CN105950222A - Fluidized bed gasifying device - Google Patents
Fluidized bed gasifying device Download PDFInfo
- Publication number
- CN105950222A CN105950222A CN201610430769.6A CN201610430769A CN105950222A CN 105950222 A CN105950222 A CN 105950222A CN 201610430769 A CN201610430769 A CN 201610430769A CN 105950222 A CN105950222 A CN 105950222A
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- China
- Prior art keywords
- ash
- lime
- mozzle
- slag
- pipe
- Prior art date
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/54—Gasification of granular or pulverulent fuels by the Winkler technique, i.e. by fluidisation
- C10J3/56—Apparatus; Plants
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Gasification And Melting Of Waste (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a fluidized bed gasifying device, and relates to the technical field of coal gasification. The fluidized bed gasifying device is invented for solving the problem that an exiting ash cooling device easily causes ash discharge abnormity or low cooling uniformity. The fluidized bed gasifying device comprises a gasifying furnace. The gasifying furnace is connected with an ash discharge pipe which is connected with an ash hopper. At least one ash discharge and gas inlet pipe is arranged on the ash hopper in a penetrating mode, located above ash in the ash hopper and used for introducing a gasifying agent. The gasifying agent can enter the ash discharge pipe from the ash hopper and enter the gasifying furnace along the ash discharge pipe so as to control the ash discharge speed of the gasifying furnace and cool ash. The fluidized bed gasifying device can be used for preventing ash discharge abnormity and meanwhile improve cooling uniformity.
Description
Technical field
The present invention relates to Coal Gasification Technology field, particularly relate to a kind of fluidized gasification device.
Background technology
In Coal Gasification Technology field, fluidized gasification device can produce high-temperature ash, in order to keep away
Exempt from this lime-ash and damage transporting equipment, or operator are damaged, fluidized gasification need to be filled
The high-temperature ash putting discharge carries out cooling process.
Example, a kind of cooling treatment method of the prior art is to be arranged by fluidized gasification device
The lime-ash gone out is passed through in cooler and cools down, as it is shown in figure 1, fluidized gasification device includes
Gasification furnace 01, gasification furnace 01 connects scum pipe 02, and scum pipe 02 connects slag bucket 03,
The lime-ash that coal dust produces after generating gasification reaction in gasification furnace 01 can fall into slag through scum pipe 02
In bucket 03, the sidewall of scum pipe 02 is equipped with deslagging air inlet pipe 04, deslagging air inlet pipe 04
The gas to gasification furnace 01 flowing can be passed through, to control gasification furnace 01 in scum pipe 02
Deslagging speed.In order to realize the cooling of lime-ash, the slag-drip opening 031 of slag bucket 03 connects cooling
Device 05, cooler 05 can realize the cooling of lime-ash, and the lime-ash after cooling can be by cooler 05
Discharging opening 06 discharge.Wherein, the structure of cooler 05 can be as in figure 2 it is shown, reference
Fig. 2, cooler 05 includes that housing 051, housing 051 are provided with charging aperture 07 and discharging opening
06, it is provided with screw rod 052 in housing 051, one end of screw rod 052 connects driving motor 053,
Drive motor 053 that screw rod 052 can be driven to rotate to push to the lime-ash that charging aperture 07 enters
Discharging opening 06 is discharged, and the outer wall of housing 051 is arranged with cooling tube 054, in cooling tube 054
Circulation has been passed through cooling water, and screw rod 052 includes hollow axle 0521, follows in hollow axle 0521
Ring has been passed through cooling water, during thus lime-ash transmits in spiral cooler, and can be with housing
051 inwall and hollow axle 0521 outer wall carry out heat exchange to cool down lime-ash.But, this is cold
But device is when cooling down high-temperature lime-ash, and in gasification furnace 01, high temperature and high pressure gas can enter together with lime-ash
Enter in cooler, in the internal medium of High Temperature High Pressure, the sealing of each connecting portion of cooler
Place is susceptible to leakage, and high temperature is transferred to drive easily by screw rod 052 or this leak
Motor 053, drives motor 053 the most malfunctioning, and easily there was a mechanical failure
And cannot normally work, thus cause fluidized gasification device deslagging abnormal.
