CN104456547A - Feeding structure for suspension combustion biomass boiler - Google Patents
Feeding structure for suspension combustion biomass boiler Download PDFInfo
- Publication number
- CN104456547A CN104456547A CN201410689657.3A CN201410689657A CN104456547A CN 104456547 A CN104456547 A CN 104456547A CN 201410689657 A CN201410689657 A CN 201410689657A CN 104456547 A CN104456547 A CN 104456547A
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- CN
- China
- Prior art keywords
- feed
- burner hearth
- cylindrical shell
- changeover portion
- falling hopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Solid-Fuel Combustion (AREA)
Abstract
The invention provides a feeding structure for a suspension combustion biomass boiler, and effectively solves the problem that when the conventional biomass fuel is directly applied to production process of a common coal fired boiler, a coal scuttle is easy to ignite due to high temperature flue gas in a furnace chamber, so as to ensure production safety. The feeding structure comprises a feeding box, wherein the feeding box is mounted at the feeding end of a fire grate. The feeding structure is characterized in that a discharging hopper is fixedly mounted at the upper part of the feeding box; a feeding transition section is formed at the bottom space of the feeding box, and is horizontally communicated with the furnace chamber, a discharging adjusting device is mounted at the lower part of the discharging hopper, and biomass particles in the discharging hopper fall into the feeding transition section through the discharging adjusting device, and are conveyed into the furnace chamber to be fully combusted through the fire grate.
Description
Technical field
The present invention relates to biomass boiler technical field, be specially the feeding structure of suspension combustion biomass boiler.
Background technology
The conventional energy resource (coal, oil etc.) of China is in short supply has in recent years had a strong impact on socioeconomic fast development, and fossil energy concentrates use on a large scale, discharge the materials such as great amount of carbon dioxide, sulfur dioxide, nitrogen oxide, cause harm to the living environment of the mankind.Country has promulgated that " Renewable Energy Law " will strengthen the developmental research of renewable energy technologies energetically for this reason.Biomass energy, as the fourth-largest energy resource, occupies critical role in regenerative resource.Exploitation biomass energy both can supplement the shortage of conventional energy resource, also had great environmental benefit.Compare with other biological mass-energy source technology, biomass granule fuel technology more easily realizes large-scale production and use, uses the comfort level of biological particles can match in excellence or beauty with combustion gas, fuel oil equal energy source.
Because biomass boiler is New-type boiler, most of biomass boiler adopts the structure of common coal-burning boiler substantially for now, in use, often occurs that high-temperature flue gas in burner hearth ignites the problem of the biomass fuel in coal bunker, causes the accident.
Summary of the invention
For the problems referred to above, the invention provides the feeding structure of suspension combustion biomass boiler, it effectively can solve existing biomass fuel and directly apply in the process that common coal-burning boiler produces high-temperature flue gas in burner hearth and easily to ignite the problem of coal bunker, guarantees production safety.
Its technical scheme is such, the feeding structure of suspension combustion biomass boiler, it comprises feed box, described feed box is installed on the feed end of fire grate, it is characterized in that: the top of described feed box is fixed with material-falling hopper, the bottom space of described feed box defines feed changeover portion and described feed changeover portion and the horizontal UNICOM of burner hearth, described material-falling hopper bottom is provided with blanking adjusting device, and the biological particles in described material-falling hopper to be fallen in described feed changeover portion by described blanking adjusting device and is conveyed into burner hearth Thorough combustion by described fire grate.
Further, described blanking adjusting device comprises the cylindrical shell of hollow and regulates roller, described cylindrical shell be fixedly arranged on described material-falling hopper bottom and described cylinder lumen and described material-falling hopper through, described adjustment roller is installed in described cylindrical shell, and the axis of described adjustment roller is vertical with the blanking direction of described material-falling hopper, the periphery wall of described adjustment roller is circumferentially uniform is provided with at least two feed baffle plates, described roller and drive motors electricly connect, the lower end of described cylindrical shell is opening-like, biological particles falls in described cylindrical shell through material-falling hopper, described roller rotates and makes the feed baffle plate biological particles synchronously stirred in described cylindrical shell of its periphery fall on described fire grate under the control of described drive motors, the biological particles of described whereabouts is conveyed into burner hearth Thorough combustion by described fire grate.
Further, described burner hearth face arch place is provided with water spray humidification system near the position of described feed box side.
Further, the side that described feed box is positioned at described feed changeover portion is provided with a residue-removing door.
Further, the top of the feed changeover portion of described feed box and the horizontal connection position of described burner hearth is provided with gate, regulates by regulating the vertical position of described gate the height entering the biological particles of described burner hearth from described feed changeover portion.
