CN208567107U - 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
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- CN208567107U CN208567107U CN201820886964.4U CN201820886964U CN208567107U CN 208567107 U CN208567107 U CN 208567107U CN 201820886964 U CN201820886964 U CN 201820886964U CN 208567107 U CN208567107 U CN 208567107U
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Abstract
The utility model relates to the low nitrogen boiler special for biomass of integrated high-efficiency, belong to boiler technology field.The utility model mainly solves the technical problem that thermal loss existing for existing boiler is big, utilization efficiency of heat energy is low.The technical solution of the utility model is: 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, in which: the feed bin is located at furnace body side and is connect by feeding system with the feed inlet on sidewall of the furnace body top；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 utility model has many advantages, such as that structure is simple, heat exchange efficiency is high, safe and practical, reasonable in design.
Description
Technical field
The utility model belongs to boiler technology field, the in particular to low nitrogen boiler special for biomass of integrated high-efficiency.
Background technique
As society is to the growing of energy demand, the fossil fuel as main energy sources source is reduced promptly,
Renewable energy demand also increasingly increases, and biomass is a kind of ideal renewable energy, it is from a wealth of sources, 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 rich, 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 protection environment, 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.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides integrated high-efficiency low nitrogen biomass dedicated pot
Furnace, solve thermal loss existing for existing boiler is big, utilization efficiency of heat energy is low, burning after dust accumulated plugging phenomenon easily occurs
Technical problem.
The utility model is achieved through 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, in which:
Be equipped with combustion chamber in the furnace body, combustion chamber inner cavity top be it is tubaeform, 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 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 by feeding system with the feed inlet on sidewall of the furnace body top；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 at the top of the flue with air-introduced machine smoke inlet；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 at the top of the smoke exhaust pipe equipped with smoke exhaust pipe
Mouth；The connection of the outlet flue of the smoke exhaust pipe smoke inlet and air-introduced machine, the flue gas heat recovery mouth pass through off-gas recovery pipe and send
Air inlet connection, the smoke exhaust pipe outlet flue are communicated with the atmosphere；An air supply tube is equipped at the air outlet of the pressure fan
With secondary blast pipe, the pressure fan passes through two by the combustion chamber below an air supply tube and fire grate, the pressure fan
Combustion chamber above secondary air supply tube and 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.
It is another that the combustion chamber of the utility model is located in the middle part of furnace body, inboard wall of furnace body is equipped with water-cooling wall, flue is located at furnace body vertically
It is equipped with several smoke pipes in the water-cooling wall of side, in water-cooling wall, is equipped with several recovery tubes in flue and smoke evacuation bottom of the tube is equipped with
Flue gas heat recovery mouth can be realized multiple heat exchange, and heat is made to reach maximum release, reduce because of the outside spoke of flame heat regulating
Penetrate loss caused by conduction；Lead to respectively at the top of several smoke pipes with combustion chamber and combustion chamber inner cavity top be it is tubaeform, can have
Effect avoids accumulation, the blocking of dust after burning, reduces indoor cleaning of burning.Compared with prior art, the utility model
Have many advantages, such as that structure is simple, heat exchange efficiency is high, safe and practical, reasonable in design.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Specific embodiment
The utility model 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, in which:
Be equipped with combustion chamber 8 in the furnace body 1,8 inner cavity top of combustion chamber be it is tubaeform, 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, lower smoke-box 11 are equipped with below combustion chamber 8, and lower 11 side wall of smoke-box is equipped with fire door,
1 inner wall of 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 combustion chamber
14, several 14 tops of smoke pipe are connected to combustion chamber 8 respectively, and several 14 bottoms of smoke pipe are connected to lower smoke-box 11 respectively；
The feed bin 2 is located at 1 side of furnace body and is connect by feeding system 3 with the feed inlet of 1 side wall upper part of furnace body；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 flue is connected to lower smoke-box 11, and 5 top of 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 smoke exhaust pipe smoke inlet 17 is equipped in the middle part of the smoke exhaust pipe 7, is set at the top of the smoke exhaust pipe 7
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 is communicated with the atmosphere；The pressure fan 4
An air supply tube 19 and secondary blast pipe 20 are equipped at air outlet, the pressure fan 4 passes through under an air supply tube 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 recovery tubes are and water-cooling wall
The connection of 13 inner cavities.
Further, 2 side wall of 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 utility model:
In use, the fuel in feed bin 2 is fed from the feed inlet combustion chamber 8 by feeding system 3, igniter is then opened
9 light a fire, while starting pressure fan 4 and air-introduced machine 6；It can recirculated water in the water-cooling wall 13 to 8 surrounding of combustion chamber after burning
It is heated；Flue gas after burning can be entered in several smoke pipes 14 by the U-shaped smoke pipe 15 of interior row at 8 top of combustion chamber, and be passed through
Several smoke pipes 14 heat the recirculated water in water-cooling wall 8；Flue gas enters lower smoke-box 11 so 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, flue gas a 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 utility model can be embodied in various forms without departing from the spirit of the inventions or essence, so should manage
Solution, above-described embodiment is not limited to details above-mentioned, and should widely explain in claim limited range, therefore fall into
Change and modification in claim or its equivalent scope 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 be it is tubaeform, combustion chamber (8) lower sides are set
Have igniter (9), combustion chamber (8) inner cavity lower part is equipped with fire grate (10), is equipped with lower smoke-box (11) below combustion chamber (8), lower smoke-box
(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 by feeding system (3) with the feed inlet of furnace body (1) side wall upper part；
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 at the top of the flue (5) with air-introduced machine (6) smoke inlet；It is described
Smoke exhaust pipe (7) bottom is equipped with flue gas heat recovery mouth (16), is equipped with smoke exhaust pipe smoke inlet (17) in the middle part of the smoke exhaust pipe (7), described
Smoke exhaust pipe outlet flue (18) are equipped at the top of smoke exhaust pipe (7)；The outlet flue of the smoke exhaust pipe smoke inlet (17) and air-introduced machine (6) connects
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) is communicated with the atmosphere；An air supply tube (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 by an air supply tube (19) with the combustion chamber (8) below fire grate (10), 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
It (3) include helical feeder, feeding motor and feed pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820886964.4U CN208567107U (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 |
|---|---|---|---|
| CN201820886964.4U CN208567107U (en) | 2018-06-08 | 2018-06-08 | The low nitrogen boiler special for biomass of integrated high-efficiency |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208567107U true CN208567107U (en) | 2019-03-01 |
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ID=65485313
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820886964.4U Active CN208567107U (en) | 2018-06-08 | 2018-06-08 | The low nitrogen boiler special for biomass of integrated high-efficiency |
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| Country | Link |
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| CN (1) | CN208567107U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662761A (en) * | 2018-06-08 | 2018-10-16 | 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 CN201820886964.4U patent/CN208567107U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108662761A (en) * | 2018-06-08 | 2018-10-16 | 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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