CN102506415B - Energy-saving boiler system - Google Patents
Energy-saving boiler system Download PDFInfo
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- CN102506415B CN102506415B CN201110308726.8A CN201110308726A CN102506415B CN 102506415 B CN102506415 B CN 102506415B CN 201110308726 A CN201110308726 A CN 201110308726A CN 102506415 B CN102506415 B CN 102506415B
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- Prior art keywords
- boiler
- energy
- saving
- dust
- fuel
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- 239000000428 dust Substances 0.000 claims abstract description 26
- 239000000446 fuel Substances 0.000 claims abstract description 20
- 239000002699 waste material Substances 0.000 claims abstract description 15
- 239000010908 plant waste Substances 0.000 claims abstract description 8
- 239000010903 husk Substances 0.000 claims abstract description 7
- 239000000779 smoke Substances 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 4
- 238000002485 combustion reaction Methods 0.000 claims description 13
- 238000005453 pelletization Methods 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 230000008676 import Effects 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 6
- 239000012717 electrostatic precipitator Substances 0.000 claims description 5
- 239000011449 brick Substances 0.000 claims description 3
- 235000007164 Oryza sativa Nutrition 0.000 abstract description 23
- 235000009566 rice Nutrition 0.000 abstract description 23
- 239000003245 coal Substances 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000008901 benefit Effects 0.000 abstract description 5
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 abstract description 2
- 240000007594 Oryza sativa Species 0.000 abstract 1
- 241000209094 Oryza Species 0.000 description 22
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 241000196324 Embryophyta Species 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Landscapes
- Gasification And Melting Of Waste (AREA)
Abstract
The invention provides an energy-saving boiler system, which takes plant waste materials such as rice husks and the like as fuel and comprises a boiler body, a feeding system connected with a fuel inlet of the boiler, a hearth of the boiler and a dust removal system communicated with a smoke dust discharge port of the boiler, wherein the feeding system of the boiler comprises a charging pool and a feeding device; the average height to length ratio of the front arch of the boiler furnace is 1: 1.5-2; the dust removal system comprises a waste residue treatment device and at least two or more dust removal treatment devices. Compared with the use of coal, the fuel cost of steam produced by each ton of chaff and other fuels can be saved by about 10 percent, each boiler can save 4059.8 yuan calculated by a steam boiler with the specification of 6 tons, the production cost can be saved by more than 121 ten thousand yuan per year, the comprehensive production benefit is high, no sulfide is discharged, and the energy is saved and the environment is protected. Has great economic benefit and social benefit.
Description
technical field: the present invention relates to a kind of boiler plant, particularly a kind of energy-saving boiler system.
background technology: along with energy resource consumption is growing, the anxiety of energy resources, the pollution of the three wastes that produce when the energy and the consumption energy to environment, become the significant problem of current social development, energy-saving and emission-reduction are main targets of world, are great and actual problems that countries nowadays faces and how to carry out energy-saving and emission-reduction.
Coal is the main energy sources of current various countries, and China is coal production and consumes big country; China enters the oxysulfide of 87% in atmosphere every year, and 67% nitrogen oxide is produced by the direct burning of coal; Therefore the burning that how to reduce coal is used, and development is efficient, and oligosaprobic clean energy resource is that the world today develops problem in the urgent need to address.In current industrial and agricultural production and life process, boiler is main heat generator; Current boiler combustion structure is generally taking fire coal as project organization, it is not suitable for other fuel as the burning of plant waste, rice hulls etc., also the news that has early stage report boiler to produce taking waste materials such as rice hulls as fuel, but appear on market there are no Industrialized Production Practice and product; Main cause is wherein exactly because existing boiler structure system is as feed system, hearth combustion, dedusting system devices etc. are all not suitable for the burning taking plant wastes such as rice hulls as fuel, and be system engineering to existing coal-burning boiler transformation, the improved general thermal efficiency is not high, improvement cost is high, bad economic results.
summary of the invention:the present invention will provide a kind of energy-saving boiler system exactly, it is taking plant wastes such as rice hulls as fuel, comprise charging pond and connected feed system, boiler body and dust pelletizing system, the fuel producing steams such as its ton of husk use coal-fired cost capable of saving fuel nearly 10%, comprehensive productivity effect is high, and without sulfide emission, energy-conserving and environment-protective.
A kind of energy-saving boiler system of the present invention, taking husk and plant waste as fuel, feed system, the boiler furnace that comprises boiler body, be connected with boiler oil import and the dust pelletizing system communicating with boiler smoke outlet, described boiler feed system comprises charging pond, feed arrangement; Charging pond is connected by feed arrangement and boiler oil import, and described feed arrangement is material conveyor and/or communicating pipe; Boiler furnace face arch average height and Length Ratio are 1:1.5-2; Described dust pelletizing system comprises waste residue treating apparatus and at least comprises secondary and above dedusting treater.
Dedusting treater of the present invention comprises cyclone dust collectors and bulk water film dust-remover; Or comprise it being cyclone dust collectors, venturi scrubber and bulk water film dust-remover successively; Also or comprise it being electrostatic precipitator, cyclone dust collectors, venturi scrubber, bulk water film dust-remover successively; After enter again waste residue treating apparatus.
Charging of the present invention is provided with feeding warehouse in pond, and feeding warehouse is connected by feed arrangement and boiler oil import.
Charging of the present invention pond is brick mix structure, and inner wall surface thereof is provided with watertight composition.
Charging of the present invention is provided with bag-type dust collector above pond.
Boiler furnace inner chamber of the present invention is provided with distributing device.
Material conveyor of the present invention is conveying worm or ribbon conveyer.
Waste residue treating apparatus of the present invention is by three to six settling pools that the settling tank being interconnected forms.
Energy-saving boiler system of the present invention adopts said structure, do fuel with rice hulls or plant waste Substitute coal, can significantly save coal resources, digested again the husk the like waste producing in the crops process such as paddy, boiler furnace burning usefulness and utilization rate can perform to 99 ﹪ simultaneously; Reduce the pollution to environment, reduced production cost.
Energy-saving boiler system device of the present invention, taking rice hulls as fuel, uses measuring and calculating to show that rice hulls per ton can producing steam 3.16 tons/ton through practice, and every products ton steam of calculating at comparable price is than cost-saving 38.3 yuan/ton of burning coal, and saving can expect that cost is about 8.3 ﹪; Calculate with the steam boiler of 6 tons of specifications and models, 106 tons of every boiler average producing steams every day, can save production cost 4059.8 yuan, every year in 10 months campaigns, can save production cost more than 1,210,000 yuan, have economic benefit and social benefit that tool is large.
brief description of the drawings: Fig. 1 is that energy-saving boiler system of the present invention respectively installs connection diagram;
In figure: 1, boiler body, 2, charging pond, 3, feed bin, 4, conveying worm, 5, distributing device, 6, burner hearth, 7, cyclone dust collectors, 8, venturi scrubber, 9, gravity water-film Separator, 10, settling pool, 11, settling tank, 12, electrostatic precipitator, 13 outlets, 14, communicating pipe, 15, sack cleaner, 16, slag-drip opening, 17, fire grate.