Beneficial effect of the present invention is: the biological particles in material-falling hopper is fallen into blanking changeover portion by blanking adjusting device and is conveyed in burner hearth by fire grate and burns, blanking adjusting device wherein can according to the blanking speed of the corresponding adjustment biological particles of burner hearth endogenous substance particle burning situation, therefore can effectively avoid occurring the too fast situation causing biological particles to be piled up at fire grate of blanking, thus effectively can overcome high-temperature flue gas in burner hearth and to ignite the problem of hopper; Burner hearth face arch place is provided with water spray humidification system near the position of feed box side, when the biological particles in feed changeover portion is ignited, opens water spray humidification system, just can put out by water rapidly by the fuel lighted, thus protection feed box, material-falling hopper are not burned; In addition, the side that feed box is positioned at feed changeover portion is provided with a residue-removing door, when biological particles blocks at feed changeover portion overheap, this residue-removing door can be opened, remove the biological particles piled up, effectively preventing the biological particles because piling up in feed changeover portion from too much being ignited by the high-temperature flue gas of scurrying out in burner hearth, guaranteeing production safety; In addition, the top of the feed changeover portion of feed box and the horizontal connection position of described burner hearth is provided with gate, by regulating the vertical position of this gate that the height entering the biological particles of burner hearth from feed changeover portion can be regulated namely to regulate feeding coal, thus ensure the sufficient combustion of the biological particles in burner hearth.
Accompanying drawing explanation
Fig. 1 is the feeding structure schematic diagram of suspension combustion biomass boiler of the present invention.
Detailed description of the invention
See Fig. 1, the feeding structure of suspension combustion biomass boiler, it comprises feed box 9, feed box 9 is installed on the feed end of fire grate 7, the top of feed box 9 is fixed with material-falling hopper 1, the bottom space of feed box 9 defines feed changeover portion 6 and feed changeover portion 6 and the horizontal UNICOM of burner hearth 10, and material-falling hopper 1 bottom is provided with blanking adjusting device, and the biological particles 2 in material-falling hopper 1 to be fallen in feed changeover portion 6 by blanking adjusting device and is conveyed into burner hearth 10 Thorough combustion by fire grate 7.Wherein, blanking adjusting device comprises the cylindrical shell 11 of hollow and regulates roller 8, cylindrical shell 11 be fixedly arranged on material-falling hopper 1 bottom and cylindrical shell 11 inner chamber and material-falling hopper 1 through, roller 8 is regulated to be installed in cylindrical shell 11, and regulate the axis of roller 8 vertical with the blanking direction of material-falling hopper 1, the periphery wall of adjustment roller 8 is circumferentially uniform is provided with at least two feed baffle plates 12, in the present embodiment, feed baffle plate 12 is provided with four, roller 8 and drive motors electricly connect, the lower end of cylindrical shell 11 is opening-like, biological particles falls in cylindrical shell 11 through material-falling hopper 1, roller 8 rotates and makes the synchronous biological particles stirred in cylindrical shell 11 of the feed baffle plate 12 of its periphery fall on fire grate 7 under the control of drive motors, the biological particles of whereabouts is conveyed into burner hearth 10 Thorough combustion by fire grate 7.
Burner hearth 10 face arch place is provided with water spray humidification system 5 near the position of feed box 9 side, when the biological particles in feed changeover portion is ignited, open water spray humidification system, just can put out by water rapidly by the fuel lighted, thus protection feed box, material-falling hopper are not burned; The side that feed box 9 is positioned at feed changeover portion 6 is provided with a residue-removing door 4, biological particles is when feed changeover portion overheap blocks, this residue-removing door can be opened, remove the biological particles piled up, effectively preventing the biological particles because piling up in feed changeover portion from too much being ignited by the high-temperature flue gas of scurrying out in burner hearth, guaranteeing production safety; The feed changeover portion 6 of feed box 9 is provided with gate 3 with the top of the horizontal connection position of burner hearth 10, and its vertical position by regulating gate 3 regulates the height of the biological particles entering burner hearth 10 from feed changeover portion 6.
Claims (5)
1. the feeding structure of suspension combustion biomass boiler, it comprises feed box (9), described feed box (9) is installed on the feed end of fire grate (7), it is characterized in that: the top of described feed box (9) is fixed with material-falling hopper (1), the bottom space of described feed box (9) defines feed changeover portion (6) and described feed changeover portion (6) and burner hearth (10) horizontal UNICOM, described material-falling hopper (1) bottom is provided with blanking adjusting device, biological particles (2) in described material-falling hopper (1) is fallen in described feed changeover portion (6) by described blanking adjusting device and is also conveyed into burner hearth (10) Thorough combustion by described fire grate (7).
2. the feeding structure of suspension combustion biomass boiler according to claim 1, it is characterized in that: described blanking adjusting device comprises the cylindrical shell (11) of hollow and regulates roller (8), described cylindrical shell (11) be fixedly arranged on described material-falling hopper (1) bottom and described cylindrical shell (11) inner chamber and described material-falling hopper (1) through, described adjustment roller (8) is installed in described cylindrical shell (11), and the axis of described adjustment roller (8) is vertical with the blanking direction of described material-falling hopper (1), the periphery wall of described adjustment roller (8) is circumferentially uniform is provided with at least two feed baffle plates (12), described roller (8) and drive motors electricly connect, the lower end of described cylindrical shell (11) is opening-like, biological particles (2) falls in described cylindrical shell (11) through material-falling hopper (1), described roller (8) rotates and makes the biological particles in the synchronously described cylindrical shell of the stirring (11) of the feed baffle plate (12) of its periphery fall on described fire grate (7) under the control of described drive motors, the biological particles of described whereabouts is conveyed into burner hearth (10) Thorough combustion by described fire grate (7).
3. the feeding structure of suspension combustion biomass boiler according to claim 1, is characterized in that: described burner hearth (10) face arch place is provided with water spray humidification system (5) near the position of described feed box (9) side.
4. the feeding structure of suspension combustion biomass boiler according to claim 1, is characterized in that: the side that described feed box (9) is positioned at described feed changeover portion (6) is provided with a residue-removing door (4).
5. the feeding structure of suspension combustion biomass boiler according to claim 1, it is characterized in that: the feed changeover portion (6) of described feed box (9) is provided with gate (3) with the top of the horizontal connection position of described burner hearth (10), regulates by regulating the vertical position of described gate (3) height entering the biological particles of described burner hearth (10) from described feed changeover portion (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689657.3A CN104456547A (en) | 2014-11-27 | 2014-11-27 | Feeding structure for suspension combustion biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410689657.3A CN104456547A (en) | 2014-11-27 | 2014-11-27 | Feeding structure for suspension combustion biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104456547A true CN104456547A (en) | 2015-03-25 |
Family
ID=52903033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410689657.3A Pending CN104456547A (en) | 2014-11-27 | 2014-11-27 | Feeding structure for suspension combustion biomass boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104456547A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202563A (en) * | 2015-09-30 | 2015-12-30 | 浙江杭振锅炉有限公司 | Dual-purpose hopper for boiler |
| CN107191940A (en) * | 2017-05-27 | 2017-09-22 | 湖南绿依环保科技有限公司 | A kind of domestic garbage incineration equipment |
| CN111536546A (en) * | 2020-06-09 | 2020-08-14 | 湖南长宏锅炉科技股份有限公司 | Uniform feeding device of biomass boiler |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050230224A1 (en) * | 2004-04-20 | 2005-10-20 | Alstom Technology Ltd | Apparatus for controlling the deposition of feed material on a deposition build-up surface |
| PL63521Y1 (en) * | 2004-04-26 | 2007-12-31 | Fpm Sa | Boiler furnace fuel feeder |
| CN203605258U (en) * | 2013-12-10 | 2014-05-21 | 北京奥科瑞丰节能技术有限公司 | Pneumatic feeding device and biomass briquette boiler |
| CN203771386U (en) * | 2014-04-10 | 2014-08-13 | 湖南湘牵锅炉有限公司 | Feeding device of chain grate boiler for combusting biomass particles |
| CN203810436U (en) * | 2014-04-04 | 2014-09-03 | 上海益格新技术工程有限公司 | Feeding device for biomass granular fuel |
| CN204372919U (en) * | 2014-11-27 | 2015-06-03 | 江苏太湖锅炉股份有限公司 | A kind of feeding structure of suspension combustion biomass boiler |
-
2014
- 2014-11-27 CN CN201410689657.3A patent/CN104456547A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050230224A1 (en) * | 2004-04-20 | 2005-10-20 | Alstom Technology Ltd | Apparatus for controlling the deposition of feed material on a deposition build-up surface |
| PL63521Y1 (en) * | 2004-04-26 | 2007-12-31 | Fpm Sa | Boiler furnace fuel feeder |
| CN203605258U (en) * | 2013-12-10 | 2014-05-21 | 北京奥科瑞丰节能技术有限公司 | Pneumatic feeding device and biomass briquette boiler |
| CN203810436U (en) * | 2014-04-04 | 2014-09-03 | 上海益格新技术工程有限公司 | Feeding device for biomass granular fuel |
| CN203771386U (en) * | 2014-04-10 | 2014-08-13 | 湖南湘牵锅炉有限公司 | Feeding device of chain grate boiler for combusting biomass particles |
| CN204372919U (en) * | 2014-11-27 | 2015-06-03 | 江苏太湖锅炉股份有限公司 | A kind of feeding structure of suspension combustion biomass boiler |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105202563A (en) * | 2015-09-30 | 2015-12-30 | 浙江杭振锅炉有限公司 | Dual-purpose hopper for boiler |
| CN107191940A (en) * | 2017-05-27 | 2017-09-22 | 湖南绿依环保科技有限公司 | A kind of domestic garbage incineration equipment |
| CN111536546A (en) * | 2020-06-09 | 2020-08-14 | 湖南长宏锅炉科技股份有限公司 | Uniform feeding device of biomass boiler |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |