CN208295950U - A kind of mining biomass boiler secondary air system - Google Patents
A kind of mining biomass boiler secondary air system Download PDFInfo
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- CN208295950U CN208295950U CN201820919864.7U CN201820919864U CN208295950U CN 208295950 U CN208295950 U CN 208295950U CN 201820919864 U CN201820919864 U CN 201820919864U CN 208295950 U CN208295950 U CN 208295950U
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- secondary air
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- biomass boiler
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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Abstract
The utility model relates to biomass boiler technology field, specially a kind of mining biomass boiler secondary air system, including biomass boiler；Secondary blower is arranged in biomass boiler side, secondary blower is connect by cold wind pipeline with bellows, bellows are connect with one group of hot-blast pipe line, hot-blast pipe line is by fixed mount setting on the rear arch inside biomass boiler, hot-blast pipe line is U-tube road, and lower end is provided at least two groups Secondary Air disk, Secondary Air disk lower end is machined with several groups air outlet, one group of secondary air channel is provided in every group of air outlet；The utility model draws a heat exchanging pipe by boiler back end ductwork, and it is disposed in the hot-blast pipe line of Secondary Air, by secondary blower feeding come hot wind by in heat exchanging pipe high-temperature flue gas exchange heat, it preheats in advance, Secondary Air into boiler internal is hot wind, it not only will not the stealthy thermal energy absorbed in boiler, moreover it is possible to increase the efficiency of combustion of boiler endogenous substance fuel.
Description
Technical field
The utility model relates to biomass boiler technology field more particularly to a kind of mining biomass boiler Secondary Air systems
System.
Background technique
Biomass boiler is a type of boiler, be exactly with biomass energy as fuel boiler biomass pot
Furnace is divided into biomass steam boiler, biomass hot water boiler, biomass thermal wind furnace, biomass heat-conduction oil oven, vertical type biomass pot
Furnace, horizontal biomass boiler etc.；The classification of biomass boiler: horizontal biomass boiler, vertical type biomass boiler.Biological fuel gas
Heat-conducting oil furnace, biomass steam boiler, biomass hot water boiler, biomass heat-conduction oil oven；Secondary Air in biomass boiler system
System is an indispensable component part, and secondary air system can guarantee the efficiency of combustion of boiler endogenous substance fuel, subtract
The generation of few imperfect combustion dust；
But current secondary air system is generally by the direct air blast of blower, although can also play combustion-supporting effect, due to
In-furnace temperature with Secondary Air temperature-difference is larger also consequently reduces the efficiency of combustion of bio-fuel, while low temperature Secondary Air
The thermal energy that boiler generates can be virtually absorbed, the maximization of the utilization of resources is not reached.
Summary of the invention
The utility model overcomes above-mentioned the deficiencies in the prior art, provides a kind of mining biomass boiler Secondary Air system
System.The utility model draws a heat exchanging pipe by boiler back end ductwork, and is disposed in the hot-blast pipe line of Secondary Air,
By secondary blower feeding come hot wind by in heat exchanging pipe high-temperature flue gas exchange heat, preheat in advance, into boiler
Internal Secondary Air is hot wind, not only will not the stealthy thermal energy absorbed in boiler, moreover it is possible to increase the combustion of boiler endogenous substance fuel
Burn efficiency.
The technical solution of the utility model includes:
A kind of mining biomass boiler secondary air system, including biomass boiler, heat exchanging pipe, secondary blower, wind
Case, Secondary Air disk and secondary air channel；The secondary blower is arranged in the biomass boiler side, the Secondary Air air blast
Machine is connect by cold wind pipeline with the bellows, and the bellows are connect with one group of hot-blast pipe line, and the hot-blast pipe line passes through fixation
Frame is arranged on the rear arch inside biomass boiler, and the hot-blast pipe line is one group of U-tube road being laterally arranged, and described U-shaped
The lower end of pipeline is provided at least two groups Secondary Air disk, and Secondary Air disk lower end is machined with several groups air outlet, described in every group
One group of secondary air channel is provided in air outlet；
Setting is machined with one group of heat exchange air port at the back-end ductwork of the biomass boiler, is provided on the heat exchange air port
One group of heat exchange connecting tube, the heat exchange connecting tube are connect with one group of heat exchanging pipe, and the heat exchanging pipe is arranged in the hot air pipe
In road, back-end ductwork connection that the other end of the heat exchanging pipe passes through another group of heat exchange connecting tube and biomass boiler.
Further, the bellows and the hot-blast pipe line junction are provided with one group of check valve.
