-disturbing inclined-plane of smoke pipe inwall or for being axially disposed within the straight plate at smoke pipe center, to connect downward-sloping swash plate in the both sides of this straight plate.The turbolator that joins in the smoke pipe can make the flue gas that flows in the smoke pipe produce tangible irregular movement, be equivalent in heat exchanger heat-exchanging tube, add the porous body of voidage ε 〉=95%, when the flue gas that flows in the smoke pipe is flowed through, will produce tangible disperse flowing effect in the runner; And turbolator downward-sloping is provided with can makes the landing and drop to ash bucket in the base smoothly of the flue dust that falls after rise from the smoke-box of top.In alternate manner, can fill up the spirality metal silk in the total length of smoke pipe, be interrupted that perhaps spiral coil being set, but the flue dust that falls after rise accumulates in easily wherein, influence flowing of flue gas.
Preferably, the angle of flow-disturbing inclined-plane or swash plate and horizontal plane is greater than 45 degree, and outline is streamlined.
Preferably, the deashing device that is provided with in base is the movable ash bucket of drawer type, is convenient to the deashing operation.
Preferably, the shape of smoke-box is up-narrow and down-wide, and similar bullet, the dust in most of flue gas fall sedimentation under colliding behind the inwall on smoke-box top, makes the dustiness of the flue gas of finally going out from outlet flue reduce greatly.
Preferably, be installed in access door position on the body of heater, be convenient to maintenance a little more than the fixed grate face.
Compared with prior art, in cooperating in the air feed system of airduct and secondary air channel, biomass fuel is abundant in the stove internal combustion, solid and heat loss due to unburned gases are very little, the efficiency of combustion height, and thereby the turbolator that is provided with in smoke pipe strengthened the disturbance of flue gas in flow process, strengthened heat convection and can effectively reduce outlet cigarette temperature, further improved boiler efficiency.
Description of drawings
The utility model is described in further detail below in conjunction with accompanying drawing.
Fig. 1 is the structural representation of the utility model vertical-type biomass-burning steam boiler.
Fig. 2 is the side view of Fig. 1.
Fig. 3 is the structural representation of the utility model turbolator.
Fig. 4 is the side view of Fig. 3.
The specific embodiment
See also Fig. 1 Fig. 2, Fig. 3 and Fig. 4, the vertical-type biomass-burning steam boiler of present embodiment, the base 2 that comprises body of heater 1 and support body of heater 1, be provided with fixed grate 3 on bottom in body of heater 1, the base 2, be provided with burner hearth 4 on the fire grate 3, be provided with many smoke pipes arranged side by side 5 that are used to carry out heat exchange on the burner hearth 4, be provided with smoke-box 6 on the smoke pipe 5, wherein, below the main combustion zone of fixed grate 3, concentrate airduct 7 is set one time, secondary air channel 8 is set above fixed grate 3, in smoke pipe 5, is provided with the turbolator 9 of disturbing flow of flue gas.Fixed grate 3 is obliquely installed, and becomes 15 degree angles with horizontal plane; Turbolator 9 connects downward-sloping swash plate 11 for being axially disposed within the straight plate 10 at smoke pipe center in the both sides of this straight plate, and swash plate 11 is spent greater than 45 with the angle of horizontal plane, and outline is streamlined; The deashing device that is provided with in base 2 is the movable ash bucket 12 of drawer type; The shape of smoke-box 6 is up-narrow and down-wide, similar bullet; Be installed in access door 13 positions on the body of heater 1 a little more than fixed grate 3.
As above structure, boiler of the present utility model has been equipped with and has been the custom-designed base of biomass burning particle, and the blowing system of its optimization provides necessary condition for the efficient burning biological particles; What combustion apparatus adopted is fixed grate, adopts an airduct to carry out the bottom in the main combustion zone of fire grate and concentrates air distribution, to guarantee having sufficient oxygen to satisfy the needs of fuel combustion in main combustion zone.The burning of biological particles is divided into following process: the drying of fuel is the burning of separating out of the separating out of moisture, volatile matter and burning, fixed carbon and burns.Separate out fast characteristics at the low volatile matter that reaches of biomass combustion ignition temperature, so on the body of heater of boiler, disposed secondary air channel, the purpose of secondary wind is exactly that the process of separating out fast and burning for volatile matter provides necessary oxygen, guarantees that the abundant burning of volatile matter improves efficiency of combustion.In addition, thus the purpose of having installed exclusive turbolator in Boiler smoke tube is in order to strengthen the disturbance of flue gas in flow process, to strengthen heat convection and can effectively reduce outlet cigarette temperature, improving boiler efficiency.This turbolator is to be made through punching press by corrosion resistant plate, and the both sides punching press turnover panel (being swash plate) of turbolator is not less than 45 ° to guarantee ash content landing smoothly in the flue gas with the angle of horizontal direction.
During work, biomass granule fuel is sent in the stove through charging aperture 14, so for preventing that the accumulation of fuel on fire grate from making grate surface and horizontal plane keep one 15 ° angle when mounted.At first make air-introduced machine be in crack state after lighting a fire successfully, along with the carrying out of burning progressively strengthened chilly wind again and open air blast.An airduct and the adjusting valve of secondary air channel of the fired state of based on fuel by fire grate bottom regulated size and ratio to wind in the combustion process, so that burning is in an optimum state.The flue gas that produced of burning through smoke pipe under the effect of turbolator and the outer water of smoke pipe strengthen heat convection, the low-temperature flue gas after the heat exchange enter the top smoke-box through air-introduced machine from outlet flue 15 discharges.The ash content that produced of burning falls into movable ash bucket under the fire grate by the fire grate gap, by movable ash bucket ash is shifted out outside the stove.
Though the utility model discloses as above with a preferred embodiment, be not in order to limit the scope that the utility model is implemented.Any those of ordinary skill in the art, in not breaking away from scope of the present utility model, when doing a little improvement, promptly every equal improvement of doing according to the utility model should be the utility model scope and contains.
Claims (9)
1. vertical-type biomass-burning steam boiler, the base that it comprises body of heater and supports body of heater, it is characterized in that, be provided with fixed grate on the bottom in described body of heater, the base, be provided with burner hearth on the fire grate, be provided with the smoke pipe that is used to carry out heat exchange on the burner hearth, be provided with smoke-box on the smoke pipe, wherein, below the main combustion zone of fixed grate, concentrate airduct is set one time, secondary air channel is set above fixed grate, in smoke pipe, is provided with the turbolator of disturbing flow of flue gas.
2. vertical-type biomass-burning steam boiler according to claim 1 is characterized in that described fixed grate is obliquely installed, with horizontal plane at angle.
3. vertical-type biomass-burning steam boiler according to claim 2 is characterized in that, the angular range of described inclination is between 10 degree are spent to 20.
4. vertical-type biomass-burning steam boiler according to claim 1 is characterized in that, described turbolator is to be arranged on smoke pipe inwall and downward-sloping flow-disturbing inclined-plane.
5. vertical-type biomass-burning steam boiler according to claim 1 is characterized in that, described turbolator is the straight plate that is arranged on the smoke pipe middle part, connects downward-sloping swash plate in the both sides of this straight plate.
6. according to claim 4 or 5 described vertical-type biomass-burning steam boilers, it is characterized in that the angle of described flow-disturbing inclined-plane or swash plate and horizontal plane is greater than 45 degree, and outline is streamlined.
7. vertical-type biomass-burning steam boiler according to claim 1 is characterized in that, the deashing device that is provided with in described base is the movable ash bucket of drawer type.
8. vertical-type biomass-burning steam boiler according to claim 1 is characterized in that the shape of described smoke-box is up-narrow and down-wide, tapered body.
9. vertical-type biomass-burning steam boiler according to claim 1 is characterized in that, is installed in access door position on the body of heater a little more than the fixed grate face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202727268U CN201858629U (en) | 2010-07-27 | 2010-07-27 | Vertical biomass combustion steam boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202727268U CN201858629U (en) | 2010-07-27 | 2010-07-27 | Vertical biomass combustion steam boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201858629U true CN201858629U (en) | 2011-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202727268U Expired - Fee Related CN201858629U (en) | 2010-07-27 | 2010-07-27 | Vertical biomass combustion steam boiler |
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| Country | Link |
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| CN (1) | CN201858629U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019441A (en) * | 2014-06-07 | 2014-09-03 | 宁波爱斯凯酒店用品有限公司 | Vapor generator |
| CN112815335A (en) * | 2020-12-31 | 2021-05-18 | 山东皓隆环境科技有限公司 | Tower type heat accumulating type incinerator system |
-
2010
- 2010-07-27 CN CN2010202727268U patent/CN201858629U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019441A (en) * | 2014-06-07 | 2014-09-03 | 宁波爱斯凯酒店用品有限公司 | Vapor generator |
| CN112815335A (en) * | 2020-12-31 | 2021-05-18 | 山东皓隆环境科技有限公司 | Tower type heat accumulating type incinerator system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110608 Termination date: 20190727 |