CN201787551U - Bagasse boiler - Google Patents
Bagasse boiler Download PDFInfo
- Publication number
- CN201787551U CN201787551U CN2010205117447U CN201020511744U CN201787551U CN 201787551 U CN201787551 U CN 201787551U CN 2010205117447 U CN2010205117447 U CN 2010205117447U CN 201020511744 U CN201020511744 U CN 201020511744U CN 201787551 U CN201787551 U CN 201787551U
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- bagasse
- wall
- burner hearth
- temperature superheater
- air outlet
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Abstract
The utility model discloses a bagasse boiler, which comprises a vertical hearth (1), a water cooling system (2), a bagasse injector (3), a fixed fire gate (4), a boiler steel frame (5), a boiler barrel (6), a surface desuperheater (7), a low-temperature superheater (10), a high-temperature superheater (8), a horizontal flue (9) and a tail flue (11), wherein the hearth (1) is suspended in the boiler steel frame (5); the bagasse injector (3) is arranged at the front part of the hearth (1); the fixed fire gate (4) is arranged at the lower part of the hearth (1) and is downward inclined on one side of the bagasse injector (3); a refractory belt (14) is laid around the upper part of a water-cooling wall lower header (15) inside the hearth (1); a front-wall three-time air outlet (16) and a rear-wall three-time air outlet (17) are respectively arranged on the water-cooling wall lower header (15); the front-wall three-time air outlet (16) is downward inclined to align with a combustion area of the hearth I; and the rear-wall three-time air outlet (17) is horizontally aligned with the combustion area of the hearth I. The utility model has the advantages of simple structure, high combustion efficiency and large capacity, is convenient for operation, and is energy-saving and environment-friendly.
Description
Technical field
The utility model relates to a kind of sugar enterprise boiler plant, is used to generate electricity and the bagasse-fired boiler of steam supply.
Background technology
Bagasse-fired boiler is as the boiler plant that uses bagasse, and its fuel is that bagasse is a kind of regenerative resource, and it is very abundant to originate, and have inexhaustible characteristics, and be celebrated with green coal, be a kind of clear energy sources.Because the CO that sugarcane needs when growth
2The CO of discharging when amount is equivalent to its burning
2Amount, thereby the CO in the atmosphere
2Clean discharge capacity is approximately zero, and the content of sulphur is approaching zero in the bagasse, and nonsulfide basically discharging is preserved the ecological environment.The big effect of lifting that is becoming tight primary energy (coal) supply day as the energy, is alleviated with bagasse in sugar enterprise.
At present, the low-pressure boiler that the bagasse-fired boiler thermal efficiency is on the low side, capacity is little of most sugar refinery use.Therefore, the technical staff thirsts for this is improved.
The utility model content
For overcoming the deficiencies in the prior art, the utility model provides a kind of thermal efficiency height, bagasse-fired boiler capacious.
For achieving the above object, the utility model is realized by following technical solution:
A kind of bagasse-fired boiler comprises vertical type burner hearth 1, water-cooling system 2, bagasse injector 3, fixed grate 4, boiler steelframe 5, drum 6, convection-type desuperheater 7, low temperature superheater 10, high temperature superheater 8, horizontal flue 9, back-end ductwork 11; Burner hearth 1, horizontal flue 9, back-end ductwork 11 are crisscross arranged; Described burner hearth 1 is suspended in the boiler steelframe 5, and bagasse injector 3 is arranged on burner hearth 1 front portion, and fixed grate 4 is arranged on burner hearth 1 bottom and has a down dip in bagasse injector 3 one side direction; Lay wall with refractory lining, refracto 14 around water-cooling wall next part case 15 tops of burner hearth 1 inside, be respectively arranged with front wall tertiary air outlet 16 and back wall tertiary air outlet 17 above the water-cooling wall next part case 15, the front wall tertiary air exports 16 downward-sloping aligning burner hearth I combustion zones; Back wall tertiary air exports 17 horizontal aligument burner hearths, 1 combustion zone.Water-cooling system 2 adopts membrane wall structure, and drum 6 adopts the setting of single drum horizontal formula.
