CN102942978A - Manufacturing method of sludge biomass fuel - Google Patents
Manufacturing method of sludge biomass fuel Download PDFInfo
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- CN102942978A CN102942978A CN2012104790414A CN201210479041A CN102942978A CN 102942978 A CN102942978 A CN 102942978A CN 2012104790414 A CN2012104790414 A CN 2012104790414A CN 201210479041 A CN201210479041 A CN 201210479041A CN 102942978 A CN102942978 A CN 102942978A
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
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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
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
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- Treatment Of Sludge (AREA)
- Solid Fuels And Fuel-Associated Substances (AREA)
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Abstract
The invention relates to a manufacturing method of sludge biomass fuel. According to the method, organic materials containing water sludge and biomass raw materials are mixed and then subjected to fermentation and dehydration to manufacture the new sludge biomass fuel. The method for treating the sludge is economical, practical and high in treatment capacity, and by means of the method, the sludge biomass fuel can be manufactured. By means of the method, environment-friendly treatment of urban sludge is achieved, resource recycling is achieved, non-renewable resources are reasonably replenished, a novel energy material which is the sludge biomass fuel is developed, the sludge biomass fuel can replace natural coal, the calorific value of the sludge biomass fuel is 1500-5000 kilocalorie, the sludge biomass fuel is easy to burn, and the emission of the sludge biomass fuel is lower than emission standards of European Union. Ashes obtained by burning of the sludge biomass fuel are rich in elements of calcium, magnesium, phosphorus, potassium and sodium so that the ashes are superior warm readily available organic fertilizers, and the problem that the urban sludge can not be directly returned to fields is solved.
Description
Technical field
The present invention relates to a kind of manufacture method of sewage sludge biomass fuel.
Background technology
Along with the development of China's industry and urbanization process, the raising of wastewater treatment rate, the sludge creation amount also will get more and more.And municipal sludge has huge harm to environment for human survival, and from the present sludge treatment situation of China, domestic sludge disposal technology is also relatively backward, and the sludge treatment rate is also lower, needs the industry of reinforcement dynamics development sludge treatment, satisfies the environment protection demand.
The common disposal technology of mud comprises: agricultural, compost, landfill and burning.Wherein the innoxious burning method of mud is paid attention to by more and more developed countries, it is the most thoroughly treatment process of a kind of mud, compare with landfill etc. with compost, sludge incineration has the appearance of subtracting, decrement and the advantage such as innoxious, can reclaim the heat that sludge incineration produces, be used for generating, heat supply etc., resource is fully used.
At present sludge incineration mainly can be divided into two large classes: a class is mud directly to be delivered to incinerator burn, and another kind of is that mud is dewatered first, burns the mud after dewatering again.But the direct burning of mud still is a kind of disposal options of high energy consumption, does not meet energy-saving benefit, energy mode that neither a kind of Sustainable development.Therefore the sludge dewatering burning is the external mode that generally adopts, it also is the sludge treatment technique that China encourages popularization, being the steps necessary of sludge disposal strategy, is exactly that the treatment facility investment is large but there is a very large shortcoming in present existing sludge dewatering technology, and processing costs is high.
Summary of the invention
Technical problem to be solved by this invention is the manufacture method that large, the economical and practical sewage sludge biomass fuel of a kind of sludge treatment ability is provided for above-mentioned prior art.
The present invention solves the problems of the technologies described above the technical scheme that adopts: the manufacture method of sewage sludge biomass fuel is characterized in that: comprise the steps:
Step 1, water-containing sludge is carried out pre-treatment: character and processing mode according to sludge creation are divided into inanimate matter water-containing sludge and organic water-containing sludge with water-containing sludge, and choose organic water-containing sludge as the subsequent disposal basis;
Impurity in step 2, the organic water-containing sludge of removal;
Step 3, biomass material is carried out pre-treatment: with the biomass material de-iron, be crushed to length less than 3CM;
Step 4, will remove organic water-containing sludge behind the impurity with de-iron and the biomass material after pulverizing mixes according to the ratio of 2:1～3:1;
Step 5, the mixture that step 4 is obtained are transported on the fermentation place and accumulation, piling height is controlled at 3 meters～5 meters, sprinkle simultaneously can decompose organic, eliminate fixed nitrogen in the organic matter, fixedly sulphur, deodorize, the organic fertilizer fermentation bacterial classification of the gain of heat, the machine that sprinkles fertilizer fermented bacterium weight is 0.5%～1.5% of mixture weight;
Step 6, first fermented 24～36 hours after, turn once piling up good mixture; After fermenting 12～24 hours, turn once, so repeatable operation is 3～5 days, finishes primary fermentation again again; Ventilated once in per 4 hours during the primary fermentation, ventilated 10～20 minutes at every turn, will keep ventilation state when turning;
Adding weight in step 7, the mixture after finishing primary fermentation is the biomass material of the mixture weight 3-5% behind the primary fermentation again, and evenly mixes;
Step 8, first fermented 24～36 hours after, the mixture that step 6 is obtained turns once; After fermenting 12～24 hours, turn once, so repeatable operation is 5～7 days, finishes secondary fermentation again again; Rear fermentating period ventilated once in per 4 hours, ventilated 10～20 minutes at every turn, will keep ventilation state when turning;
Step 9, the mixture that will finish after the secondary fermentation store, and turn at least weekly once between the shelf lives, will keep ventilation state when turning;
The moisture content of step 10, the mixture that obtains after step 9 is 40%～50%, adds coal dust or carbon black, make with extra care last formation first kind sewage sludge biomass fuel.
As improvement, the present invention can also also comprise step 11: the moisture content of the mixture that obtains after step 9 is 30% when following, uses the briquetting press briquette forming, obtains Equations of The Second Kind sewage sludge biomass fuel, can directly store sale.
The blending ratio of the biomass material in the described step 4 after organic water-containing sludge and de-iron and the pulverizing is preferably 7:3.
Carry out in the primary fermentation process in described step 6, make the mixture of accumulation keep heating up, and the mixture temperature of accumulation is controlled at greater than 50 degree, and carry out in the secondary fermentation process in described step 8, make the mixture of accumulation keep cooling, and the mixture temperature of accumulation is controlled at less than 80.
Compared with prior art, the invention has the advantages that: a kind of economical and practical and method for sludge treatment that processing power is large is provided, simultaneously can also produce a kind of sewage sludge biomass fuel, this technology has not only played the environmental protection disposal to municipal sludge, and accomplished resource regeneration, to the reasonable supplement of renewable resource not, and developed novel energy material---sewage sludge biomass fuel, this sewage sludge biomass fuel can substitute raw coal, its calorific power is at the 1500-5000 kilocalorie, its product easy firing, and discharging is lower than European Union's emission standard, this product is through being rich in calcium in the ashes after burning, magnesium, phosphorus, potassium, the elements such as sodium, be first-class hot quick-acting organic fertilizer material, solved the difficult problem that municipal sludge can not direct returning to farmland.
Description of drawings
Fig. 1 is the schema of the manufacture method of sewage sludge biomass fuel in the embodiment of the invention.
Embodiment
Embodiment is described in further detail the present invention below in conjunction with accompanying drawing.
The manufacture method of sewage sludge biomass fuel as shown in Figure 1, it comprises the steps:
Step 1, water-containing sludge is carried out pre-treatment: according to the character of sludge creation and processing mode with water-containing sludge be divided into the inanimate matter water-containing sludge and, and choose organic water-containing sludge as the subsequent disposal basis; The domestic sludge of generally processing with biochemical method mostly is Organic Sludge, can be as the making of fuel; And the industrial sludge of acid-alkali treatment quite a few be inanimate matter mud, this class industrial sludge simply squeezes, and PH is adjusted to 6-7 also can classifies as machine matter water-containing sludge, waits for subsequent disposal;
Impurity in step 2, the organic water-containing sludge of removal, the wood that the main impurity of removing is stone, bulk and iron wire etc.;
Step 3, biomass material is carried out pre-treatment: with the biomass material de-iron, be crushed to length less than 3CM; Described biomass material can be agricultural crop straw or forestry processing waste or other flammable biomass.
Step 4, can will remove organic water-containing sludge behind the impurity with de-iron and the biomass material after pulverizing mixes according to the ratio of 7:3 with mixing machine;
Step 5, can be transported to the mixture that dump truck obtains step 4 on the fermentation place and pile up, piling height is controlled at 3 meters～5 meters, sprinkle simultaneously can decompose organic, eliminate fixed nitrogen in the organic matter, fixedly sulphur, deodorize, the organic fertilizer fermentation bacterial classification of the gain of heat, the machine that sprinkles fertilizer fermented bacterium weight is 0.5%～1.5% of mixture weight;
Step 6, first fermented 24～36 hours after, turn once piling up good mixture; After fermenting 12～24 hours, turn once, so repeatable operation is 3～5 days, finishes primary fermentation again again; Ventilated once in per 4 hours during the primary fermentation, ventilated 10～20 minutes at every turn, will keep ventilation state when turning;
Adding weight in step 7, the mixture after finishing primary fermentation is the biomass material of the mixture weight 3-5% behind the primary fermentation again, and evenly mixes;
Step 8, first fermented 24～36 hours after, the mixture that step 6 is obtained turns once; After fermenting 12～24 hours, turn once, so repeatable operation is 5～7 days, finishes secondary fermentation again again; Rear fermentating period ventilated once in per 4 hours, ventilated 10～20 minutes at every turn, will keep ventilation state when turning;
Step 9, the mixture that will finish after the secondary fermentation store, and turn at least weekly once between the shelf lives, will keep ventilation state when turning;
The moisture content of step 10, the mixture that obtains after step 9 is 40%～50%, adds coal dust or carbon black, make with extra care the last first kind sewage sludge biomass fuel that forms, but this class A fuel A boiler of feeding burning use.
Step 11: the moisture content of the mixture that obtains after step 9 is 30% when following, uses the briquetting press briquette forming, obtains Equations of The Second Kind sewage sludge biomass fuel, can directly store sale.
The present invention carries out in the dehydration at the mixture to mud and biomass material, sprinkle the organic fertilizer fermentation bacterial classification, the fertile fermented bacterium of machine can decompose organic, eliminate fixed nitrogen, sulphur, remove stink, increase calorific value, simultaneously can also abolish cell envelope, the constraint of releasing sludge water content, decompose the heat that produces and be conducive to the moisture evaporation, therefore in order better to make the organic fertilizer fermentation bacterial classification bring into play its active function, carry out in the primary fermentation process in described step 6, make the mixture of accumulation keep heating up, and the mixture temperature that makes accumulation is controlled at greater than 50 degree, preferably be controlled at 50 degree～80 degree, the effect that turns is that mixture is mixed, and the fertile fermented bacterium of machine is evenly distributed, although when turning, the temperature of the mixture of piling up can reduce, but during non-turning, need to make the mixture of accumulation keep soaking condition, soaking condition is in order to make the fertile fermented bacterium of machine keep the optimum activity state, thereby make the decomposition of Organic Sludge more abundant, eliminate simultaneously the fixed nitrogen in the Organic Sludge, sulphur is removed stink, increases calorific value, abolish cell envelope, remove the moisture constraint in the viscosity mud; And carry out in the secondary fermentation process in described step 8, making the mixture of accumulation keep cooling, and the mixture temperature of accumulation is controlled at less than 80, in the secondary fermentation process, the effect that turns mainly is in order to make the mixture cooling of accumulation.Through front and back fermenting twice process, can more be conducive to the evaporation of mixture moisture like this, the present invention does not need to build special sludge dewatering facility, and is economical and practical, is convenient to implement.
Claims (4)
1. the manufacture method of a sewage sludge biomass fuel is characterized in that: comprise the steps:
Step 1, water-containing sludge is carried out pre-treatment: character and processing mode according to sludge creation are divided into inanimate matter water-containing sludge and organic water-containing sludge with water-containing sludge, and choose organic water-containing sludge as the subsequent disposal basis;
Impurity in step 2, the organic water-containing sludge of removal;
Step 3, biomass material is carried out pre-treatment: with the biomass material de-iron, be crushed to length less than 3CM;
Step 4, will remove organic water-containing sludge behind the impurity with de-iron and the biomass material after pulverizing mixes according to the ratio of 2:1～3:1;
Step 5, the mixture that step 4 is obtained are transported on the fermentation place and accumulation, piling height is controlled at 3 meters～5 meters, sprinkle simultaneously can decompose organic, eliminate fixed nitrogen in the organic matter, fixedly sulphur, deodorize, the organic fertilizer fermentation bacterial classification of the gain of heat, the machine that sprinkles fertilizer fermented bacterium weight is 0.5%～1.5% of mixture weight;
Step 6, first fermented 24～36 hours after, turn once piling up good mixture; After fermenting 12～24 hours, turn once, so repeatable operation is 3～5 days, finishes primary fermentation again again; Ventilated once in per 4 hours during the primary fermentation, ventilated 10～20 minutes at every turn, will keep ventilation state when turning;
Adding weight in step 7, the mixture after finishing primary fermentation is the biomass material of the mixture weight 3-5% behind the primary fermentation again, and evenly mixes;
Step 8, first fermented 24～36 hours after, the mixture that step 6 is obtained turns once; After fermenting 12～24 hours, turn once, so repeatable operation is 5～7 days, finishes secondary fermentation again again; Rear fermentating period ventilated once in per 4 hours, ventilated 10～20 minutes at every turn, will keep ventilation state when turning;
Step 9, the mixture that will finish after the secondary fermentation store, and turn at least weekly once between the shelf lives, will keep ventilation state when turning;
The moisture content of step 10, the mixture that obtains after step 9 is 40%～50%, adds coal dust or carbon black, make with extra care last formation first kind sewage sludge biomass fuel.