Example again, another kind of cooling treatment method of the prior art is not for using cooler
05, directly it is passed through gasifying agent to control gasification furnace 01 by the deslagging air inlet pipe 04 in Fig. 1
Lime-ash is cooled down while deslagging speed.Owing to being provided without the cooler of band mechanical moving element, because of
This can be avoided occurring gasification system at high temperature under high pressure due to leakage of cooler and mechanical breakdown
The situation that system deslagging is abnormal.But, owing to the diameter of scum pipe 02 is relatively small, therefore gas
In agent enters scum pipe 02, the most unrealized being uniformly distributed just is entered into gasification furnace by scum pipe 02
In 01, therefore the uniformity by gasifying agent cooling lime-ash is relatively low, and therefore cooling effect is poor.
Summary of the invention
The present invention provides a kind of fluidized gasification device, it is possible to avoid at high temperature under high pressure due to cold
But device leakage and mechanical breakdown and cause the abnormal situation of deslagging, lime-ash can be improved cold simultaneously
But uniformity, improves cooling effect.
For reaching above-mentioned purpose, the invention provides a kind of fluidized gasification device, including gasification
Stove, described gasification furnace connects scum pipe, and described scum pipe connects has slag bucket, on described slag bucket
Being equipped with at least deslagging air inlet pipe, described deslagging air inlet pipe is positioned at described slag bucket lime-ash
Top, is used for being passed through gasifying agent, and described gasifying agent can be entered described scum pipe also by described slag bucket
Described gasification furnace is entered, to control the deslagging speed of described gasification furnace and to cool down along described scum pipe
Lime-ash.
A kind of fluidized gasification device that the present invention provides, coal dust generating gasification in gasification furnace is anti-
The lime-ash that should produce afterwards falls in slag bucket along scum pipe, owing to gasification installation uses deslagging air inlet pipe
It is passed through gasifying agent to cool down, is provided without the cooler of band mechanical moving element, therefore can avoid
Occur that gasification system deslagging is different at high temperature under high pressure due to leakage of cooler and mechanical breakdown
Normal situation.Simultaneously as the gas that deslagging air inlet pipe is passed through initially enters slag bucket and through slag
Entering back in scum pipe after bucket buffering, the inner space of slag bucket is relatively big, can realize the uniform of gas
Distribution, therefore can improve the uniformity of the gasifying agent entering scum pipe, enable lime-ash to obtain all
Even cooling.And, gasifying agent enters gasification furnace along scum pipe after being entered scum pipe by slag bucket again,
The direct scheme being entered gasification furnace by scum pipe compared in prior art, cooling path is longer,
Cooling effect is more excellent.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
The accompanying drawing used required in embodiment or description of the prior art will be briefly described, aobvious and
Easily insight, the accompanying drawing in describing below is only some embodiments of the present invention, for this area
From the point of view of those of ordinary skill, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 is the attachment structure schematic diagram of prior art fluidized gasification device and cooler；
Fig. 2 is the structural representation of prior art cooler；
Fig. 3 is the first structural representation of embodiment of the present invention fluidized gasification device；
Fig. 4 is the second structural representation of embodiment of the present invention fluidized gasification device；
Fig. 5 is the structural representation of Fig. 3 middle section A-A；
Fig. 6 be in the embodiment of the present invention fluidized gasification device passage in lime-ash water conservancy diversion tube side
Position view is offered on wall.
Wherein: 01-gasification furnace, 02-scum pipe, 03-slag bucket, 04-deslagging air inlet pipe,
031-slag-drip opening, 05-cooler, 06-discharging opening, 07-charging aperture, 08-penetrates at center
Flow tube, 051-housing, 052-screw rod, 053-drives motor, 054-cooling tube, and 0521
-hollow axle, 1-gasification furnace, 2-scum pipe, 3-slag bucket, 4-deslagging air inlet pipe, 5-
Lime-ash mozzle, 6-passage, 7-seal closure, 8-chilling device, 81-endless tube, 82
-charging device, 821-feed tube, 10-enlarging, 9-central jet pipe, 91-first manages
Section, 92-the second pipeline section, 93-kink.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, to the technical side in the embodiment of the present invention
Case is clearly and completely described, it is clear that described embodiment is only the present invention one
Divide embodiment rather than whole embodiments.Based on the embodiment in the present invention, this area is general
The every other embodiment that logical technical staff is obtained under not making creative work premise,
Broadly fall into the scope of protection of the invention.
In describing the invention, it is to be understood that term " " center ", " on ", D score,
"front", "rear", "left", "right", " vertically ", " level ", " top ",
Orientation or the position relationship of the instruction such as " end ", " interior ", " outward " are based on shown in the drawings
Orientation or position relationship, be for only for ease of the description present invention and simplify description rather than instruction
Or the hint device of indication or element must have specific orientation, with specific azimuth configuration and
Operation, is therefore not considered as limiting the invention.In describing the invention, unless separately
Being described, " multiple " are meant that two or more.
It is embodied as with reference to that Fig. 3, Fig. 3 are embodiment of the present invention fluidized gasification device
Example, the fluidized gasification device of the present embodiment includes gasification furnace 1, and described gasification furnace 1 connects to be had
Scum pipe 2, described scum pipe 2 connects slag bucket 3, and described slag bucket 3 is equipped with at least one
Root deslagging air inlet pipe 4, described deslagging air inlet pipe 4 is positioned at the top of described slag bucket 3 lime-ash,
For being passed through gasifying agent, described gasifying agent can be entered described scum pipe 2 edge by described slag bucket 3
Described scum pipe 2 enters described gasification furnace 1, to control the deslagging speed of described gasification furnace 1 also
Cooling lime-ash.
A kind of fluidized gasification device that the present invention provides, coal dust is generating gasification in gasification furnace 1
The lime-ash produced after reaction falls in slag bucket 3 along scum pipe 2, owing to gasification installation uses deslagging
Air inlet pipe 4 is passed through gasifying agent and cools down, and is provided without the cooler of band mechanical moving element, because of
This can be avoided occurring gasification system at high temperature under high pressure due to leakage of cooler and mechanical breakdown
The situation that system deslagging is abnormal.Simultaneously as the gas that deslagging air inlet pipe 4 is passed through initially enters slag
Bucket 3 also enters back in scum pipe 2 after slag bucket 3 buffers, and the inner space of slag bucket 3 is relatively big,
Can realize being uniformly distributed of gas, therefore can improve gasifying agent uniform entering scum pipe 2
Property, enable lime-ash uniformly to be cooled down.And, gasifying agent is entered scum pipe 2 by slag bucket 3
After enter gasification furnace 1 along scum pipe 2 again, directly entered by scum pipe 2 compared in prior art
Entering the scheme of gasification furnace 1, cooling path is longer, and cooling effect is more excellent.
In the above-described embodiments, the cross sectional shape of scum pipe 2 can be circle, triangle, side
Shape etc., is not specifically limited at this.But, in order to reduce abrasion, preferably scum pipe 2
Cross sectional shape is circular, and compared to other cross sectional shapes, the scum pipe 2 of circular cross-section is circumferentially
Uniform stressed, weares and teares less.
In like manner, the cross sectional shape of deslagging air inlet pipe 4 can be circle, triangle, square etc.,
It is not specifically limited at this.But, in order to reduce abrasion, the preferably cross section of deslagging air inlet pipe 4
Generally circular in shape, compared to other cross sectional shapes, the deslagging air inlet pipe 4 of circular cross-section is circumferentially
Uniform stressed, stress is preferable, it is not necessary to additionally increase support, and inner wall smooth, circulation resistance
Power is less.
In the embodiment shown in fig. 3, the quantity of deslagging air inlet pipe 4 can be one, it is possible to
Think many, be not specifically limited at this.
In the embodiment shown in fig. 3, the gasifying agent in order to make deslagging air inlet pipe 4 be passed through is uniform
It is distributed in the superjacent air space of lime-ash in slag bucket 3, it is preferred that as it is shown in figure 5, deslagging air inlet pipe
4 is many, many deslagging air inlet pipe 4 being uniformly arranged for a week around slag bucket 3, from there through
The air inlet simultaneously of deslagging air inlet pipe 4 that many are uniformly arranged, improves in slag bucket 3 empty above lime-ash
The uniformity of gasifying agent distribution between, thus further increase the gasification entered in scum pipe 2
The distributing homogeneity of agent, makes lime-ash uniformly be cooled down.
Wherein, the quantity of deslagging air inlet pipe 4 can be odd number, it is also possible to for even number, at this not
It is specifically limited, as long as uniformly can be passed through in slag bucket 3 by these multiple deslagging air inlet pipe 4
Gasifying agent.
Spread to slag bucket 3 inwall or deslagging air inlet pipe 4 after entering slag bucket 3 in order to avoid lime-ash,
As it is shown on figure 3, be provided with lime-ash mozzle 5 in slag bucket 3, one end of this lime-ash mozzle 5 with
Lime-ash entrance on slag bucket 3 connects, and the other end extends downward the bottom of slag bucket 3, thus will
The lime-ash entered in slag bucket 3 is introduced directly into the bottom to slag bucket 3, it is to avoid lime-ash is in slag bucket 3
Wall or exhaustor diffusion, thus the beneficially lime-ash stable whereabouts in slag bucket 3.Wherein, at slag
In the case of arranging lime-ash mozzle 5 in bucket 3, in order to gasifying agent is uniformly passed through by slag bucket 3
In scum pipe 2, the sidewall of lime-ash mozzle 5 offers multiple passage 6, in slag bucket 3
Gasifying agent can be in thus passage 6 enters lime-ash mozzle 5, and along lime-ash mozzle 5 to row
Slag pipe 2 flows, in order to ensure gasifying agent even in scum pipe 2, multiple passages are along ash
The sidewall of slag mozzle 5 is axially uniformly arranged.
Wherein, the cross sectional shape of lime-ash mozzle 5 can be circle, triangle, square etc.,
It is not specifically limited at this.But, in order to reduce abrasion, the preferably cross section of deslagging air inlet pipe 4
Generally circular in shape, compared to other cross sectional shapes, the deslagging air inlet pipe 4 of circular cross-section is circumferentially
Uniform stressed, circulating resistance is less.
It addition, the diameter of lime-ash mozzle 5 can be with the equal diameters of scum pipe 2, it is also possible to
Slightly larger than the diameter of scum pipe 2, it is not specifically limited at this.
Furthermore, the quantity of passage 6 can be 2,3,7 etc., does not does at this
Concrete restriction.And multiple passage 6 can be in the single-row sidewall one being arranged in lime-ash mozzle 5
In week, it is also possible to be arranged in array in the sidewall one week of lime-ash mozzle 5, do not do at this and specifically limit
It is fixed, as long as passage 6 is uniformly distributed along the sidewall of lime-ash mozzle 5 for one week.Wherein,
When multiple passages 6 are arranged in array in the sidewall one week of lime-ash mozzle 5, can be with array
The sidewall of a certain default pipeline section being arranged in lime-ash mozzle 5 one week, it is also possible to array is in whole
The sidewall of individual lime-ash mozzle 5 one week, is not specifically limited at this.Wherein, default pipeline section can
Think the epimere of lime-ash mozzle 5, stage casing or hypomere, be not specifically limited at this.It addition,
The passage 6 distribution mode on lime-ash mozzle 5 sidewall can be equilateral triangle distribution, also
Can be square profile, be not specifically limited at this, but, in order to by these multiple ventilations
It is equilateral triangle that hole 6 realizes uniform gas distribution, the preferably distribution mode of passage 6.
