CN1138096C - Treatment of alcohol waste wort in cane sugar factory by using adsorption combustion method - Google Patents
Treatment of alcohol waste wort in cane sugar factory by using adsorption combustion method Download PDFInfo
- Publication number
- CN1138096C CN1138096C CNB991275659A CN99127565A CN1138096C CN 1138096 C CN1138096 C CN 1138096C CN B991275659 A CNB991275659 A CN B991275659A CN 99127565 A CN99127565 A CN 99127565A CN 1138096 C CN1138096 C CN 1138096C
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- alcohol waste
- wort
- bagasse
- drying machine
- spiral propeller
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- Fertilizers (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The present invention discloses the treatment of alcohol waste wort in a cane sugar factory by using an adsorption combustion method. The adsorption combustion method comprises that the alcohol waste wort is pumped from a storage pool by a pump and is sprayed on cane trash conveyed from a press house through a spray thrower; the alcohol waste wort is sent into a drying machine for discharging and drying through a spiral propeller; the dried cane trash is sent into a cane trash boiler for combustion, and the combusted cane trash ash and filtered mud in a sugar mill are mixed, granulated, dried and packed. The alcohol waste wort of the cane sugar factory which reaches to zero discharge is converted into good additional fertilizer containing nitrogen, phosphorus, higher potassium and trace elements.
Description
Technical field
The present invention relates to a kind of adsorption combustion method that is used to handle alcohol waste wort in cane sugar factory by using, belong to the environmental engineering of the auxiliary product of cane sugar factory.
Background technology
The pollution of waste dreggy alcohol of sugar refinery is a very serious problem, the domestic and international at present processing to this problem has following several mode: one, biochemical process: with alcohol waste mash, degrade under the effect of bacterium BOD, COD value, what have can reclaim biogas during the fermentation.Its treatment effect is about 80～90%.This method floor space is big, invest higher, the condition of still exist polluting.Two, condensed combustion method: this method is that alcohol waste mash is concentrated in evaporator, reach 60BX after, spray in the special combustion furnace and burn.Alcohol waste mash can reach the purpose of zero-emission, is present external state-of-the-art processing method, but its evaporation equipment and combustion furnace are all had special requirement, so investment is very high.Three, be used to cultivate fodder yeast; Owing to contain the nutriment of some in the alcohol waste mash, be used to cultivate fodder yeast, its polluter of degrading simultaneously, its efficient can only reach about 50%.Four, be used for water film dedusting: this method is that alcohol waste mash is replaced water, is used for the dedusting of boiler.Reach finite concentration at use certain hour mash and just can't recycle, still need further to handle again.Five, making fertilizer uses: alcohol waste mash is concentrated to more than the 60BX, is mixed for doing fertilizer with other material again.This fertilizer can only be made base manure, is not suitable for and topdresses, and therefore also can cause secondary pollution.Six, being used for farming irritates: this method is fairly simple, use in a short time for agricultural certain effect of increasing production is arranged, time one, long output descended, especially for irrigating the sugarcane field, cause the sugarcane saliferous too high, be difficult for crystallization, the sugaring loss is bigger, be used for simultaneously farming for a long time and irritate, cause soil texture to change, soil property hardens.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, a kind of adsorption combustion method that is used to handle alcohol waste wort in cane sugar factory by using is provided, utilize bagasse itself loose, hole is many, absorption affinity is strong, when the boiler internal combustion, the characteristics that moisture content is discharged easily in the heat exchanging process just can obtain good effect with less input.
Above-mentioned purpose is achieved in that the adsorption combustion method that is used to handle alcohol waste wort in cane sugar factory by using, and alcohol waste mash is extracted out with pump by Chu Chi, sprays on the bagasse that transports from press house by spray thrower.In order to make the useless mash of bagasse absorption even, at the end of conveyer a spiral propeller is installed, spray thrower is installed on the spiral propeller.Bagasse water content by spiral propeller is below 65%.Send into drying machine internal drainage drying from the bagasse that spiral propeller comes out, the thermal source of drying machine is the flue gas in the boiler, temperature is 900 ℃, make its temperature be controlled at 350～400 ℃ after mixing with cold wind and enter drying machine, the drying machine delivery temperature is 100 ℃, dried bagasse water content is sent into bagasse boiler internal combustion below 50%, with the bagasse ash after the burning and the filter mud in sugar refinery mix, granulation, drying, packing promptly produce finished product fertilizer.This fertilizer contains nitrogen, phosphorus and higher potassium and trace element, is first-class topdressing.This method also can be used for other high-concentration sewages and handles, its carrier is plant straw or surface area is big, hole is many, absorption affinity is strong macromolecular material, with its pulverizing, with said method through the spray, drying, after making concentration of wastewater reach 50～55BX, be that incendivity is handled, make it to reach the environment protection emission requirement.
