CN105950222B - A kind of fluidized gasification device - Google Patents
A kind of fluidized gasification device Download PDFInfo
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- CN105950222B CN105950222B CN201610430769.6A CN201610430769A CN105950222B CN 105950222 B CN105950222 B CN 105950222B CN 201610430769 A CN201610430769 A CN 201610430769A CN 105950222 B CN105950222 B CN 105950222B
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- ash
- lime
- pipe
- slag bucket
- deslagging
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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
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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
- 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
Abstract
The present invention discloses a kind of fluidized gasification device, is related to Coal Gasification Technology field.To solve the problems, such as that existing ash cooling device is easy to cause deslagging exception or cooling uniformity lower and invent.Fluidized gasification device of the invention includes gasification furnace, the gasification furnace is connected with scum pipe, the scum pipe is connected with slag bucket, at least one deslagging air inlet pipe is equipped on the slag bucket, the deslagging air inlet pipe is located at the top of lime-ash in the slag bucket, for being passed through gasifying agent, the gasifying agent can be entered the scum pipe by the slag bucket and enter the gasification furnace along the scum pipe, to control the deslagging speed and cooling lime-ash of the gasification furnace.Fluidized gasification device of the present invention can be used for preventing deslagging exception, while improve cooling uniformity.
Description
Technical field
The present invention relates to Coal Gasification Technology field more particularly to a kind of fluidized gasification devices.
Background technique
In Coal Gasification Technology field, fluidized gasification device can produce high-temperature ash, transport in order to avoid this lime-ash damages
Transfer device, or operator is damaged, cooling treatment need to be carried out to the high-temperature ash of fluidisation bed gasifying apparatus discharge.
Exemplary, a kind of cooling treatment method in the prior art is cold for the lime-ash that fluidized gasification device is discharged to be passed through
But it is cooled down in device, as shown in Figure 1, fluidized gasification device includes gasification furnace 01, gasification furnace 01 is connected with scum pipe 02, row
Slag pipe 02 is connected with slag bucket 03, and the lime-ash generated after gasification reaction occurs in gasification furnace 01 for coal dust to fall into slag through scum pipe 02
In bucket 03, deslagging air inlet pipe 04 is equipped on the side wall of scum pipe 02, deslagging air inlet pipe 04 can be passed through to gas into scum pipe 02
Change the gas that furnace 01 flows, to control the deslagging speed of gasification furnace 01.In order to realize the cooling of lime-ash, the slag-drip opening of slag bucket 03
031 is connected with cooler 05, and cooler 05 can realize the cooling of lime-ash, and lime-ash after cooling can be by the discharge port 06 of cooler 05
Discharge.Wherein, the structure of cooler 05 can be as shown in Fig. 2, referring to Fig. 2, and cooler 05 includes shell 051, on shell 051
Equipped with feed inlet 07 and discharge port 06, it is equipped with screw rod 052 in shell 051, one end of screw rod 052 is connected with driving motor 053, drives
Dynamic motor 053 can drive the rotation of screw rod 052 to push to discharge port 06 with the lime-ash for entering feed inlet 07 and be discharged, shell 051
Outer wall is arranged with cooling tube 054, and circulation has been passed through cooling water in cooling tube 054, and screw rod 052 includes hollow shaft 0521, hollow
Circulation has been passed through cooling water in axis 0521, during thus lime-ash transmits in spiral cooler, can with 051 inner wall of shell with
And 0521 outer wall of hollow shaft carries out heat exchange to cool down lime-ash.But this cooler is in cooling high-temperature ash, in gasification furnace 01
High temperature and high pressure gas can enter in cooler together with lime-ash, in the internal environment of high temperature and pressure, each interconnecting piece of cooler
Leakage is easy to happen at the sealing of position, and high temperature is easy to drive by being transferred to driving motor 053 at screw rod 052 or this leakage
Dynamic motor 053 is easy failure under high temperature environment, is easy to appear mechanical breakdown and can not work normally, thus leads to fluidized bed gas
Deslagging exception is set in makeup.
Again exemplary, another kind cooling treatment method in the prior art is not use cooler 05, directly by Fig. 1
Deslagging air inlet pipe 04 is passed through gasifying agent with lime-ash cooling while controlling the deslagging speed of gasification furnace 01.Due to not using band machine
The cooler of tool moving component, therefore can avoid gasifying due to leakage of cooler and mechanical breakdown at high temperature under high pressure
The situation of system deslagging exception.But since the diameter of scum pipe 02 is relatively small, gasifying agent enters in scum pipe 02 also
Be not implemented and be uniformly distributed and just entered in gasification furnace 01 by scum pipe 02, thus by gasifying agent cool down the uniformity of lime-ash compared with
It is low, therefore cooling effect is poor.
Summary of the invention
The present invention provides a kind of fluidized gasification device, can be avoided at high temperature under high pressure due to leakage of cooler and machine
Tool failure and the situation for leading to deslagging exception, while can be improved the cooling uniformity of lime-ash, improve cooling effect.
In order to achieve the above objectives, the present invention provides a kind of fluidized gasification device, including gasification furnace, the gasification furnace connects
Be connected to scum pipe, the scum pipe is connected with slag bucket, be equipped at least one deslagging air inlet pipe on the slag bucket, the deslagging into
Tracheae is located at the top of lime-ash in the slag bucket, and for being passed through gasifying agent, the gasifying agent can enter the row by the slag bucket
Slag pipe simultaneously enters the gasification furnace along the scum pipe, to control the deslagging speed and cooling lime-ash of the gasification furnace.
The lime-ash generated after gasification reaction occurs in gasification furnace for a kind of fluidized gasification device provided by the invention, coal dust
It falls into slag bucket along scum pipe, is cooled down since gasification installation is passed through gasifying agent using deslagging air inlet pipe, it is not mechanical using band
The cooler of moving component, therefore can avoid occurring gasification system due to leakage of cooler and mechanical breakdown at high temperature under high pressure
The situation for deslagging exception of uniting.Simultaneously as the gas that deslagging air inlet pipe is passed through initially enter slag bucket and after slag bucket buffers again
Into in scum pipe, the inner space of slag bucket is larger, it can be achieved that gas is uniformly distributed, therefore the gas into scum pipe can be improved
The uniformity of agent, enables lime-ash uniformly to be cooled down.Moreover, gasifying agent by slag bucket enter after scum pipe again along scum pipe into
Enter gasification furnace, compared with the prior art in directly enter the scheme of gasification furnace by scum pipe, cooling path is longer, and cooling effect is more
It is excellent.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the attachment structure schematic diagram of prior art fluidized gasification device and cooler；
Fig. 2 is the structural schematic diagram of prior art cooler；
Fig. 3 is the first structural schematic diagram of fluidized gasification of embodiment of the present invention device；
Fig. 4 is second of structural schematic diagram of fluidized gasification of embodiment of the present invention device；
Fig. 5 is the structural schematic diagram of the middle section Fig. 3 A-A；
Fig. 6 is that open up position of the venthole on lime-ash diversion pipe side wall shows in fluidized gasification of embodiment of the present invention device
It is intended to.
Wherein: 1- gasification furnace, 2- scum pipe, 3- slag bucket, 4- deslagging air inlet pipe, 5- lime-ash diversion pipe, 6- ventilation
Hole, 7- seal closure, 8- chilling device, 81- endless tube, 82- charging device, 821- inlet tube, 10- flaring, 9- are penetrated at center
Flow tube, the first pipeline section of 91-, the second pipeline section of 92-, 93- bending part.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that, term " center ", "upper", "lower", "front", "rear", " left side ",
The orientation or positional relationship of the instructions such as " right side ", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on the figure
Orientation or positional relationship is merely for convenience of description of the present invention and simplification of the description, rather than the device of indication or suggestion meaning or
Element must have a particular orientation, be constructed and operated in a specific orientation, therefore be not considered as limiting the invention.?
In description of the invention, unless otherwise indicated, the meaning of " plurality " is two or more.
It is a specific embodiment of fluidized gasification of embodiment of the present invention device, the stream of the present embodiment referring to Fig. 3, Fig. 3
Changing bed gasifying apparatus includes gasification furnace 1, and the gasification furnace 1 is connected with scum pipe 2, and the scum pipe 2 is connected with slag bucket 3, described
At least one deslagging air inlet pipe 4 is equipped on slag bucket 3, the deslagging air inlet pipe 4 is located at the top of lime-ash in the slag bucket 3, uses
In being passed through gasifying agent, the gasifying agent can be entered the scum pipe 2 by the slag bucket 3 and enter the gas along the scum pipe 2
Change furnace 1, to control the deslagging speed and cooling lime-ash of the gasification furnace 1.
