CN106016254A - Coal slime feeding system of circulating fluidized bed and circulating fluidized bed boiler - Google Patents
Coal slime feeding system of circulating fluidized bed and circulating fluidized bed boiler Download PDFInfo
- Publication number
- CN106016254A CN106016254A CN201610313129.7A CN201610313129A CN106016254A CN 106016254 A CN106016254 A CN 106016254A CN 201610313129 A CN201610313129 A CN 201610313129A CN 106016254 A CN106016254 A CN 106016254A
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- China
- Prior art keywords
- coal slime
- burner hearth
- fluidized bed
- coal
- feeding system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/01—Fluidised bed combustion apparatus in a fluidised bed of catalytic particles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C10/00—Fluidised bed combustion apparatus
- F23C10/18—Details; Accessories
- F23C10/22—Fuel feeders specially adapted for fluidised bed combustion apparatus
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2206/00—Fluidised bed combustion
- F23C2206/10—Circulating fluidised bed
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a coal slime feeding system of a circulating fluidized bed and a circulating fluidized bed boiler. The coal slime feeding system of the circulating fluidized bed comprises a furnace hearth (1), a refeed tube (2) and a coal slime inlet tube (3), wherein the refeed tube (2) is arranged on the side wall of the furnace hearth (1) and used for refeeding recycled grains into the furnace hearth (1), and the coal slime inlet tube (3) is arranged on the side wall of the furnace hearth (1) and used for feeding coal slime into the furnace hearth (1). The coal slime inlet tube (3) is arranged adjacent to and located above the refeed tube (2). The end, connected with the side wall of the furnace hearth (1), of the coal slime inlet tube (3) inclines downwards. According to the coal slime feeding system of the circulating fluidized bed and the circulating fluidized bed boiler, the upper portion of the furnace hearth is provided with descending grain boundary layer flow, the lower portion of the furnace hearth is provided with high-concentration and high-temperature grains circulated from the refeed tube, the two streams of high-temperature grain flow impact the coal slime which is newly fed into the furnace hearth, the coal slime which is newly fed into the furnace hearth is heated up fast, the heating time for the coal slime is shortened, and therefore the combustion time of the coal slime is prolonged, and the combustion efficiency of the coal slime is improved.
Description
Technical field
The present invention relates to Combustion technology of circulating fluidized field, in particular it relates to a kind of recirculating fluidized bed coal
Mud feeding system and CFBB.
Background technology
Coal slime is the by-product of coal washing process, and it is big that it has moisture, and ash is high, and granule is thin and stickiness is high
Feature.Effectively utilizing technology owing to lacking, coal slime is deposited in fixed location, there is the biggest ring
Border hidden danger.Such as, water resource can be polluted by the current mistake of coal slime chance；And after air-drying, can produce again
Airborne dust, causes atmospheric pollution.Additionally, coal slime typically has 2500 kilocalories～the heat of 5500 kilocalories, very
To exceeding some low thermal mass thermal coals, arbitrarily stacking of coal slime causes great energy waste.Therefore,
Environmentally safe and coal the efficiently utilization of development and utilization processing relevant technology to coal slime has ten
Divide important meaning.
Due to moisture and the ash of high-load, and relatively low caloric value, coal slime is not suitable for tradition coal dust
Stove burns.In order to high-volume and realize the comprehensive utilization to coal slime expeditiously, coal slime is widely used in
CFBC generates electricity.Coal slime is heated to lump in fluid bed and is deposited, and destroys fluidization quality, from
And cause combustion instability.In order to control the stable burning of fluid bed, prior art exists multiple coal slime
Feed-type in recirculating fluidized bed, is broadly divided into following four: (1) top feed；(2) middle part
Feed；(3) material returning valve feed (i.e. refeed line feed)；(4) emulsion zone atomization feed.Wherein, by
It is short in charging aperture coal slime time of staying in burner hearth under furnace outlet, top feed-type,
Efficiency of combustion is low.And when using middle part feed, its feeding system simple in construction, failure rate of machinery is high, and
And the efficiency of combustion of coal slime is relatively low.The feeding mouth of coal slime is moved toward bottom, coal slime in burner hearth once
Increased resident time, therefore the efficiency of combustion under material returning valve feed and emulsion zone atomization feed two ways is
High.For material returning valve feed-type, when boiler is in startup or low load stage, due to circulating ash
Measuring less, circulating ash is not enough to the carrying capacity of coal slime, causes coal slime to bond in material returning valve so that coal
Mud cannot feed under boiler at low load, is also not suitable for vast scale and mixes burning.Feed side is atomized for emulsion zone
Formula, atomization wind causes coal slime granule to wash away gun slot, spray gun causes serious abrasion, and shadow
Ring the service life of spray gun.