Further, the Secondary Air disk includes wind disk shell, and the wind disk shell is that inside is processed as hollow shell,
The wind disk shell upper end is fixedly connected with two groups of connecting tubes, and the other end of the connecting tube, which is fixed with the hot-blast pipe line, to be connected
It connects, the wind disk shell lower end is equidistantly machined with several groups air outlet.
Further, all secondary air channels are successively arranged along the wind disk shell with angle tilt.
Further, the heat exchanging pipe is one group of S bend pipe road, and the hot-blast pipe line is arranged in the heat exchanging pipe
At center.
The utility model has the advantages that compared with the existing technology
The utility model draws a heat exchanging pipe by boiler back end ductwork, and is disposed at the hot air pipe of Secondary Air
In road, by secondary blower feeding come hot wind by in heat exchanging pipe high-temperature flue gas exchange heat, preheat in advance, enter
The Secondary Air of boiler internal is hot wind, not only will not the stealthy thermal energy absorbed in boiler, moreover it is possible to increase boiler endogenous substance fuel
Efficiency of combustion；
The utility model passes through the wind disk shell in Secondary Air disk by the way that several groups Secondary Air disk is arranged in hot-blast pipe line lower end
Body is provided with several groups secondary air channel with angle tilt, it is more uniform in blowing can not only to guarantee Secondary Air, while can also protect
Card can generate spiral wind with the secondary air channel synergistic effect that angle is arranged by inclination, further increase the combustion of biomass fuel
Burn efficiency；
The utility model by being provided with bellows, do not dry into boiler directly, but passes through bellows by secondary blower
It is temporary, after pressure reaches certain numerical value in bellows, it is re-fed into hot-blast pipe line, high-pressure blast is laterally set into being directly entered after people
The tail end on the U-tube road set more efficiently is full of entire hot-blast pipe line, guarantees the Secondary Air disk of front end and the Secondary Air of rear end
The size of disk Secondary Air is close, be not in close to blower wind disk wind it is big, the small problem of separate then wind.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the hot-blast pipe line of the utility model and the connection relationship diagram of Secondary Air disk；
Fig. 3 is the structural schematic diagram of the heat exchanging pipe of the utility model.
1- biomass boiler in figure；2- heat exchanging pipe；3- secondary blower；4- bellows；5- Secondary Air disk；6- Secondary Air
Pipe；7- cold wind pipeline；8- hot-blast pipe line；11- heat exchange connecting tube；51- wind disk shell；52- connecting tube.
Specific embodiment
The utility model is described in detail below with reference to attached drawing.
Show in conjunction with Fig. 1-Fig. 3, a kind of mining biomass boiler secondary air system disclosed in the present embodiment, including biomass pot
Furnace 1, heat exchanging pipe 2, secondary blower 3, bellows 4, Secondary Air disk 5 and secondary air channel 6；The secondary blower 3 is arranged
In 1 side of biomass boiler, the secondary blower 3 is connect by cold wind pipeline 7 with the bellows 4, the bellows 4
It is connect with one group of hot-blast pipe line 8, the hot-blast pipe line 8 passes through fixed mount setting on the rear arch inside biomass boiler 1, described
Hot-blast pipe line 8 is one group of U-tube road being laterally arranged, and the lower end on the U-tube road is provided at least two groups Secondary Air disk 5, institute
It states 5 lower end of Secondary Air disk and is machined with several groups air outlet, one group of secondary air channel 6 is provided in air outlet described in every group；
Setting is machined with one group of heat exchange air port at the back-end ductwork of the biomass boiler 1, is arranged on the heat exchange air port
There is one group of heat exchange connecting tube 11, the heat exchange connecting tube 11 is connect with one group of heat exchanging pipe 2, and the heat exchanging pipe 2 is arranged in institute
It states in hot-blast pipe line 8, the tail portion that the other end of the heat exchanging pipe 2 passes through another group of heat exchange connecting tube 11 and biomass boiler 1
Flue connection.
Specifically, the bellows 4 are provided with one group of check valve with 8 junction of hot-blast pipe line.
Specifically, the Secondary Air disk 5 includes wind disk shell 51, the wind disk shell 51 is that inside is processed as hollow shell
Body, 51 upper end of wind disk shell are fixedly connected with two groups of connecting tubes 52, the other end of the connecting tube 52 with the hot wind
Pipeline 8 is fixedly connected, and 51 lower end of wind disk shell is equidistantly machined with several groups air outlet, and secondary closing disk is hollow housing,
High-voltage secondary wind rapidly enters wind disk shell by two connecting tubes, and two groups of connecting tubes are arranged, and increases that wind disk shell is intracorporal to rush wind
Efficiency.