Be used to handle the adsorption combustion method of alcohol waste wort in cane sugar factory by using, its technological process is simple, and is easy to operate, safe and reliable, reaches zero discharging.This method energy consumption is low, and original bagasse boiler can make full use of, and also the refuse alcohol waste mash of cane sugar factory is handled, and it is turned waste into wealth, and for the investor, its investment only is 1/5～1/6 of " condensed combustion method " investment, and is therefore easy to utilize.
Description of drawings
Fig. 1 is the adsorption combustion method process chart that is used to handle alcohol waste wort in cane sugar factory by using
The specific embodiment
Be used to handle the adsorption combustion method of alcohol waste wort in cane sugar factory by using, alcohol waste mash is extracted out with pump by Chu Chi, spray on the bagasse that transports from press house by spray thrower, the end of conveyer is installed a spiral propeller, spray thrower is installed on the spiral propeller, and the bagasse water content by spiral propeller is below 65%.Send into drying machine internal drainage drying from the bagasse that spiral propeller comes out, the thermal source of drying machine is the flue gas in the boiler, temperature is 900 ℃, make its temperature be controlled at 350～400 ℃ after mixing with cold wind and enter drying machine, the drying machine delivery temperature is 100 ℃, dried bagasse water content is sent into bagasse boiler internal combustion below 50%, with the bagasse ash after the burning and the filter mud in sugar refinery mix, granulation, drying, packing promptly produce finished product fertilizer.
This method also can be used for the processing of high-concentration sewage, as Citric Acid Plant, Gourmet Powder Factory etc., its sewage is passed through the plant straw, as cornstalk, straw, rice bar or surface area is big, hole is many, absorption affinity is strong macromolecular material, as foam plastic etc., with its pulverizing, with said method through the spray, drying, after making concentration of wastewater reach 50～55BX, promptly incendivity is handled, and makes it to reach discharge standard.
Claims (1)
1. adsorption combustion method that is used to handle alcohol waste wort in cane sugar factory by using, it is characterized in that: alcohol waste mash is extracted out with pump by Chu Chi, spray on the bagasse that transports from press house by spray thrower, the end of conveyer is installed a spiral propeller, spray thrower is installed on the spiral propeller, bagasse water content by spiral propeller is below 65%, send into drying machine internal drainage drying from the bagasse that spiral propeller comes out, the thermal source of drying machine is the flue gas in the boiler, temperature is 900 ℃, make its temperature be controlled at 350～400 ℃ after mixing with cold wind and enter drying machine, the drying machine delivery temperature is 100 ℃, dried bagasse water content is sent into bagasse boiler internal combustion below 50%, and the bagasse ash after the burning and the filter mud in sugar refinery are mixed, granulation, dry, packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991275659A CN1138096C (en) | 1999-12-30 | 1999-12-30 | Treatment of alcohol waste wort in cane sugar factory by using adsorption combustion method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB991275659A CN1138096C (en) | 1999-12-30 | 1999-12-30 | Treatment of alcohol waste wort in cane sugar factory by using adsorption combustion method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1259639A CN1259639A (en) | 2000-07-12 |
| CN1138096C true CN1138096C (en) | 2004-02-11 |
Family
ID=5284921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB991275659A Expired - Fee Related CN1138096C (en) | 1999-12-30 | 1999-12-30 | Treatment of alcohol waste wort in cane sugar factory by using adsorption combustion method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1138096C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BRPI0801794F1 (en) * | 2008-04-23 | 2019-08-13 | Dedini S/A Ind De Base | process for production of organo-mineral fertilizer |
| EA022585B1 (en) * | 2010-10-08 | 2016-01-29 | Зюдцукер Акциенгезелльшафт Маннхайм/Окзенфурт | Colloid product, method for producing same and use thereof |
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1999
- 1999-12-30 CN CNB991275659A patent/CN1138096C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1259639A (en) | 2000-07-12 |
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