CN205859991U - A kind of biomass boiler of flue gas heat recovery - Google Patents
A kind of biomass boiler of flue gas heat recovery Download PDFInfo
- Publication number
- CN205859991U CN205859991U CN201620362499.5U CN201620362499U CN205859991U CN 205859991 U CN205859991 U CN 205859991U CN 201620362499 U CN201620362499 U CN 201620362499U CN 205859991 U CN205859991 U CN 205859991U
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- China
- Prior art keywords
- heat recovery
- waste
- flue gas
- combustor
- 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
- Y02E20/30—Technologies for a more efficient combustion or heat usage
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Abstract
This utility model provides the biomass boiler of a kind of flue gas heat recovery, including body of heater, it is characterized in that, described furnace interior is sequentially provided with combustor, hothouse, dirt pocket, waste-heat recovery device and cool room along flow of flue gas direction, is additionally provided with feeding screw, air-introduced machine, heat-exchanger rig, attemperater, waste port and switch board outside described body of heater.Boiler is effectively improved by this utility model, by combustor, dirt pocket, waste-heat recovery devices etc. carry out integrated design, improve tradition occupation of land aspect in the past big, the problem that running cost is high, improve the efficiency of biomass boiler, and flue gas heat is carried out effective recycling, waste heat recovery is carried out especially with solid heat storage brick, more traditional conventional moisture-heat exchange models, improve heat recovery efficiency, realize recycling of self-energy, more energy-conserving and environment-protective, the temperature of backflow flue gas is higher, the efficiency of combustion of combustor can be improved, improve the efficiency of biomass boiler further.
Description
Technical field
This utility model relates to a kind of biomass boiler, the biomass pot of a kind of flue gas heat recovery
Stove.
Background technology
Biomass fuel: refer to using biological material burn as fuel, the most mainly agriculture and forestry organic waste material (as straw,
Sawdust, bagasse, rice chaff etc.), the main distinction is in Fossil fuel, and it is many that biomass molding fuel has volatile matter, up to 70%-
80% (250-350 DEG C of full precipitation), coke difficulty after-flame, sulfur content is few；The most preprocessed water content reaches (25%-55%), place
10% it is generally less than after reason；Phosphorus content is few, and low heat valve 14-16MJ/kg of stalk about marks the one of coal (29.3MJ/kg)
The feature of half.
At present, existing biomass boiler there is problems in that
First, biomass molding fuel, owing to being primarily adapted for use in coal-burning boiler, is not suitable with, not only thermal effect by existing boiler
Rate is low, and flue dust is big, and discharge is difficult to up to standard；
Second, the evenly heat efficiency of industry coal-boiler only has 67%, and the heat energy of nearly 25% passes through fume emission to air
In the middle of, exhaust gas temperature is up to more than 200 DEG C, has both polluted environment, wastes again the fume afterheat resource of preciousness；
3rd, the high-temperature of boiler smoke, reduce boiler efficiency.Showing according to the study, temperature decline 15～18 DEG C is permissible
Improve boiler efficiency 1%.
In order to solve above-mentioned technical problem, the utility model proposes the biomass boiler of a kind of flue gas heat recovery.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, it is provided that a kind of biomass boiler that effectively reduces exports
Flue-gas temperature, raising boiler efficiency, and carry out the biomass boiler of flue gas heat recovery, use the mode of solid heat storage,
Improving heat recovery efficiency, and the high-temperature flue gas that can reflux, improve efficiency of combustion, energy-saving index is high, it is simple to promote.
This utility model solves it and technical problem is that and take techniques below scheme to realize:
The biomass boiler of a kind of flue gas heat recovery, including body of heater, it is characterised in that described furnace interior is along cigarette
Flow of air direction is sequentially provided with combustor, hothouse, dirt pocket, waste-heat recovery device and cool room, also sets outside described body of heater
There are feeding screw, air-introduced machine, heat-exchanger rig, attemperater, waste port and switch board；
Described combustor is positioned at bottom of furnace body, and described combustor side is connected with feeding screw, is provided with bottom opposite side
Waste port, staggered in described combustor have induced draft plate, and combustor feed end is located at by described air-introduced machine；
Described hothouse and dirt pocket are positioned in the middle part of body of heater, and the entrance point of described hothouse is connected with the port of export of combustor
Logical, the port of export of described hothouse is connected with the entrance point of dirt pocket, is provided with and organizes sack cleaner more in described dirt pocket；
Described waste-heat recovery device and cool room are positioned at upper of furnace body, the entrance point of described waste-heat recovery device and dirt pocket
The port of export be connected, described waste-heat recovery device is provided with two groups of air outlets, one of which air outlet and cool room, and another group goes out
Air port is connected with heat-exchanger rig by three-way air conduit and return airway is connected, the port of export of waste-heat recovery device and cool room
Entrance point be connected, described waste-heat recovery device includes gitter brick and frequency conversion fan, organizes described gitter brick for being vertically arranged more,
Often organize and between described gitter brick, be provided with ventilating duct, in described cool room, be provided with cooling piece；
Described heat-exchanger rig is connected with attemperater by water circulating pump, and described attemperater is respectively equipped with water inlet pipe
And outlet pipe, described water inlet pipe connects municipal administration water pipe line.
Further, described sack cleaner is pulse bag type dust collector.
Further, described sack cleaner includes filter chamber, Filter bag device, ash bucket, pulser and ash exhauster.
Further, described cooling piece is semiconductor chilling plate.
The beneficial effects of the utility model are:
1. this utility model realizes the flue gas waste heat recovery of biomass boiler, for the feature of biomass fuel, to boiler
Improve, combustor, dirt pocket, waste-heat recovery device etc. carried out integrated design, improve tradition occupation of land aspect in the past big,
The problem that running cost is high, improves the efficiency of biomass boiler, and flue gas heat is carried out effective recycling, especially with solid
Body gitter brick carries out waste heat recovery, more traditional conventional moisture-heat exchange models, improves heat recovery efficiency.
2. this utility model is provided with return airway, and for more traditional conventional recovery heat utilizes for the external world, this practicality is new
Type realizes recycling of self-energy, more energy-conserving and environment-protective, and the temperature of backflow flue gas is higher, can improve the burning effect of combustor
Rate, improves the efficiency of biomass boiler further.
3. this utility model is in order to reduce the temperature of exhanst gas outlet, is provided with cool room, passes through the low temperature of waste heat recovery
Flue gas is lowered the temperature by cooling piece further at cool room, reduces the flue gas impact on big entraining air stream.
4. this utility model is additionally provided with feeding screw, uses the mode of spiral charging, biomass are delivered to combustor,
Uniform and stable conveying can not only be realized, it is ensured that the stability of burning, and, biomass are stirred, prevent caking, carry
High burning efficiency.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, this utility model is further described, it is understood that these accompanying drawings are only for explaining
Purpose and design, therefore not as the restriction of this utility model scope.Additionally, unless otherwise indicated, these accompanying drawings are meant only to
Conceptually illustrate that structure described herein constructs, without to draw to scale.
Fig. 1 is this utility model structural representation.
In figure:
1-body of heater 4-hothouse 7-cool room
2-feeding screw 5-dirt pocket 8-heat-exchanger rig
3-combustor 6-waste-heat recovery device 9-attemperater
10-air-introduced machine 15-water circulating pump 20-switch board
11-return airway 16-water inlet pipe 21-sack cleaner
12-frequency conversion fan 17-outlet pipe 22-gitter brick
14-three-way air conduit 19-waste port 23-cooling piece
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, new below in conjunction with this practicality
Accompanying drawing in type embodiment, is clearly and completely described the technical scheme in this utility model embodiment, it is clear that retouched
The embodiment stated is a part of embodiment of this utility model rather than whole embodiments.Generally described in the accompanying drawing herein and
The assembly of this utility model embodiment illustrated can be arranged with various different configurations and design.Therefore, below to attached
The detailed description of the embodiment of the present utility model provided in figure is not intended to limit claimed scope of the present utility model,
But it is merely representative of selected embodiment of the present utility model.Based on the embodiment in this utility model, ordinary skill people
The every other embodiment that member is obtained under not making creative work premise, broadly falls into the model of this utility model protection
Enclose.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, or
It is the orientation or position relationship usually put during the use of this utility model product, is for only for ease of description this utility model and letter
Change describe rather than instruction or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " first ", " second ", " the 3rd " etc. are only used for district
Divide and describe, and it is not intended that indicate or hint relative importance.
In description of the present utility model, in addition it is also necessary to explanation, unless otherwise clearly defined and limited, term " sets
Put ", should be interpreted broadly " installation ", " being connected ", " connection ", connect for example, it may be fixing, it is also possible to be to removably connect,
Or be integrally connected；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to pass through intermediary
It is indirectly connected to, can be the connection of two element internals.For the ordinary skill in the art, can manage with concrete condition
Solve above-mentioned term concrete meaning in this utility model.
With reference to Fig. 1, this utility model provides the biomass boiler of a kind of flue gas heat recovery, and including body of heater 1, it is special
Levying and be, described body of heater 1 is internal is sequentially provided with combustor 3, hothouse 4, dirt pocket 5, waste heat recovery dress along flow of flue gas direction
Putting 6 and cool room 7, described body of heater 1 is outside is additionally provided with feeding screw 2, air-introduced machine 10, heat-exchanger rig 8, attemperater 9, waste material
Mouth 19 and switch board 20；
Described combustor 3 is positioned at bottom body of heater 1, and described combustor 3 side is connected with feeding screw 2, bottom opposite side
Being provided with waste port 19, staggered in described combustor 3 have induced draft plate, and combustor 3 feed end is located at by described air-introduced machine 10；
Described hothouse 4 and dirt pocket 5 are positioned in the middle part of body of heater 1, the entrance point of described hothouse 4 and the outlet of combustor 3
End is connected, and the port of export of described hothouse 4 is connected with the entrance point of dirt pocket 5, is provided with many group pocket types and removes in described dirt pocket 5
Dirt device 21；
Described waste-heat recovery device 6 and cool room 7 are positioned at body of heater 1 top, the entrance point of described waste-heat recovery device 6 with remove
The port of export of dirt room 5 is connected, and described waste-heat recovery device 6 is provided with two groups of air outlets, one of which air outlet and cool room 7,
Another group air outlet is connected with heat-exchanger rig 8 by three-way air conduit 14 and return airway 11 is connected, waste-heat recovery device 6
The port of export is connected with the entrance point of cool room 7, and described waste-heat recovery device 6 includes gitter brick 22 and frequency conversion fan 12, many groups
Described gitter brick 22, for being vertically arranged, is often organized and is provided with ventilating duct between described gitter brick 22, be provided with cooling piece in described cool room 7
23；
Described heat-exchanger rig 8 is connected with attemperater 9 by water circulating pump 15, and described attemperater 9 is respectively equipped with
Water inlet pipe 16 and outlet pipe 17, described water inlet pipe 16 connects municipal administration water pipe line.
Wherein, for the more traditional conventional recovery heat in return airway 11 utilizes for the external world, it is achieved the circulation of self-energy
Utilizing, more energy-conserving and environment-protective, the temperature of backflow flue gas is higher, can improve the efficiency of combustion of combustor 3, improve biomass further
The efficiency of boiler.
Wherein, in order to reduce the temperature of exhanst gas outlet, being provided with cool room 7, the low-temperature flue gas passing through waste heat recovery exists
Cool room 7 is lowered the temperature further by cooling piece 23, reduces the flue gas impact on big entraining air stream.
In the biomass boiler of above-mentioned flue gas heat recovery, it should be pointed out that described sack cleaner 21
For pulse bag type dust collector 21.
In the biomass boiler of above-mentioned flue gas heat recovery, it should be pointed out that described sack cleaner 21
Including filter chamber, Filter bag device, ash bucket, pulser and ash exhauster.
In the biomass boiler of above-mentioned flue gas heat recovery, it should be pointed out that described cooling piece 23 is half
Conductor cooling piece 23.
Operation principle of the present utility model is:
This utility model realizes the flue gas waste heat recovery of biomass boiler, for the feature of biomass fuel, enters boiler
Row improves, and combustor 3, dirt pocket 5, waste-heat recovery device 6 etc. carry out integrated design, improves tradition occupation of land aspect in the past
Greatly, the problem that running cost is high, improves the efficiency of biomass boiler, and flue gas heat is carried out effective recycling, especially adopt
Carry out waste heat recovery, more traditional conventional moisture-heat exchange models with solid heat storage brick 22, improve heat recovery efficiency.
During work, biomass fuel is delivered in combustor 3 by feeding screw 2, air-introduced machine 10 carried by air
To combustor 3, after burning, flue gas enters dirt pocket 5 by hothouse 4, carries out dedusting through sack cleaner 21, it
After, flue gas enters waste-heat recovery device 6 and carries out heat recovery, and by heat storage in gitter brick 22, low-temperature flue gas enters refrigeration
Room 7 lowers the temperature further, finally enters in air.
In the above-described embodiments, the utilization to fume afterheat has two kinds of approach:
First, use return airway 11 to realize the interior circulation of high-temperature flue gas, energy efficient, improve efficiency；
Second, use heat-exchanger rig 8, use outside for heat supply, such as dormitory etc..
As fully visible, this utility model provides a kind of and effectively reduces biomass boiler exit gas temperature, improves boiler effect
Rate, and carry out the biomass boiler of flue gas heat recovery, use the mode of solid heat storage, improve heat recovery efficiency, and
Can be refluxed high-temperature flue gas, improves efficiency of combustion, and energy-saving index is high, it is simple to promotes.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvement and replacement, these change
Enter and replace and also should be regarded as protection domain of the present utility model.
Claims (4)
1. a biomass boiler for flue gas heat recovery, including body of heater, it is characterised in that described furnace interior is along flue gas
Flow direction is sequentially provided with combustor, hothouse, dirt pocket, waste-heat recovery device and cool room, is additionally provided with outside described body of heater
Feeding screw, air-introduced machine, heat-exchanger rig, attemperater, waste port and switch board；
Described combustor is positioned at bottom of furnace body, and described combustor side is connected with feeding screw, is provided with waste material bottom opposite side
Mouthful, staggered in described combustor have induced draft plate, and combustor feed end is located at by described air-introduced machine；
Described hothouse and dirt pocket are positioned in the middle part of body of heater, and the entrance point of described hothouse is connected with the port of export of combustor,
The port of export of described hothouse is connected with the entrance point of dirt pocket, is provided with and organizes sack cleaner more in described dirt pocket；
Described waste-heat recovery device and cool room are positioned at upper of furnace body, and the entrance point of described waste-heat recovery device goes out with dirt pocket
Mouth end is connected, and described waste-heat recovery device is provided with two groups of air outlets, one of which air outlet and cool room, and another organizes air outlet
Being connected with heat-exchanger rig by three-way air conduit and return airway is connected, the port of export of waste-heat recovery device enters with cool room
Mouth end is connected, and described waste-heat recovery device includes gitter brick and frequency conversion fan, and how the described gitter brick of group is for being vertically arranged, often group
It is provided with ventilating duct between described gitter brick, in described cool room, is provided with cooling piece；
Described heat-exchanger rig is connected with attemperater by water circulating pump, described attemperater is respectively equipped with water inlet pipe and goes out
Water pipe, described water inlet pipe connects municipal administration water pipe line.
The biomass boiler of flue gas heat recovery the most according to claim 1, it is characterised in that: described bag-type dusting
Device is pulse bag type dust collector.
The biomass boiler of flue gas heat recovery the most according to claim 1, it is characterised in that: described bag-type dusting
Device includes filter chamber, Filter bag device, ash bucket, pulser and ash exhauster.
The biomass boiler of flue gas heat recovery the most according to claim 1, it is characterised in that: described cooling piece is
Semiconductor chilling plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362499.5U CN205859991U (en) | 2016-04-26 | 2016-04-26 | A kind of biomass boiler of flue gas heat recovery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620362499.5U CN205859991U (en) | 2016-04-26 | 2016-04-26 | A kind of biomass boiler of flue gas heat recovery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205859991U true CN205859991U (en) | 2017-01-04 |
Family
ID=57642510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620362499.5U Expired - Fee Related CN205859991U (en) | 2016-04-26 | 2016-04-26 | A kind of biomass boiler of flue gas heat recovery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205859991U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895436A (en) * | 2018-04-23 | 2018-11-27 | 湖北和泰生物能源有限公司 | A kind of stokehold flue gas drying continuously ties fired biomass boiler |
| CN116102269A (en) * | 2022-12-30 | 2023-05-12 | 江西景福环保建材有限公司 | Environment-friendly lime production process and pulse bag type dust collector |
-
2016
- 2016-04-26 CN CN201620362499.5U patent/CN205859991U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108895436A (en) * | 2018-04-23 | 2018-11-27 | 湖北和泰生物能源有限公司 | A kind of stokehold flue gas drying continuously ties fired biomass boiler |
| CN116102269A (en) * | 2022-12-30 | 2023-05-12 | 江西景福环保建材有限公司 | Environment-friendly lime production process and pulse bag type dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170104 Termination date: 20170426 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |