CN102506421A - Circulating fluid bed (CFB) boiler coal supply system for blending combustion of middling coal - Google Patents
Circulating fluid bed (CFB) boiler coal supply system for blending combustion of middling coal Download PDFInfo
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- CN102506421A CN102506421A CN2011103371796A CN201110337179A CN102506421A CN 102506421 A CN102506421 A CN 102506421A CN 2011103371796 A CN2011103371796 A CN 2011103371796A CN 201110337179 A CN201110337179 A CN 201110337179A CN 102506421 A CN102506421 A CN 102506421A
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Abstract
A circulating fluid bed (CFB) boiler coal supply system for blending combustion of middling coal belongs to a boiler coal supply system and comprises a coal supply process and a coal supply device. The coal supply process is that untreated middling coal is supplied into a boiler to achieve blending combustion. The process flow comprises a forklift, a middling coal hopper and lime stone materials, a vibrator feeder, a belt conveyor, a stokehold self-sealing shaftless screw conveyor and a boiler. The shaftless screw conveyor is arranged at the position of a feed port of a hearth of the boiler, the upper end of a feed port of the shaftless screw conveyor is connected with a vertical coal blanking pipe through an expansion joint, the upper end of the vertical coal blanking pipe is connected with an output end of the belt conveyor, the upper end of an input end of the belt conveyor is connected with the vibrator feeder and a lime stone hopper, and the upper end of the vibrator feeder is connected with the middling coal hopper. The CFB boiler coal supply system has the advantages of being simple, convenient in operation, free of coal plugging points, high in delivery efficiency, capable of conveying fault coal of middling coal with high water content, coal slime, slurry and the like, low in energy consumption, capable of reducing production cost and low in energy consumption of equipment.
Description
Technical field
The present invention relates to a kind of boiler coal feeding system, particularly a kind ofly be used for mixing the CFB boiler coal feeding system of washing coal of burning.
Background technology
At present; Traditional CFBB coal supply technology is the belt feeder induction system; Idiographic flow is: coal equipment on the coal yard (bridge is grabbed, bucket wheel machine)
belt conveyor
screening installation
disintegrating machine
belt conveyor
coal bunker
stokehold belt coal-feeding machine (or scraper plate feeder)
coal spout
CFBB, complex technical process.When this coal-supply system was carried coal, the moisture content of the coal of carrying must be below 10%.
Present boiler coal feeding system is strict to the coal water content requirement; Particularly carry moisture content surpass 10% wash middle coal, coal slime, when washing colm such as mixed; The problem of chute blockage, fluffy coal appears in the festival-gathering of conveying such as coal bunker, coal spout adapter ring, is prone to cause boiler coal feeding to interrupt, and influence is operation continuously.
Summary of the invention
The objective of the invention is to provide a kind of CFB boiler coal feeding system of washing coal of burning that is used for mixing; It is strict to the coal water content requirement to solve present boiler coal feeding system; Particularly carry moisture content surpass 10% wash middle coal, coal slime, when washing colm such as mixed; The problem of chute blockage, fluffy coal appears in the festival-gathering of conveying such as coal bunker, coal spout adapter ring, is prone to cause boiler coal feeding to interrupt, and influence is the problem of operation continuously.
The objective of the invention is to realize like this: this coal supply system comprises coal supply technology and coal feeder;
The technology of this coal supply system is directly to send coal in untreated the washing to boiler to realize mixing burning, and technological process is: coal hopper and lime building stones
oscillating feeders
belt conveyors
the self-sealed Shaftless screw conveyors in stokehold
boiler during forklift
is washed; Concrete coal supply technological process is: forklift is a coal equipment in the system; Coal is sent into and is washed middle coal hopper in will washing; Simultaneously the lime building stones are sent into lime building stones feeding system, what coal hopper fell in washing washes middle coal to oscillating feeder, the anterior screen cloth of arranging of oscillating feeder; Screen cloth is with the synchronous vibration of vibrating feed engine housing; Screen out bulk, foreign material in the coal in washing, coal is evenly sowed on the belt of belt conveyor in will washing then, and lime building stones feeding system is sowed the lime building stones on the belt of belt conveyor simultaneously; Belt rise to the stokehold will wash in coal and lime building stones deliver in the coal spout of self-sealed Shaftless screw conveyor, coal and lime building stones pushed into boiler furnace during self-sealed Shaftless screw conveyor will be washed, middle burning of coal is washed in realization.