Be provided with back wall secondary wind outlet 18 at described fixed grate 4 peak places, back wall secondary wind exports 18 horizontal aligument bagasse injectors, 3 one sides.
Back-end ductwork 11 is provided with economizer 12 and air preheater 13, and economizer 12 and air preheater 13 correspondences are equipped with soot blower 19.
Compared with prior art, the beneficial effects of the utility model are: simple in structure, easy to operate, efficiency of combustion height, energy-conserving and environment-protective and capacity are big.
Description of drawings
For ease of understanding the utility model, the spy is described further the utility model in conjunction with the accompanying drawings.
Fig. 1 is a structural representation of the present utility model;
Fig. 2 be the utility model Fig. 1 A-A to cutaway view.
The specific embodiment
For further understanding the utility model, the spy is further described in conjunction with the specific embodiment, but present embodiment should not regarded as any restriction of the present utility model.
In conjunction with Fig. 1 and Fig. 2, a kind of bagasse-fired boiler comprises vertical type burner hearth 1, water-cooling system 2, bagasse injector 3, fixed grate 4, boiler steelframe 5, drum 6, convection-type desuperheater 7, low temperature superheater 10, high temperature superheater 8, horizontal flue 9, back-end ductwork 11; Burner hearth 1, horizontal flue 9, back-end ductwork 11 are crisscross arranged; Described burner hearth 1 is suspended in the boiler steelframe 5, and bagasse injector 3 is arranged on burner hearth 1 front portion, and fixed grate 4 is arranged on burner hearth 1 bottom and has a down dip in bagasse injector 3 one side direction; Lay wall with refractory lining, refracto 14 around water-cooling wall next part case 15 tops of burner hearth 1 inside, be respectively arranged with front wall tertiary air outlet 16 and back wall tertiary air outlet 17 above the water-cooling wall next part case 15, the front wall tertiary air exports 16 downward-sloping aligning burner hearth I combustion zones; Back wall tertiary air exports 17 horizontal aligument burner hearths, 1 combustion zone.Water-cooling system 2 adopts membrane wall structure, and drum 6 adopts the setting of single drum horizontal formula.
Be provided with back wall secondary wind outlet 18 at described fixed grate 4 peak places, back wall secondary wind exports 18 horizontal aligument bagasse injectors, 3 one sides.
Back-end ductwork 11 is provided with economizer 12 and air preheater 13, and economizer 12 and air preheater 13 correspondences are equipped with soot blower 19.
Operation principle: bagasse is sent into burner hearth 1 by bagasse injector 3 in the air injection mode, being subjected to hot flue gas in the stretch journey of utilizing height official post bagasse to fly in burner hearth 1 very effectively heats, moisture in the bagasse is dried substantially, most bagasse is under the supporting of flue gas and air, burn at burner hearth 1 inner suspension, drop on the also burning soon of bagasse on the fixed grate face, front wall tertiary air outlet 16 and back wall tertiary air outlet 17 make bagasse increase in the time that burner hearth stops, make the more abundant burning of bagasse, improve efficiency of combustion, the cigarette institute that burner hearth produces is successively by high temperature superheater 8, low temperature superheater 10, economizer 12, air preheater 13.
This boiler water-cooling system 2 adopts membrane wall structure, single drum horizontal formula to be furnished with and is beneficial to toward big capacity, the development of the medium temperature and medium pressure type of furnace.
Water-cooling system 2 adopts membrane wall structure, and the sealing property of burner hearth is better, and radiation loss reduces, thereby improves boiler thermal output.
Lay wall with refractory lining, refracto 14 around water-cooling wall next part case 15 tops, have higher thermic load to help catching fire of bagasse and burn.