2. the manufacture method of sewage sludge biomass fuel according to claim 1, it is characterized in that: also comprise step 11: the moisture content of the mixture that obtains after step 9 is 30% when following, use the briquetting press briquette forming, obtain Equations of The Second Kind sewage sludge biomass fuel.
3. the manufacture method of sewage sludge biomass fuel according to claim 1 and 2 is characterized in that: in the described step 4 organic water-containing sludge and de-iron and pulverize after the blending ratio of biomass material be 7:3.
4. the manufacture method of sewage sludge biomass fuel according to claim 1, it is characterized in that: carry out in the primary fermentation process in described step 6, make the mixture of accumulation keep heating up, and the mixture temperature that makes accumulation is controlled at greater than 50 degree, and carry out in the secondary fermentation process in described step 8, make the mixture of accumulation keep cooling, and the mixture temperature of accumulation is controlled at less than 80.
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| CN201210479041.4A CN102942978B (en) | 2012-11-21 | 2012-11-21 | Manufacturing method of sludge biomass fuel |
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| CN201210479041.4A CN102942978B (en) | 2012-11-21 | 2012-11-21 | Manufacturing method of sludge biomass fuel |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305309A (en) * | 2013-06-29 | 2013-09-18 | 许成荫 | Biomass fuel and preparation method thereof |
| CN103805304A (en) * | 2014-02-10 | 2014-05-21 | 汪兴华 | Manufacturing method of sludge biomass compact briquette fuel |
| CN104830395A (en) * | 2015-05-08 | 2015-08-12 | 张卫平 | Preparation method of sludge biomass energy fuel |
| CN104927963A (en) * | 2015-06-19 | 2015-09-23 | 大安区农村产业技术服务中心 | Crop straw biomass fuel and preparation method thereof |
| CN105695033A (en) * | 2016-04-12 | 2016-06-22 | 杜普利 | Preparation method of sludge biomass fuels |
| CN106147920A (en) * | 2016-08-25 | 2016-11-23 | 仇颖超 | A kind of preparation method of composite biomass fuel |
| CN106753648A (en) * | 2016-12-30 | 2017-05-31 | 杨立亮 | Sludge garbage prepares environmentally-friebiomass biomass composite fuel and preparation method thereof |
| CN109233932A (en) * | 2018-09-30 | 2019-01-18 | 中国水利水电科学研究院 | A kind of biomass energy sludge fuel stick for strengthening energy regenerating |
| CN109401808A (en) * | 2018-09-30 | 2019-03-01 | 中国水利水电科学研究院 | The method of leather-making waste water harmless treatment preparation biomass energy sludge fuel |
| CN111996056A (en) * | 2020-08-17 | 2020-11-27 | 黑龙江胤蓝生物质能源科技有限公司 | Novel biomass briquette high-calorific-value fuel |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103305309A (en) * | 2013-06-29 | 2013-09-18 | 许成荫 | Biomass fuel and preparation method thereof |
| CN103805304A (en) * | 2014-02-10 | 2014-05-21 | 汪兴华 | Manufacturing method of sludge biomass compact briquette fuel |
| CN104830395A (en) * | 2015-05-08 | 2015-08-12 | 张卫平 | Preparation method of sludge biomass energy fuel |
| CN104927963A (en) * | 2015-06-19 | 2015-09-23 | 大安区农村产业技术服务中心 | Crop straw biomass fuel and preparation method thereof |
| CN105695033A (en) * | 2016-04-12 | 2016-06-22 | 杜普利 | Preparation method of sludge biomass fuels |
| CN106147920A (en) * | 2016-08-25 | 2016-11-23 | 仇颖超 | A kind of preparation method of composite biomass fuel |
| CN106753648A (en) * | 2016-12-30 | 2017-05-31 | 杨立亮 | Sludge garbage prepares environmentally-friebiomass biomass composite fuel and preparation method thereof |
| CN109233932A (en) * | 2018-09-30 | 2019-01-18 | 中国水利水电科学研究院 | A kind of biomass energy sludge fuel stick for strengthening energy regenerating |
| CN109401808A (en) * | 2018-09-30 | 2019-03-01 | 中国水利水电科学研究院 | The method of leather-making waste water harmless treatment preparation biomass energy sludge fuel |
| CN111996056A (en) * | 2020-08-17 | 2020-11-27 | 黑龙江胤蓝生物质能源科技有限公司 | Novel biomass briquette high-calorific-value fuel |
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Application publication date: 20140430 Assignee: Ningbo hi tech Zone Li Li Energy Saving Technology Co., Ltd. Assignor: Bao Xiaodong Contract record no.: 2014980000042 Denomination of invention: Manufacturing method of sludge biomass fuel Granted publication date: 20140430 License type: Exclusive License Record date: 20141208 |
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