CN103912880B - A kind of industrial organic wastes processes and reuse method - Google Patents
A kind of industrial organic wastes processes and reuse method Download PDFInfo
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- CN103912880B CN103912880B CN201410138526.6A CN201410138526A CN103912880B CN 103912880 B CN103912880 B CN 103912880B CN 201410138526 A CN201410138526 A CN 201410138526A CN 103912880 B CN103912880 B CN 103912880B
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Abstract
The invention discloses a kind of industrial organic wastes to process and reuse method, its step includes preparing bed；This bed is sent into fluidization-suspension combustion device, makes bed be in fluidized state；Utilize external heat source that this bed is heated；After the fuel combination that industrial organic wastes and water-coal-slurry are formed is carried out fluidization-suspension combustion, cut off external heat source；The heat that burning produces makes working-medium water become hot water or steam；Air is entered after the purified process of flue gas after cooling.This method has that cost is low, the feature of high treating effect, and industrial organic wastes can be carried out energy clean utilization, is turned waste into wealth by industrial organic wastes, thus efficiently solving problem of environmental pollution.
Description
Technical field
The present invention relates to a kind of offal treatment and reuse method, particularly relate to a kind of industrial organic wastes and process and reuse method.
Background technology
Industrial organic wastes, such as printing and dyeing sludge, paper mill sludge, medicinal residues etc., is with the solid waste produced in production process, containing materials such as Organic substance, water, silts.Traditional treatment method is that industrial organic wastes is carried out cured, then air storage, buries.This way not only land occupation, and process costly, simultaneously containing the harmful substance such as sulfur, heavy metal in industrial organic wastes, directly pollute soil, surface water and groundwater, do not solve problem of environmental pollution at all.
Patent: 200910226432.3 provide the processing method of a kind of garbage, under supercriticality or subcritical state, in the presence of oxygen by processed wastes hydrothermal oxidation Decomposition and utilize solvent recovery metal class inorganic matter therein.But the processing cost that energy and the consumption of solvent make garbage is higher, and treating capacity is limited.
Patent: 201310060604.0 provide a kind of industry, building, the process of domestic refuse and reuse method, using trade waste, building castoff, domestic refuse as the raw material additive of curable materials, by by curable materials cured, trade waste, building castoff, domestic refuse is made to fix, it is reused as a part for the solidfied material after solidifying by the trade waste after fixing, building castoff, domestic refuse, but this method can not process the trade waste containing large amount of organic well.
It addition, patent: 201210290178.5 provide a kind of system being processed organic waste by biofermentation, but this biotechnology processes the method for garbage except relatively costly, is also subject to the impact of extraneous factor.
Therefore, processing industrial organic wastes is a great problem in commercial production.
Summary of the invention
Because the drawbacks described above of prior art, the technical problem to be solved is to provide a kind of method of low cost, the process efficiently, easily realized and recycling industrial organic wastes, reduction processes the cost of industrial organic wastes, and industrial organic wastes is turned waste into wealth, efficiently solve problem of environmental pollution.
For achieving the above object, the invention provides a kind of industrial organic wastes and process and reuse method, specifically include following steps:
The first step, prepares bed；
Second step, sends described bed into fluidization-suspension combustion device, and air enters described fluidization-suspension combustion device through bellows, air distribution plate simultaneously, regulates air output and makes described bed be in fluidized state；
3rd step, utilizes external heat source that described bed is heated, and makes the temperature of described fluidization-suspension combustion device reach the first temperature；
4th step, sends industrial organic wastes and water-coal-slurry into described fluidization-suspension combustion device, and carries out fluidization-suspension combustion, make the temperature of described fluidization-suspension combustion device reach the second temperature, and produce flue gas, cut off external heat source afterwards；
5th step, the heat produced in described 4th step passes to, through described flue gas, the heating surface being arranged in described fluidization-suspension combustion device, makes working-medium water become hot water or steam；Air is entered after the purified process of described flue gas after cooling.
Further, described bed adopts quartz sand and limestone to mix, and mixed proportion is determined according to the sulfur content in described industrial organic wastes, and making calcium to sulphur mole ratio is 2～4.
Further, described first temperature is 500 DEG C.
Further, described second temperature is 850～1000 DEG C.
Further, before entering described fluidized suspension device, described industrial organic wastes and described water-coal-slurry are mixed to form pulpous state fuel combination, make the caloric value of described fuel combination be not less than 2400kcal/kg.
Further, described industrial organic wastes and described water-coal-slurry respectively enter described fluidization-suspension combustion device, form fuel combination, make the caloric value of described fuel combination be not less than 2400kcal/kg in described fluidization-suspension combustion device.
Further, the outlet at described fluidization-suspension combustion device is provided with smoke eliminator, makes described flue gas enter air after described smoke eliminator processes.
Further, outlet at described fluidization-suspension combustion device is provided with horizontal separation burning device, bulky grain group and the described bed taken out of by flue gas of unburned described fuel combination completely enter described horizontal separation burning device, the described bed that described bulky grain is rolled into a ball and taken out of by flue gas under centrifugal force and action of gravity is separated, catch and return described fluidization-suspension combustion device, the minimizing of circulating combustion and the loss of described bed to realize described fuel combination.
Further, described industrial organic wastes is printing and dyeing sludge, paper mill sludge or medicinal residues.
A kind of industrial organic wastes provided by the invention processes and in reuse method, industrial organic wastes and water-coal-slurry is utilized to form fuel combination, working-medium water is become hot water or steam by the heat produced after burning, achieve the recovery energy of solid waste, generation CaO calcined by the limestone simultaneously comprised in bed under high temperature (850～1000 DEG C), with the SO in flue gas2Reaction generates CaSO4, reduce SO2Discharge, and this running temperature can effectively suppress thermal NOxGeneration, and the smoke eliminator of fluidized suspension device afterbody reduce further NO in flue gasx、SO2Etc. discharge poisonous, harmful gas, it is to avoid secondary pollution problem.Compared with existing industrial organic wastes processing method, this method has feature lower in cost, that treatment effect better, operation is easier, and industrial organic wastes can be carried out energy clean utilization, industrial organic wastes is turned waste into wealth, thus efficiently solving problem of environmental pollution.
Accompanying drawing explanation
A kind of industrial organic wastes that Fig. 1 is the embodiment of the present invention 1 or embodiment 2 processes and reuse method process route chart.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention being elaborated, the present embodiment is carried out under premised on technical solution of the present invention, gives detailed embodiment and concrete operating process, but scope is not limited to following embodiment.
Embodiment 1:
As it is shown in figure 1, arrow 100,200,300,400 specifies the direct of travel of air, industrial organic wastes and water-coal-slurry, fuel combination bulky grain group and the bed taken out of by flue gas and flue gas respectively.A kind of industrial organic wastes processes and reuse method, comprises the steps:
The first step, is mixed to form bed by quartz sand and limestone, and mixed proportion is determined according to the sulfur content in industrial organic wastes, and making calcium to sulphur mole ratio is 2～4.
Second step, sends the bed formed in the first step into fluidization-suspension combustion device, and air enters fluidization-suspension combustion device 3 through bellows 1, air distribution plate 2 simultaneously, regulates air output and makes bed be in fluidized state.
3rd step, utilizes external heat source that this bed is heated, and makes the temperature of fluidization-suspension combustion device 3 reach 500 DEG C.
4th step, industrial organic wastes is respectively fed to fluidization-suspension combustion device 3 with water-coal-slurry by material inlet 4, form caloric value and be not less than the fuel combination of 2400kcal/kg, and carry out fluidization-suspension combustion, the temperature making fluidization-suspension combustion device 3 reaches 850～1000 DEG C, and produce flue gas, cut off external heat source afterwards.
5th step, passes to, through flue gas, the heating surface being arranged in described fluidization-suspension combustion device 3 by the heat produced in the 4th step, makes working-medium water become hot water or steam；Flue gas after cooling enters air after smoke eliminator 6 processes；Unburned fuel combination bulky grain completely group and the bed taken out of by flue gas enter horizontal separation burning device 5 simultaneously, the bed that bulky grain is rolled into a ball and taken out of by flue gas under centrifugal force and action of gravity is separated, catch and return fluidization-suspension combustion device 3, realize the circulating combustion of fuel combination, and decrease the loss of bed.
A kind of industrial organic wastes that the present embodiment provides processes and in reuse method, industrial organic wastes and water-coal-slurry are mixed to form fuel combination in fluidization-suspension combustion device 3, working-medium water is become hot water or steam by the heat produced after burning, achieve the recovery energy of solid waste, limestone at high temperature (850～1000 DEG C) calcining simultaneously comprised in bed generates CaO, with the SO in flue gas2Reaction generates CaSO4, reduce SO2Discharge, and this running temperature can effectively suppress thermal NOxGeneration.And the smoke eliminator 6 of fluidized suspension device 3 afterbody reduce further NO in flue gasx、SO2Etc. discharge poisonous, harmful gas, it is to avoid secondary pollution problem.It addition, unburned fuel combination bulky grain completely group and the bed taken out of by flue gas can return fluidization-suspension combustion device 3 by horizontal separation burning device 5, it is achieved that the circulating combustion of fuel combination, it is to avoid the loss of fuel combination and bed.Compared with existing industrial organic wastes processing method, the method of the present embodiment has feature lower in cost, that treatment effect is better, easy and simple to handle, and industrial organic wastes can be carried out energy clean utilization, industrial organic wastes is turned waste into wealth, thus efficiently solving problem of environmental pollution.
Embodiment 2:
As it is shown in figure 1, arrow 100,200,300,400 specifies the direct of travel of air, industrial organic wastes and water-coal-slurry, fuel combination bulky grain group and the bed taken out of by flue gas and flue gas respectively.A kind of industrial organic wastes processes and reuse method, comprises the steps:
The first step, is mixed to form bed by quartz sand and limestone, and mixed proportion is determined according to the sulfur content in industrial organic wastes, and making calcium to sulphur mole ratio is 2～4.
Second step, sends the bed formed in the first step into fluidization-suspension combustion device, and air enters fluidization-suspension combustion device 3 through bellows 1, air distribution plate 2 simultaneously, regulates air output and makes bed be in fluidized state.
3rd step, utilizes external heat source that this bed is heated, and makes the temperature of fluidization-suspension combustion device 3 reach 500 DEG C.
4th step, in advance industrial organic wastes and water-coal-slurry are mixed in proportion formation pulpous state fuel combination, its caloric value is made to be not less than 2400kcal/kg, this pulpous state fuel combination is entered fluidization-suspension combustion device 3 by material inlet 4, carry out fluidization-suspension combustion, the temperature making fluidization-suspension combustion device 3 reaches 850～1000 DEG C, and produces flue gas, cuts off external heat source afterwards.
5th step, passes to, through flue gas, the heating surface being arranged in described fluidization-suspension combustion device 3 by the heat produced in the 4th step, makes working-medium water become hot water or steam；Flue gas after cooling enters air after smoke eliminator 6 processes, unburned fuel combination bulky grain completely group and the bed taken out of by flue gas enter horizontal separation burning device 5 simultaneously, the bed that bulky grain is rolled into a ball and taken out of by flue gas under centrifugal force and action of gravity is separated, catch and return fluidization-suspension combustion device 3, realize the circulating combustion of fuel combination, and decrease the loss of bed.
A kind of industrial organic wastes that the present embodiment provides processes and in reuse method, in advance industrial organic wastes and water-coal-slurry are mixed to form pulpous state fuel combination, working-medium water is become hot water or steam by the heat produced after burning in fluidization-suspension combustion device 3, achieve the recovery energy of solid waste, limestone at high temperature (850～1000 DEG C) calcining simultaneously comprised in bed generates CaO, with the SO in flue gas2Reaction generates CaSO4, reduce SO2Discharge, and this running temperature can effectively suppress thermal NOxGeneration.And the smoke eliminator 6 of fluidized suspension device 3 afterbody reduce further NO in flue gasx、SO2Etc. discharge poisonous, harmful gas, it is to avoid secondary pollution problem.It addition, unburned fuel combination bulky grain completely group and the bed taken out of by flue gas can return fluidization-suspension combustion device 3 by horizontal separation burning device 5, it is achieved that the circulating combustion of fuel combination, it is to avoid the loss of fuel combination and bed.Compared with existing industrial organic wastes processing method, the method of the present embodiment has feature lower in cost, that treatment effect is better, easy and simple to handle, and industrial organic wastes can be carried out energy clean utilization, industrial organic wastes is turned waste into wealth, thus efficiently solving problem of environmental pollution.
The preferred embodiment of the present invention described in detail above.Should be appreciated that the ordinary skill of this area just can make many modifications and variations according to the design of the present invention without creative work.Therefore, all technical staff in the art, all should in the protection domain being defined in the patent claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (6)
1. an industrial organic wastes processes and reuse method, it is characterised in that comprise the steps:
The first step, prepares bed；
Second step, sends described bed into fluidization-suspension combustion device, and air enters described fluidization-suspension combustion device through bellows, air distribution plate simultaneously, regulates air output and makes described bed be in fluidized state；
3rd step, utilizes external heat source that described bed is heated, and makes the temperature of described fluidization-suspension combustion device reach the first temperature；
4th step, industrial organic wastes and water-coal-slurry are sent into described fluidization-suspension combustion device, and carry out fluidization-suspension combustion, the temperature making described fluidization-suspension combustion device reaches the second temperature, cut off external heat source afterwards, wherein said industrial organic wastes and described water-coal-slurry respectively enter described fluidization-suspension combustion device, form fuel combination, make the caloric value of described fuel combination be not less than 2400kcal/kg in described fluidization-suspension combustion device；
5th step, the heat produced in described 4th step passes to, through flue gas, the heating surface being arranged in described fluidization-suspension combustion device, makes working-medium water become hot water or steam；Air is entered after the purified process of flue gas after cooling；
Wherein, outlet at described fluidization-suspension combustion device is provided with horizontal separation burning device, bulky grain group and the described bed taken out of by flue gas of unburned described fuel combination completely enter described horizontal separation burning device, the described bed that described bulky grain is rolled into a ball and taken out of by flue gas under centrifugal force and action of gravity is separated, catch and return described fluidization-suspension combustion device, the minimizing of circulating combustion and bed loss to realize described fuel combination.
2. a kind of industrial organic wastes as claimed in claim 1 processes and reuse method, it is characterized in that, described bed adopts quartz sand and limestone to mix, and mixed proportion is determined according to the sulfur content in described industrial organic wastes, and making calcium to sulphur mole ratio is 2～4.
3. a kind of industrial organic wastes as claimed in claim 1 processes and reuse method, it is characterised in that described first temperature is 500 DEG C.
4. a kind of industrial organic wastes as claimed in claim 1 processes and reuse method, it is characterised in that described second temperature is 850～1000 DEG C.
5. a kind of industrial organic wastes as claimed in claim 1 processes and reuse method, it is characterised in that the outlet at described fluidization-suspension combustion device is provided with smoke eliminator, makes described flue gas enter air after described smoke eliminator processes.
6. a kind of industrial organic wastes as claimed in claim 1 processes and reuse method, it is characterised in that described industrial organic wastes is printing and dyeing sludge, paper mill sludge or medicinal residues.
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| CN103912880B true CN103912880B (en) | 2016-07-13 |
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| CN113847596A (en) * | 2021-10-29 | 2021-12-28 | 满洲里达赉湖热电有限公司 | Mixed fuel fluidized combustion method and device |
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| US3417978A (en) * | 1965-09-17 | 1968-12-24 | Ube Industries | Method and apparatus for the gasification and combustion of liquid fuel in a fluidized bed |
| JPH10323553A (en) * | 1997-05-23 | 1998-12-08 | Nippon Oil Co Ltd | Perforated plate type fluidized layer gas dispersion device |
| CN101265008A (en) * | 2008-04-22 | 2008-09-17 | 东南大学 | Sludge drying burning combination treatment method |
| CN201521949U (en) * | 2009-10-28 | 2010-07-07 | 曹连新 | Low-rate top exhaust high-temperature cyclone separation circulating fluidized bed boiler |
| CN101818073A (en) * | 2010-05-21 | 2010-09-01 | 上海交通大学 | Dry distillation and semicoke incineration integrated system for oil shale |
| CN202392779U (en) * | 2011-12-23 | 2012-08-22 | 青岛特利尔环保锅炉工程有限公司 | Water-coal-slurry suspension fluidization combustion boiler for processing industrial sludge |
| CN103528054A (en) * | 2013-10-14 | 2014-01-22 | 上海交通大学 | Municipal sludge-coal water slurry co-fired organic working medium boiler |
-
2014
- 2014-04-08 CN CN201410138526.6A patent/CN103912880B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3417978A (en) * | 1965-09-17 | 1968-12-24 | Ube Industries | Method and apparatus for the gasification and combustion of liquid fuel in a fluidized bed |
| JPH10323553A (en) * | 1997-05-23 | 1998-12-08 | Nippon Oil Co Ltd | Perforated plate type fluidized layer gas dispersion device |
| CN101265008A (en) * | 2008-04-22 | 2008-09-17 | 东南大学 | Sludge drying burning combination treatment method |
| CN201521949U (en) * | 2009-10-28 | 2010-07-07 | 曹连新 | Low-rate top exhaust high-temperature cyclone separation circulating fluidized bed boiler |
| CN101818073A (en) * | 2010-05-21 | 2010-09-01 | 上海交通大学 | Dry distillation and semicoke incineration integrated system for oil shale |
| CN202392779U (en) * | 2011-12-23 | 2012-08-22 | 青岛特利尔环保锅炉工程有限公司 | Water-coal-slurry suspension fluidization combustion boiler for processing industrial sludge |
| CN103528054A (en) * | 2013-10-14 | 2014-01-22 | 上海交通大学 | Municipal sludge-coal water slurry co-fired organic working medium boiler |
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