CN101865472B - Electricity generating method by burning brew wine waste residue - Google Patents
Electricity generating method by burning brew wine waste residue Download PDFInfo
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- CN101865472B CN101865472B CN2010101787590A CN201010178759A CN101865472B CN 101865472 B CN101865472 B CN 101865472B CN 2010101787590 A CN2010101787590 A CN 2010101787590A CN 201010178759 A CN201010178759 A CN 201010178759A CN 101865472 B CN101865472 B CN 101865472B
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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- Y02E20/12—Heat utilisation in combustion or incineration of waste
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Abstract
The invention discloses an electricity generating method by burning brew wine waste residue, relating to a resource recycling technique. The method comprises the following processing steps: (1) solid-liquid separation of brew wine waste residues: solid-liquid separation is performed in a special separation device, the water content of the brew wine waste residues is reduced to 50-70% from 98% through solid-liquid separation, and clear solution is reused for production; (2) mixing of the clear solution and the bunker coal: the brew wine waste residues are evenly mixed with the bunker coal in the ratio of 1:2, wherein, the water content of the mixture achieves about 20-30%; (3) burning in a furnace: the mixture is conveyed into a conveyor belt through a grating, and evenly enters into a coal burning boiler for burning; (4) thermal energy generation: the thermal energy generated in burning is transformed into electrical energy through a turbonator, thus realizing recycling utilization of brew wine waste residues; and (5) waste gas treatment: as the brew wine waste residue and the bunker coal are burned in a mixing manner, the burning waste gas enters into an environment treating facility with the boiler bunker coal waste gas at the same time to discharge after achieving the standard. The raw material of the invention has large through output, avoids waste residue surplus accumulation, is convenient for operation and popularization, has simple process, advanced technique and more obvious benefit, and is environmental friendly.
Description
Technical field
The present invention relates to a kind of brew wine waste residue treatment process.
Background technology
The history of the artificial wine brewing of China can be traced back to Yangshao culture period; Apart from modern about 7000; Being to utilize the bent wine brewing of microorganism system country the earliest in the world, also is to utilize distillation technique to make the country of Spirit the earliest, than the appearance of Spirits such as west whiskey, brandy Zao about 1000.The invention of distiller's yeast is the greatness contribution of China to world's brewing technology, is called as the fifth-largest invention except that four inventions.
China present stage is produced ten thousand tons of beer 2500-3000 per year, produces 2100 ten thousand tons of liquor per year, and no matter output, the output value, profits tax all come out at the top in the whole world.
Press conventional production process, one ton of alcohol of every production, just can produce one ton of brew wine waste residue (over dry), an enterprise that produces 100000 tons of alcohol per year will have 300 tons of over dry waste residues to produce: if these waste residue moisture content 30% every day.To have every day nearly 1000 tons waste residue to produce, this is a huge numeral, if untimely processing is accumulated over a long period or met the heavy rain floods, will produce the serious environmental pollution, and local atmospheric environment and water environment are constituted a threat to.
Along with the reinforcement of Environmental Protection in China working dynamics, national liquor-making enterprise all with brew wine waste residue improvement, waste water treatment, has been included the visual field in, and consideration places on the agenda.
To the processing of brew wine waste residue, following method is arranged at present:
The one, produce feed: production technology is: brew wine waste residue, Separation of Solid and Liquid, waste residue, drying, powder, multiple-effect evaporation, underflow, granulation, packing.
This brew wine waste residue reutilization technology production link is many; Especially multiple-effect evaporation is very big with dry two production link consumed powers and heat energy; Granulation link in addition also needs bigger power and oven dry heat energy, and cost is very high, and production link is a lot; And the brew wine waste residue handling capacity is limited, and product receives Market Constraint very big.In case the feed recessed market must cause the winery waste residue to spread unchecked, slurries crossing currents seriously pollutedly can't bear.Yet the seriously polluted development that must restrict wine brewing production again conversely.
The 2nd, produce fertilizer: what the production fertilizer generally adopted is a kind of simple compost fermentation method.Basic principle is under uniform temperature, humidity and pH value condition, utilizes microorganism to make the organic matter generation biochemical degradation in the brew wine waste residue, forms the material of the similar humus soil that a kind of plant is convenient to absorb, and as fertilizer sources provides nutrition to plant.
The process that fertilizer forms is complicated biochemical reaction process, and in this process, crude fibre material, thick protein, fat and the carbohydrate etc. in the brew wine waste residue are degraded or are converted into the material of humus shape, can be directly by the plant absorbing utilization.
At present; The utilization of brew wine waste residue both at home and abroad mainly is to produce feed and compost fermentation legal system fertilizer after the deep processing, and the approach one that utilizes of these brew wine waste residues is that the technology cost is higher, the 2nd, and retrained by the market demand; Especially the peasant applies fertilizer with planting; In national most of areas on average is 1 year 2 season, every one season of production grain, make base manure with an organic fertilizer.T/A all is restricted, and can not match with the continuous production of winery, and winery still can not be got rid of the superfluous fortune of schlempe and do not go out, and with serious pollution situation overflows.
Summary of the invention
The purpose of this invention is to provide a kind of electricity generating method by burning brew wine waste residue, limited in one's ability to solve prior art processing brew wine waste residue, the amount of labour is big, processing links is many, cost is high, the waste residue handling capacity is little, can not effectively digest problems such as existing enterprise's waste residue generation.
The present invention adopts and handles the technical scheme of brewageing waste residue is that the solid slag that liquor industry produces is carried out processed, and combustion back and steam power plant's bunker coal mixed burning are burned the heat energy that produces with it and driven steam turbine power generation, realize recycling utilization of brew wine waste residues.
Utilize the burning brew wine waste residue generation technology to comprise following method step:
1, alcohol waste residue Separation of Solid and Liquid:
The present invention adopts horizontal spiral centrifuge that solid slag and clear liquid are separated, and through Separation of Solid and Liquid, the brew wine waste residue moisture content drops to 50-70% by about 95%.The clear liquid reuse is produced, the further recycling of solid slag.
2, mix with bunker coal
(over dry) contains crude protein about 29% in the general brew wine waste residue, contains crude fibre about 17%, and TOC is greater than 70%, and fuel value is about 3077 kilocalories/kg, is about 70% of usual fuel bituminous coal calorific value.The bunker coal of steam power plant's coal-burning boiler generally all is a bituminous coal; Low heat valve is generally about 5000 kilocalories/kg; Powdered, lump coal seldom is well suited for mixing with the higher brew wine waste residue of water content, improves the dust pollution situation of powdery bituminous coal; Mix back brew wine waste residue water content and drop to 20-30%, be convenient to burn into stove by 50-70%.The present invention is even with 1: 2 mixed with brew wine waste residue and the coal-fired powder of water content 50-70%, and the mixture moisture content of brew wine waste residue and coal-fired powder reaches 20-30%, is humidity, no airborne dust, dispersed, prepares against into stove burning.
3, going into stove burns: the mixture of brew wine waste residue and coal-fired powder is sent into conveyer belt through diagrid, evenly gets into coal-burning boiler and fully burns, and makes the coke granule of waste residue formation and the complete after-flame of flying dust of part suspension combustion, to improve the efficiency of combustion of boiler.
4, heat energy power-generating: it is burned the heat energy that produces be converted into electric energy, thereby realized recycling utilization of brew wine waste residues through steam turbine generator.
5, exhaust-gas treatment: because brew wine waste residue is mixed combustion with fire coal, so burnt gas together gets into environment treating facility with boiler fired coal waste gas, thus qualified discharge.
The present invention compared with prior art has following advantage:
1, handling capacity is big, avoids the superfluous accumulation of waste residue.The present invention can catch all in one draft the waste residue of liquor-making enterprise, and what having, what burn, and burns manyly more, and the economic benefit of generation is obvious more, has thoroughly broken away from the passive situation of brew wine waste residue contaminated air and water environment.
2, technology is simple, is convenient to operation and popularization.Remarkable benefit of the present invention and technology is simple, very easily operation is very easily promoted.Except that winery oneself digestion, also can transport other power plant to and carry out burning electricity generation.There is not superfluous possibility of piling up contaminated environment.
3, meet the national environmental protection policy: technical scheme of the present invention meets " resource, minimizing, innoxious " principle that country handles the industrial solid waste residue fully, has both realized the industrial waste environmental protection treatment, can produce remarkable economic efficiency again.
4, more advanced than prior art, more simply, remarkable benefit more.
Table 2 burning brew wine waste residue generating energy effect table
Annotate: standard coal is by 1050 yuan/ton of the existing coal price conversions in local market.
Description of drawings
Accompanying drawing 1 is the burning brew wine waste residue process chart
The specific embodiment:
1, Separation of Solid and Liquid
Liquid wine brewing slag is the slops that winery is discharged, and 1 ton of alcohol of general every production produces 10-15 ton schlempe liquid approximately, wherein contains the solid content of 3%-7%.If realize recycling utilization of brew wine waste residues, the change refuse is resource, and the first step is clear liquid and solid slag with its Separation of Solid and Liquid exactly, and traditional separation method has the precipitation method, suction etc., and the present invention adopts horizontal spiral centrifuge that solid slag and clear liquid are separated.The brew wine waste residue moisture content drops to about 50% by about 95% after the Separation of Solid and Liquid.The clear liquid reuse is produced, the further recycling of solid slag.
2, mix with bunker coal
The bunker coal of steam power plant's coal-burning boiler generally all is a bituminous coal; Low heat valve is generally about 5000 kilocalories/kg; Powdered, lump coal seldom is well suited for mixing with the higher brew wine waste residue of water content, improves the dust pollution situation of powdery bituminous coal; Mix back brew wine waste residue water content and drop to about 20%, be convenient to burn into stove by 50%.The present invention is that brew wine waste residue and coal-fired powder is even with 1: 2 mixed, and the mixture moisture content reaches about 20%, is humidity, no airborne dust, dispersed, prepares against into stove burning.)
3, going into stove burns:
The mixture of brew wine waste residue and coal-fired powder is sent into conveyer belt through diagrid, evenly gets into coal-burning boiler and fully burns, and makes the coke granule of waste residue formation and the complete after-flame of flying dust of part suspension combustion, to improve the efficiency of combustion of boiler.
4, heat energy power-generating: it is burned the heat energy that produces be converted into electric energy, thereby realize recycling utilization of brew wine waste residues through steam turbine generator.
5, exhaust-gas treatment: because brew wine waste residue is mixed combustion with fire coal, so be that burnt gas together gets into environment treating facility, qualified discharge with boiler fired coal waste gas.
Claims (1)
1. electricity generating method by burning brew wine waste residue is characterized in that this method is made up of following processing step:
(1) alcohol waste residue Separation of Solid and Liquid:
The present invention adopts horizontal spiral centrifuge that solid slag and clear liquid are separated, and through Separation of Solid and Liquid, the brew wine waste residue moisture content drops to 50-70% by about 95%, and the clear liquid reuse is produced, the further recycling of solid slag;
(2) mix with bunker coal:
Brew wine waste residue and the coal-fired powder of water content 50-70% is even with 1: 2 mixed, and the mixture moisture content reaches 20-30%, is humidity, no airborne dust, dispersed, prepares against into stove burning;
(3) going into stove burns: and after diagrid is sent into conveyer belt, evenly getting into coal-burning boiler fully burns, and makes the coke granule of waste residue formation and the complete after-flame of flying dust of part suspension combustion, and to improve the efficiency of combustion of boiler;
(4) heat energy power-generating: it is burned the heat energy that produces drive steam turbine power generation;
(5) exhaust-gas treatment: burnt gas together gets into treatment facility, qualified discharge with boiler combustion waste gas.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101787590A CN101865472B (en) | 2010-05-12 | 2010-05-12 | Electricity generating method by burning brew wine waste residue |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101787590A CN101865472B (en) | 2010-05-12 | 2010-05-12 | Electricity generating method by burning brew wine waste residue |
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| CN101865472A CN101865472A (en) | 2010-10-20 |
| CN101865472B true CN101865472B (en) | 2012-07-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1233597A (en) * | 1999-04-19 | 1999-11-03 | 广西壮族自治区宾阳县大桥糖厂 | Method for treating alcohol discharge liquid |
| CN1263148A (en) * | 1999-02-09 | 2000-08-16 | 刘显臣 | Alcohol molasses wort filtrate treatment method and its product |
| CN1513616A (en) * | 2003-03-03 | 2004-07-21 | 王梅枝 | Treatment method of yellow rice wine distiller's grains |
| CN200979158Y (en) * | 2006-10-18 | 2007-11-21 | 吉林省电力科学研究院电力技术开发公司 | Fuel alcohol burner for power boiler |
| CN101608792A (en) * | 2009-07-20 | 2009-12-23 | 江苏大学 | The poor hearth structure of fluidized-bed boiler of a kind of burning vinegar (wine) |
-
2010
- 2010-05-12 CN CN2010101787590A patent/CN101865472B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1263148A (en) * | 1999-02-09 | 2000-08-16 | 刘显臣 | Alcohol molasses wort filtrate treatment method and its product |
| CN1233597A (en) * | 1999-04-19 | 1999-11-03 | 广西壮族自治区宾阳县大桥糖厂 | Method for treating alcohol discharge liquid |
| CN1513616A (en) * | 2003-03-03 | 2004-07-21 | 王梅枝 | Treatment method of yellow rice wine distiller's grains |
| CN200979158Y (en) * | 2006-10-18 | 2007-11-21 | 吉林省电力科学研究院电力技术开发公司 | Fuel alcohol burner for power boiler |
| CN101608792A (en) * | 2009-07-20 | 2009-12-23 | 江苏大学 | The poor hearth structure of fluidized-bed boiler of a kind of burning vinegar (wine) |
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| CN101865472A (en) | 2010-10-20 |
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