Because the disadvantages mentioned above of prior art, it is desirable to provide a kind of novel recirculating fluidized bed coal slime feed
System.
Summary of the invention
It is an object of the invention to provide that a kind of coal combustion efficiency is high and that combustion adaptive is wide is ciculation fluidized
Bed coal slime feeding system.
To achieve these goals, the present invention provides a kind of recirculating fluidized bed coal slime feeding system, this circulation
On the sidewall that fluid bed coal slime feeding system includes burner hearth, be arranged at described burner hearth and for by reclaim
The refeed line that is fed again in described burner hearth of grain and being arranged on the sidewall of described burner hearth and for by coal slime
Sending into the coal slurry inlet pipe in described burner hearth, described coal slurry inlet pipe arranges adjacent to described refeed line and is positioned at
The top of described refeed line, one end that the sidewall with described burner hearth of described coal slurry inlet pipe is connected dips down
Tiltedly.
Preferably, described burner hearth is tower body shape.
Preferably, the axis of described coal slurry inlet pipe is coplanar with the central axis of described burner hearth.
Preferably, the angle between bearing of trend and the axis direction of described burner hearth of described coal slurry inlet pipe
For a, and 30 °≤a≤60 °.
Preferably, the bearing of trend of described coal slurry inlet pipe is parallel with the bearing of trend of described refeed line.
Preferably, one end that the sidewall with described burner hearth of described coal slurry inlet pipe is connected and described refeed line
One end of being connected of the sidewall with described burner hearth on the same bus of described burner hearth.
Preferably, one end that the sidewall with described burner hearth of described coal slurry inlet pipe is connected is to described refeed line
One end of being connected of the sidewall with described burner hearth between distance be H, and 0.5m≤H≤1m.
Preferably, at the coal slurry inlet in the operating pressure in described coal slurry inlet pipe is more than described burner hearth
Operating pressure.
Preferably, the operating pressure at the coal slurry inlet in described burner hearth is 6KPa～8KPa.
The present invention also provides for a kind of CFBB, and it includes above-mentioned recirculating fluidized bed coal slime feed
System.
In technique scheme, coal slurry inlet pipe arranges adjacent to refeed line and is positioned at the top of refeed line, due to
The position of coal slurry inlet pipe is low, and a coal slime time of staying in burner hearth is long.Further, due on burner hearth
There is the granule boundary laminar flow of decline in portion, refeed line the high temperature being recycled to burner hearth of high concentration is arranged at bottom
Grain, the coal slime newly entering burner hearth is impacted by two strands of high-temperature particle streams so that the coal slime of newly entering burner hearth is fast
Speed heats up, and shortens the heat time heating time of coal slime, so that burning time extends, promotes the efficiency of combustion of coal slime.
The impact of granule stream strengthens and enters the ability that the coal slime of burner hearth spreads to burner hearth one way or another, and coal slime exists
It is evenly distributed on the cross section of burner hearth, it is to avoid the phenomenon that partial combustion is insufficient.Coal slurry inlet pipe with return
Material pipe is provided separately, the circulating ash not enough the asking of carrying capacity to coal slime when circulating ash quantity can be avoided less
Topic, therefore the pan feeding of the recirculating fluidized bed coal slime feeding system of the present invention is not by the shadow of operating condition load
Ring, there is good combustion adaptive.Additionally, this recirculating fluidized bed coal slime feeding system is directly at stove
The sidewall upper shed of thorax, it is not necessary to additionally arrange the devices such as spray gun, can avoid granule stream to stretching into burner hearth
Spray gun etc. cause abrasion so that this recirculating fluidized bed coal slime feeding system has relatively low machinery mill
Damage.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, with
Detailed description below is used for explaining the present invention together, but is not intended that limitation of the present invention.?
In accompanying drawing:
Fig. 1 is the structural representation of the recirculating fluidized bed coal slime feeding system of the present invention.
Wherein,
1 burner hearth 2 refeed line
3 coal slurry inlet pipe 4 connecting tubes
A First air B secondary wind
C fluidized wind D loosens wind
Detailed description of the invention
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is described in detail.It should be appreciated that
Detailed description of the invention described herein is merely to illustrate and explains the present invention, is not limited to this
Bright.
The present invention provides a kind of recirculating fluidized bed coal slime feeding system, as it is shown in figure 1, it include burner hearth 1,
It is arranged on the sidewall of burner hearth 1 and for refeed line 2 He that the granule of recovery is fed again in burner hearth 1
It is arranged on the sidewall of burner hearth 1 and for the coal slurry inlet pipe 3 coal slime being sent in burner hearth 1, coal slime enters
Mouthful pipe 3 arranges adjacent to refeed line 2 and is positioned at the top of refeed line 2, coal slurry inlet pipe 3 with burner hearth 1
Sidewall connect one end downward-sloping.Wherein, coal slurry inlet pipe 3 arranges adjacent to refeed line 2 and is positioned at
The top of refeed line 2, owing to the position of coal slurry inlet pipe 3 is low, the coal slime once stop in burner hearth 1
Time is long.Further, owing to the granule boundary laminar flow of decline is arranged at burner hearth 1 top, bottom have high concentration by
Refeed line 2 is recycled to the high-temperature particle of burner hearth 1, and the coal slime newly entering burner hearth 1 is entered by two strands of high-temperature particle streams
Row impact so that the coal slime of newly entering burner hearth 1 is brought rapidly up, shortens the heat time heating time of coal slime, so that
Burning time extends, and promotes the efficiency of combustion of coal slime.The impact of granule stream strengthens the coal entering burner hearth 1
The ability that mud spreads to burner hearth one way or another, coal slime is evenly distributed on the cross section of burner hearth 1, it is to avoid
The phenomenon that partial combustion is insufficient.Coal slurry inlet pipe 3 is provided separately with refeed line 2, can avoid following
The circulating ash problem to the carrying capacity deficiency of coal slime when ring ash quantity is less, therefore the present invention's is ciculation fluidized
The pan feeding of bed coal slime feeding system is not affected by operating condition load, has good combustion adaptive.
Additionally, this recirculating fluidized bed coal slime feeding system is directly in the sidewall upper shed of burner hearth 1, it is not necessary to volume
Outer the devices such as spray gun are set, can avoid granule stream that the spray gun etc. stretching into burner hearth 1 is caused abrasion so that
This recirculating fluidized bed coal slime feeding system has relatively low mechanical wear.
Wherein, in a preferred embodiment, burner hearth 1 is in tower body shape, and as it is shown in figure 1, in figure
Black particle is bed material, and white particle is coal slime, has the First air A being delivered up in the bottom of burner hearth 1
With secondary wind B carried towards refeed line 2 and coal slurry inlet pipe 3 such that it is able in agitation burner hearth 1
Bed material and coal slime, enable the bed material bottom burner hearth 1 and coal slime to be sufficiently mixed and to spread.Meanwhile, returning charge
The free end of pipe 2 (away from one end of sidewall of burner hearth 1) connects connecting tube 4, connecting tube 4 and rotation
The discharge gate of wind separator (not shown) connects, and the flue gas in burner hearth 1 enters whirlwind through fume emission mouth
After separating in separator, the granule separated can enter through connecting tube 4 and refeed line 2 the most successively
Again burn in entering burner hearth 1, with the efficiency of combustion by promoting coal slime.It addition, it is defeated in connecting tube 4
The fluidized wind C sent and loosening wind D also is able to promote the stream entering granule in burner hearth 1 from refeed line 2
Dynamic speed, the coal slime newly entering burner hearth 1 is impacted by high-temperature particle stream so that the coal of newly entering burner hearth 1
Mud is brought rapidly up, and shortens the heat time heating time of coal slime, so that burning time extends, promotes the burning of coal slime
Efficiency.
Further, the axis of coal slurry inlet pipe 3 is coplanar with the central axis of burner hearth 1.Wherein, coal slime
The axis of inlet tube 3 is exactly the line of all cross section centres of form on the bearing of trend of coal slurry inlet pipe 3.By
Bearing of trend in coal slurry inlet pipe 3 is the center towards burner hearth 1, enters burner hearth from coal slurry inlet pipe 3
Coal slime in 1 can be in First air A, secondary wind B, the granule boundary laminar flow of decline and high concentration
It is recycled to by refeed line 2 under the high-temperature particle stream effect of burner hearth 1 and the most sufficiently spreads, so that coal
The maximizing combustion efficiency of mud.
And as it is shown in figure 1, folder between the axis direction of the bearing of trend of coal slurry inlet pipe 3 and burner hearth 1
Angle is a, and angle a can not be too small or excessive.When angle a is too small, enter the coal slime of burner hearth 1
Lacking lateral velocity, the ability diffusing to whole section of burner hearth is low so that coal slime is in the distribution of section of burner hearth
Uneven, cause partial combustion insufficient.But, if angle a is excessive, coal slurry stream lacks downward dividing
Speed, major part coal slime granule is transported to away from refeed line 2, so that by refeed line 2 foldback
Granule reduces with the collision opportunity of the coal slime granule of newly entering burner hearth 1, causes the heating rate of coal slime granule
Reduce.As one preferred embodiment, the size of angle a should meet 30 °≤a≤60 °.
It addition, the bearing of trend of the bearing of trend of coal slurry inlet pipe 3 and refeed line 2 is preferably parallel to each other,
Thus ensure can fully be collided with the coal slime granule of newly entering burner hearth 1 by the granule of refeed line 2 foldback,
To promote the heating rate of coal slime granule.Further, the sidewall with burner hearth 1 of coal slurry inlet pipe 3 is connected
One end that one end is connected with the sidewall with burner hearth 1 of refeed line 2 is on the same bus of burner hearth 1.Its
In, bus rotates a circle around specific axis and can form solid geometry figure, and the bus of burner hearth 1
Also it is such, and the bus of burner hearth 1 specifically refers on the sidewall of burner hearth 1 vertically extending
And can be coplanar with the central axis of burner hearth 1 line.Allow the sidewall with burner hearth 1 of coal slurry inlet pipe 3
One end that the one end connected is connected with the sidewall with burner hearth 1 of refeed line 2 is at the same bus of burner hearth 1
On, thus ensure that equally the granule by refeed line 2 foldback and newly entering burner hearth 1 coal slime granule it
Between abundant collision, to promote the heating rate of coal slime granule.
Further, as it is shown in figure 1, one end that the sidewall with burner hearth 1 of coal slurry inlet pipe 3 is connected is arrived
Distance between one end that the sidewall with burner hearth 1 of refeed line 2 is connected is H, and distance H can not be excessive
Or it is too small.When distance H is excessive, then lack the impact of bottom granule stream upwards, enter burner hearth 1
Coal slime can adherent flow downward, it is difficult to diffuse to the lateral cross section of whole burner hearth 1, the dilute phase of burner hearth 1
District's gas flowing is uneven along cross-sectional distribution, and the gas flow rate of wall area is less than the gas speed at bed center
Degree, the mud coal excessive concentration of wall area, and cause near wall oxygen debt, the burning making coal slime is insufficient.
But, when distance H is too small, coal slime is possibly into emulsion zone, and coal slime is lumpd, downwards after entering burner hearth
Deposition.When coal slime block is in emulsion zone, coal slime block may deposition to First air A and secondary wind B
At blast cap thus block blast cap so that burner hearth fluidisation uneven.As one preferred embodiment, away from
0.5m≤H≤1m should be met from H.
It addition, coal slime is delivered to burner hearth 1 by compression pump, it is necessary to assure the work in coal slurry inlet pipe 3
Pressure is more than the operating pressure of (coal slime enters position at burner hearth) at the coal slurry inlet in burner hearth 1, or
Say it is to must assure that the operating pressure that compression pump outlet pressure is more than at the coal slurry inlet in burner hearth 1, with resistance
Only the gas in burner hearth 1 and granule enter Slurry Pipeline Conveying System, the feed of such guarantee coal slime
Smooth and easy.If the gas in burner hearth 1 and granule enter coal slime conveyance conduit, the normal conveying of coal slime can be hindered,
And the fluidizing stability of burner hearth 1 is impacted.Wherein, the work pressure at the coal slurry inlet in burner hearth 1
Power is 6KPa～8KPa, therefore it is required that the outlet pressure of compression pump is less times greater than this value, and the going out of compression pump
Mouth pressure is more how many greatly than the pressure at the coal slurry inlet in burner hearth 1 on earth, then depend on compression pump outlet with
The layout connecting pipeline between coal slurry inlet.
In a word, by reasonably design coal slurry inlet pipe 3, can guarantee that coal slime have higher efficiency of combustion,
The feed of coal slime is not controlled by circulating load, and avoids the abrasion of the projecting parts such as nozzle so that circulation
Fluid bed coal slime feeding system can reliablely and stablely work.
It addition, the present invention also provides for a kind of CFBB, it includes above-mentioned recirculating fluidized bed coal
Mud feeding system, cyclone separator, back-end ductwork and the selective catalysis that is arranged in back-end ductwork are also
Original system, superheater, reheater, economizer and air preheater etc..Entered by reasonably design coal slime
Mouthful pipe 3, can guarantee that in CFBB coal slime have higher efficiency of combustion and make coal slime to
Material is not controlled by circulating load.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing, but, the present invention does not limit
Detail in above-mentioned embodiment, in the technology concept of the present invention, can be to the present invention
Technical scheme carry out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that each the concrete technology described in above-mentioned detailed description of the invention is special
Levy, in the case of reconcilable, can be combined by any suitable means.In order to avoid need not
The repetition wanted, various possible compound modes are illustrated by the present invention the most separately.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as its
Without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (10)
1. recirculating fluidized bed coal slime feeding system, it is characterised in that described recirculating fluidized bed coal slime feed
System includes burner hearth (1), be arranged on the sidewall of described burner hearth (1) and for the granule that will reclaim again
Refeed line (2) in the described burner hearth of secondary feeding (1) and be arranged on the sidewall of described burner hearth (1) and
Coal slurry inlet pipe (3) in coal slime is sent into described burner hearth (1), described coal slurry inlet pipe (3)
Neighbouring described refeed line (2) arranges and is positioned at the top of described refeed line (2), described coal slurry inlet pipe
(3) one end that the sidewall with described burner hearth (1) is connected is downward-sloping.
Recirculating fluidized bed coal slime feeding system the most according to claim 1, it is characterised in that institute
State burner hearth (1) in tower body shape.
Recirculating fluidized bed coal slime feeding system the most according to claim 2, it is characterised in that institute
The axis stating coal slurry inlet pipe (3) is coplanar with the central axis of described burner hearth (1).
Recirculating fluidized bed coal slime feeding system the most according to claim 3, it is characterised in that institute
Stating the angle between the bearing of trend of coal slurry inlet pipe (3) and the axis direction of described burner hearth (1) is a,
And 30 °≤a≤60 °.
Recirculating fluidized bed coal slime feeding system the most according to claim 2, it is characterised in that institute
The bearing of trend stating coal slurry inlet pipe (3) is parallel with the bearing of trend of described refeed line (2).
Recirculating fluidized bed coal slime feeding system the most according to claim 5, it is characterised in that institute
State one end and described refeed line (2) that the sidewall with described burner hearth (1) of coal slurry inlet pipe (3) is connected
One end of being connected of the sidewall with described burner hearth (1) on the same bus of described burner hearth (1).
Recirculating fluidized bed coal slime feeding system the most according to claim 6, it is characterised in that institute
State one end that the sidewall with described burner hearth (1) of coal slurry inlet pipe (3) is connected to described refeed line (2)
One end of being connected of the sidewall with described burner hearth (1) between distance be H, and 0.5m≤H≤1m.
Recirculating fluidized bed coal slime feeding system the most according to claim 1, it is characterised in that institute
State the operating pressure in coal slurry inlet pipe (3) more than the work at the coal slurry inlet in described burner hearth (1)
Pressure.
Recirculating fluidized bed coal slime feeding system the most according to claim 8, it is characterised in that institute
Stating the operating pressure at the coal slurry inlet in burner hearth (1) is 6KPa～8KPa.
10. CFBB, it is characterised in that this CFBB includes wanting according to right
Seek the recirculating fluidized bed coal slime feeding system according to any one of 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313129.7A CN106016254B (en) | 2016-05-12 | 2016-05-12 | Recirculating fluidized bed coal slime feeding system and circulating fluidized bed boiler |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610313129.7A CN106016254B (en) | 2016-05-12 | 2016-05-12 | Recirculating fluidized bed coal slime feeding system and circulating fluidized bed boiler |
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| CN106016254A true CN106016254A (en) | 2016-10-12 |
| CN106016254B CN106016254B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610313129.7A Active CN106016254B (en) | 2016-05-12 | 2016-05-12 | Recirculating fluidized bed coal slime feeding system and circulating fluidized bed boiler |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000221A (en) * | 2018-07-16 | 2018-12-14 | 大连亿斯德制冷设备有限公司 | A kind of coal slime processing method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005300077A (en) * | 2004-04-14 | 2005-10-27 | Mitsubishi Heavy Ind Ltd | Circulating fluidized bed furnace |
| CN101387404A (en) * | 2008-10-29 | 2009-03-18 | 中国科学院工程热物理研究所 | Wet sludge drying, incinerating and treating device |
| CN201697119U (en) * | 2010-07-07 | 2011-01-05 | 樊起国 | Feeding device for adding coal slurry for burning of fluidized bed boiler |
| CN202955686U (en) * | 2012-11-11 | 2013-05-29 | 山东诚信达锅炉技术有限公司 | Circulating fluidized bed boiler |
| CN205592940U (en) * | 2016-05-12 | 2016-09-21 | 中国神华能源股份有限公司 | Circulating fluidized bed coal slime feed system and circulating fluidized bed boiler |
-
2016
- 2016-05-12 CN CN201610313129.7A patent/CN106016254B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005300077A (en) * | 2004-04-14 | 2005-10-27 | Mitsubishi Heavy Ind Ltd | Circulating fluidized bed furnace |
| CN101387404A (en) * | 2008-10-29 | 2009-03-18 | 中国科学院工程热物理研究所 | Wet sludge drying, incinerating and treating device |
| CN201697119U (en) * | 2010-07-07 | 2011-01-05 | 樊起国 | Feeding device for adding coal slurry for burning of fluidized bed boiler |
| CN202955686U (en) * | 2012-11-11 | 2013-05-29 | 山东诚信达锅炉技术有限公司 | Circulating fluidized bed boiler |
| CN205592940U (en) * | 2016-05-12 | 2016-09-21 | 中国神华能源股份有限公司 | Circulating fluidized bed coal slime feed system and circulating fluidized bed boiler |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000221A (en) * | 2018-07-16 | 2018-12-14 | 大连亿斯德制冷设备有限公司 | A kind of coal slime processing method |
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| Publication number | Publication date |
|---|---|
| CN106016254B (en) | 2018-05-01 |
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