CN204923427U - High -efficient biomass boiler - Google Patents
High -efficient biomass boiler Download PDFInfo
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- CN204923427U CN204923427U CN201520607713.4U CN201520607713U CN204923427U CN 204923427 U CN204923427 U CN 204923427U CN 201520607713 U CN201520607713 U CN 201520607713U CN 204923427 U CN204923427 U CN 204923427U
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- flue gas
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- boiler
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Abstract
The utility model discloses a high -efficient biomass boiler, including boiler body, boiler body is water jacket structure, last delivery port, return water mouth and the residual heat from flue gas device of being provided with of boiler body, boiler body includes the furnace of front side and the smoke -box of rear side, furnace with through the intercommunication mouth switch -on of lower extreme, be provided with the grate pipe in the furnace between the smoke -box, the grate pipe is divided into furnace and is upper and lower first combustion chamber and second combustion chamber, and the furnace upper end is provided with finned tube heat transfer district, be provided with the flue gas baffle in the smoke -box, fixed connection is on the smoke -box inside wall for flue gas baffle one end, throws out of gear between the other end and the lateral wall that corresponds, forms the passageway that lets the flue gas pass through, and the top and the below of flue gas baffle all are provided with many evenly distributed and runner pipe that boiler water jacket structure communicates. The utility model aims at providing a high -efficient biomass boiler has reduced the loss of heat energy, makes the utilization of heat energy maxmizingization, makes the great improvement of original thermal efficiency.
Description
Technical field
The utility model relates to boiler technology field, particularly relates to a kind of efficient biomass boiler.
Background technology
Biomass fuel is the crops utilizing all wastes such as stalk, paddy rice stalk, yule logs, wood chip, peanut shell, melon seed cases, beet pulp, bark, through being pulverized and mixed the techniques such as extruding oven dry, finally makes granular fuel.In China, its raw material are widely distributed, and processing technology is advanced, and biomass energy particle material is famous with green coal, is a kind of clear energy sources.As the fuel of boiler, its burning time is long, and overheavy firing fire box temperature is high, and economical and practical, simultaneously to environment without any pollution, CO zero-emission, SO zero-emission, belong to the renewable sources of energy, reusable edible, can replace timber, coal, natural gas.
Utility model content
The purpose of this utility model is to provide a kind of efficient biomass boiler, decrease the loss of heat energy, heat energy is made to reach maximized utilization, original thermal efficiency is improved greatly, finally improves operating efficiency, and biological particles can be made to obtain sufficient burning, low-carbon energy-saving, achieve the sustainable use of the energy, without tar, non-wastewater discharge, avoid secondary pollution.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of efficient biomass boiler of the utility model, comprise boiler body, described boiler body is jacket structure for water, described boiler body is provided with delivery port, water return outlet and flue gas waste heat recovery apparatus; Described boiler body comprises the burner hearth of front side and the smoke-box of rear side; Connected entrance by lower end between described burner hearth and described smoke-box is connected, furnace grate tube is provided with in described burner hearth, burner hearth is divided into the first combustion chamber and the second combustion chamber that go to upper and lower by described furnace grate tube, is respectively arranged with the first fire door and the second fire door outside described first combustion chamber and the second combustion chamber; Described burner hearth upper end is provided with finned tube heat transfer zone, and described finned tube heat transfer zone comprises the many finned tubes be communicated with boiler water nested structure; Described second bottom of combustion chamber is provided with fire grate; At least one flue gas dividing plate is provided with in described smoke-box, described flue gas dividing plate one end is fixedly connected on smoke-box madial wall, do not connect between the other end and corresponding sidewall, form the passage allowing flue gas pass through, above and below described flue gas dividing plate, be provided with the many equally distributed runner pipes be communicated with boiler water nested structure.
Further, maintenance is provided with between described first fire door and the second fire door stifled.
Further, described smoke-box lower end outside is provided with sewage draining exit.
Further, be provided with 2 flue gas dividing plates in described smoke-box, go to upper and lower layout; One end of one of them flue gas dividing plate is fixedly connected with smoke-box inner left wall, forms the passage allowing flue gas pass through on the right side of the other end and smoke-box between inwall; Another flue gas dividing plate one end connects inwall on the right side of smoke-box, forms the passage allowing flue gas pass through between the other end and smoke-box inner left wall.
Further, described furnace grate tube is obliquely installed in burner hearth, to increase the contact area of the first combustion chamber and the second combustion chamber and to facilitate ashes to clear up, is more conducive to flue gas enters rear side smoke-box from the first combustion chamber simultaneously.
Further, described smoke-box upper end is provided with flue gas waste heat recovery apparatus.
Compared with prior art, Advantageous Effects of the present utility model:
Flue gas dividing plate is set in smoke-box, greatly increases the time of staying of flue gas in smoke-box, strengthen heat exchange efficiency, improve heat utilization rate, and two flue gas baffle design, make to form three heat exchange backhauls in smoke-box; Finned tube heat transfer zone is set, increases heat exchange efficiency further.
Illustrate that the utility model is described in further detail below in conjunction with accompanying drawing.
Accompanying drawing explanation
Fig. 1 be the utility model efficient biomass boiler face structural representation;
Fig. 2 is the side view of the utility model efficient biomass pot.
Description of reference numerals: 1-boiler body; 2-burner hearth; 3-smoke-box; 4-furnace grate tube; 5 first combustion chambers; 6-second combustion chamber; 7-first fire door; 8-second fire door; 9-flue gas dividing plate; 10-runner pipe; 11-intermediate plate; 12-atmospheric air port; 13-delivery port; 14-finned tube heat transfer zone; 15-water return outlet; 16-sewage draining exit; 17-flue gas waste heat recovery apparatus; 18-fire grate; 19-connected entrance; 20-maintenance is stifled.
Detailed description of the invention
As shown in Figure 1, a kind of efficient biomass boiler, comprises boiler body 1, and boiler body 1 is jacket structure for water, described boiler body 1 is provided with delivery port 13 and water return outlet 15, boiler body 1 comprises the burner hearth 2 of front side and the smoke-box 3 of rear side, has intermediate plate 11 therebetween, connected entrance 19 by lower end between burner hearth 2 and smoke-box 3 is connected, the flue gas in burner hearth 2 is made to enter smoke-box 3, furnace grate tube 4 is provided with in burner hearth 2, burner hearth 2 is divided into outside the first combustion chamber 5 and the second combustion chamber, combustion chamber 6, first 5 and the second combustion chamber 6 that go to upper and lower and is respectively arranged with the first fire door 7 and the second fire door 8 by furnace grate tube 4, burner hearth 2 upper end is provided with finned tube heat transfer zone 14, and finned tube heat transfer zone 14 comprises the many finned tubes be communicated with boiler water nested structure, and upper end, finned tube heat transfer zone 14 is provided with atmospheric air port 12, fire grate 18 is provided with bottom second combustion chamber 6, 2 flue gas dividing plates are provided with in smoke-box 3, present, lower layout, one end of one of them flue gas dividing plate 9 is fixedly connected with smoke-box 3 inner left wall, the passage allowing flue gas pass through is formed between inwall on the right side of the other end and smoke-box 3, another flue gas dividing plate 9 one end connects inwall on the right side of smoke-box 3, the passage allowing flue gas pass through is formed between the other end and smoke-box 3 inner left wall, the many equally distributed runner pipes 10 be communicated with boiler water nested structure are provided with above and below flue gas dividing plate 9, smoke-box top is provided with flue gas waste heat recovery apparatus 17, flue gas waste heat recovery apparatus 17 comprises multiple runner pipe connected with the jacket structure for water of boiler body 1.
Wherein be provided with maintenance stifled 20 between the first fire door 7 and the second fire door 8; Smoke-box 3 lower end outside is provided with sewage draining exit 16; Furnace grate tube 4 is obliquely installed in burner hearth 2, to increase the contact area of the first combustion chamber 5 and the second combustion chamber 6 and to facilitate ashes to clear up, is more conducive to flue gas from the first combustion chamber 5 by the second combustion chamber 6 simultaneously, enters the smoke-box 3 of rear side through connected entrance 19; Smoke-box 3 upper end is provided with flue gas waste heat recovery apparatus 17.
Flue gas enters the second combustion chamber 6 from the first combustion chamber 5 and enters smoke-box through connected entrance 19, then successively through three backhauls of two flue gas dividing plates 9 formation, sufficient heat exchange is carried out with the runner pipe 10 in smoke-box, with the water in heating stream pipe, last flue gas is discharged after flue gas waste heat recovery apparatus 17 carries out last heat exchange; Heat transfer process also can be carried out in the finned tube heat transfer zone that first upper end, combustion chamber 5 is arranged simultaneously, improves heat exchange efficiency further.
Above-described embodiment is only be described preferred embodiment of the present utility model; not scope of the present utility model is limited; under the prerequisite not departing from the utility model design spirit; the various distortion that those of ordinary skill in the art make the technical solution of the utility model and improvement, all should fall in protection domain that the utility model claims determine.
Claims (6)
1. an efficient biomass boiler, is characterized in that: comprise boiler body, and described boiler body is jacket structure for water, described boiler body is provided with delivery port, water return outlet and flue gas waste heat recovery apparatus; Described boiler body comprises the burner hearth of front side and the smoke-box of rear side; Connected entrance by lower end between described burner hearth and described smoke-box is connected, furnace grate tube is provided with in described burner hearth, burner hearth is divided into the first combustion chamber and the second combustion chamber that go to upper and lower by described furnace grate tube, is respectively arranged with the first fire door and the second fire door outside described first combustion chamber and the second combustion chamber; Described burner hearth upper end is provided with finned tube heat transfer zone, and described finned tube heat transfer zone comprises the many finned tubes be communicated with boiler water nested structure; Described second bottom of combustion chamber is provided with fire grate; At least one flue gas dividing plate is provided with in described smoke-box, described flue gas dividing plate one end is fixedly connected on smoke-box madial wall, do not connect between the other end and corresponding sidewall, form the passage allowing flue gas pass through, above and below described flue gas dividing plate, be provided with the many equally distributed runner pipes be communicated with boiler water nested structure.
2. a kind of efficient biomass boiler according to claim 1, is characterized in that: be provided with maintenance between described first fire door and the second fire door stifled.
3. a kind of efficient biomass boiler according to claim 1, is characterized in that: described smoke-box lower end outside is provided with sewage draining exit.
4. a kind of efficient biomass boiler according to claim 1, is characterized in that: be provided with 2 flue gas dividing plates in described smoke-box, go to upper and lower layout; One end of one of them flue gas dividing plate is fixedly connected with smoke-box inner left wall, forms the passage allowing flue gas pass through on the right side of the other end and smoke-box between inwall; Another flue gas dividing plate one end connects inwall on the right side of smoke-box, forms the passage allowing flue gas pass through between the other end and smoke-box inner left wall.
5. a kind of efficient biomass boiler according to claim 1, it is characterized in that: described furnace grate tube is obliquely installed in burner hearth, to increase the contact area of the first combustion chamber and the second combustion chamber and to facilitate ashes to clear up, be more conducive to flue gas enters rear side smoke-box from the first combustion chamber simultaneously.
6. a kind of efficient biomass boiler according to claim 1, is characterized in that: described smoke-box upper end is provided with flue gas waste heat recovery apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607713.4U CN204923427U (en) | 2015-08-13 | 2015-08-13 | High -efficient biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520607713.4U CN204923427U (en) | 2015-08-13 | 2015-08-13 | High -efficient biomass boiler |
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| Publication Number | Publication Date |
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| CN204923427U true CN204923427U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520607713.4U Active CN204923427U (en) | 2015-08-13 | 2015-08-13 | High -efficient biomass boiler |
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| CN (1) | CN204923427U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664301A (en) * | 2017-09-28 | 2018-02-06 | 天津征鑫热能设备制造有限公司 | A kind of preparation method of efficient biomass boiler |
| CN112393271A (en) * | 2020-11-17 | 2021-02-23 | 连云港佑丰电力设备有限公司 | Air preheater |
| CN113864751A (en) * | 2021-09-24 | 2021-12-31 | 武汉蓝颖新能源有限公司 | Anti-scald biomass boiler for industrial steam supply based on hot gas diversion |
| WO2023288328A1 (en) * | 2021-07-16 | 2023-01-19 | Georgia Tech Research Corporation | Two-chamber combustion system |
-
2015
- 2015-08-13 CN CN201520607713.4U patent/CN204923427U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107664301A (en) * | 2017-09-28 | 2018-02-06 | 天津征鑫热能设备制造有限公司 | A kind of preparation method of efficient biomass boiler |
| CN112393271A (en) * | 2020-11-17 | 2021-02-23 | 连云港佑丰电力设备有限公司 | Air preheater |
| WO2023288328A1 (en) * | 2021-07-16 | 2023-01-19 | Georgia Tech Research Corporation | Two-chamber combustion system |
| CN113864751A (en) * | 2021-09-24 | 2021-12-31 | 武汉蓝颖新能源有限公司 | Anti-scald biomass boiler for industrial steam supply based on hot gas diversion |
| CN113864751B (en) * | 2021-09-24 | 2024-05-07 | 武汉蓝颖新能源有限公司 | Scald-preventing type industrial biomass boiler for steam supply based on hot gas diversion |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhang Wei Inventor after: Wang Jing Inventor after: Zhang Yonghe Inventor before: Zhang Xiong Inventor before: Wang Jing Inventor before: Zhang Yonghe |
|
| COR | Change of bibliographic data |