CN207702446U - A kind of biomass chain grate furnace - Google Patents
A kind of biomass chain grate furnace Download PDFInfo
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- CN207702446U CN207702446U CN201820029889.XU CN201820029889U CN207702446U CN 207702446 U CN207702446 U CN 207702446U CN 201820029889 U CN201820029889 U CN 201820029889U CN 207702446 U CN207702446 U CN 207702446U
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- distribution plenum
- furnace body
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- heat
- benefit
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Abstract
The utility model provides a kind of biomass chain grate furnace,Belong to technical field of boiler combustion,Including Bunker,Furnace body,Traveling-grate stoker and heat-exchanger rig,Furnace body is equipped with smoke discharging pipe from top to bottom,Heat-exchanging chamber and combustion chamber,The side of furnace body is equipped with outwardly directed feed inlet,A benefit aerofoil is equipped on the side wall in three directions in combustion chamber,And mend several benefit eyes of wind that trapezoidal profile wide at the top and narrow at the bottom is equipped on aerofoil,The outside of three benefit aerofoils sets the first distribution plenum respectively,Second distribution plenum and third distribution plenum,First distribution plenum is arranged with the second distribution plenum and corresponding benefit aerofoil in chain fire-gate both sides,Third distribution plenum is arranged in chain fire-gate bottom side,The corresponding benefit aerofoil of third distribution plenum is arranged across chain fire-gate side,First distribution plenum and the second distribution plenum are equipped with a connecting pipe between third distribution plenum,The utility model arranges automatic discharge by chain,Oxygenating science is abundant,And it can effectively avoid the impermeable problem of fuel combustion,Improve the thermal efficiency.
Description
Technical field
The utility model belongs to technical field of boiler combustion, and in particular to a kind of biomass chain grate furnace.
Background technology
Biomass chain grate furnace is the boiler using biomass energy as fuel, and biomass energy is green, environmental protection, renewable energy
Source is relatively easy to, and can accomplish " zero " carbon emission in a cycle period, using not by time, weather and region
Limitation, pollutant emission are low.And existing common chain grate furnace includes mainly by structure division：Bunker, traveling-grate stoker, air blast
Device, slag-draining device, heat-exchanger rig and boiler furnace six are most of.Wherein, it is divided into furnace body and is handed over for combustion chamber, heat from bottom to top
Change room and discharge flue, traveling-grate stoker corresponds in combustion chamber, Bunker and slag-draining device be located on the outside of the furnace and respectively with chain
The input terminal and output end of fire grate are corresponding, and heat-exchanger rig is located in heat-exchanging chamber, and heat-exchanger rig completes the heat of combustion process
Amount absorbs and conversion.Carried out since combustion process is mobile on traveling-grate stoker, thus be usually additionally provided in the combustion chamber trimmer arch and
Stove rear arch forms front furnace, rear hearth is formed between stove rear arch and traveling-grate stoker between trimmer arch and traveling-grate stoker.Front furnace and
Rear hearth can form the effect for holding together fire in the combustion chamber, so that flare and thermal energy is formed at combustor exit and gather, to improve heat
It can utilization ratio.To ensure that the adequacy of fired coal combustion, blower device are separately positioned on the outer end of front furnace and rear hearth, air blast
In addition to combustion-supporting to coal-fired progress on the move, it can also form motive force and converge heat and flare by two lateral stockholes.And
The chain grate furnace that this routine is used in fired coal combustion has the following defects in burning：(1) burning of chain grate furnace is insufficient, and fuel makes
It is low with rate, it causes to waste；(2) fume afterheat utilizes insufficient, and heat utilization rate is low.
Therefore it is badly in need of one kind and automatic discharge is arranged by chain, oxygenating science is abundant, and it is impermeable to can effectively avoid fuel combustion
Problem improves the biomass chain grate furnace of the thermal efficiency.
Utility model content
The purpose of this utility model is to provide a kind of biomass chain grate furnace, and automatic discharge is arranged by chain, and oxygenating science is abundant,
And the impermeable problem of fuel combustion is can effectively avoid, improve the thermal efficiency.
The utility model provides the following technical solution：
A kind of biomass chain grate furnace, including Bunker, furnace body, the traveling-grate stoker and heat-exchanger rig being arranged in furnace body,
Furnace body is equipped with smoke discharging pipe, heat-exchanging chamber and combustion chamber successively from top to bottom, and traveling-grate stoker is arranged in the combustion chamber, heat exchange dress
It installs in heat-exchanging chamber, the side of furnace body is equipped with outwardly directed feed inlet, is all provided on the side wall in three directions in combustion chamber
There is a benefit aerofoil, and mend several benefit eyes of wind for being equipped with trapezoidal profile with a narrow upper and lower width on aerofoil, and three are mended the outer of aerofoil
Side is respectively equipped with mutually independent first distribution plenum, the second distribution plenum and third distribution plenum, the first distribution plenum and the second air distribution
Across chain fire-gate side, third distribution plenum is arranged in chain fire-gate bottom side for room and the setting of corresponding benefit aerofoil,
And the setting of third distribution plenum corresponding benefit aerofoil is in chain fire-gate one end, the first distribution plenum and the second distribution plenum are and third
A connecting pipe is equipped between distribution plenum.
Preferably, heat-exchanger rig includes being successively set on longer heat exchange tube unit and shorter heat exchange tube unit from down to up,
And longer heat exchange tube unit is horizontally installed in furnace body with shorter heat exchange tube unit so that it is single that heat initially enters shorter heat exchange
Member enters longer heat exchange unit afterwards so that heat flowing has buffering to be more advantageous to absorption, increases the thermal efficiency, and change due to longer
Heat pipe unit is distributed with shorter heat exchange tube unit transverse horizontal so that can be effectively reduced height, more be met installation and place
Requirement.
Preferably, the top of furnace body is equipped with air-introduced machine so that heat can be guided to move up.
Preferably, feed inlet is to be tilted towards above formula feed inlet, and a feeder, the charging are equipped between Bunker and feed inlet
Mode changes traditional cagem type charging, and not only the use of patch fuel is so expected but also be also adapted to suitable particulates shape, can be each
Type shape fuel is sent into combustion chamber, and tilts the generation it is possible to prevente effectively from tempering problem.
The utility model has the beneficial effects that：Biomass is sent into feed inlet by Bunker, and then biomass enters chain
After on the input terminal of fire grate, enter in combustion chamber through traveling-grate stoker transmission, then, biomass is dry by preheating on traveling-grate stoker
Dry, burning after gradually extinguishing three steps, is output to by traveling-grate stoker output end on the outside of furnace body, finally, at any time through slag-draining device
It is promoted, discharge, primary mobile combustion process is completed, and is back and forth carried out with this process, you can forms constantly burning and make for chain grate furnace
With, and by three sides of combustion chamber set up it is trapezoidal be uniformly distributed the benefit eye of wind, mend wind process apoplexy since bottom into
Enter to top to incrementally increase and meet fuel combustion characteristics, fuel is external since just to be heated to the later stage in benefit wind increasing fuel
The rapid heated combustion in portion can allow fuel more fully to burn in a manner of temperature increment, it is possible to prevente effectively from fuel combustion is impermeable
Problem, to improve the thermal efficiency；And first distribution plenum, the second distribution plenum and third distribution plenum, three is mutual indepedent, but first
Distribution plenum, the second distribution plenum are communicated with third distribution plenum, so as to balance the air quantity of three distribution plenums, and since third is matched
Air compartment institute required airflow is minimum, therefore wind is arranged and enters from the first distribution plenum and the second distribution plenum, is then entered by communicating pipe
Third distribution plenum to can not only meet the air quantity requirement of third distribution plenum, but also can balance the air quantity of three distribution plenums.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structure sectional view of the utility model；
Fig. 2 be Fig. 1 A to structure sectional view；
Label in figure：1 is the benefit eye of wind, and 2 be the first distribution plenum, and 3 be the second distribution plenum, and 4 be third distribution plenum, and 5 be company
Siphunculus, 6 be longer heat exchange unit, and 7 be shorter heat exchange tube unit, and 8 be air-introduced machine, and 9 be feeder, and 10 be Bunker, and 20 be stove
Body, 30 be traveling-grate stoker, and 40 be heat-exchanger rig, and 50 be smoke discharging pipe, and 60 be heat-exchanging chamber, and 70 be combustion chamber, and 80 be feed inlet,
90 be benefit aerofoil.
Specific implementation mode
In conjunction with Fig. 1 to a kind of biomass chain grate furnace shown in Fig. 2, in the present embodiment, including Bunker 10, furnace body 20,
The traveling-grate stoker 30 and heat-exchanger rig 40 being arranged in furnace body 20, furnace body 20 are equipped with smoke discharging pipe 50, heat successively from top to bottom
Switch room 60 and combustion chamber 70, traveling-grate stoker 30 are arranged in combustion chamber 70, and heat-exchanger rig 40 is arranged in heat-exchanging chamber 60,
The side of furnace body 20 is equipped with outwardly directed feed inlet 80, and a benefit aerofoil 90 is equipped on the side wall in 70 3 directions in combustion chamber,
And several benefit eyes of wind 1 that trapezoidal profile with a narrow upper and lower width is equipped on aerofoil 90 are mended, and the outside difference of three benefit aerofoils 90
Equipped with mutually independent first distribution plenum 2, the second distribution plenum 3 and third distribution plenum 4, the first distribution plenum 2 and the second distribution plenum 3
And corresponding benefit aerofoil 90 is arranged in the both sides of traveling-grate stoker 30, third distribution plenum 3 is arranged in the bottom side of traveling-grate stoker 30,
And the corresponding benefit aerofoil 90 of third distribution plenum 4 is arranged across the side of traveling-grate stoker 30, the first distribution plenum 2 and the second air distribution
Room 3 is equipped with a connecting pipe 5 between third distribution plenum 4.
In conjunction with Fig. 1 to a kind of biomass chain grate furnace shown in Fig. 2, in the present embodiment, heat-exchanger rig 40 includes being arrived by down
On be successively set on longer heat exchange tube unit 6 and shorter heat exchange tube unit 7, and longer heat exchange tube unit 6 and shorter heat exchanger tube list
Member 7 is horizontally installed in furnace body 20 so that heat initially enters shorter heat exchange unit 7, enters longer heat exchange unit 6 afterwards, makes
Obtaining heat flowing has buffering to be more advantageous to absorption, increases the thermal efficiency, and due to longer heat exchange tube unit 6 and shorter heat exchange tube unit
7 transverse horizontals are distributed so that can be effectively reduced height, more be met installation and the requirement in place.
In conjunction with Fig. 1 to a kind of biomass chain grate furnace shown in Fig. 2, in the present embodiment, the top of furnace body 20 is equipped with air inducing
Machine 8 so that heat can be guided to move up.
In conjunction with Fig. 1 to a kind of biomass chain grate furnace shown in Fig. 2, in the present embodiment, feed inlet 80 feeds for tilting
Mouthful, a feeder 9 is equipped between Bunker 10 and feed inlet 80, which changes traditional cagem type charging and not only fit
The use of patch fuel is so expected and be also adapted to graininess, all types of shape fuel can be sent into combustion chamber 70, and tilting can
Effectively to avoid the generation of tempering problem.
The operation principle of the utility model is：Biomass is sent into feed inlet 80 by Bunker 10, and then biomass enters
After on the input terminal of traveling-grate stoker 30, enter in combustion chamber 70 through the transmission of traveling-grate stoker 30, then, biomass is in traveling-grate stoker 30
On after preheating and drying, burning, gradually extinguishing three steps, the outside of furnace body 20 is output to by 30 output end of traveling-grate stoker, most
Afterwards, it promoted, be discharged at any time through slag-draining device, primary mobile combustion process is completed, and is back and forth carried out with this process, you can forms chain row
The continuous burning and use of stove, and the eye of wind 1 is mended by setting up trapezoidal be uniformly distributed in three sides of combustion chamber 10, mend wind mistake
Cheng Zhongfeng, which initially enters from bottom to top to incrementally increase, meets fuel combustion characteristics, and fuel is external since just to be heated to the later stage
Fuel can be allowed more fully to burn in a manner of temperature increment with rapid heated combustion inside wind increasing fuel is mended, it can be effective
The problem that fuel combustion is impermeable is avoided, to improve the thermal efficiency；And first distribution plenum 2, the second distribution plenum 3 and third distribution plenum
4, three is mutual indepedent, but the first distribution plenum 2, the second distribution plenum 3 are communicated with third distribution plenum 4, so as to balance three
The air quantity of distribution plenum, and by 4 required airflow minimums of third distribution plenum, wind is set from the first distribution plenum 2 and the second air distribution
Room 3 enters, and then enters third distribution plenum 4 by communicating pipe 5, and the air quantity to can not only meet third distribution plenum 4 is wanted
It asks, and the air quantity of three distribution plenums can be balanced.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, although ginseng
The utility model is described in detail according to previous embodiment, it for those skilled in the art, still can be with
Technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features.It is all
Within the spirit and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in this practicality
Within novel protection domain.
Claims (4)
1. a kind of biomass chain grate furnace, including Bunker, furnace body, the traveling-grate stoker being arranged in the furnace body and heat exchange dress
It sets, the furnace body is equipped with smoke discharging pipe, heat-exchanging chamber and combustion chamber successively from top to bottom, and the traveling-grate stoker is arranged described
In combustion chamber, the heat-exchanger rig is arranged in the heat-exchanging chamber, which is characterized in that the side of the furnace body is equipped with to overhanging
The feed inlet gone out is equipped with a benefit aerofoil on the side wall in three directions in the combustion chamber, and is equipped with and presents on the benefit aerofoil
Several benefit eyes of wind of narrow trapezoidal profile under width, and it is respectively equipped with mutually independent first air distribution on the outside of three benefit aerofoils
Room, the second distribution plenum and third distribution plenum, first distribution plenum and second distribution plenum and the corresponding benefit
Aerofoil setting is in the chain fire-gate both sides, and the third distribution plenum setting is in the chain fire-gate bottom side, and described the
The corresponding benefit aerofoil setting of three distribution plenums is across the chain fire-gate side, first distribution plenum and described the
Two distribution plenums are equipped with a connecting pipe between the third distribution plenum.
2. a kind of biomass chain grate furnace according to claim 1, which is characterized in that the heat-exchanger rig includes from down to up
It is successively set on longer heat exchange tube unit and shorter heat exchange tube unit, and the longer heat exchange tube unit and the shorter heat exchanger tube
Unit is horizontally installed in the furnace body.
3. a kind of biomass chain grate furnace according to claim 1, which is characterized in that the top of the furnace body is equipped with air inducing
Machine.
4. a kind of biomass chain grate furnace according to claim 1, which is characterized in that the feed inlet be tilted towards above formula into
Material mouth is equipped with a feeder between the Bunker and the feed inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820029889.XU CN207702446U (en) | 2018-01-09 | 2018-01-09 | A kind of biomass chain grate furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820029889.XU CN207702446U (en) | 2018-01-09 | 2018-01-09 | A kind of biomass chain grate furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207702446U true CN207702446U (en) | 2018-08-07 |
Family
ID=63033880
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820029889.XU Expired - Fee Related CN207702446U (en) | 2018-01-09 | 2018-01-09 | A kind of biomass chain grate furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207702446U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539238A (en) * | 2018-11-14 | 2019-03-29 | 苏大伟 | A kind of efficient biomass fueled steam boiler |
-
2018
- 2018-01-09 CN CN201820029889.XU patent/CN207702446U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109539238A (en) * | 2018-11-14 | 2019-03-29 | 苏大伟 | A kind of efficient biomass fueled steam boiler |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180807 Termination date: 20190109 |
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| CF01 | Termination of patent right due to non-payment of annual fee |