CN201706520U - Feeding and distributing device for biomass molding fuel - Google Patents
Feeding and distributing device for biomass molding fuel Download PDFInfo
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- CN201706520U CN201706520U CN2010202205342U CN201020220534U CN201706520U CN 201706520 U CN201706520 U CN 201706520U CN 2010202205342 U CN2010202205342 U CN 2010202205342U CN 201020220534 U CN201020220534 U CN 201020220534U CN 201706520 U CN201706520 U CN 201706520U
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Abstract
The utility model discloses a boiler feeding system, which comprises a feeding machine and a fuel distributing device, wherein a gradually widened type fuel distributing channel is arranged in the fuel distributing device; the narrower end of the fuel distributing channel is connected and communicated with the feeding machine, while the wider end of the fuel distributing channel is connected and communicated with a feed opening of the boiler; and a plurality of distributing bodies used for distributing fuel are arranged in the fuel distributing channel from the narrower end to the wider end. As the gradually widened type fuel distributing channel is arranged in the fuel distributing device of the utility model, under the condition that the size of a discharge opening of the feeding machine is unchanged, the fuel is less susceptible to blocking when entering the boiler, and the area of the fuel falling into the boiler is enlarged, so that the fuel is dispersed and the burning is sufficient.
Description
Technical field
The utility model relates to the feeding system of boiler plant, and more particularly, the utility model relates to a kind of feed feeding-distribution device of biomass molding fuel and steam generator system that adopts this feed feeding-distribution device of being used for.
Background technology
At present, Industrial Boiler is a main fuel with oil, natural gas and coal still mainly.Along with the continuous rising of oil and natural gas price, many enterprises have been difficult to bear so high fuel cost; Though coal-fired cost is relatively low, because nitrogen oxide and environmental pollution of sulfide in its combustion product are more and more serious, national policy has strictly limited and has used coal fuel.And that biomass fuel generates sulfur content, the nitrogen content of flue gas when burning because of it is low, and pollutant is few, and derives from agriculture and forestry organic waste material, and feed distribution is extensive, and output is big, and cost is low, is typical recycling economy project, is more and more favored.But, biomass fuel can cause existing combustion apparatus to produce many problems because of different with the common fuel characteristic, especially on the feeding structure of fuel, the putty phenomenon takes place in granular biomass molding fuel easily when feed, and the granular fuel that is transported on the fire grate easily is deposited on a bit, it is insufficient to cause burning, and produces black smoke, thereby need improve.
Chinese patent ZL98236525.X discloses a kind of boiler raw coal layering charging gear, it comprises housing, coal bunker, the coal flashboard of band handle, give feed roller, coal scraper plate, fire grate sprocket wheel, drive sprocket and chain, it is characterized in that give feed roller below spillplate and screen cloth are set, make coal in the coal bunker through dropping on the screen cloth by adjusting the coal flashboard to feed roller, screen cloth is fallen fire coal on the fire grate after by large and small, middle grain sorting again.Though this charging gear can be handled the raw coal layering according to the quality of fire coal, make to keep gap and gas permeability between the coal grain, improved coal-fired efficiency of combustion, coal flashboard, spillplate and the mesh structure of below causes fuel to stop up easily.
Chinese patent application 200910071884 discloses a kind of blocking-resistant flame-resistant biomass boiler front-furnace feeding device, the feed inlet end of material feeding ante-chamber is provided with fire barrier, the discharge port end of material feeding ante-chamber is communicated with the sidewall of housing, centrifugal apron feeder is arranged in the material feeding ante-chamber, the putty controller is between centrifugal apron feeder and fire barrier, the putty plate is arranged in the material feeding ante-chamber, position sensor is arranged on the outside of material feeding ante-chamber, the putty plate is connected with position sensor, two variable-pitch propeller blade symmetries are installed in the rotating shaft, the rotating shaft that two variable-pitch propeller blades are housed is arranged in the housing, two end plates cover respectively on the both ends of the surface of housing, rotating shaft is installed on the frame by bearing, and the output shaft of motor is connected with rotating shaft, and housing two ends sidewall is communicated with the upper end of the oblique type square tube of furnace wall respectively.This blocking-resistant flame-resistant biomass boiler front-furnace feeding device has solved the biomass boiler front-furnace feeding device and has had easily obstruction, the fire-hazardous problem of material feeding ante-chamber, advances effectively to stop feeding device to catch fire.But; this biomass boiler front-furnace feeding device can not solve skewness after the granular biomass fuel charging; easily be deposited in a bit and go up and the problem insufficient, that produce black smoke that causes burning; and it has used electronic components such as sensor; many, the complicated integral structure of building block, thereby mechanical disorder takes place easily cause shutdown loss.
Summary of the invention
At the shortcoming of prior art, the purpose of this utility model provides a kind of feed feeding-distribution device of biomass molding fuel and steam generator system that adopts this feed feeding-distribution device of being used for.Evenly feeding of feed feeding-distribution device of the present utility model makes the boiler feeding system can not stop up.
On the one hand, in order to realize above-mentioned goal of the invention, the utility model provides the feed that is used for biomass molding fuel feeding-distribution device, wherein, in the feed feeding-distribution device, be provided with the gradually sub-material passage of wide formula, its narrow end is connected with batcher and communicates, and its wide end is connected with the charging aperture of boiler and communicates, and is provided with a plurality of branch fluids that are used to shunt fuel from narrow end to wide end in the sub-material passage.
Preferably, the arranged distribution of branch fluid with the sub-material passage from narrow to wide.
Preferably, divide fluid by the array arranged distribution, mutual dislocation setting between the branch fluid of adjacent two row.
Preferably, divide the fluid projection to be arranged on the bottom surface of described sub-material passage, its height is greater than 1/2nd of sub-material channel height.
Further, on minute fluid, be provided with the shunting inclined-plane that flows for fuel.
Preferably, divide two shunting inclined-planes that are equipped with on the fluid along the y direction symmetrical distribution of sub-material passage at each, these two angles of shunting between the inclined-plane are equal to or less than 90 degree.The y direction of sub-material passage is meant the direction from narrow end to wide end.
Preferably, the sub-material passage is obliquely installed, and forms an acute angle with horizontal plane.
Preferably, the shape of sub-material passage is trapezoidal, fan-shaped, taper or tubaeform.
Further, feeding-distribution device is connected with batcher by a doffer perpendicular to horizontal plane and communicates.
Preferably, boiler is fuel used is granular biomass molding fuel.
On the other hand, in order to realize above-mentioned goal of the invention, the utility model also provides a kind of steam generator system that adopts biomass molding fuel, and this steam generator system adopts above-mentioned feed feeding-distribution device.
Compared with prior art, feeding-distribution device of the present utility model is provided with the gradually sub-material passage of wide formula, under the big or small constant situation of the discharging opening of batcher, is not easy putty when entering boiler, and increased fuel and dropped into areal extent in the boiler, fuel evenly disperses and sufficient combustion.
Description of drawings
Fig. 1 is a composition schematic diagram of the present utility model.
Fig. 2 is that the feeding-distribution device A of Fig. 1 is to schematic diagram.
The specific embodiment
See also Fig. 1 and Fig. 2, it (is bio-mass fuels that the boiler feeding system of present embodiment is mainly used in biomass shaping fuel-combustion, abbreviation BMF) heat-conducting oil furnace and steam boiler, it comprises batcher 1, it also comprises respectively and is connected the feeding-distribution device 3 that communicates with the charging aperture of batcher, boiler 2, between the discharging opening of batcher 1 and feeding-distribution device 3, be connected with a doffer 4 perpendicular to horizontal plane, these doffer 4 tops connect with batcher 1 by a flange 5, and the particulate biomass shaped fuel enters feeding-distribution device 3 by the blanking channel 6 of doffer 4.This feeding-distribution device is the sub-feed tube that is isosceles trapezoid, upper and lower side plate and left and right side plate by this sub-feed tube surround the sub-material passage 7 that is isosceles trapezoid equally, the top face opening of sub-feed tube forms the narrow end 8 of sub-material passage, this narrow end is connected with the lower end of doffer 4 and communicates, the following face opening of sub-feed tube forms the wide end 9 of sub-material passage, and this wide end 9 is connected with the boiler feed mouth by flange 10 and communicates; The lower side panel 11 of sub-feed tube is 50 degree with the angle of horizontal plane, and the following face base angle of sub-material passage 7 is 60 degree; On the lower side panel 11 (bottom surface) in the sub-material passage, direction from narrow end to wide end is disposed with the branch fluid 12 that is used to shunt fuel by triangular form or trapezoidal array, this minute, fluid 12 was an angle of 90 degrees steel body, the angle that is two inclined-planes of angle steel is 90 degree, and two inclined-planes become miter angle with the y direction of sub-material passage.
The particulate biomass shaped fuel that screw(-type) feeder or star-shaped feeding machine transfer out because the blanking channel of doffer vertically is provided with, makes fuel enter feeding-distribution device fast at the uniform velocity by doffer; The isosceles-trapezium-shaped of sub-material passage, the base angle on its wide base are designed to 60 degree, help the certain fuel shunting stroke and the symmetrical distribution of increase, maintenance of blanking scope; The sub-material passage becomes 50 angles with horizontal level, can guarantee that fuel relies on self gravitation to fall naturally, and not stop up; Angle steel array setting in the sub-material passage makes fuel shunt naturally by the shunting inclined-plane, and the final fuel that flow out each position in the wide end exit of sub-material passage evenly distributes and disperses and falls into the boiler material inlet, falls smooth combustion on the fire grate then.
Feeding-distribution device of the present utility model does not use electric control element, pure frame for movement, and it is low to make simple cost, not only energy-conservation but also increase the service life.
In other embodiments, can as the shape and the size of biomass molding fuel, between spending, angular range 45 degree and 85 of horizontal plane choose a proper angle at the sub-material passage, further combined with concrete condition to guarantee the speed of passing through of fuel; The shell shape of feeding-distribution device can be for wide formula gradually, as long as sub-material passage wherein is set to gradually wide formula shape, as shapes such as fan-shaped, tubaeform or tapers; Flow dividing structure in the sub-material passage also may be selected to be single clinohedral, note staggering when arranged evenly, and the direction that makes the inclined-plane outwardly, can realize the effect of above-mentioned double inclined plane body such as angle steel equally, also can select the structure of the mobile or rolling of other suitable fuel.
Though the utility model discloses as above with 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 invention scope of the present utility model, when doing a little improvement, promptly every equal improvement of doing according to the utility model should be invention scope of the present utility model and contains.
Claims (10)
1. feed feeding-distribution device that is used for biomass molding fuel, it is characterized in that, in described feed feeding-distribution device, be provided with the gradually sub-material passage of wide formula, its narrow end is connected with batcher and communicates, its wide end is connected with the charging aperture of boiler and communicates, and is provided with a plurality of branch fluids that are used to shunt fuel from narrow end to wide end in the sub-material passage.
2. feed feeding-distribution device as claimed in claim 1 is characterized in that, the arranged distribution of described minute fluid with the sub-material passage from narrow to wide.
3. feed feeding-distribution device as claimed in claim 2 is characterized in that, fluid was pressed the array arranged distribution in described minute, mutual dislocation setting between the branch fluids of adjacent two row.
4. feed feeding-distribution device as claimed in claim 1 is characterized in that, the fluid projection was arranged on the bottom surface of described sub-material passage in described minute, and its height is greater than 1/2nd of sub-material channel height.
5. feed feeding-distribution device as claimed in claim 4 is characterized in that, was provided with the shunting inclined-plane that flows for fuel on the fluid at described minute.
6. feed feeding-distribution device as claimed in claim 5 is characterized in that, is equipped with two shunting inclined-planes that are symmetrically distributed along the y direction of sub-material passage in described minute on the fluid at each, and these two angles of shunting between the inclined-plane are equal to or less than 90 degree.
7. feed feeding-distribution device as claimed in claim 1 is characterized in that, described sub-material passage is obliquely installed, and forms an acute angle with horizontal plane.
8. feed feeding-distribution device as claimed in claim 1 is characterized in that, trapezoidal, fan-shaped, taper or tubaeform that the shape of described sub-material passage is.
9. feed feeding-distribution device as claimed in claim 7 is characterized in that, described feeding-distribution device is connected with batcher by a doffer perpendicular to horizontal plane and communicates.
10. a steam generator system that adopts biomass molding fuel is characterized in that, described steam generator system adopts as the described feed feeding-distribution device of one of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202205342U CN201706520U (en) | 2010-06-09 | 2010-06-09 | Feeding and distributing device for biomass molding fuel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202205342U CN201706520U (en) | 2010-06-09 | 2010-06-09 | Feeding and distributing device for biomass molding fuel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201706520U true CN201706520U (en) | 2011-01-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202205342U Expired - Lifetime CN201706520U (en) | 2010-06-09 | 2010-06-09 | Feeding and distributing device for biomass molding fuel |
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| Country | Link |
|---|---|
| CN (1) | CN201706520U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956993A (en) * | 2010-06-09 | 2011-01-26 | 广州迪森热能技术股份有限公司 | Feeding and splitting device for biomass briquettes |
| CN106196137A (en) * | 2016-08-31 | 2016-12-07 | 苏州迪森生物能源有限公司 | A kind of feed distribution mechanism of biomass boiler |
| CN109882837A (en) * | 2018-12-27 | 2019-06-14 | 安徽省鑫恒生物颗粒能源有限公司 | A kind of application method of biomass combustion furnace |
-
2010
- 2010-06-09 CN CN2010202205342U patent/CN201706520U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101956993A (en) * | 2010-06-09 | 2011-01-26 | 广州迪森热能技术股份有限公司 | Feeding and splitting device for biomass briquettes |
| CN106196137A (en) * | 2016-08-31 | 2016-12-07 | 苏州迪森生物能源有限公司 | A kind of feed distribution mechanism of biomass boiler |
| CN109882837A (en) * | 2018-12-27 | 2019-06-14 | 安徽省鑫恒生物颗粒能源有限公司 | A kind of application method of biomass combustion 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: 20110112 Effective date of abandoning: 20111123 |