detailed description of the invention:below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
embodiment 1
The present embodiment is taking rice hulls as fuel, and boiler used is the boiler of 6 tons of specifications and models, as shown in Figure 1, be provided with boiler furnace 6 in boiler body 1, the feed inlet end of boiler is burner hearth face arch position, and being positioned at outlet port end is burner hearth rear arch position, boiler front arch position is arcuate structure, its shape is ascending to burner hearth by fire door, the front height for position is by low and high, air can constantly enter in burner hearth 6 like this, by former coal-fired with pitch of arch raising before boiler furnace, contraction in length, the intracavity space of burner hearth 6 is with regard to corresponding increase like this, before the present invention experimental results show that to control boiler furnace, supplying the ratio of height and length is good in the scope of 1:1.5-2, this example is made as 1:1.6, the intracavity space of burner hearth 6 is increased with regard to corresponding like this, and the incendivity spatial volume of burner hearth 6 is just larger, because the density of rice hulls is little compared with coal, the shared space of same quality rice hulls is larger, control 75 ﹪ that boiler furnace combustion space accounts for burner hearth overall space volume, so-called boiler furnace combustion space refers to the volumetric spaces that can be used for rice hulls burning use, and control burner hearth incendivity space can by rice hulls fuel distribution in burner hearth cavity, or lime-ash is removed to process etc. and realizes control combustion space, the burning usefulness that so just can give full play to boiler, reaches preferably combustion balance, before being positioned at charging aperture, the front end of boiler body 1 is provided with the charging pond 2 that volume is about 1000-1500 cubic meter, feed bin 3 is located in charging pond 2, above feed bin 3, be provided with sack cleaner 15, be provided with conveying worm 4 in the bottom of feed bin 3, the outlet of conveying worm 4 was connected with the entrance of boiler furnace 6 through communicating pipe 14, rice hulls fuel also can directly be delivered on distributing device 5, the diameter of communicating pipe 14 is 25-30 centimetre, distributing device 5 is located at the top of burner hearth 6 inner chambers, object is that rice hulls can be uniformly distributed on the fire grate 17 in burner hearth 6, so that fully completing combustion of rice hulls, outlet in the rear end of boiler body 1 smoke exhaust connects dust pelletizing system, dust pelletizing system comprises waste residue treating apparatus and dedusting treater, more than the minimum secondary of dedusting treater, this example is 4 grades, being followed successively by electrostatic precipitator 12 its entrances connects on boiler waste gas outlet, and outlet connects cyclone dust collectors 7, then be venturi scrubber 8 in turn, bulk water film dust-remover 9, be connected with waste residue treating apparatus again, the settling tank 11 that described waste residue treating apparatus forms for three settling pools that are connected successively 10, waste residue can be deposited in the settling tank 11 being made up of settling pool 10, waste water is by exporting 13 discharges recycling use, slag in burner hearth 6 is discharged from the slag-drip opening 16 that is positioned at boiler body 1 rear portion.
When use by charging the rice hulls in pond 2 send into feed bin 3 interior with conveying worm 4, rice hulls was burnt or is transported in the tripper 5 in burner hearth on boiler furnace face arch position straight is picked the fire grate 17 of boiler furnace 6 inner chambers by communicating pipe 14 be uniformly distributed on the fire grate 17 in burner hearth 6 and burn with tripper 5 again, waste residue after burning is discharged by slag-drip opening 16, exhaust gas and smoke etc. through boiler smoke outlet discharge after successively through cyclone dust collectors 7, venturi scrubber 8, gravity water-film Separator 9, and settling pool 10 processes, waste water is recycled; The rice husk ash reclaiming from settling pool 10 is for fertilizer.
embodiment 2
Except following explanation, all the other are identical with embodiment 1, and the present embodiment adopts brick mix structure in charging pond 2, and wall is provided with anticorrosion, watertight composition in the inner, to prevent the water suction of rice hulls fuel, affect the burning usefulness of husk; Between feed bin 3 and the charging aperture of boiler body 1, establish ribbon conveyer or conveying worm, the rice hulls fuel in feed bin 3 is directly delivered on the fire grate 17 in boiler furnace 6 through boiler furnace face arch position with ribbon conveyer or conveying worm; Before controlling boiler furnace, supply the ratio of height and length in the scope of 1:2, control 80 ﹪ that boiler furnace combustion space accounts for burner hearth overall space volume, the outlet of the waste gas after boiler combustion connects dust pelletizing system, dust pelletizing system comprises waste residue treating apparatus and dedusting treater, dedusting treater is 3 grades, be directly connected with cyclone dust collectors 7 at the outlet of boiler waste gas, save electrostatic precipitator 12, all the other treatment steps are identical with embodiment 1.
The present invention is by the feed system of former coal-burning boiler, and face arch position, burner hearth cavity and the dust removing treatment system of combustion system, for make rice hulls sufficient combustion taking plant wastes such as rice hulls as fuel improves, combustion thermal efficiency is high, save the energy, nonsulfide toxic emission, energy-conserving and environment-protective.
Claims (5)
1. an energy-saving boiler system, taking husk and plant waste as fuel, feed system, the boiler furnace that comprises boiler body, be connected with boiler oil import and the dust pelletizing system being connected with boiler smoke outlet, described boiler feed system comprises charging pond, feed arrangement; Charging pond is connected by feed arrangement and boiler oil import, and described feed arrangement is material conveyor and/or communicating pipe; Described dust pelletizing system comprises waste residue treating apparatus and at least comprises secondary and above dedusting treater; The face arch average height and the Length Ratio that it is characterized in that described boiler furnace are 1:1.5-2; Control the 75-85 ﹪ that described boiler furnace combustion space accounts for burner hearth overall space volume; Described boiler furnace inner chamber is provided with distributing device.
2. according to a kind of energy-saving boiler system claimed in claim 1, it is characterized in that described dedusting treater comprises cyclone dust collectors and bulk water film dust-remover; Or comprise it being cyclone dust collectors, venturi scrubber and bulk water film dust-remover successively; Also or comprise it being electrostatic precipitator, cyclone dust collectors, venturi scrubber, bulk water film dust-remover successively; After enter again waste residue treating apparatus.
3. according to a kind of energy-saving boiler system claimed in claim 1, it is characterized in that being provided with feeding warehouse in described charging pond, feeding warehouse is connected by feed arrangement and boiler oil import.
4. according to a kind of energy-saving boiler system claimed in claim 1, it is characterized in that described charging pond is brick mix structure, inner wall surface thereof is provided with watertight composition.
5. according to a kind of energy-saving boiler system claimed in claim 1, it is characterized in that being provided with bag-type dust collector above described charging pond.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308726.8A CN102506415B (en) | 2011-10-12 | 2011-10-12 | Energy-saving boiler system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110308726.8A CN102506415B (en) | 2011-10-12 | 2011-10-12 | Energy-saving boiler system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102506415A CN102506415A (en) | 2012-06-20 |
| CN102506415B true CN102506415B (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110308726.8A Expired - Fee Related CN102506415B (en) | 2011-10-12 | 2011-10-12 | Energy-saving boiler system |
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| Country | Link |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103256614A (en) * | 2013-05-31 | 2013-08-21 | 广西日风能源发展有限公司 | Plant powder combustion dust removal system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2031490U (en) * | 1988-01-18 | 1989-01-25 | 沈阳市节能技术服务中心 | Arch shape of laminar combustion boiler |
| CN2646617Y (en) * | 2003-09-29 | 2004-10-06 | 溧阳市天目湖粮油有限公司 | Combustion rice husk boiler |
| CN101625117A (en) * | 2009-08-14 | 2010-01-13 | 沈阳亚太伟业生物质再生能源研究所 | Biomass vaporizing combustion coupled type cyclone boiler |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4523813B2 (en) * | 2004-08-24 | 2010-08-11 | 三菱重工業株式会社 | Coal gasification combined power plant |
-
2011
- 2011-10-12 CN CN201110308726.8A patent/CN102506415B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2031490U (en) * | 1988-01-18 | 1989-01-25 | 沈阳市节能技术服务中心 | Arch shape of laminar combustion boiler |
| CN2646617Y (en) * | 2003-09-29 | 2004-10-06 | 溧阳市天目湖粮油有限公司 | Combustion rice husk boiler |
| CN101625117A (en) * | 2009-08-14 | 2010-01-13 | 沈阳亚太伟业生物质再生能源研究所 | Biomass vaporizing combustion coupled type cyclone boiler |
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| CN102506415A (en) | 2012-06-20 |
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Effective date of registration: 20220506 Address after: 336000 Yichun Economic Development Zone, Jiangxi Province Patentee after: Golden potassium Technology Co.,Ltd. Address before: 336000 Jiangxi Yichun Economic Development Zone Tengda Chemical Co.,Ltd. Patentee before: Zhao Chen |
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Granted publication date: 20140924 |
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