CN108662761A - The low nitrogen boiler special for biomass of integrated high-efficiency - Google Patents
The low nitrogen boiler special for biomass of integrated high-efficiency Download PDFInfo
- Publication number
- CN108662761A CN108662761A CN201810587581.1A CN201810587581A CN108662761A CN 108662761 A CN108662761 A CN 108662761A CN 201810587581 A CN201810587581 A CN 201810587581A CN 108662761 A CN108662761 A CN 108662761A
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- China
- Prior art keywords
- flue
- smoke
- furnace body
- exhaust pipe
- combustion chamber
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
- F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
- F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/0005—Details for water heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H9/00—Details
- F24H9/18—Arrangement or mounting of grates or heating means
- F24H9/1809—Arrangement or mounting of grates or heating means for water heaters
- F24H9/1832—Arrangement or mounting of combustion heating means, e.g. grates or burners
- F24H9/1845—Arrangement or mounting of combustion heating means, e.g. grates or burners using solid fuel
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chimneys And Flues (AREA)
Abstract
The present invention relates to the low nitrogen boiler special for biomass of integrated high-efficiency, belong to boiler technology field.Present invention mainly solves the technical problems that thermal loss is big existing for existing boiler, utilization efficiency of heat energy is low.The technical scheme is that：The low nitrogen boiler special for biomass of integrated high-efficiency, including furnace body, feed bin, feeding system, pressure fan, flue, air-introduced machine and smoke exhaust pipe, wherein：The feed bin is located at furnace body side and is connect with the feed inlet on sidewall of the furnace body top by feeding system；The flue is located at vertically in the water-cooling wall of the furnace body other side；The smoke exhaust pipe is located at vertically close to flue side outside furnace body, and the air-introduced machine is located above flue, and the pressure fan is located at outside furnace body close to one side bottom of feed bin.The present invention has many advantages, such as that simple in structure, heat exchange efficiency is high, safe and practical, reasonable in design.
Description
Technical field
The invention belongs to boiler technology fields, the more particularly to low nitrogen boiler special for biomass of integrated high-efficiency.
Background technology
As society is to the growing of energy demand, the fossil fuel as main energy sources source is reduced promptly,
Regenerative resource demand also increasingly increases, and biomass is a kind of ideal regenerative resource, it is derived from a wealth of sources, and has every year a large amount of
Industry, agricultural and forest waste output, as the corncob of China's either northern area, stalk or southern rice
The renewable resources such as shell, bagasse, cocoanut shell are very abundant, are replaced with it or part replaces fire coal, can brought for enterprise abundant
Economy return, on the other hand, biomass energy are a kind of clean reproducible energies, and CO2 emission is utilized close to zero
Biomass energy all plays an important role environmental protection, improvement ecology, raising life of farmers level etc..
But biomass boiler combustion chamber in the prior art or separated with furnace body, or be arranged in boiler side, it is unfavorable for
The efficiency of boiler is converted, and that there are thermal loss is big, utilization efficiency of heat energy is low, that accumulated plugging phenomenon etc. easily occurs is scarce for dust after burning
Point.
Invention content
It is an object of the invention to overcome the prior art, provide integrated high-efficiency low nitrogen boiler special for biomass,
Solve the skill that thermal loss existing for existing boiler is big, utilization efficiency of heat energy is low, accumulated plugging phenomenon easily occurs for dust after burning
Art problem.
The present invention is achieved by the following technical solutions：
The low nitrogen boiler special for biomass of integrated high-efficiency, including furnace body, feed bin, feeding system, pressure fan, flue, air inducing
Machine and smoke exhaust pipe, wherein：
Combustion chamber is equipped in the furnace body, combustion chamber inner cavity top is tubaeform, and combustion chamber lower sides are equipped with igniter,
Combustion chamber inner cavity lower part is equipped with fire grate, and lower smoke-box is equipped with below combustion chamber, and lower smoke-box side wall is equipped with fire door, and the inboard wall of furnace body is set
There is a water-cooling wall, vertical direction is uniformly provided with several smoke pipes, several smoke pipe top parts in the water-cooling wall of the combustion chamber circumference
It is not connected to respectively with lower smoke-box with combustion chamber, several smoke pipe bottoms；
The feed bin is located at furnace body side and is connect with the feed inlet on sidewall of the furnace body top by feeding system；The flue
It is located in the water-cooling wall of the furnace body other side vertically；The smoke exhaust pipe is located at outside furnace body vertically close to flue side, the air inducing
Machine is located above flue, and the pressure fan is located at outside furnace body close to one side bottom of feed bin；
The stack base is connected to lower smoke-box, is connect with air-introduced machine smoke inlet at the top of the flue；The smoke exhaust pipe bottom
Portion is equipped with flue gas heat recovery mouth, and smoke exhaust pipe smoke inlet is equipped in the middle part of the smoke exhaust pipe, is gone out equipped with smoke exhaust pipe at the top of the smoke exhaust pipe
Mouth；The outlet flue of the smoke exhaust pipe smoke inlet and air-introduced machine connect, the flue gas heat recovery mouth by off-gas recovery pipe with give
Air inlet connects, the smoke exhaust pipe outlet flue and atmosphere；An ajutage is equipped at the air outlet of the pressure fan
With secondary blast pipe, the pressure fan passes through two by an ajutage and the combustion chamber below fire grate, the pressure fan
Secondary ajutage and the combustion chamber above igniter.
Further, horizontal in the flue to be equipped with several recovery tubes, the recovery tubes both ends with water-cooling wall inner cavity
Connection.
Further, the feed bin side wall is equipped with feed bin observation panel.
Further, the feeding system includes helical feeder, feeding motor and feed pipe.
The combustion chamber of the present invention is located in the middle part of furnace body, inboard wall of furnace body is equipped with water-cooling wall, flue is located at the furnace body other side vertically
Water-cooling wall in, be equipped with several smoke pipes in water-cooling wall, be equipped with several recovery tubes in flue and smoke evacuation bottom of the tube is equipped with flue gas
Recuperation of heat mouth can realize multiple heat exchange, so that heat is reached and discharge to greatest extent, reduce and passed to external radiation because of flame heat regulating
Loss caused by leading；It is tubaeform to lead to respectively at the top of several smoke pipes with combustion chamber and combustion chamber inner cavity top, can effectively be kept away
Exempt from the accumulation of dust after burning, block, reduces indoor cleaning of burning.Compared with prior art, the present invention has structure
Simply, the advantages that heat exchange efficiency is high, safe and practical, reasonable in design.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present invention.
Specific implementation mode
The present invention is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1, the low nitrogen boiler special for biomass of integrated high-efficiency in the present embodiment, including furnace body 1, feed bin 2, on
Material system 3, pressure fan 4, flue 5, air-introduced machine 6 and smoke exhaust pipe 7, wherein：
Combustion chamber 8 is equipped in the furnace body 1,8 inner cavity top of combustion chamber is tubaeform, and 8 lower sides of combustion chamber are equipped with point
Firearm 9,8 inner cavity lower part of combustion chamber are equipped with fire grate 10, and 8 lower section of combustion chamber is equipped with lower smoke-box 11, and lower 11 side wall of smoke-box is equipped with fire door,
1 inner wall of the furnace body is equipped with water-cooling wall 13, and vertical direction is uniformly provided with several smoke pipes in the water-cooling wall 13 of 8 circumference of the combustion chamber
14,14 top of several smoke pipes is connected to combustion chamber 8 respectively, and 14 bottom of several smoke pipes is connected to lower smoke-box 11 respectively；
The feed bin 2 is located at 1 side of furnace body and is connect with the feed inlet of 1 side wall upper part of furnace body by feeding system 3；It is described
Flue 5 is located at vertically in the water-cooling wall 13 of 1 other side of furnace body；The smoke exhaust pipe 7 is located at 1 outside of furnace body close to flue 5 one vertically
Side, the air-introduced machine 6 are located at 5 top of flue, and the pressure fan 4 is located at 1 outside of furnace body close to 2 one side bottom of feed bin；
5 bottom of the flue is connected to lower smoke-box 11, and 5 top of the flue is connect with 6 smoke inlet of air-introduced machine；The smoke evacuation
7 bottom of pipe is equipped with flue gas heat recovery mouth 16, and 7 middle part of the smoke exhaust pipe is equipped with smoke exhaust pipe smoke inlet 17, and 7 top of the smoke exhaust pipe is set
There is smoke exhaust pipe outlet flue 18；The smoke exhaust pipe smoke inlet 17 is connect with the outlet flue of air-introduced machine 6, and the flue gas heat recovery mouth 16 is logical
It crosses off-gas recovery pipe 12 to connect with 4 air inlet of pressure fan, the smoke exhaust pipe outlet flue 18 and atmosphere；The pressure fan 4
An ajutage 19 and secondary blast pipe 20 are equipped at air outlet, the pressure fan 4 passes through under an ajutage 19 and fire grate 10
The combustion chamber 8 of side is connected to, and the pressure fan 4 is connected to by secondary blast pipe 20 with the combustion chamber 8 of 9 top of igniter.