Front wall tertiary air outlet 16 and back wall tertiary air outlet 17 make bagasse increase in the time that burner hearth stops, and make the more abundant burning of bagasse, improve efficiency of combustion.
Claims (5)
1. a bagasse-fired boiler comprises vertical type burner hearth (1), water-cooling system (2), bagasse injector (3), fixed grate (4), boiler steelframe (5), drum (6), convection-type desuperheater (7), low temperature superheater (10), high temperature superheater (8), horizontal flue (9), back-end ductwork (11); Burner hearth (1), horizontal flue (9), back-end ductwork (11) are crisscross arranged; It is characterized in that: described burner hearth (1) is suspended in the boiler steelframe (5), and bagasse injector (3) is arranged on burner hearth (1) front portion, and fixed grate (4) is arranged on burner hearth (1) bottom and has a down dip in bagasse injector (3) one side direction; Wall with refractory lining, refracto (14) is laid on inner water-cooling wall next part case (15) top of burner hearth (1) all around, be respectively arranged with front wall tertiary air outlet (16) and back wall tertiary air outlet (17) above the water-cooling wall next part case (15), front wall tertiary air outlet (16) downward-sloping aligning burner hearth I combustion zone; Back wall tertiary air outlet (17) horizontal aligument burner hearth 1 combustion zone.
2. bagasse-fired boiler according to claim 1 is characterized in that: water-cooling system (2) adopts membrane wall structure, and drum (6) adopts the setting of single drum horizontal formula.
3. bagasse-fired boiler according to claim 1 is characterized in that: be provided with back wall secondary wind outlet (18) at described fixed grate (4) peak place, back wall secondary wind outlet (18) horizontal aligument bagasse injector (3) one sides.
4. bagasse-fired boiler according to claim 1 is characterized in that: low temperature superheater (10) and high temperature superheater (8) are arranged in the horizontal flue (9), are provided with convection-type desuperheater (7) between low temperature superheater (10) and the high temperature superheater (8).
5. bagasse-fired boiler according to claim 1 is characterized in that: back-end ductwork (11) is provided with economizer (12) and air preheater (13), and economizer (12) and air preheater (13) correspondence are equipped with soot blower (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205117447U CN201787551U (en) | 2010-09-01 | 2010-09-01 | Bagasse boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205117447U CN201787551U (en) | 2010-09-01 | 2010-09-01 | Bagasse boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201787551U true CN201787551U (en) | 2011-04-06 |
Family
ID=43819512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205117447U Expired - Fee Related CN201787551U (en) | 2010-09-01 | 2010-09-01 | Bagasse boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201787551U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103719614A (en) * | 2013-12-25 | 2014-04-16 | 云南英茂集团有限公司 | Sugarcane fiber feed prepared from sugarcane |
| CN105605546A (en) * | 2016-02-25 | 2016-05-25 | 浙江伟明环保股份有限公司 | Combined evaporator |
| CN107702082A (en) * | 2017-09-30 | 2018-02-16 | 苏州海陆重工股份有限公司 | Biomass fuel fire tube boiler |
-
2010
- 2010-09-01 CN CN2010205117447U patent/CN201787551U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103719614A (en) * | 2013-12-25 | 2014-04-16 | 云南英茂集团有限公司 | Sugarcane fiber feed prepared from sugarcane |
| CN103719614B (en) * | 2013-12-25 | 2015-11-11 | 云南英茂集团有限公司 | A kind of sugarcane fibre feed taking sugarcane as raw material and prepare |
| CN105605546A (en) * | 2016-02-25 | 2016-05-25 | 浙江伟明环保股份有限公司 | Combined evaporator |
| CN105605546B (en) * | 2016-02-25 | 2017-09-08 | 浙江伟明环保股份有限公司 | A kind of combined-type evaporator |
| CN107702082A (en) * | 2017-09-30 | 2018-02-16 | 苏州海陆重工股份有限公司 | Biomass fuel fire tube boiler |
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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: 20110406 Termination date: 20170901 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |