CN107842850A - A kind of fluidized bed combustor - Google Patents
A kind of fluidized bed combustor Download PDFInfo
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- CN107842850A CN107842850A CN201710897427.XA CN201710897427A CN107842850A CN 107842850 A CN107842850 A CN 107842850A CN 201710897427 A CN201710897427 A CN 201710897427A CN 107842850 A CN107842850 A CN 107842850A
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- Prior art keywords
- building block
- wind
- distributing pipe
- cooling duct
- slag
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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
- F23C10/18—Details; Accessories
- F23C10/20—Inlets for fluidisation air, e.g. grids; Bottoms
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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
- F23C10/18—Details; Accessories
- F23C10/24—Devices for removal of material from the bed
-
- 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
- F23C10/28—Control devices specially adapted for fluidised bed, combustion apparatus
- F23C10/30—Control devices specially adapted for fluidised bed, combustion apparatus for controlling the level of the bed or the amount of material in the bed
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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
- 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)
Abstract
The invention belongs to boiler plant technical field, it is related to a kind of fluidized bed combustor, for fluidized bed garbage combustion and Waste Firing Power Generation Technique occasion, it is difficult to solve deslagging, the cycle of operation is short, three high big technical barriers of CO concentration in flue gas, city environmental pollution can effectively be reduced, extend the service life of burner, its agent structure includes blast cap, wind-distributing pipe, cooling duct, metal hose, ipper air chamber, lower air chamber, movable building block brick, heat-preservation cotton, removable cover plate and burner hearth, blast cap is provided with the top of wind-distributing pipe, hearth outer wall symmetrical expression is provided with ipper air chamber and lower air chamber, pass through metal hose and wind-distributing pipe respectively, cooling duct is connected；Movable building block brick is embedded with burner hearth, its outside is provided with heat-preservation cotton, and heat-preservation cotton is externally provided with removable cover plate；Its overall structure is simple, and principle is reliable, energy-conserving and environment-protective, and long lifespan is easy to operate, saves processing time, has good economic benefit and wide market prospects.
Description
Technical field：
The invention belongs to boiler plant technical field, is related to a kind of fluidized bed combustor, for fluidized bed garbage combustion
And Waste Firing Power Generation Technique field.
Background technology：
Fluidized bed garbage combustion boiler is mainly the rubbish for using high ash content, high-moisture.Due to season and geographical position
Difference, the composition of rubbish have larger difference in Various Seasonal, different regions.Such as watermelon peel is more in summer, rubbish；And
In rainy season, refuse moisture is larger.Beer bottle and bottle cap in Qingdao, rubbish is more；When building site is more in city, water
Clod, brick will be more.On the other hand, it is immature due to refuse classification and crushing technology, cause rubbish caloric value relatively low
And rubbish size is larger.As refuse moisture is high, or brick, cement block are more, and rubbish caloric value can be caused low, cause fire box temperature
Low, CO concentration in flue gas is high.In fact, the fire box temperature of all fluidized bed refuse incinerators is not high, typically on 900 DEG C of left sides
The right side, it is seldom more than 950 DEG C.It is to have low melting point in rubbish to trace it to its cause, such as glass, zinc, tin, lead, and fire box temperature is high
Coking is easy for, so have to control must than relatively low for fire box temperature, this is the high another reason of CO concentration in flue gas.Due to
Brick, cement block equidimension are larger, cause rubbish furnace slag discharge difficult, the cycle of operation is short.In the prior art, Chinese patent
CN205664391U discloses the air distributor structure for waste incinerator, including air distribution plate main body, blanking port and blast cap, described
Blast cap includes blast cap A, mushroom blast cap, directional mushroom blast cap and Duckbill type blast cap；The air port of the Duckbill type blast cap is in flat ellipse
Shape, the height of Duckbill type blast cap is 90-105mm；In air distribution plate main body, 14-17 blast cap is horizontally arranged with, is vertically arranged with
59-66 blast cap；By the upper and lower both sides of blanking port respectively have a row, more than totally 3 gap settings Duckbill type blast cap and directional mushroom
Blast cap, by blanking port arranged on left and right sides respectively have a row, more than totally 5 gap settings Duckbill type blast cap and directional mushroom blast cap, duck
The air port A of nozzle type blast cap and the air port B of directional mushroom blast cap are towards blanking port；Chinese patent CN205664391U discloses one
The slag-draining device of kind waste incinerator, including air distribution plate, scum pipe, the first blast cap and the second blast cap, the scum pipe are located at
The middle part of air distribution plate, the scum pipe are provided with slag-drip opening, the top surface of the slag-drip opening and the either flush of air distribution plate；First wind
Cap is located on air distribution plate and provided with multiple, and the plurality of first blast cap is distributed in the surrounding of slag-drip opening, and first blast cap is in duckbilled
Shape, and its air outlet faces slag-drip opening；Second blast cap is located on air distribution plate and is provided with multi-turn, the top of second blast cap
In hemispherical, second blast cap is provided with multiple exhaust vents in portion, first blast cap and the blast cap of multi-turn second cloth from the inside to the outside
Put, and the height of the second blast cap of the first blast cap and some circles is incremented by successively from the inside to the outside, the number of turns of the second blast cap of some circles
Less than the number of turns of the blast cap of multi-turn second, the second blast cap and the second blast cap of some circles except the second blast cap of some circles
The highlands such as the circle of outermost one are set；Both structures are the slag-drip opening of large-size so that the Fluidization wind rate of blanking port is sufficient, makes
Upper furnace fluidisation disturbance is uniform, lime-ash noncoking, does not produce iron wire and wind at slag mouth, slag mouth drain deslagging it is smooth,
Lime-ash is not blocked, but the bottom and surrounding of cloth wind and slag-draining device are formed by water screen tube and steel plate cross weld；Larger chi
Very little slag-drip opening makes fluidisation of the boiler in slag-drip opening region be deteriorated, and rubbish is bad with oxygen mix, adds CO in flue gas
Concentration.Simultaneously as the fluidisation in slag-drip opening region is deteriorated so that slag-drip opening is easier coking and causes deslagging difficult, seriously
When can block slag-drip opening and be forced blowing out, this be the boiler operatiopn cycle it is short the reason for one of；The difficult another reason of deslagging is rubbish
There are the larger materials of proportion such as the bottle cap, screw and nut that tinplate does in rubbish, fluidisation wind is motionless, and the time one is grown, and accumulation is more
It can be deposited on air distribution plate, fluidisation is failed and is forced blowing out；Above-mentioned reason causes fluidized bed garbage combustion boiler and row be present
The problems such as slag is difficult, the cycle of operation is short, CO concentration in flue gas is high, and confirmed on more fluidized bed garbage combustion boilers,
These engineering problems have turned into be badly in need of solving using fluidized bed garbage combustion boiler processing municipal refuse, reduction city environmental pollution
Certainly the problem of.
The content of the invention：
The shortcomings that it is an object of the invention to overcome prior art to exist, seek to design a kind of fluidized bed combustor, solve
Certainly deslagging hardly possible, the three big technical barriers that the cycle of operation is short, CO concentration in flue gas is high, can effectively reduce city environmental pollution, prolong
The service life of long burner.
To achieve these goals, the agent structure of fluidized bed combustor of the present invention include blast cap, wind-distributing pipe,
Cooling duct, metal hose, ipper air chamber, lower air chamber, activity building block tile assembly, heat-preservation cotton, removable cover plate, burner hearth, slag bucket, deslagging
Pipe, slagging door, wherein, burner hearth includes inboard wall of burner hearth and hearth outer wall, is vertically arranged the bottom of the burner hearth of column and cavity structure
Provided with funnelform slag bucket, the inclined-plane of slag bucket is provided with more than one slag bucket aperture, and the lower vertical of slag bucket is provided with scum pipe,
Deslagging bottom of the tube is provided with slagging door, and the lower horizontal of inboard wall of burner hearth is provided with the wind-distributing pipe of the three row above, the bottom table of each column wind-distributing pipe
Face is welded with cooling duct, and wind-distributing pipe and cooling duct are evenly arranged along burner hearth horizontal direction, between adjacent wind-distributing pipe,
Space between adjacent cooling duct is slag-drip opening so that slag-drip opening be not centralized arrangement in center or edge, but along level
Direction is evenly arranged, and is easy to the less debris of size to fall into slag bucket in any position of burner hearth horizontal direction；Each column cloth
More than one blast cap is provided with the top of airduct, the left and right sides symmetrical expression of hearth outer wall is provided with the air compartment of up-down structure, ipper air chamber
It is connected by metal hose with wind-distributing pipe, lower air chamber is connected by metal hose with cooling duct；In each wind-distributing pipe and
The cooling duct welded therewith passes through the position of inboard wall of burner hearth and hearth outer wall, each wind-distributing pipe and the cooling duct welded therewith
Surrounding be equipped with one group of activity building block tile assembly with handle so that wind-distributing pipe and the cooling duct welded therewith are fixed on stove
On thorax inwall and hearth outer wall；The outside of movable building block brick is provided with heat-preservation cotton, and the outside of heat-preservation cotton is provided with removable cover plate；
The wind-distributing pipe is hollow type rectangular tube, and cooling duct is hollow type pipe；Being capable of fast quick-detach with flange connection
Wind-distributing pipe and cooling duct；Blast cap is semi-cylindrical hill, the left and right sides of each cooling duct bottom, along cooling duct length
On direction, have a more than one cooling duct aperture, the vertical line of cooling duct aperture to cooling duct axis with it is vertical
The angle α in direction is 45 degree；
The activity building block tile assembly is combining structure, is made up of four components, and the top movable comprising a strip is built
Block brick, two sizes are identical and the sidepiece activity building block brick of the strip of symmetrical configuration and a U-shaped bottom activity building block brick, top
Activity building block brick in portion's is located at the top of wind-distributing pipe, and sidepiece activity building block brick is located at the both sides of wind-distributing pipe and cooling duct, and bottom is lived
Dynamic building block brick is located at the lower section of cooling duct.
Another improvement as the present invention：The activity building block tile assembly be strip top movable building block brick,
Two sizes are identical and the sidepiece activity building block brick of the strip of symmetrical configuration and U-shaped bottom activity building block brick composition return
Type integral structure；As a further improvement on the present invention：The activity building block tile assembly of the hollow integral structure can be by
Symmetry axis or diagonal are split as combining structure, according to what is burned for fluidized bed garbage combustion and Waste Firing Power Generation Technique field
The species of fuel and the disposal ability of burner select corresponding activity building block tile assembly, application easy to operation.
Another improvement as the present invention：The activity building block tile assembly is combining structure, the movable building block brick group
Any one in the top movable building block brick of the strip of part, sidepiece activity building block brick and bottom activity building block brick or two kinds mutual group
Close, can effectively reduce the number of components of the activity building block tile assembly, be easy to practical operation application；Enter one as the present invention
Step is improved：It is mutually combined between the component of the adjacent activity building block tile assembly, it is a fairly large number of advantageously reduces wind-distributing pipe
The movable building block brick component count of burner, is easy to practical operation application.
Fluidized bed combustor of the present invention can be used in fluidized bed garbage combustion and technical field of power generation.
The cloth wind of fluidized bed combustor of the present invention and the concrete technology step of deslagging are as follows：
1) bed is added：Before running first, bed is first added into burner hearth, bed is added to blast cap lower edge position, made
Level where bed bed depth exceedes wind-distributing pipe, bed is filled by slag bucket；
2) cloth wind and deslagging size are set：Then wind-distributing pipe and the cooling duct welded therewith are adjusted, makes it along burner hearth
Horizontal direction is evenly arranged, and the spacing between adjacent wind-distributing pipe, adjacent cooling duct is 100-300mm, the spacing shape
Into space be slag-drip opening so that slag-drip opening is evenly arranged along whole burner hearth, so that obtain even distributing wind in burner hearth, and just
It can be fallen into the less debris of size in any position of burner hearth horizontal direction in slag bucket；
3) burner is run：Then burner is run, and air compartment and lower air chamber provide blast, leeward chamber pressure upwards
More than windward chamber pressure, it is easy to the slag of position below wind-distributing pipe to be avoided by quickly being cooled down during cooling duct aperture
Coking；
4) deslagging size is adjusted：When the noncombustible matter accumulation of large-size in burner hearth is more, by burner load
Minimize, deslagging minimizes bed pressure, and it is negative pressure to keep wind-distributing pipe region, then the screw of removable cover plate is turned on, and is pulled out
Heat-preservation cotton, adiabatic gloves are taken, the handle for hand-pulling movable building block brick pulls out movable building block brick, utilizes sidepiece activity building block
Gap between brick, wind-distributing pipe and cooling duct three, first sidepiece activity building block brick is pulled out, then by top movable building block brick
Pulled out with bottom activity building block brick, then the cooling duct welded by wind-distributing pipe and therewith moves left and right, and increases the spacing of wind-distributing pipe,
So that large scale, aphlogistic debris just can successfully fall into slag bucket；After these large-sized debris exclude out of burner hearth,
Wind-distributing pipe can be recovered rapidly and weld therewith cooling duct, the position of movable building block brick, apply heat-preservation cotton, finally covering can
Tear cover plate open, burner is recovered normal operation；
5) deslagging：When deslagging is not smooth in last slag bucket or slightly blocks, the slag bucket aperture that is provided with by slag bucket inclined-plane uses
Slag bucket is entered by slag bucket aperture obliquely compared with thin metal rod, the slag blanket firmly dredged in slag bucket, slag blanket in slag bucket is fluffed, slag bucket
Interior deslagging is unobstructed；After deslagging is unobstructed in slag bucket, slag bucket aperture is sealed with the bolt of corresponding size, opens slagging door, is completed
Deslagging.
The operation principle of fluidized bed combustor of the present invention：It is larger using the less bed particle of particle diameter and size
Lime-ash it is grain fluidized when gravity it is different, caused lime-ash falls into slag bucket by slag-drip opening after making burning, finally by scum pipe
Discharge；By pull-out activity building block brick, wind-distributing pipe and cooling duct spacing are adjusted, reaches the purpose of adjustment slag-drip opening size, will
Large scale debris is discharged, and is then recovered full size, fluidisation of the burner in burner hearth is improved, and bed is fully mixed with oxygen
Close, reduce the concentration of CO in flue gas, and using the lime-ash in slag bucket aperture dredging slag bucket, using the Action of Gravity Field of lime-ash by lime-ash
Smoothly discharge.
The present invention compared with prior art, has the technique effect of advantages below and high-lighting：1. the structure eliminates
The single slag-drip opening of larger area, is changed to that area is moderate, does not influence to fluidize, is uniformly distributed in a section, can adjust in operation
Multiple slag-drip openings of entire row cinder notch size；2. more than the spacing 200mm between wind-distributing pipe, size is less than 200mm and ratio in rubbish
Aphlogistic thing such as weight heavier cement block, stone, brick, iron block, vial and glass cover, screw screw, nut nut
Matter, slag bucket can be fallen into quickly in the process of running so that fluidized status more than wind-distributing pipe is greatly improved, and burn more abundant, cigarette
CO concentration of emissions are minimized in gas；3. slag bucket opening size increases, solves deslagging problem；4. cooling duct aperture has oblique
Under the wind that blows so that slag is cooled down quickly, solves the problems, such as slag-drip opening coking；5. it is more than more than 200mm in cleaning stove
Bulk debris when, without perform blowing out, cool down, enter stove manual cleaning, light a fire starts the complicated procedures such as burner again, save
Processing time, reduce burner blowing out number, extend the cycle of operation of burner, improve burner equipment
The economic benefit used, its overall structure is simple, and principle is reliable, and energy-conserving and environment-protective, long lifespan is easy to operate, saves processing time,
With good economic benefit and wide market prospects.
Brief description of the drawings：
Fig. 1 is the agent structure principle schematic of fluidized bed combustor of the present invention.
Fig. 2 is the A-A sectional structure principle schematics of fluidized bed combustor of the present invention.
Fig. 3 is the local B-B sectional structures principle schematic of fluidized bed combustor of the present invention.
Fig. 4 is the principle schematic diagram of blast cap of the present invention, wind-distributing pipe and cooling tube.
Fig. 5 is the principle schematic diagram of movable building block brick of the present invention.
Embodiment：
The present invention will be further described by way of example and in conjunction with the accompanying drawings.
Embodiment 1：
The agent structure for the fluidized bed combustor that the present embodiment is related to includes blast cap 1, wind-distributing pipe 2, cooling duct 3, gold
Belong to flexible pipe 4, ipper air chamber 5, lower air chamber 6, activity building block tile assembly 7, heat-preservation cotton 8, removable cover plate 9, burner hearth 16, slag bucket 12, deslagging
Pipe 14 and slagging door 15, wherein, burner hearth 16 includes inboard wall of burner hearth 10 and hearth outer wall 11, is vertically arranged column and cavity structure
The bottom of burner hearth 16 is provided with funnelform slag bucket 12, and the inclined-plane of slag bucket 12 is provided with more than one slag bucket aperture 13, slag bucket 12
Lower vertical be provided with scum pipe 14, the bottom of scum pipe 14 is provided with slagging door 15, and the lower horizontal of inboard wall of burner hearth 10 is provided with three row
Wind-distributing pipe 2 above, the basal surface of each column wind-distributing pipe 2 are welded with cooling duct 3, and wind-distributing pipe 2 and cooling duct 3 are along stove
Thorax horizontal direction is evenly arranged, and the space between adjacent wind-distributing pipe 2, between adjacent cooling duct 3 is slag-drip opening so that slag-drip opening
Be not centralized arrangement in center or edge, but be evenly arranged in the horizontal direction, be easy to the less debris of size horizontal in burner hearth
Any position in direction can fall into slag bucket 12；The top of each column wind-distributing pipe 2 is provided with more than one blast cap 1, hearth outer wall 11
Left and right sides symmetrical expression be provided with the air compartment of up-down structure, ipper air chamber 5 is connected by metal hose 4 with wind-distributing pipe 2, lower air chamber
6 are connected by metal hose 4 with cooling duct 3；Each wind-distributing pipe 2 and the cooling duct 3 that welds therewith are through in burner hearth
The movable building block brick with handle is equipped between the position of wall 10 and hearth outer wall 11, with inboard wall of burner hearth 10, hearth outer wall 11
Component 7 so that wind-distributing pipe 2 and the cooling duct 3 welded therewith are fixed on inboard wall of burner hearth 10 and hearth outer wall 11；Activity is built
The outside of block tile assembly 7 is provided with heat-preservation cotton 8, and the outside of heat-preservation cotton 8 is provided with removable cover plate 9；
The wind-distributing pipe 2 is hollow type rectangular tube, and cooling duct 3 is hollow type pipe；Can quickly it be torn open with flange connection
Unload wind-distributing pipe 2 and cooling duct 3；Blast cap 1 is semi-cylindrical hill, the left and right sides of each bottom of cooling duct 3, and wind is cooled down on edge
On the length direction of pipe 3, more than one cooling duct aperture 17 is had, cooling duct aperture 17 arrives the axis of cooling duct 3
Vertical line and vertical direction angle α be 45 degree；
The activity building block tile assembly 7 is combining structure, is made up of four movable building block bricks, comprising living at the top of a strip
The strip sidepiece activity building block brick 19 and a U-shaped bottom activity building block brick of 18, two identical symmetrical configurations of size of dynamic building block brick
20, top movable building block brick 18 is located at the top of wind-distributing pipe 2, and sidepiece activity building block brick 19 is located at wind-distributing pipe 2 and cooling duct 3
Both sides, bottom activity building block brick 20 are located at the lower section of cooling duct 3.
The present invention has been applied to the transformation of a large-sized boiler, achieves good effect, thoroughly solves boiler slag removal
Difficult, the problem of cycle of operation is short, CO concentration in flue gas is high, its cycle of operation reaches more than April, boiler load CO in 60t/h
Concentration of emission is by original 310mg/Nm3It is reduced to 80mg/Nm3, positive effect.
The cloth wind of fluidized bed combustor of the present invention and comprising the following steps that for Slagoff method：
1) bed is added：Before running first, bed first is added into burner hearth 16, bed is added to the lower edge position of blast cap 1,
Bed bed depth is exceeded the place level of wind-distributing pipe 2, slag bucket 12 is filled into bed；
2) cloth wind and deslagging size are set：Then wind-distributing pipe 2 and the cooling duct 3 welded therewith are adjusted, makes it along stove
The horizontal direction of thorax 16 is evenly arranged, and the spacing between adjacent wind-distributing pipe 2, adjacent cooling duct 3 is 100-300mm, should
The space that spacing is formed is slag-drip opening so that slag-drip opening is evenly arranged along whole burner hearth, so that being obtained in burner hearth 16 uniformly
Cloth wind, and it is easy to the less debris of size to be fallen into slag bucket 12 in any position of the horizontal direction of burner hearth 16；
3) burner is run：Then burner is run, and air compartment 5 and lower air chamber 6 provide blast, lower air chamber 6 upwards
Pressure is more than the pressure of ipper air chamber 5, is easy to the slag of wind-distributing pipe position below 2 by obtaining fast quickly cooling during cooling duct aperture 17
But, coking is avoided；
4) deslagging size is adjusted：When the noncombustible matter accumulation of large-size in burner hearth 16 is more, burner is born
Lotus minimizes, and deslagging minimizes bed pressure, and it is negative pressure to keep the region of wind-distributing pipe 2, then the screw of removable cover plate 9 is turned on,
Heat-preservation cotton 8 is pulled out, takes adiabatic gloves, the handle for hand-pulling activity building block tile assembly 7 pulls out activity building block tile assembly 7,
Using the gap between both sides activity building block brick 19, wind-distributing pipe 2 and the three of cooling duct 3, first by both sides activity building block brick
19 pull out, and then pull out top movable building block brick 18 and bottom activity building block brick 20, then weld wind-distributing pipe 2 and therewith cold
But airduct 3 moves left and right, and increases the spacing of wind-distributing pipe 2 so that large scale, aphlogistic debris just can successfully fall into slag bucket
12；After these large-sized debris exclude out of burner hearth 16, wind-distributing pipe 2 and the cooling duct welded therewith can be recovered rapidly
3rd, the position of activity building block tile assembly 7, applies heat-preservation cotton 8, finally covers removable cover plate 9, burner is recovered normal operation；
5) deslagging：Finally when deslagging is not smooth in slag bucket 12 or slightly blocks, the slag bucket being provided with by the inclined-plane of slag bucket 12 is small
Hole 13, slag bucket 12 is entered by slag bucket aperture 13 obliquely using compared with thin metal rod, the slag blanket firmly dredged in slag bucket 12, make slag bucket
Slag blanket fluffs in 12, and deslagging is unobstructed in slag bucket 12；After deslagging is unobstructed in scum pipe 14, with the bolt of corresponding size by slag bucket aperture
13 seal, and open slagging door 15, complete deslagging.
Embodiment 2：
The present embodiment and the difference of embodiment 1 are：The activity building block tile assembly is a strip top movable
What building block brick, the strip sidepiece activity building block brick of the identical symmetrical configuration of two sizes and a U-shaped bottom activity building block brick formed
Hollow integral structure, the number of components of the activity building block tile assembly of large-scale burner is reduced, is easy to practical application.
The cloth wind for the fluidized bed combustor that the present embodiment is related to and the specific steps difference from Example 1 of deslagging exist
In：When step (4) adjusts deslagging size, by the single overall pull-out of activity building block tile assembly 7.
Embodiment 3：
The present embodiment and the difference of embodiment 2 are：The activity building block tile assembly energy of the hollow integral structure
It is enough to be split as combining structure by symmetry axis or diagonal, burnt according to for fluidized bed garbage combustion and Waste Firing Power Generation Technique field
The species of the fuel of burning and the disposal ability of burner select corresponding activity building block tile assembly, application easy to operation.
The cloth wind for the fluidized bed combustor that the present embodiment is related to and the specific steps of deslagging are same as Example 1.
Embodiment 4：
The present embodiment and the difference of embodiment 1 are：The activity building block tile assembly is combining structure, the activity
Any one in the strip top movable building block brick of building block tile assembly, sidepiece activity building block brick and bottom activity building block brick or two kinds
It is mutually combined, can effectively reduces the number of components of the activity building block tile assembly, be easy to practical operation application；
The cloth wind for the fluidized bed combustor that the present embodiment is related to and the specific steps of deslagging are same as Example 1.
Embodiment 5：
The present embodiment and the difference of embodiment 4 are：Phase between the component of the adjacent activity building block tile assembly
Mutually combination, the movable building block brick component count of a fairly large number of burner of wind-distributing pipe is advantageously reduced, be easy to practical operation should
With.
The cloth wind for the fluidized bed combustor that the present embodiment is related to and the specific steps of deslagging are same as Example 1.
Embodiment 6：
Fluidized bed combustor in embodiment 1-5 described in any one can be used in fluidized bed garbage combustion and rubbish
Technical field of power generation.
It the above is only the preferred embodiments of the present invention, not make any type of limitation to the present invention, it is every according to this
The technical spirit of invention still falls within skill of the present invention to any simple modification, equivalent variations or modification made for any of the above embodiments
In the protection domain of art scheme.
Claims (9)
- A kind of 1. fluidized bed combustor, it is characterised in that：It is soft that agent structure includes blast cap, wind-distributing pipe, cooling duct, metal Pipe, ipper air chamber, lower air chamber, activity building block tile assembly, heat-preservation cotton, removable cover plate, burner hearth, slag bucket, scum pipe, slagging door, wherein, Burner hearth includes inboard wall of burner hearth and hearth outer wall, and the bottom for being vertically arranged the burner hearth of column and cavity structure is provided with funnelform slag Bucket, the inclined-plane of slag bucket are provided with more than one slag bucket aperture, and the lower vertical of slag bucket is provided with scum pipe, and deslagging bottom of the tube is provided with Slagging door, the lower horizontal of inboard wall of burner hearth are provided with the wind-distributing pipe of the three row above, and the basal surface of each column wind-distributing pipe is welded with cooling Airduct, wind-distributing pipe and cooling duct are evenly arranged along burner hearth horizontal direction, between adjacent wind-distributing pipe, adjacent cooling duct it Between space be slag-drip opening so that slag-drip opening be not centralized arrangement in center or edge, but be evenly arranged in the horizontal direction, just In the less debris of size slag bucket can be fallen into any position of burner hearth horizontal direction；One is provided with the top of each column wind-distributing pipe Blast cap above, the left and right sides symmetrical expression of hearth outer wall are provided with the air compartment of up-down structure, and ipper air chamber passes through metal hose and cloth Airduct is connected, and lower air chamber is connected by metal hose with cooling duct；In each wind-distributing pipe and the cooling wind welded therewith For pipe through the position of inboard wall of burner hearth and hearth outer wall, the surrounding of each wind-distributing pipe and the cooling duct welded therewith is equipped with one group Activity building block tile assembly with handle so that wind-distributing pipe and the cooling duct welded therewith are fixed on inboard wall of burner hearth and hearth outer wall On；The outside of movable building block brick is provided with heat-preservation cotton, and the outside of heat-preservation cotton is provided with removable cover plate.
- 2. fluidized bed combustor as claimed in claim 1, it is characterised in that：The wind-distributing pipe is hollow type rectangular tube, cold But airduct is hollow type pipe；Being capable of quick-detach wind-distributing pipe and cooling duct soon with flange connection；Blast cap is semi-cylindrical hill, often The left and right sides of individual cooling duct bottom, along cooling duct length direction, it is small to have more than one cooling duct Hole, the vertical line of cooling duct aperture to cooling duct axis and the angle α of vertical direction are 45 degree.
- 3. the fluidized bed combustor as described in any one in claim 1-2, it is characterised in that：The movable building block brick group Part is combining structure, is made up of four movable building block bricks, and comprising a strip top movable building block brick, two sizes are identical and tie The sidepiece activity building block brick of the symmetrical strip of structure and a U-shaped bottom activity building block brick, top movable building block brick are located at cloth wind The top of pipe, sidepiece activity building block brick are located at the both sides of wind-distributing pipe and cooling duct, and activity building block brick in bottom is located at cooling duct Lower section.
- 4. the fluidized bed combustor as described in any one in claim 1-2, it is characterised in that：The movable building block brick group Part is that the top movable building block brick of strip, two sizes are identical and the side activity building block brick of the strip of symmetrical configuration and one The hollow integral structure of U-shaped bottom activity building block brick composition.
- 5. fluidized bed combustor as claimed in claim 4, it is characterised in that：The activity building block of the hollow integral structure Tile assembly can be split as combining structure by symmetry axis or diagonal, and foundation is used for fluidized bed garbage combustion and Waste Firing Power Generation Technique The species for the fuel that field is burned and the disposal ability of burner select corresponding activity building block tile assembly, easy to operation to answer With.
- 6. the fluidized bed combustor as described in any one in claim 1-2, it is characterised in that：The movable building block brick group Part is combining structure, top movable building block brick, sidepiece activity building block brick and the bottom activity building block of the activity building block tile assembly Any one in brick or two kinds are mutually combined, and can effectively be reduced the number of components of the activity building block tile assembly, are easy to reality Operation application.
- 7. fluidized bed combustor as claimed in claim 6, it is characterised in that：The structure of the adjacent activity building block tile assembly It is mutually combined between part, advantageously reduces the movable building block brick component count of a fairly large number of burner of wind-distributing pipe, be easy to reality Border operation application.
- 8. fluidized bed combustor as claimed in claim 1, it is characterised in that：The cloth wind of the device and Slagoff method it is specific Step is as follows：1) bed is added：Before running first, bed is first added into burner hearth, bed is added to blast cap lower edge position, makes bed Level where bed depth exceedes wind-distributing pipe, bed is filled by slag bucket；2) cloth wind and deslagging size are set：Then wind-distributing pipe and the cooling duct welded therewith are adjusted, makes it horizontal along burner hearth Direction is evenly arranged, and the spacing between adjacent wind-distributing pipe, adjacent cooling duct is 100-300mm, what the spacing was formed Space is slag-drip opening so that slag-drip opening is evenly arranged along whole burner hearth, so that obtaining even distributing wind in burner hearth, and is easy to chi Very little less debris can be fallen into slag bucket in any position of burner hearth horizontal direction；3) burner is run：Then burner is run, and air compartment and lower air chamber provide blast upwards, leeward chamber pressure is more than Windward chamber pressure, it is easy to the slag of position below wind-distributing pipe to avoid coking by quickly being cooled down during cooling duct aperture；4) deslagging size is adjusted：When the noncombustible matter accumulation of large-size in burner hearth is more, burner load is down to Minimum, deslagging minimizes bed pressure, and it is negative pressure to keep wind-distributing pipe region, then the screw of removable cover plate is turned on, and pulls out insulation Cotton, take adiabatic gloves, the handle for hand-pulling movable building block brick pulls out movable building block brick, using sidepiece activity building block brick, Gap between wind-distributing pipe and cooling duct three, first sidepiece activity building block brick is pulled out, then by top movable building block brick and Activity building block brick in bottom pulls out, then the cooling duct welded by wind-distributing pipe and therewith moves left and right, and increases the spacing of wind-distributing pipe, makes Obtain large scale, aphlogistic debris just can successfully fall into slag bucket；, can after these large-sized debris exclude out of burner hearth With recover wind-distributing pipe rapidly and weld therewith cooling duct, the position of movable building block brick, apply heat-preservation cotton, finally cover removable Cover plate, burner is set to recover normal operation；5) deslagging：When deslagging is not smooth in last slag bucket or slightly blocks, the slag bucket aperture that is provided with by slag bucket inclined-plane, use is thinner Metallic rod enters slag bucket obliquely by slag bucket aperture, the slag blanket firmly dredged in slag bucket, slag blanket in slag bucket is fluffed, and is arranged in slag bucket Slag is unobstructed；After deslagging is unobstructed in slag bucket, slag bucket aperture is sealed with the bolt of corresponding size, opens slagging door, completes deslagging.
- 9. fluidized bed combustor as claimed in claim 1, it is characterised in that：It can be used in fluidized bed garbage combustion and rubbish Technical field of power generation.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343948A (en) * | 2018-04-02 | 2018-07-31 | 杭州锅炉集团股份有限公司 | Circulating fluidized bed boiler beam type cloth wind slag-draining device |
| CN109323266A (en) * | 2018-11-13 | 2019-02-12 | 浙江物华天宝能源环保有限公司 | A kind of tubular distributor suitable for fluidized combustion rubbish |
| CN109321280A (en) * | 2018-11-06 | 2019-02-12 | 安徽科达洁能股份有限公司 | A kind of air-distribution device and its application method of fluidized-bed reactor |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201111708A (en) * | 2009-09-18 | 2011-04-01 | Ind Tech Res Inst | Fluidized bed combustor and controlling method thereof |
| CN102466224A (en) * | 2010-11-12 | 2012-05-23 | 中国科学院工程热物理研究所 | Air distribution device of fluidized bed and boiler or gasification furnace with same |
| CN102997231B (en) * | 2012-12-31 | 2015-06-24 | 中国科学院工程热物理研究所 | Large circulating fluidized bed boiler, air distribution device and air distribution device assembly |
| CN104990086A (en) * | 2015-07-01 | 2015-10-21 | 集美大学 | Fluidized bed garbage incinerator |
| CN204901747U (en) * | 2015-03-24 | 2015-12-23 | 宁波悍马能源设备有限公司 | Fluidized bed cloth wind system all |
| CN205299544U (en) * | 2016-01-15 | 2016-06-08 | 信鼎技术服务股份有限公司 | Scattered mechanism of qi of cloth tuber pipe formula fluidization constructs |
| CN106642093A (en) * | 2016-12-16 | 2017-05-10 | 无锡东马锅炉有限公司 | Air distribution device for biomass fluidized-bed boiler |
-
2017
- 2017-09-28 CN CN201710897427.XA patent/CN107842850B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW201111708A (en) * | 2009-09-18 | 2011-04-01 | Ind Tech Res Inst | Fluidized bed combustor and controlling method thereof |
| CN102466224A (en) * | 2010-11-12 | 2012-05-23 | 中国科学院工程热物理研究所 | Air distribution device of fluidized bed and boiler or gasification furnace with same |
| CN102997231B (en) * | 2012-12-31 | 2015-06-24 | 中国科学院工程热物理研究所 | Large circulating fluidized bed boiler, air distribution device and air distribution device assembly |
| CN204901747U (en) * | 2015-03-24 | 2015-12-23 | 宁波悍马能源设备有限公司 | Fluidized bed cloth wind system all |
| CN104990086A (en) * | 2015-07-01 | 2015-10-21 | 集美大学 | Fluidized bed garbage incinerator |
| CN205299544U (en) * | 2016-01-15 | 2016-06-08 | 信鼎技术服务股份有限公司 | Scattered mechanism of qi of cloth tuber pipe formula fluidization constructs |
| CN106642093A (en) * | 2016-12-16 | 2017-05-10 | 无锡东马锅炉有限公司 | Air distribution device for biomass fluidized-bed boiler |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343948A (en) * | 2018-04-02 | 2018-07-31 | 杭州锅炉集团股份有限公司 | Circulating fluidized bed boiler beam type cloth wind slag-draining device |
| CN108343948B (en) * | 2018-04-02 | 2023-12-05 | 西子清洁能源装备制造股份有限公司 | Beam type air distribution slag discharging device for circulating fluidized bed boiler |
| CN109321280A (en) * | 2018-11-06 | 2019-02-12 | 安徽科达洁能股份有限公司 | A kind of air-distribution device and its application method of fluidized-bed reactor |
| CN109321280B (en) * | 2018-11-06 | 2024-03-08 | 安徽科达洁能股份有限公司 | Air distribution device of fluidized bed reactor and use method thereof |
| CN109323266A (en) * | 2018-11-13 | 2019-02-12 | 浙江物华天宝能源环保有限公司 | A kind of tubular distributor suitable for fluidized combustion rubbish |
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