Further, horizontal in the flue 5 to be equipped with several recovery tubes 15,15 both ends of the recovery tubes are and water-cooling wall
13 inner cavities are connected to.
Further, 2 side wall of the feed bin is equipped with feed bin observation panel.
Further, the feeding system 3 includes helical feeder, feeding motor and feed pipe.
The course of work of the present invention：
In use, the fuel in feed bin 2 is sent into combustion chamber 8 from feed inlet by feeding system 3, igniter is then opened
9 light a fire, while starting pressure fan 4 and air-introduced machine 6；It can be to the recirculated water in the water-cooling wall 13 of 8 surrounding of combustion chamber after burning
It is heated；Flue gas after burning can be entered by the U-shaped smoke pipe 15 of interior row at 8 top of combustion chamber in several smoke pipes 14, and be passed through
Several smoke pipes 14 heat the recirculated water in water-cooling wall 8；It is right that flue gas enters lower smoke-box 11 after the outflow of several smoke pipes 14
Enter flue 5 afterwards, the recirculated water in water-cooling wall 8 is heated by several recovery tubes 15 in flue 5 and flue 5；Cigarette
Gas is introduced into smoke exhaust pipe 7 from after the outflow of flue 5 by air-introduced machine 6, the flue gas part in smoke exhaust pipe 7 by top smoke exhaust pipe smoke
Mouth 18 is discharged, and another part enters off-gas recovery pipe 12 from the flue gas heat recovery mouth 16 of bottom, is then sent again by pressure fan 4 again
Enter in combustion chamber 8, realizes the recycled for multiple times of heat.
The spirit or essence that the present invention can be embodied in a variety of forms without departing from invention, it should therefore be appreciated that on
It states embodiment and is not limited to details above-mentioned, and should widely be explained in claim limited range, therefore fall into right
It is required that or the variation in its equivalent scope and remodeling should be covered by the following claims.
Claims (4)
1. the low nitrogen boiler special for biomass of integrated high-efficiency, including furnace body (1), feed bin (2), feeding system (3), pressure fan (4),
Flue (5), air-introduced machine (6) and smoke exhaust pipe (7), it is characterised in that：
Combustion chamber (8) are equipped in the furnace body (1), combustion chamber (8) inner cavity top is tubaeform, and combustion chamber (8) lower sides are set
There are igniter (9), combustion chamber (8) inner cavity lower part that fire grate (10) is housed, lower smoke-box (11), lower smoke-box are equipped with below combustion chamber (8)
(11) side wall is equipped with fire door, and furnace body (1) inner wall is equipped with water-cooling wall (13), the water-cooling wall (13) of combustion chamber (8) circumference
Interior vertical direction is uniformly provided with several smoke pipes (14), is connected to respectively with combustion chamber (8) at the top of several smoke pipes (14), if described
Dry smoke pipe (14) bottom is connected to lower smoke-box (11) respectively；
The feed bin (2) is located at furnace body (1) side and is connect with the feed inlet of furnace body (1) side wall upper part by feeding system (3)；
The flue (5) is located at vertically in the water-cooling wall (13) of furnace body (1) other side；The smoke exhaust pipe (7) is located at furnace body (1) outside vertically
Close to flue (5) side, the air-introduced machine (6) is located above flue (5) in portion, and the pressure fan (4) is located at outside furnace body (1) and leans on
(2) one side bottom of nearly feed bin；
Flue (5) bottom is connected to lower smoke-box (11), is connect with air-introduced machine (6) smoke inlet at the top of the flue (5)；It is described
Smoke exhaust pipe (7) bottom is equipped with flue gas heat recovery mouth (16), and smoke exhaust pipe smoke inlet (17) is equipped in the middle part of the smoke exhaust pipe (7), described
Smoke exhaust pipe outlet flue (18) is equipped at the top of smoke exhaust pipe (7)；The smoke exhaust pipe smoke inlet (17) and the outlet flue of air-introduced machine (6) connect
It connects, the flue gas heat recovery mouth (16) is connect by off-gas recovery pipe (12) with pressure fan (4) air inlet, the smoke exhaust pipe smoke
Mouth (18) and atmosphere；An ajutage (19) and secondary blast pipe (20), institute are equipped at the air outlet of the pressure fan (4)
It states pressure fan (4) to be connected to the combustion chamber (8) below fire grate (10) by an ajutage (19), the pressure fan (4) passes through
Secondary blast pipe (20) is connected to the combustion chamber (8) above igniter (9).
2. the low nitrogen boiler special for biomass of integrated high-efficiency according to claim 1, it is characterised in that：The flue (5)
Interior horizontal equipped with several recovery tubes (15), recovery tubes (15) both ends are connected to water-cooling wall (13) inner cavity.
3. the low nitrogen boiler special for biomass of integrated high-efficiency according to claim 1, it is characterised in that：The feed bin (2)
Side wall is equipped with feed bin observation panel.
4. the low nitrogen boiler special for biomass of integrated high-efficiency according to claim 1, it is characterised in that：The feeding system
(3) include helical feeder, feeding motor and feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587581.1A CN108662761A (en) | 2018-06-08 | 2018-06-08 | The low nitrogen boiler special for biomass of integrated high-efficiency |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810587581.1A CN108662761A (en) | 2018-06-08 | 2018-06-08 | The low nitrogen boiler special for biomass of integrated high-efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108662761A true CN108662761A (en) | 2018-10-16 |
Family
ID=63775527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810587581.1A Pending CN108662761A (en) | 2018-06-08 | 2018-06-08 | The low nitrogen boiler special for biomass of integrated high-efficiency |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108662761A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2073874A (en) * | 1980-04-10 | 1981-10-21 | Takahashi Y | Hot-water boiler |
| CN201068438Y (en) * | 2007-05-23 | 2008-06-04 | 钟正贤 | Carbide oven |
| CN202452669U (en) * | 2011-12-23 | 2012-09-26 | 张富春 | Smoke tube boiler |
| CN202470398U (en) * | 2012-03-08 | 2012-10-03 | 戴奎 | Normal-pressure, high-efficiency and energy-saving fire turning boiler |
| CN203489473U (en) * | 2013-08-22 | 2014-03-19 | 郑州豫懒环保锅炉有限公司 | Layer-by-layer combustion type combustion chamber biomass boiler |
| CN205560926U (en) * | 2016-03-11 | 2016-09-07 | 天津市凯普森冷暖设备有限公司 | Three vertical return stroke biomass boiler |
| CN208567107U (en) * | 2018-06-08 | 2019-03-01 | 山西桐鑫宇环保设备有限公司 | The low nitrogen boiler special for biomass of integrated high-efficiency |
-
2018
- 2018-06-08 CN CN201810587581.1A patent/CN108662761A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2073874A (en) * | 1980-04-10 | 1981-10-21 | Takahashi Y | Hot-water boiler |
| CN201068438Y (en) * | 2007-05-23 | 2008-06-04 | 钟正贤 | Carbide oven |
| CN202452669U (en) * | 2011-12-23 | 2012-09-26 | 张富春 | Smoke tube boiler |
| CN202470398U (en) * | 2012-03-08 | 2012-10-03 | 戴奎 | Normal-pressure, high-efficiency and energy-saving fire turning boiler |
| CN203489473U (en) * | 2013-08-22 | 2014-03-19 | 郑州豫懒环保锅炉有限公司 | Layer-by-layer combustion type combustion chamber biomass boiler |
| CN205560926U (en) * | 2016-03-11 | 2016-09-07 | 天津市凯普森冷暖设备有限公司 | Three vertical return stroke biomass boiler |
| CN208567107U (en) * | 2018-06-08 | 2019-03-01 | 山西桐鑫宇环保设备有限公司 | The low nitrogen boiler special for biomass of integrated high-efficiency |
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