CN101639225A - Biomass water-coal-slurry slurring and combustion method and integrated system - Google Patents
Biomass water-coal-slurry slurring and combustion method and integrated system Download PDFInfo
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Abstract
The invention relates to a biomass water-coal-slurry slurring and combustion method and an integrated system. The integrated system is provided with a solid waste and industrial waste water processingmodule, a biomass water-coal-slurry slurring module and a water-coal-slurry boiler and integrated heating system and is characterized in that firstly, solid combustible waste and waste water are putinto the solid waste and industrial waste water processing module for being processed; and then film concentrate which takes biochemical sludge and organic concentrated waste water as main and is processed by film concentration and 30-40% of film concentrate of washing steam coal processed according to 60-70% of film concentration processing of the washing steam coal are matched and put in the biomass water-coal-slurry slurring module for blending to prepare biomass water-coal-slurry; and the prepared biomass water-coal-slurry is put in the water-coal-slurry boiler and integrated heating system for grate firing suspension combined type or circulating fluid-bed suspension combined type combustion; and during the combustion, crushed and dried solid combustible waste is added in batch type mode.
Description
Affiliated technical field
Patent of the present invention relates to a kind of deep processing that acts as a fuel with coal, refer in particular to a kind of production method and system that utilizes coal and high concentrated organic wastewater slurrying to be made into biomass coal-water slurry, adopt this systems approach metabolic water coal slurry and mud simultaneously, realize waste water, sludge energyization.
Background technology
Water-coal-slurry is the novel clean fuel of a kind of replace oil with coal of developing rapidly of the seventies oil crisis.It is by the high-quality coal more than 60%, water about 30% and a small amount of additive, form through certain technical process processing and preparing, both kept the original characteristic of coal, possess the same flowability of oil and stable again, it pollutes low, it is convenient to carry, store, and spray burning efficient can reach 98%, can be applied to Industrial Boiler, station boiler and Industrial Stoves previous generation oil, coal combustion, also can be used as gasified raw material, be used for Coal Chemical Industry projects such as synthetic ammonia, synthesizing methanol.Therefore COAL-WATER SLURRY TECHNOLOGY causes the common concern of countries in the world.Countries such as Sweden, the U.S., Japan, the Soviet Union, Italy, Canada all drop into a large amount of funds and manpower, carry out scientific research and technological development.Enter industrial-scale pilot and application stage in succession at present, set up the commercial demonstration project of some large scale industry scales.
Review the coal slurry evolution process, can realize " substituting " process wherein, promptly from simple oil product liquid fuel; Substitute the part oil plant to coal dust, coal-oily mixed type fuel slurry, i.e. coal occur; Substitute the part oil product through water again, coal-oil emulsion (oil-water) mixed type fuel slurry occurs; Arrive water again and substitute whole oil products, coal-water mixed type fuel slurry, i.e. water-coal-slurry occur.The comprehensive advantage of water-coal-slurry has experienced the affirmation of practice, has formed the situation of current " preliminary industry is applied ", and the development of the industrialization impetus is powerful.Along with development of technology, utilize COAL-WATER SLURRY TECHNOLOGY disposing sludge, waste liquid to obtain important breakthrough, the secondary pollution and the high control expense of conventional process mode have been taken leave of, combustible in mud, the waste liquid or contained alkali-metal oxygen, carbon, chloride are fully used to the catalytic performance that promotes coal burning, realize mud, effluent resource, i.e. biomass coal-water slurry.Biomass coal-water slurry is exactly mud or waste liquid mixes with coal and a kind of fuel slurry of processing by COAL-WATER SLURRY TECHNOLOGY.Wherein, mud or waste liquid can not only provide heat, strengthen the coal slurry combustion activity, and coal particles and mud or waste liquid are even and change fluid into, make the coal slurry can pumping.Because " water " in the water-coal-slurry is substituted by mud or waste liquid, when mud, waste liquid are fully utilized, has saved a large amount of clear water and part coal; Coal plays the effect of smooth combustion as auxiliary fuel.According to mud (waste liquid) high-moisture characteristic, it directly is used as the coal slurry raw material, just right just.The biomass coal-water slurry technology can not only solve mud (waste liquid) resource difficult problem well, and can simplify mud (waste liquid) and handle and the disposal flow process, saves the sewage disposal system capital expenditure, reduces operating cost.The biomass coal-water slurry technology makes enterprise become pollute negative benefit to be the resource positive benefit, has omitted " pollution treatment workshop " and has had oneself " energy workshop ".COAL-WATER SLURRY TECHNOLOGY has the energy and environmental protection double effect concurrently, can not only make " coal for replacing oil ", and more can make " rubbish is for coal ", " rubbish is for oil " burning.Along with the increasing of China's pollution treatment dynamics, the mud that is produced in the town sewage purification process, and, become a difficult problem that needs to be resolved hurrily to containing heavy metal, pathogen and other is difficult to realize the harmless treatment of biodegradable waste liquid.COAL-WATER SLURRY TECHNOLOGY can be with its processing and utilization, and one has burnt it.Thereby the multifactor environmental protection difficult problem of complexity is simplified greatly, and then intactly embodied the sensu lato environment protection significance of COAL-WATER SLURRY TECHNOLOGY, the resource/energy/target of environmental integration system, character, function are embodied on the whole.This is the most general essence of COAL-WATER SLURRY TECHNOLOGY.Picture biomass coal-water slurries etc. all are this essential different manifestations.
At present coal is combined the application force of making water-coal-slurry with industrial wastewater many, (publication number is: CN1405493) disclose a kind of in adopting the sulphite pulp and paper industry as Chinese invention patent " treatment of papermaking black liquor of sulphite by water coal fluid process ", the black liquor that produces is prepared into water-coal-slurry, the metabolic water coal slurry reaches the treatment of papermaking black liquor of sulphite by water coal fluid process of eliminating black liquor pollution, the solid content concentration that coal is produced with sulfite pulping be the black liquid of 3-40% according to weight ratio 1: 8-2: 1 scope is prepared into water-coal-slurry, the metabolic water coal slurry is eliminated contaminated wastewater, it is little to have investment, operating cost is low, safe and practical, technology advanced person, characteristics such as operation is simple can be promoted to all papermaking enterprises.
Chinese invention patent " utilizing coal water slurry process to administer the method for cotton pulp black liquor " (publication number: CN1313426) disclose the method that a kind of technology of utilizing the metabolic water coal slurry is administered the cotton pulp black liquor that discharges in the chemical fibre industry, the cotton pulp black liquor that with coal and solid content concentration is 3-40% is by weight 1: 8-2: 1 scope is mixed with water-coal-slurry, boiler of feeding uses, it is 1-65% that coal adopts the ash content of coal, fugitive constituent is 15-40%, calorific value is 15-30MJ/Kg, during cool water mixture burning, still have in the boiler and join the burning coal, its ratio is the 10-70% of the total Coal-fired capacity of boiler, when the ratio of coal in the coal slurry is not less than 50%, metabolic water coal slurry separately, it is little to have investment, operating cost is low, safe and practical, technology advanced person, characteristics such as operation is simple can be promoted to all chemical fiber factories.
Chinese invention patent " utilizing coal slime to administer the method for high dense industrial wastewater " (publication number: CN1335267) disclose the method for utilizing coal slime to administer high dense industrial wastewater, before it is characterized in that coal slime and high dense industrial wastewater evenly mixing, be placed in the double container that separates by filter cloth, adopt contained clear water in the high dense industrial wastewater displacement coal slime.The invention solves and adopt the coal mud water slurry method to handle the water-in-fuel rate height that high dense industrial wastewater brings, can't allocate the problem of high dense industrial wastewater in a large number into.
Chinese invention patent " sludge water-coal-slurry and manufacture craft thereof " (publication number: CN1594514) disclose a kind of sludge water-coal-slurry and manufacture craft thereof, be to stack contaminated environment in order to overcome existing city water treatment sludge, influence urban construction, and dehydrate burning and will ignite with combustible, it is insufficient to burn, the problem that residual slag is many provides, be that city water treatment sludge and finished product water-coal-slurry and finished product dispersant are added tubular grinding machine ground and mixed jointly, filter through filter, particle diameter is delivered to the burning of dedicated water fluid-fired boiler less than the sludge water-coal-slurry of 0.5mm particle.Above-mentioned sludge water-coal-slurry manufacture craft is simple, consumed energy is few, make fuel for the dedicated water fluid-fired boiler, its burnout rate can reach 98%, can not only significantly reduce of the harm of the mud of sewage disposal, but also can turn waste into wealth, the combustible in the mud is fully burned the city, a large amount of energy can be saved, present problem can also be alleviated simultaneously with the coal anxiety.
And for example in Guangdong University of Technology's Master of engineering academic dissertation " coking chemical waste water prepares the research and the commercial Application of water-coal-slurry ", proposition is used as the water-coal-slurry raw material after the coking washes is reclaimed tar, both solved the emission problem of coking chemical waste water, make full use of the coal dust that is not suitable for coal gasifying process again, greatly reduced the energy resource consumption of ceramic enterprise.Consider the water-coal-slurry made from coking chemical waste water and the heavy oil comparison of former usefulness, but 3,830,000 yuan of cost savings in a year from economic angle.Utilizing coking chemical waste water to prepare water-coal-slurry can not only turn waste into wealth, and also greatly reduces the concentration of emission of pollutant.The result shows, utilizes the coking chemical waste water and the fine coal that produce in the coal gasification course to reach technical feasibility, economical rationality, eco-friendly target for the feedstock production coal water slurry fuel.
As can be seen because the characteristics of water-coal-slurry; be engaged in water-coal-slurry research and getting more and more of using now; but as can be seen from above paper and patent; existing water-coal-slurry and biomass water-coal-slurry slurring all are the feasibilities of having inquired into preparation biomass coal-water slurry and burning from aspects such as slurrying, burning and disposals of pollutants, but all do not relate to biomass water-coal-slurry slurring, Combustion Integration System and industrially scalable application.Therefore for biomass coal-water slurry really is applied, still remain further to be studied.
Summary of the invention
The objective of the invention is to deficiency at existing biomass water-coal-slurry slurring technology, in order to give full play to the combustion characteristics of water-coal-slurry, really reach the application of water-coal-slurry and organic liquid waste, mud industrial treatment, a kind of new biomass water-coal-slurry slurring, combustion method and integrated system are proposed, make up biomass water-coal-slurry slurring, the integrated industrialized application system of burning, realize the integrated target of energy environment protection.
The technical solution used in the present invention is: a kind of biomass water-coal-slurry slurring, combustion method, adopt the system integration module processing mode, whole biomass water-coal-slurry slurring, combustion system are divided into solid waste Industrial Wastewater Treatment module, biomass water-coal-slurry slurring module and coal water slurry boiler and three modules of central heating module; Wherein, the function of solid waste Industrial Wastewater Treatment module is with the fragmentation of solid combustible refuse, drying, is convenient to the fuel as grate firing, and industrial wastewater is used for slurrying through supercentrifuge and film concentration with the film concentrate after handling; The function of biomass water-coal-slurry slurring module is that the washing thermal coal with 60-70% mixes with industrial wastewater and the biochemical sludge film concentrate of 30-40%, and water-coal-slurry slurring technology makes biomass coal-water slurry routinely; The function of coal water slurry boiler and central heating module is to convert biomass coal-water slurry, dry solid combustible refuse that preceding two modules are produced to heat energy with grate firing suspension combined type or recirculating fluidized bed suspension combined type coal water slurry boiler, and concentrated heat supply.Three modules of solid waste Industrial Wastewater Treatment module, biomass water-coal-slurry slurring module and coal water slurry boiler and central heating module are---biomass water-coal-slurry slurring module---coal water slurry boiler and the arrangement of central heating sequence of modules according to solid waste Industrial Wastewater Treatment module.Described biomass water-coal-slurry slurring, combustion method are to place solid waste Industrial Wastewater Treatment module to handle solid combustible refuse, waste water earlier.Wherein, the solid combustible refuse is carried out fragmentation, the dry processing, standby as the fuel of grate firing; Again with industrial wastewater through supercentrifuge and film concentration, form film concentrate based on biochemical sludge and organic concentrated waste water, the film concentrate after the film concentration is used for slurrying, the water after the processing is used to size mixing or does other commercial Application; And then with after the film concentration based on the film concentrate of biochemical sludge and organic concentrated waste water and washing thermal coal according to washing thermal coal 60-70%, film concentrate 30-40% after the film concentration carries out proportioning, places the biomass water-coal-slurry slurring module to mix and produces biomass coal-water slurry; The biomass coal-water slurry that makes is placed coal water slurry boiler and central heating module to carry out grate firing suspension combined type or the burning of recirculating fluidized bed suspension combined type, the formula of having a rest during burning adds fragmentation, the dry solid combustible refuse of handling again.Biomass coal-water slurry produces vapours through heat-exchanger rig after the coal water slurry boiler internal combustion, heat dynamic resource is provided.
The advantage of the technical program is:
1, changes the processing theory of high concentrated organic wastewater, its resource, energy have been handled, simplified the handling process of high concentrated organic wastewater greatly;
2, improved comprehensive utilization of resources efficient, the biomass coal-water slurry efficiency of combustion is greater than 99%, the biomass energy in recyclable sewage, the mud;
3, can be the advanced technology Integrated Solution that industry park ecology construction, the integrated construction of large enterprise's energy environment protection provide through engineering approaches.
Description of drawings
Fig. 1 is a modular structure layout drawing of the present invention;
Fig. 2 is a process principle figure of the present invention.
The specific embodiment
The present invention will be further described below in conjunction with specific embodiment.
Accompanying drawing 1 has provided module arrangement order of the present invention, the present invention is the modular system integration device of a kind of biomass water-coal-slurry slurring, burning as seen in Figure 1, mainly comprises three modules of solid waste Industrial Wastewater Treatment module, biomass water-coal-slurry slurring module and coal water slurry boiler and central heating module; Three module---biomass water-coal-slurry slurring module---coal water slurry boiler and arrangements of central heating sequence of modules according to solid waste Industrial Wastewater Treatment module, the heat power that coal water slurry boiler and central heating module produce is directly supplied with the user.The present invention adopts the system integration module processing mode, whole biomass water-coal-slurry slurring, combustion system are handled by modular treating apparatus, wherein, the function of solid waste Industrial Wastewater Treatment module is with the fragmentation of solid combustible refuse, drying, be convenient to fuel as grate firing, industrial wastewater is used for slurrying through supercentrifuge and film concentration with the film concentrate after handling; The function of biomass water-coal-slurry slurring module is that the washing thermal coal with 60-70% mixes with industrial wastewater and the biochemical sludge film concentrate of 30-40%, and water-coal-slurry slurring technology makes biomass coal-water slurry routinely; The function of coal water slurry boiler and central heating module is to convert biomass coal-water slurry, dry solid combustible refuse that preceding two modules are produced to heat energy with grate firing suspension combined type or recirculating fluidized bed suspension combined type coal water slurry boiler, and concentrated heat supply.
Accompanying drawing 2 has provided a kind of concrete implementing process route of the present invention, is to place solid waste Industrial Wastewater Treatment module to handle solid combustible refuse, waste water earlier by the described as can be seen biomass water-coal-slurry slurring of accompanying drawing 2, combustion method.Wherein, the solid combustible refuse is carried out fragmentation, the dry processing, standby as the fuel of grate firing; Again with industrial wastewater through supercentrifuge and film concentration, form film concentrate based on biochemical sludge and organic concentrated waste water, the film concentrate after the film concentration is used for slurrying, the water after the processing is used to size mixing or does other commercial Application; And then with after the film concentration based on the film concentrate of biochemical sludge and organic concentrated waste water and washing thermal coal according to washing thermal coal 60-70%, film concentrate 30-40% after the film concentration carries out proportioning, places the biomass water-coal-slurry slurring module to mix and produces biomass coal-water slurry; The biomass coal-water slurry that makes is placed coal water slurry boiler and central heating module to carry out grate firing suspension combined type or the burning of recirculating fluidized bed suspension combined type, the formula of having a rest during burning adds fragmentation, the dry solid combustible refuse of handling again.Biomass coal-water slurry produces vapours through heat-exchanger rig after the boiler internal combustion, heat dynamic resource is provided.
Embodiment one
A kind of biomass water-coal-slurry slurring, combustion method are to place solid waste Industrial Wastewater Treatment module to handle solid combustible refuse, waste water earlier.Wherein, the solid combustible refuse is carried out fragmentation, the dry processing, standby as the fuel of grate firing; Again with industrial wastewater through supercentrifuge and film concentration, form film concentrate based on biochemical sludge and organic concentrated waste water, the film concentrate after the film concentration is used for slurrying, the water after the processing is used to size mixing or does other commercial Application; And then with after the film concentration based on the film concentrate of biochemical sludge and organic concentrated waste water and washing thermal coal according to washing thermal coal 65%, film concentrate after the film concentration 35% carries out proportioning, places the biomass water-coal-slurry slurring module to mix and makes biomass coal-water slurry by the traditional coal-water-slurry pulping process.Biomass coal-water slurry is stokehold slurrying, and the storage time is no more than three days, with the fermentation that prevents living beings, rotten; The biomass coal-water slurry that makes is placed coal water slurry boiler and central heating module to carry out grate firing suspension combined type or the burning of recirculating fluidized bed suspension combined type, the formula of having a rest burning time adds fragmentation, the dry solid combustible refuse of handling again.Biomass coal-water slurry produces vapours through heat-exchanger rig after the coal water slurry boiler internal combustion, heat dynamic resource is provided.The flyash of coal water slurry boiler under deduster removes, can add once more water-coal-slurry and or broken living beings make binding agent, mix, mediate through the single-screw mixer, the coal rod is made in the screw extruder moulding, naturally dry, enter grate firing or fluidized bed combustion in grate firing suspension combined type or the recirculating fluidized bed suspension combined type coal water slurry boiler at last.
Tank top at biomass coal-water slurry is provided with the waste gas extractor fan, and this extractor fan links to each other with the blower inlet of boiler, makes biomass coal-water slurry go into the stove burning because of storing the waste gas that produces.
Claims (9)
1. biomass water-coal-slurry slurring, combustion method and integrated system are provided with three modules of solid waste Industrial Wastewater Treatment module, biomass water-coal-slurry slurring module and coal water slurry boiler and central heating module; It is characterized in that: place solid waste Industrial Wastewater Treatment module to handle solid combustible refuse, waste water earlier; And then with after the film concentration based on the film concentrate of biochemical sludge and organic concentrated waste water and washing thermal coal according to washing thermal coal 60-70%, film concentrate 30-40% after the film concentration carries out proportioning, places the biomass water-coal-slurry slurring module to mix and produces biomass coal-water slurry; The biomass coal-water slurry that makes is placed coal water slurry boiler and central heating module to carry out grate firing suspension combined type or the burning of recirculating fluidized bed suspension combined type, the formula of having a rest during burning adds fragmentation, the dry solid combustible refuse of handling again.
2. biomass water-coal-slurry slurring according to claim 1, combustion method, it is characterized in that: it is that the solid combustible refuse is carried out fragmentation, the dry processing that described solid combustible refuse, waste water place solid waste Industrial Wastewater Treatment module to handle, standby as the fuel of grate firing; Again with industrial wastewater through supercentrifuge and film concentration, form film concentrate based on biochemical sludge and organic concentrated waste water, the film concentrate after the film concentration is used for slurrying, the water after the processing is used to size mixing or does other commercial Application.
3. a biomass water-coal-slurry slurring, Combustion Integration System, it is characterized in that: be the modular system integration device of a kind of biomass water-coal-slurry slurring, burning, comprise three modules of solid waste Industrial Wastewater Treatment module, biomass water-coal-slurry slurring module and coal water slurry boiler and central heating module; Three module---biomass water-coal-slurry slurring module---coal water slurry boiler and arrangements of central heating sequence of modules according to solid waste Industrial Wastewater Treatment module, the heat power that coal water slurry boiler and central heating module produce is directly supplied with the user.
4. a kind of biomass water-coal-slurry slurring according to claim 3, Combustion Integration System, it is characterized in that: the function of described solid waste Industrial Wastewater Treatment module is with the fragmentation of solid combustible refuse, drying, be convenient to fuel as grate firing, industrial wastewater is used for slurrying through supercentrifuge and film concentration with the film concentrate after handling.
5. biomass water-coal-slurry slurring according to claim 3, Combustion Integration System, it is characterized in that: the function of described biomass water-coal-slurry slurring module is that the washing thermal coal with 60-70% mixes with industrial wastewater and the biochemical sludge film concentrate of 30-40%, and water-coal-slurry slurring technology makes biomass coal-water slurry routinely.
6. biomass water-coal-slurry slurring according to claim 3, Combustion Integration System, it is characterized in that: the function of described coal water slurry boiler and central heating module is to convert biomass coal-water slurry, dry solid combustible refuse that preceding two modules are produced to heat energy with grate firing suspension combined type or recirculating fluidized bed suspension combined type coal water slurry boiler, and concentrated heat supply.