The coal feeder of this coal supply system comprises: wash middle coal hopper, oscillating feeder, lime building stones feeding system, belt feeder, vertical coal spout, Shaftless screw conveyor, expansion joint and boiler furnace; Feeding mouth place at boiler furnace is equipped with Shaftless screw conveyor; Upper end at the Shaftless screw conveyor charging aperture is connected with vertical coal spout through expansion joint; Be connected with the output of belt feeder in the upper end of vertical coal spout; Upper end at the input of belt feeder is connected with oscillating feeder and lime stone hopper, is connected with in the upper end of oscillating feeder and washes middle coal hopper.
Described lime stone feeding system comprises: auxiliary material discharging opening, auxiliary material conveying pipeline, auxiliary material hopper, auxiliary material feeding mouth, auxiliary material system bearing chamber, auxiliary material system slowdown driver and screw conveyor shaft; In the auxiliary material conveying pipeline screw conveyor shaft is arranged; The two ends of the auxiliary material conveying pipeline that the screw conveyor shaft two ends are connected through bearing; One end of screw conveyor shaft is a power shaft, and this power shaft axially protrudes outside the auxiliary material conveying pipeline; The auxiliary material discharging opening is arranged on the lower wall of auxiliary material conveying pipeline one end, the auxiliary material feeding mouth is arranged on the upper side wall of the auxiliary material conveying pipeline other end; At the outer auxiliary material system bearing chamber and the auxiliary material system slowdown driver of being linked in sequence of auxiliary material feeding mouth one end auxiliary material conveying pipeline, auxiliary material system slowdown driver is connected with the power shaft of screw conveyor shaft.
Described oscillating feeder comprises: vibrating feed engine housing, vibrating motor, screen cloth, spring hanger and suspension ring; The rear end of vibrating feed engine housing is higher than front end; Bottom, rear end at the vibrating feed engine housing is connected with vibrating motor; Front end surface at the vibrating feed engine housing has screen cloth, in the both sides of vibrating feed engine housing suspension ring is arranged, and suspension ring are connected with spring hanger through steel wire rope.
Described Shaftless screw conveyor comprises: drive motors, reductor, bearing chamber, advance material inlet, Shaftless spiral blade, conveying pipeline, drive end front axle and self-seal device; Shaftless spiral blade is positioned at conveying pipeline, and an end of Shaftless spiral blade is welded on the drive end front axle; End at conveying pipeline is connected with bearing chamber, reductor and drive motors in turn, and bearing chamber and reductor connect as one, and the output shaft of reductor is outer to be connected with the interior bearing of bearing chamber; The drive end front axle is connected with the output shaft of reductor, and the other end of conveying pipeline connects self-seal device, and self-seal device one end puts in burner hearth, and the other end connects circumference cooling air and coal spread wind, puts down in the upper surface of conveying pipeline to connect charging aperture.
Described self-seal device comprises: self-seal device circumference cooling air interface, self-seal device coal spread wind interface, self sealss interface disc, coal spread wind passage and cooling air passage; Self-seal device is a tubular; Be double-wall structure; In the double wall tube-shaped structure, be divided into up and down two independently passages, last autonomous channel is the cooling air passage, and following autonomous channel is the coal spread wind passage; The self sealss interface disc is positioned at an end of self-seal device, is connected with self-seal device coal spread wind interface and self-seal device circumference cooling air interface respectively in the top and bottom of the outer wall of self sealss interface disc; Coal spread wind passage and cooling air passage be connected with self-seal device coal spread wind interface respectively and self-seal device circumference cooling air interface communicates.
Beneficial effect; Owing to adopted such scheme; Adopt forklift directly to go up coal, belt feeder conveying of open formula coal-feeding mode; The stokehold sealing is to lean on the self-sealed Shaftless screw conveyor in special stokehold to realize that Shaftless screw conveyor can guarantee the continous-stable coal supply, can stop CFBB flue gas leaking outside from coal-in port effectively again; There is screening plant the upper end of oscillating feeder, to guarantee the coal cinder basically identical of stove coal; There is long coal groove oscillating feeder below, and it has certain coal storage, and too much coal can short time storage in coal bunker.
The coal-supplying amount adjustment is divided into " coarse adjustment " and " fine tuning "; " coarse adjustment " is to come overall control coal-supplying amount through the vibration frequency of adjustment oscillating feeder; " fine tuning " is to adjust the boiler coal feeding amount through the belt speed that adjustment has a belt conveyor of belt conveyer scale, frequency converter, and the interlocking of it and oscillating feeder partly is the coal groove; Self-sealed Shaftless screw conveyor constant speed operation is designed with reversal switch, to satisfy the maintenance needs.
Supporting lime stone feeding system of while and real-time online surveillance.The lime stone feeding system is made up of hopper, weighing type spiral batcher, and the real-time online surveillance is in key link camera head to be installed, and to the central station of floating dock industrial television, the operations staff can understand equipment ruuning situation in real time with signal feedback.
It is strict to the coal water content requirement to have solved present boiler coal feeding system; Particularly carry moisture content surpass 10% wash middle coal, coal slime, when washing colm such as mixed; The problem of chute blockage, fluffy coal appears in the festival-gathering of conveying such as coal bunker, coal spout adapter ring; Be prone to cause boiler coal feeding to interrupt, influence is the problem of operation continuously, has reached the object of the invention.
Advantage: this system is simple, and is easy to operate, do not have the chute blockage point; Transfer efficiency is high, be particularly suitable for carrying moisture content high wash colms such as middle coal, coal slime, mud, fuel tolerance is wider; Energy consumption is low, has improved the utilization rate of Comprehensive Utilization Power Plant resource, has reduced production cost.Equipment energy consumption is low, and can mix the burnt lime stone system in the supporting installation stove, and is stable, and desulfuration efficiency is high.Simultaneously can with the supporting use of existing boiler, as the auxiliary coal supply system of existing boiler, realize that CFBB washes mixing in a large number of colm carbon resources such as middle coal, coal slime and burn comprehensive utilization.
Description of drawings
Fig. 1 washes middle coal feeding system structure chart for CFBB of the present invention.
Fig. 2 is a lime stone feeding system structure chart of the present invention.
Fig. 3 is an oscillating feeder structure chart of the present invention.
Fig. 4 is the plan structure figure of Fig. 3.
Fig. 5 is a Shaftless screw conveyor structure chart of the present invention.
Fig. 6 for the A-A of Fig. 5 to the self-seal device structure chart of analysing and observe.
Among the figure, 1, wash middle coal hopper; 2, oscillating feeder; 3, lime building stones feeding system; 4, belt feeder; 5, vertical coal spout; 6, the self-sealed Shaftless screw conveyor in stokehold; 7, expansion joint; 8, boiler furnace; 1-1, auxiliary material discharging opening; 1-2, auxiliary material conveying pipeline; 1-3, auxiliary material hopper; 1-4, auxiliary material feeding mouth; 1-5, auxiliary material system bearing chamber; 1-6, auxiliary material system slowdown driver; 1-7, screw conveyor shaft, 2-1 vibrating feed engine housing; 2-2, vibrating motor; 2-3, screen cloth; 2-4, spring hanger; 2-5, suspension ring; 3-1, drive motors; 3-2, reductor; 3-3, bearing chamber; 3-4, advance material inlet; 3-5, Shaftless spiral blade; 3-6, self-seal device circumference cooling air interface; 3-7, self-seal device coal spread wind interface; 3-8, conveying pipeline; 3-9, drive end front axle; 3-10, self-seal device; 3-11, self sealss interface disc; 3-12, coal spread wind passage; 3-13, cooling air passage.
The specific embodiment
Embodiment 1: this coal supply system comprises coal supply technology and coal feeder;
The technology of this coal supply system is directly to send coal in untreated the washing to boiler to realize mixing burning, and technological process is: coal hopper and lime building stones
oscillating feeders
belt conveyors
the self-sealed Shaftless screw conveyors in stokehold
boiler during forklift
is washed; Concrete coal supply technological process is: forklift is a coal equipment in the system; Coal is sent into and is washed middle coal hopper in will washing; Simultaneously the lime building stones are sent into lime building stones feeding system, what coal hopper fell in washing washes middle coal to oscillating feeder, the anterior screen cloth of arranging of oscillating feeder; Screen cloth is with the synchronous vibration of vibrating feed engine housing; Screen out bulk, foreign material in the coal in washing, coal is evenly sowed on the belt of belt conveyor in will washing then, and lime building stones feeding system is sowed the lime building stones on the belt of belt conveyor simultaneously; Belt rise to the stokehold will wash in coal and lime building stones deliver in the hopper of self-sealed Shaftless screw conveyor, coal and lime building stones pushed into boiler furnace during self-sealed Shaftless screw conveyor will be washed, middle burning of coal is washed in realization.
The coal feeder of this coal supply system comprises: coal hopper 1, oscillating feeder 2, lime building stones feeding system 3, belt feeder 4, vertical coal spout 5, Shaftless screw conveyor 6, expansion joint 7 and boiler furnace 8 in washing; Feeding mouth place at boiler furnace 8 is equipped with Shaftless screw conveyor 6; Upper end at Shaftless screw conveyor 6 charging apertures is connected with vertical coal spout 5 through expansion joint 7; Be connected with the output of belt feeder 4 in the upper end of vertical coal spout 5; Be connected with oscillating feeder 2 and lime stone hopper 3 in the upper end of the input of belt feeder 4, the upper end of oscillating feeder 2 be connected with wash in coal hopper 1.
Described lime stone feeding system comprises: auxiliary material discharging opening 1-1, auxiliary material conveying pipeline 1-2, auxiliary material hopper 1-3, auxiliary material feeding mouth 1-4, the bearing chamber 1-5 of auxiliary material system, auxiliary material system slowdown driver 1-6, screw conveyor shaft 1-7; In the auxiliary material conveying pipeline 1-2 screw conveyor shaft 1-7 is arranged; The two ends of the auxiliary material conveying pipeline 1-2 that screw conveyor shaft 1-7 two ends are connected through bearing; The end of screw conveyor shaft 1-7 is a power shaft, and this power shaft axially protrudes outside auxiliary material conveying pipeline 1-2; Auxiliary material discharging opening 1-1 is arranged on the lower wall of auxiliary material conveying pipeline 1-2 one end, auxiliary material feeding mouth 1-4 is arranged on the upper side wall of the auxiliary material conveying pipeline 1-2 other end; At outer bearing chamber 1-5 of auxiliary material system and the auxiliary material system slowdown driver 1-6 of being linked in sequence of auxiliary material feeding mouth 1-4 one end auxiliary material conveying pipeline 1-2, auxiliary material system slowdown driver 1-6 is connected with the power shaft of screw conveyor shaft 1-7.
Described oscillating feeder comprises: vibrating feed engine housing 2-1, vibrating motor 2-2, screen cloth 2-3, spring hanger 2-4 and suspension ring 2-5, and the rear end of vibrating feed engine housing 1 is higher than front end, and certain inclination angle is arranged; Bottom, rear end at the vibrating feed engine housing is connected with vibrating motor 2; Rapping thrust is provided, and coal pushes smoothly in guaranteeing to wash, and in the front end surface of vibrating feed engine housing screen cloth 3 is arranged; Cross the bulk in the coal, foreign material in the diafiltration; In the both sides of vibrating feed engine housing suspension ring 2-5 is arranged, suspension ring 2-5 is connected with spring hanger 2-4 through steel wire rope, and spring hanger 4 plays an effect of hanging vibrating feed engine housing 1 and damping.
Described Shaftless screw conveyor 6 comprises: drive motors 3-1, reductor 3-2, bearing chamber 3-3, advance material inlet 3-4, Shaftless spiral blade 3-5, conveying pipeline 3-8, drive end front axle 3-9 and self-seal device 3-10; Shaftless spiral blade 3-5 is positioned at conveying pipeline 3-8, and the end of Shaftless spiral blade 3-5 is welded on the drive end front axle 3-9; End at conveying pipeline 3-8 is connected with bearing chamber 3-3, reductor 3-2 and drive motors 3-1 in turn, and bearing chamber 3-3 and reductor 3-2 connect as one, and the output shaft of reductor 3-2 is outer to be connected with the interior bearing of bearing chamber 3-3; Drive end front axle 3-9 is connected with the output shaft of reductor 3-2; The other end of conveying pipeline 3-8 connects self-seal device 3-10; Self-seal device 3-10 one end puts in burner hearth, and the other end connects circumference cooling air 3-6 and coal spread wind 3-7, puts down in the upper surface of conveying pipeline 3-8 to connect charging aperture 3-4.
Described self-seal device 3-10 comprises: self-seal device circumference cooling air interface 3-6, self-seal device coal spread wind interface 3-7, self sealss interface disc 3-11, coal spread wind passage 3-12 and cooling air passage 3-13; Self-seal device is a tubular; Be double-wall structure; In the double wall tube-shaped structure, be divided into up and down two independently passages, last autonomous channel is the cooling air passage, and following autonomous channel is the coal spread wind passage; Self sealss interface disc 3-11 is positioned at an end of self-seal device, is connected with self-seal device coal spread wind interface 7 and self-seal device circumference cooling air interface 3-6 respectively in the top and bottom of the outer wall of self sealss interface disc; Coal spread wind passage 3-12 and cooling air passage 3-13 be connected with self-seal device coal spread wind interface 3-7 respectively and self-seal device circumference cooling air interface 3-6 communicates.
Claims (6)
1. one kind is used for mixing the coal supply technology of burning the CFB boiler coal feeding system of washing coal; It is characterized in that: this coal supply technology is directly to send coal in untreated the washing to boiler to realize mixing burning, and technological process is: coal hopper and lime building stones
oscillating feeders
belt conveyors
the self-sealed Shaftless screw conveyors in stokehold
boiler during forklift
is washed; Concrete coal supply technological process is: forklift is a coal equipment in the system; Coal is sent into and is washed middle coal hopper in will washing; Simultaneously the lime building stones are sent into lime building stones feeding system, what coal hopper fell in washing washes middle coal to oscillating feeder, the anterior screen cloth of arranging of oscillating feeder; Screen cloth is with the synchronous vibration of vibrating feed engine housing; Screen out bulk, foreign material in the coal in washing, coal is evenly sowed on the belt of belt conveyor in will washing then, and lime building stones feeding system is sowed the lime building stones on the belt of belt conveyor simultaneously; Belt rise to the stokehold will wash in coal and lime building stones deliver in the hopper of self-sealed Shaftless screw conveyor, coal and lime building stones pushed into boiler furnace during self-sealed Shaftless screw conveyor will be washed, middle burning of coal is washed in realization.
2. one kind is used for mixing the coal feeder that burns the CFB boiler coal feeding system of washing coal; It is characterized in that: the coal feeder of this coal supply system comprises: wash middle coal hopper, oscillating feeder, lime building stones feeding system, belt feeder, vertical coal spout, Shaftless screw conveyor, expansion joint and boiler furnace; Feeding mouth place at boiler furnace is equipped with Shaftless screw conveyor; Upper end at the Shaftless screw conveyor charging aperture is connected with vertical coal spout through expansion joint; Be connected with the output of belt feeder in the upper end of vertical coal spout; Upper end at the input of belt feeder is connected with oscillating feeder and lime stone hopper, is connected with in the upper end of oscillating feeder and washes middle coal hopper.
3. according to claim 2ly be used for mixing the coal feeder that burns the CFB boiler coal feeding system of washing coal; It is characterized in that: described lime stone feeding system comprises: auxiliary material discharging opening, auxiliary material conveying pipeline, auxiliary material hopper, auxiliary material feeding mouth, auxiliary material system bearing chamber, auxiliary material system slowdown driver, screw conveyor shaft; In the auxiliary material conveying pipeline screw conveyor shaft is arranged; The two ends of the auxiliary material conveying pipeline that the screw conveyor shaft two ends are connected through bearing; One end of screw conveyor shaft is a power shaft, and this power shaft axially protrudes outside the auxiliary material conveying pipeline; The auxiliary material discharging opening is arranged on the lower wall of auxiliary material conveying pipeline one end, the auxiliary material feeding mouth is arranged on the upper side wall of the auxiliary material conveying pipeline other end; At the outer auxiliary material system bearing chamber and the auxiliary material system slowdown driver of being linked in sequence of auxiliary material feeding mouth one end auxiliary material conveying pipeline, auxiliary material system slowdown driver is connected with the power shaft of screw conveyor shaft.
4. according to claim 2ly be used for mixing the coal feeder that burns the CFB boiler coal feeding system of washing coal; It is characterized in that: described oscillating feeder comprises: vibrating feed engine housing, vibrating motor, screen cloth, spring hanger and suspension ring; The rear end of vibrating feed engine housing is higher than front end; Bottom, rear end at the vibrating feed engine housing is connected with vibrating motor; Front end surface at the vibrating feed engine housing has screen cloth, in the both sides of vibrating feed engine housing suspension ring is arranged, and suspension ring are connected with spring hanger through steel wire rope.
5. according to claim 2ly be used for mixing the coal feeder that burns the CFB boiler coal feeding system of washing coal; It is characterized in that: described Shaftless screw conveyor comprises: drive motors, reductor, bearing chamber, advance material inlet, Shaftless spiral blade, conveying pipeline, drive end front axle and self-seal device; Shaftless spiral blade is positioned at conveying pipeline, and an end of Shaftless spiral blade is welded on the drive end front axle; End at conveying pipeline is connected with bearing chamber, reductor and drive motors in turn, and bearing chamber and reductor connect as one, and the output shaft of reductor is outer to be connected with the interior bearing of bearing chamber; The drive end front axle is connected with the output shaft of reductor, and the other end of conveying pipeline connects self-seal device, and self-seal device one end puts in burner hearth, and the other end connects circumference cooling air and coal spread wind, puts down in the upper surface of conveying pipeline to connect charging aperture.
6. according to claim 5ly be used for mixing the coal feeder that burns the CFB boiler coal feeding system of washing coal; It is characterized in that: described self-seal device comprises: self-seal device circumference cooling air interface, self-seal device coal spread wind interface, self sealss interface disc, coal spread wind passage and cooling air passage; Self-seal device is a tubular; Be double-wall structure; In the double wall tube-shaped structure, be divided into up and down two independently passages, last autonomous channel is the cooling air passage, and following autonomous channel is the coal spread wind passage; The self sealss interface disc is positioned at an end of self-seal device, is connected with self-seal device coal spread wind interface and self-seal device circumference cooling air interface respectively in the top and bottom of the outer wall of self sealss interface disc; Coal spread wind passage and cooling air passage be connected with self-seal device coal spread wind interface respectively and self-seal device circumference cooling air interface communicates.
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CN201110337179.6A CN102506421B (en) | 2011-10-31 | 2011-10-31 | Circulating fluid bed (CFB) boiler coal supply system for blending combustion of middling coal |
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CN201110337179.6A CN102506421B (en) | 2011-10-31 | 2011-10-31 | Circulating fluid bed (CFB) boiler coal supply system for blending combustion of middling coal |
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CN102506421B CN102506421B (en) | 2014-02-05 |
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Cited By (4)
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CN104654342A (en) * | 2015-01-28 | 2015-05-27 | 江苏西铭节能环保科技有限公司 | Coal blending combustion anti-blocking device and coal blending combustion method |
CN105953257A (en) * | 2016-05-12 | 2016-09-21 | 内蒙古京泰发电有限责任公司 | Method of large-proportion coal slime blending combustion of circulating fluidized bedboiler |
CN110375318A (en) * | 2019-08-03 | 2019-10-25 | 新乡市汇能玉源发电有限公司 | A kind of boiler slag removal system |
CN112066368A (en) * | 2020-08-18 | 2020-12-11 | 广州迪森热能技术股份有限公司 | Circulating fluidized bed boiler for blending and burning papermaking sludge |
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CN201331054Y (en) * | 2008-10-15 | 2009-10-21 | 哈尔滨锅炉厂有限责任公司 | Coal feeding sealing device used for circulating fluidized-bed boiler |
CN101734895A (en) * | 2008-11-18 | 2010-06-16 | 福建工程学院 | Process for producing regenerated building waste autoclaved brick |
CN202303358U (en) * | 2011-10-31 | 2012-07-04 | 徐州华美坑口环保热电有限公司 | CFB (Circulating Fluidized Bed) boiler coal feeding system for co-combustion of middling coals |
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JP2008241134A (en) * | 2007-03-27 | 2008-10-09 | Sumitomo Heavy Ind Ltd | Fluid bed-type boiler |
CN201262396Y (en) * | 2008-08-12 | 2009-06-24 | 郑州锅炉有限责任公司 | Coal feeder of circulating fluidized bed boiler |
CN201331054Y (en) * | 2008-10-15 | 2009-10-21 | 哈尔滨锅炉厂有限责任公司 | Coal feeding sealing device used for circulating fluidized-bed boiler |
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CN202303358U (en) * | 2011-10-31 | 2012-07-04 | 徐州华美坑口环保热电有限公司 | CFB (Circulating Fluidized Bed) boiler coal feeding system for co-combustion of middling coals |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
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CN104654342A (en) * | 2015-01-28 | 2015-05-27 | 江苏西铭节能环保科技有限公司 | Coal blending combustion anti-blocking device and coal blending combustion method |
CN105953257A (en) * | 2016-05-12 | 2016-09-21 | 内蒙古京泰发电有限责任公司 | Method of large-proportion coal slime blending combustion of circulating fluidized bedboiler |
CN105953257B (en) * | 2016-05-12 | 2017-11-07 | 内蒙古京泰发电有限责任公司 | CFBB vast scale mixes the method for burning coal slime |
CN110375318A (en) * | 2019-08-03 | 2019-10-25 | 新乡市汇能玉源发电有限公司 | A kind of boiler slag removal system |
CN112066368A (en) * | 2020-08-18 | 2020-12-11 | 广州迪森热能技术股份有限公司 | Circulating fluidized bed boiler for blending and burning papermaking sludge |
CN112066368B (en) * | 2020-08-18 | 2022-06-07 | 广州迪森热能技术股份有限公司 | Circulating fluidized bed boiler for blending and burning papermaking sludge |
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