Further, all secondary air channels 6 are successively arranged along the wind disk shell 51 with angle tilt, pass through setting
The secondary air channel that several groups are obliquely installed, meanwhile, all secondary air channels are arranged with angle tilt, are rapidly filled with by high-pressure hot wind
It is discharged simultaneously after entire hollow wind disk shell from each secondary air channel, by controlling the tilt angle of secondary air channel, control two
Secondary wind spiral angle is allowed to form spiral wind, increases aspect of blowing efficiency.
Specifically, the heat exchanging pipe 2 is one group of S bend pipe road, and the heat exchanging pipe 2 is arranged in the hot-blast pipe line 8
Center at, heat exchanging pipe is arranged at the center of hot-blast pipe line, increase heat exchanging pipe and Secondary Air cold wind heat exchange area,
Increase heat transfer rate, guarantees that the temperature for entering the Secondary Air of boiler can reach requirement.
The course of work of the utility model:
Firstly, extraneous cold wind is blown into bellows by secondary blower work, cold wind is persistently stored in bellows, and
Increase certain wind pressure, when reaching certain pressure value, open check valve makes high pressure cold wind enter hot air pipe, in hot-blast pipe line
Heat exchanging pipe direct contact heat transfer makes high pressure cold wind become high-pressure hot wind, and eventually by the association of Secondary Air disk and secondary air channel
Same-action is blown on biomass fuel, increases the efficiency of combustion of biomass fuel, avoids the occurrence of biomass fuel imperfect combustion,
Lead to the problem of a large amount of dusts.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (5)
1. a kind of mining biomass boiler secondary air system, it is characterised in that: including biomass boiler (1), heat exchanging pipe (2),
Secondary blower (3), bellows (4), Secondary Air disk (5) and secondary air channel (6)；The secondary blower (3) is arranged in institute
Biomass boiler (1) side is stated, the secondary blower (3) is connect by cold wind pipeline (7) with the bellows (4), described
Bellows (4) are connect with one group of hot-blast pipe line (8), and the hot-blast pipe line (8) is internal in biomass boiler (1) by fixed mount setting
Rear arch on, the hot-blast pipe line (8) be one group of U-tube road being laterally arranged, the lower end on the U-tube road is provided at least two
Group Secondary Air disk (5), Secondary Air disk (5) lower end is machined with several groups air outlet, is provided in air outlet described in every group
One group of secondary air channel (6)；
Setting is machined with one group of heat exchange air port at the back-end ductwork of the biomass boiler (1), is provided on the heat exchange air port
One group of heat exchange connecting tube (11), the heat exchange connecting tube (11) connect with one group of heat exchanging pipe (2), and the heat exchanging pipe (2) sets
It sets in the hot-blast pipe line (8), the other end of the heat exchanging pipe (2) passes through another group of heat exchange connecting tube (11) and biomass
The back-end ductwork connection of boiler (1).
2. a kind of mining biomass boiler secondary air system according to claim 1, which is characterized in that the bellows (4)
The hot-blast pipe line (8) junction is provided with one group of check valve.
3. a kind of mining biomass boiler secondary air system according to claim 1, which is characterized in that the Secondary Air disk
It (5) include wind disk shell (51), the wind disk shell (51) is that inside is processed as hollow shell, on the wind disk shell (51)
End is fixedly connected with two groups of connecting tubes (52), and the other end of the connecting tube (52) is fixedly connected with the hot-blast pipe line (8),
Wind disk shell (51) lower end is equidistantly machined with several groups air outlet.
4. a kind of mining biomass boiler secondary air system according to claim 3, which is characterized in that all described secondary
Air hose (6) is successively arranged along the wind disk shell (51) with angle tilt.
5. a kind of mining biomass boiler secondary air system according to claim 1, which is characterized in that the heat exchanging pipe
It (2) is one group of S bend pipe road, and the heat exchanging pipe (2) is arranged at the center of the hot-blast pipe line (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919864.7U CN208295950U (en) | 2018-06-13 | 2018-06-13 | A kind of mining biomass boiler secondary air system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820919864.7U CN208295950U (en) | 2018-06-13 | 2018-06-13 | A kind of mining biomass boiler secondary air system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295950U true CN208295950U (en) | 2018-12-28 |
Family
ID=64702092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820919864.7U Active CN208295950U (en) | 2018-06-13 | 2018-06-13 | A kind of mining biomass boiler secondary air system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208295950U (en) |
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2018
- 2018-06-13 CN CN201820919864.7U patent/CN208295950U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220601 Address after: 154600 No. 59, Daming street, Taoshan District, Qitaihe City, Heilongjiang Province Patentee after: Qitaihe Xinfu Electromechanical Manufacturing Co.,Ltd. Address before: 154600 No. 59, Daming street, Taoshan District, Qitaihe City, Heilongjiang Province Patentee before: Liu Xiaojun |
|
| TR01 | Transfer of patent right |