7. biomass water-coal-slurry slurring according to claim 3, Combustion Integration System is characterized in that: described biomass coal-water slurry is stokehold slurrying, and the storage time is no more than three days, with the fermentation that prevents living beings, rotten.
8. biomass water-coal-slurry slurring according to claim 3, Combustion Integration System, it is characterized in that: the flyash of described coal water slurry boiler under deduster removes, add water-coal-slurry and or broken living beings make binding agent, mix, mediate through the single-screw mixer, the coal rod is made in the screw extruder moulding, naturally dry, enter grate firing or fluidized bed combustion in grate firing suspension combined type or the recirculating fluidized bed suspension combined type coal water slurry boiler at last.
9. biomass water-coal-slurry slurring according to claim 3, Combustion Integration System, it is characterized in that: the tank top of described biomass coal-water slurry is provided with the waste gas extractor fan, this extractor fan links to each other with the blower inlet of boiler, makes biomass coal-water slurry go into the stove burning because of storing the waste gas that produces.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732345A (en) * | 2012-07-10 | 2012-10-17 | 煤炭科学研究总院 | Sludge coal-water slurry and preparation method thereof |
| CN103528049A (en) * | 2013-10-14 | 2014-01-22 | 上海交通大学 | Biomass-coal water slurry co-fired organic working medium boiler |
| CN103629659A (en) * | 2013-12-12 | 2014-03-12 | 碧海舟（北京）石油化工设备有限公司 | Process for producing heat by wastewater and biomass |
| CN110791342A (en) * | 2019-11-01 | 2020-02-14 | 安徽大学 | Method for improving coal combustion by using domestic sludge |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1335267A (en) * | 2000-07-24 | 2002-02-13 | 张书良 | High-concentration industrial effluent treating method with coal slime |
| CN1313426A (en) * | 2000-12-19 | 2001-09-19 | 河南中原环保工程有限公司 | Process for treatinb black liquid of cotton pulse by means of water-coal slurry |
| CN1559939A (en) * | 2004-03-10 | 2005-01-05 | 沈阳戴维国际机电设备有限公司 | Process for treating sludge of sewage treatment plant by circulating fluidizing burning method |
| CN1238477C (en) * | 2004-07-08 | 2006-01-25 | 姜贵利 | Sludge coal water slurry and process for making same |
| CN1837070A (en) * | 2005-03-25 | 2006-09-27 | 淄博天工石化工程咨询有限公司 | Process for treating industrial sewage |
| CN101063521A (en) * | 2006-04-25 | 2007-10-31 | 邓立新 | Coal water slurry inverse flame suspending circulating type burning method and combustion equipment thereof |
| CN101070956A (en) * | 2006-05-12 | 2007-11-14 | 邓立新 | Coal-water slurry combustion method and its combustion equipment |
| CN101463279A (en) * | 2007-12-21 | 2009-06-24 | 王风寅 | Method for using coal water slurry prepared from alkaline papermaking black liquor in coal water slurry gasification |
| CN101492621A (en) * | 2008-12-02 | 2009-07-29 | 吴荣标 | Sewage sludge biomass coal liquid and producing process |
-
2009
- 2009-09-04 CN CN200910044269A patent/CN101639225B/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102732345A (en) * | 2012-07-10 | 2012-10-17 | 煤炭科学研究总院 | Sludge coal-water slurry and preparation method thereof |
| CN102732345B (en) * | 2012-07-10 | 2014-09-10 | 煤炭科学研究总院 | Sludge coal-water slurry and preparation method thereof |
| CN103528049A (en) * | 2013-10-14 | 2014-01-22 | 上海交通大学 | Biomass-coal water slurry co-fired organic working medium boiler |
| CN103528049B (en) * | 2013-10-14 | 2016-02-10 | 上海交通大学 | The organic working medium boiler of living beings-water-coal-slurry multifuel combustion |
| CN103629659A (en) * | 2013-12-12 | 2014-03-12 | 碧海舟（北京）石油化工设备有限公司 | Process for producing heat by wastewater and biomass |
| CN110791342A (en) * | 2019-11-01 | 2020-02-14 | 安徽大学 | Method for improving coal combustion by using domestic sludge |
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| Publication number | Publication date |
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| CN101639225B (en) | 2012-10-03 |
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