In the above-described embodiments, preferably a diameter of 3～6 millimeters of passage 6, when passage 6
Diameter less than 3 millimeters time, the diameter of passage 6 is less, and the number of openings is more, makes multiple
Miscellaneous；When the diameter of passage 6 is more than 6 millimeters, being relatively large in diameter of passage 6, number of aperture
Measure less, be unfavorable for uniform gas distribution.
In order to prevent the lime-ash blocking passage 6 in lime-ash mozzle 5, it is preferred that gasifying agent
Speed when entering in lime-ash mozzle 5 by passage 6 is more than 3 meter per seconds, and gasifying agent exists
Time in this velocity interval, block up in can preventing the lime-ash in lime-ash mozzle 5 from entering passage 6
Plug passage 6.
In order to enable the gasifying agent of entrance lime-ash mozzle 5 largely along lime-ash water conservancy diversion
Pipe 5 flows up, for controlling deslagging speed, and with high-temperature ash counter current contacting with cooling
Lime-ash, it is preferred that as shown in Figure 6, the outlet of passage 6 connects towards lime-ash mozzle 5
The side of scum pipe, thus, when gasifying agent enters lime-ash mozzle 5 by passage 6,
Can eject to the side of connection scum pipe, thus make gasifying agent largely along lime-ash water conservancy diversion
Pipe 5 and scum pipe flow in gasification furnace, for controlling deslagging speed, and and high-temperature ash
Counter current contacting is to cool down lime-ash.Example, the outlet of passage 6 towards with lime-ash mozzle 5
Angle theta between inwall can be 45 °.
It is passed through in lime-ash mozzle 5 by passage 6 in order to gasifying agent is concentrated, it is to avoid will gasification
The space bigger in being passed through slag bucket 3 of agent is to cause cold to waste, it is preferred that as it is shown on figure 3,
Outer wall around lime-ash mozzle 5 is provided with seal closure 7 for one week, and multiple passages 6 are respectively positioned on close
In sealing cover 7, the outlet side of deslagging air inlet pipe 4 and seal closure 7 are internal to be connected, from there through
A relatively small sealing cavity is formed to incite somebody to action between seal closure 7 and lime-ash mozzle 5 outer wall
Gasifying agent is concentrated and is sent in lime-ash mozzle 5 by passage 6, it is to avoid the waste of cold, with
Time this seal cavity also gasifying agent can be played cushioning effect to realize uniform air inlet.
In an embodiment as illustrated in figure 3, it is arranged in slag bucket due to the middle part of deslagging air inlet pipe 4
On the sidewall of 3, and inlet end is connected on the housing of seal closure 7, therefore to prevent heat swollen
Swollen cause deslagging air inlet pipe 4 to deform even to damage, it is preferred that be positioned at slag bucket 3 inwall and sealing
Covering in the deslagging air inlet pipe 4 between 7 outer walls and be serially connected with expansion joint, it is swollen that this expansion joint can eliminate heat
Swollen impact.
In order to cool down lime-ash further, fluidized gasification device can be made as tying as shown in Figure 3
Structure, the most also includes chilling device 8, and this chilling device 8 can spray in lime-ash mozzle 5 and swash
Cold water, can cool down rapidly lime-ash, and supervene steam when this chilled water contacts with lime-ash,
This steam can enter gasification furnace 1 internal reference as gasifying agent along lime-ash mozzle 5 and scum pipe 2
With gasification reaction.
Concrete, chilling device 8 can include the ring arranged for a week along lime-ash mozzle 5 inwall
Pipe 81, this endless tube 81 is uniformly provided with multiple spray orifice (not shown), and endless tube 81 is even
Being connected to charging device 82, this charging device 82 is used for being filled with chilled water in endless tube 81, this
Chilled water can be ejected to cool down lime-ash by multiple spray orifices, owing to endless tube 81 is along lime-ash mozzle
The inwall of 5 is arranged for one week, and multiple spray orifice is uniformly arranged on endless tube 81, thus can make to swash
Cold water can cool down lime-ash equably.
In order to make chilled water cool down lime-ash largely, avoid because of the chilled water mistake of injection simultaneously
Many and make chilled water drench lime-ash and make lime-ash bonding, it is preferred that as it is shown on figure 3, in slag bucket 3
It is provided with temperature detecting unit (not shown), is used for detecting ash temperature, temperature detection list
Unit, charging device 82 are all connected with control unit (not shown), and control unit can root
According to the testing result of temperature detecting unit, control the size of the filling amount of charging device 82, tool
The control process of body can be: when temperature detecting unit detects that the temperature of lime-ash is more than presetting threshold
During value, can control to increase the filling amount of charging device 82, to reduce the temperature of lime-ash；Work as temperature
When degree detector unit detects the temperature of lime-ash equal to predetermined threshold value, can be by charging device 82
Filling amount is stable at current state, to prevent too much chilled water from drenching lime-ash.
In order to uniformly and quickly cool down lime-ash, it is preferred that endless tube 81 is multiple, multiple endless tubes
81 are uniformly arranged along the bearing of trend of lime-ash mozzle 5, from there through multiple endless tubes 81 simultaneously
Injection chilled water, uniformly and quickly to cool down lime-ash.
Wherein, multiple endless tubes 81 can arrange multiple charging device 82 with one_to_one corresponding, it is also possible to
Arranging a charging device 82, multiple endless tubes 81 are connected with this charging device 82 simultaneously,
This is not specifically limited.
It addition, charging device 82 can be made as structure as shown in Figure 3 or Figure 4, i.e. bag
Include feed tube 821, one end connection chilled water feedway (not shown) of feed tube 821,
Chilled water feedway is used for supplying chilled water, other end connection endless tube 81, feed tube 821
In be serially connected with charging pump (not shown), can be by chilled water feedway by this charging pump
In chilled water be filled with to endless tube 81 along feed tube.This simple in construction, easily realizes.Tool
Body, charging pump can be dosing pump.
In order to prevent the lime-ash blocking spray orifice in lime-ash mozzle 5, it is preferred that chilled water is by spraying
The speed during ejection of hole, more than 3 meter per seconds, when chilled water is in this velocity interval, can prevent ash
Spray orifice is blocked in lime-ash in slag mozzle 5 enters spray orifice.
In order to avoid lime-ash in slag bucket 3 local accumulation and cause deslagging difficulty, it is preferred that as
Shown in Fig. 3 or Fig. 4, lime-ash mozzle 5 stretches into the one end bottom slag bucket 3 and is provided with enlarging 10,
Lime-ash dispersibles, by after this enlarging 10, the bottom falling to slag bucket 3, thus avoid lime-ash
Bottom slag bucket 3, produce local accumulation and cause deslagging difficulty.
In the prior art shown in Fig. 1, fluidized gasification device the most also includes central jet
Pipe 08, central jet pipe 08 is positioned at scum pipe 02, and is positioned at the upper of deslagging air inlet pipe 04
Side, in scum pipe 02 under the washing away of high-temperature gas-solid stream, easily produces erosive wear, especially
It is the bending part of central jet pipe 05, weares and teares the most serious.In order to avoid the problems referred to above,
As shown in Figure 4, it is preferred that fluidized gasification device also includes central jet pipe 9, and center is penetrated
Flow tube 9 is for being passed through gasifying agent in gasification furnace 1, and central jet pipe 9 includes the first pipeline section
91 and second pipeline section 92, the first pipeline section 91 is arranged on the housing of slag bucket 3, the second pipeline section
92 be positioned at scum pipe 2 and lime-ash mozzle 5, the first pipeline section 91 and the second pipeline section 92 it
Between formed kink 93, the lower section of the passage 6 that kink 93 is positioned on lime-ash mozzle 5,
Thus avoid gas-solid flow and kink 93 is produced erosive wear.
In the description of this specification, specific features, structure, material or feature can be any
One or more embodiments or example combine in an appropriate manner.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is also
Being not limited to this, any those familiar with the art is at the technology model that the invention discloses
In enclosing, change can be readily occurred in or replace, all should contain within protection scope of the present invention.
Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (10)
1. a fluidized gasification device, it is characterised in that include gasification furnace, described gasification furnace
Connecting and have scum pipe, described scum pipe connects slag bucket, and described slag bucket is equipped with at least one
Deslagging air inlet pipe, described deslagging air inlet pipe is positioned at the top of described slag bucket lime-ash, is used for being passed through
Gasifying agent, described gasifying agent can be entered described scum pipe by described slag bucket and enter along described scum pipe
Enter described gasification furnace, to control the deslagging speed of described gasification furnace and to cool down lime-ash.
Fluidized gasification device the most according to claim 1, it is characterised in that described slag
Being provided with lime-ash mozzle in bucket, one end of described lime-ash mozzle enters with the lime-ash on described slag bucket
Mouth connects, and the other end extends downward the bottom of described slag bucket, the sidewall of described lime-ash mozzle
On offer multiple passage.
Fluidized gasification device the most according to claim 2, it is characterised in that around institute
The outer wall stating lime-ash mozzle is provided with seal closure for one week, and multiple described passages are along lime-ash mozzle
Axially it is uniformly distributed and is respectively positioned in described seal closure, the outlet side of described deslagging air inlet pipe and institute
State the internal connection of seal closure.
Fluidized gasification device the most according to claim 2, it is characterised in that also include
Chilling device, described chilling device can spray chilled water in described lime-ash mozzle.
Fluidized gasification device the most according to claim 4, it is characterised in that described sharp
Device for cooling includes the endless tube arranged for a week along described lime-ash mozzle inwall, on described endless tube uniformly
Being provided with multiple spray orifice, described endless tube connects charging device, and described charging device is for described
Being filled with chilled water in endless tube, described chilled water can be ejected by multiple described spray orifices.
Fluidized gasification device the most according to claim 5, it is characterised in that described slag
It is provided with temperature detecting unit in bucket, is used for detecting ash temperature, described temperature detecting unit, institute
Stating charging device to be all connected with control unit, described control unit can be according to described temperature detection list
The testing result of unit, controls the size of the filling amount of described charging device.
Fluidized gasification device the most according to claim 5, it is characterised in that described ring
Pipe is for multiple, and multiple described endless tubes are uniformly arranged along the bearing of trend of described lime-ash mozzle.
Fluidized gasification device the most according to claim 5, it is characterised in that described sharp
Speed when cold water is sprayed by described spray orifice is more than 3 meter per seconds.
Fluidized gasification device the most according to claim 2, it is characterised in that described ash
One end that slag mozzle stretches into bottom described slag bucket is provided with enlarging.
Fluidized gasification device the most according to claim 2, it is characterised in that also wrap
Including central jet pipe, described central jet pipe is used for being passed through gasifying agent in described gasification furnace, institute
State central jet pipe and include that the first pipeline section and the second pipeline section, described first pipeline section are arranged in described slag
On the housing of bucket, described second pipeline section is positioned at described scum pipe and described lime-ash mozzle, institute
Stating formation kink between the first pipeline section and described second pipeline section, described bending part is in described ash
The lower section of the described passage on slag mozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430769.6A CN105950222B (en) | 2016-06-16 | 2016-06-16 | A kind of fluidized gasification device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610430769.6A CN105950222B (en) | 2016-06-16 | 2016-06-16 | A kind of fluidized gasification device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105950222A true CN105950222A (en) | 2016-09-21 |
| CN105950222B CN105950222B (en) | 2019-08-02 |
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| CN201610430769.6A Active CN105950222B (en) | 2016-06-16 | 2016-06-16 | A kind of fluidized gasification device |
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| CN110387267A (en) * | 2018-04-17 | 2019-10-29 | 中国科学院工程热物理研究所 | Bottom ash treatment device and bottom ash treatment method for fluidized-bed gasification furnace |
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