The ash generated after gasification reaction occurs in gasification furnace 1 for a kind of fluidized gasification device provided by the invention, coal dust
Slag is fallen into slag bucket 3 along scum pipe 2, is cooled down since gasification installation is passed through gasifying agent using deslagging air inlet pipe 4, does not use band
The cooler of mechanical moving element, therefore can avoid gas occur due to leakage of cooler and mechanical breakdown at high temperature under high pressure
The situation of change system deslagging exception.Simultaneously as the gas that deslagging air inlet pipe 4 is passed through initially enters slag bucket 3 and delays by slag bucket 3
It is entered back into after punching in scum pipe 2, the inner space of slag bucket 3 is larger, it can be achieved that gas is uniformly distributed, therefore can be improved into row
The uniformity of the gasifying agent of slag pipe 2, enables lime-ash uniformly to be cooled down.Moreover, after gasifying agent enters scum pipe 2 by slag bucket 3
Enter gasification furnace 1 along scum pipe 2 again, compared with the prior art in directly enter the scheme of gasification furnace 1, cooling road by scum pipe 2
Diameter 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, rectangular etc., do not do have herein
Body limits.But in order to reduce abrasion, the preferably cross sectional shape of scum pipe 2 is circle, round compared to other cross sectional shapes
Circumferentially uniform stressed, abrasion are smaller for the scum pipe 2 in section.
Similarly, the cross sectional shape of deslagging air inlet pipe 4 can be circle, triangle, rectangular etc., not do specific limit herein
It is fixed.But in order to reduce abrasion, the preferably cross sectional shape of deslagging air inlet pipe 4 is circle, round compared to other cross sectional shapes
The deslagging air inlet pipe 4 in section circumferentially uniform stressed, stress is preferable, without in addition increasing support, and inner wall smooth, circulation
Resistance is smaller.
In the embodiment shown in fig. 3, the quantity of deslagging air inlet pipe 4 can be one, or more, not do herein
It is specific to limit.
In the embodiment shown in fig. 3, in order to which the gasifying agent for being passed through deslagging air inlet pipe 4 is uniformly distributed in ash in slag bucket 3
The upper space of slag, it is preferred that as shown in figure 5, deslagging air inlet pipe 4 is more, more deslagging air inlet pipe 4 surround the one of slag bucket 3
Week is uniformly arranged, the deslagging air inlet pipe 4 being uniformly arranged from there through more air inlet simultaneously, improves empty above lime-ash in slag bucket 3
Between the uniformity of middle gasifying agent distribution make ash to further improve the distributing homogeneity into the gasifying agent in scum pipe 2
Slag is uniformly cooled down.
Wherein, the quantity of deslagging air inlet pipe 4 can be odd number, or even number is not specifically limited herein, as long as logical
Gasifying agent can be uniformly passed through into slag bucket 3 by crossing this multiple deslagging air inlet pipe 4.
It is spread after entering slag bucket 3 in order to avoid lime-ash to 3 inner wall of slag bucket or deslagging air inlet pipe 4, as shown in figure 3, in slag bucket 3
Equipped with lime-ash diversion pipe 5, one end of this lime-ash diversion pipe 5 is connect with the lime-ash entrance on slag bucket 3, and the other end extends downward into slag
Thus the lime-ash entered in slag bucket 3 is introduced directly into the bottom of slag bucket 3 by the bottom of bucket 3, avoid lime-ash to 3 inner wall of slag bucket or
Exhaust pipe diffusion is fallen to be conducive to lime-ash stablizing in slag bucket 3.Wherein, the feelings of lime-ash diversion pipe 5 are set in slag bucket 3
Under condition, in order to which gasifying agent to be uniformly passed through in scum pipe 2 by slag bucket 3, the side wall of lime-ash diversion pipe 5 offers multiple ventholes 6,
Thus gasifying agent in slag bucket 3 venthole 6 can enter in lime-ash diversion pipe 5, and flow along lime-ash diversion pipe 5 to scum pipe 2, be
Even into scum pipe 2, multiple ventholes are axially uniformly arranged guarantee gasifying agent along the side wall of lime-ash diversion pipe 5.
Wherein, the cross sectional shape of lime-ash diversion pipe 5 can be circle, triangle, rectangular etc., not do specific limit herein
It is fixed.But in order to reduce abrasion, the preferably cross sectional shape of deslagging air inlet pipe 4 is circle, round compared to other cross sectional shapes
Circumferentially uniform stressed, circulating resistance are smaller for the deslagging air inlet pipe 4 in section.
In addition, the diameter of lime-ash diversion pipe 5 can be equal with the diameter of scum pipe 2, it can also be straight slightly larger than scum pipe 2
Diameter is not specifically limited herein.
Furthermore the quantity of venthole 6 can be 2,3,7 etc., be not specifically limited herein.And multiple ventholes
6 can be in the single-row side wall for being arranged in lime-ash diversion pipe 5 one week, can also be arranged in array in the side wall one of lime-ash diversion pipe 5
It is not specifically limited herein in week, as long as being uniformly distributed for side wall one week along lime-ash diversion pipe 5 of venthole 6.Wherein, when more
A venthole 6 is arranged in array when side wall one week of lime-ash diversion pipe 5, certain in lime-ash diversion pipe 5 can be set to array
The side wall of one default pipeline section one week can also be not specifically limited herein with array in side wall one week of entire lime-ash diversion pipe 5.
Wherein, default pipeline section can be upper section, middle section or the lower section of lime-ash diversion pipe 5, be not specifically limited herein.In addition, ventilation
Distribution mode of the hole 6 on 5 side wall of lime-ash diversion pipe can be distributed for equilateral triangle, or square profile, herein not
It is specifically limited, still, in order to realize uniform gas distribution by this multiple venthole 6, the distribution mode of preferably venthole 6 is positive three
It is angular.
In the above-described embodiments, preferably the diameter of venthole 6 is 3~6 millimeters, when the diameter of venthole 6 is less than 3 millimeters
When, the diameter of venthole 6 is smaller, and the number of openings is more, and production is complicated；When the diameter of venthole 6 is greater than 6 millimeters, venthole 6
Be relatively large in diameter, the number of openings is less, is unfavorable for uniform gas distribution.
The lime-ash in lime-ash diversion pipe 5 blocks venthole 6 in order to prevent, it is preferred that gasifying agent enters ash by venthole 6
Speed when in slag diversion pipe 5 is greater than 3 meter per seconds, when gasifying agent is in this velocity interval, can prevent the ash in lime-ash diversion pipe 5
Slag enters in venthole 6 and blocks venthole 6.
In order to enable the gasifying agent into lime-ash diversion pipe 5 largely to flow up along lime-ash diversion pipe 5, with
In control deslagging speed, and with high-temperature ash counter current contacting to cool down lime-ash, it is preferred that as shown in fig. 6, the outlet of venthole 6
The side of scum pipe is connected to towards lime-ash diversion pipe 5, it, can as a result, when gasifying agent enters lime-ash diversion pipe 5 by venthole 6
It is ejected to the side of connection scum pipe, gasifying agent is thus made largely to flow into gas along lime-ash diversion pipe 5 and scum pipe
Change in furnace, to be used to control deslagging speed, and with high-temperature ash counter current contacting to cool down lime-ash.It is exemplary, the outlet of venthole 6
Direction can be 45 ° with the angle theta between 5 inner wall of lime-ash diversion pipe.
In order to by gasifying agent concentration be passed through in lime-ash diversion pipe 5 by venthole 6, avoid for gasifying agent being passed through in slag bucket 3 compared with
Big space is to cause cooling capacity to waste, it is preferred that as shown in figure 3, outer wall one week around lime-ash diversion pipe 5 is equipped with seal closure 7,
Multiple ventholes 6 are respectively positioned in seal closure 7, are connected to inside the outlet side of deslagging air inlet pipe 4 and seal closure 7, from there through close
A relatively small seal cavity is formed between 5 outer wall of sealing cover 7 and lime-ash diversion pipe to send gasifying agent concentration by venthole 6
Enter in lime-ash diversion pipe 5, avoids the waste of cooling capacity, while this seal cavity can also play buffer function to gasifying agent to realize
Uniform air inlet.
In an embodiment as illustrated in figure 3, it is arranged in due to the middle part of deslagging air inlet pipe 4 on the side wall of slag bucket 3, and air inlet
End is connected on the shell of seal closure 7, therefore thermal expansion causes the deformation of deslagging air inlet pipe 4 even to damage in order to prevent, it is preferred that
It is serially connected with expansion joint in deslagging air inlet pipe 4 between 7 outer wall of 3 inner wall of slag bucket and seal closure, it is swollen that this expansion joint can eliminate heat
Swollen influence.
In order to further cool down lime-ash, it further includes Quench that fluidized gasification device, which can be made as structure as shown in Figure 3,
Device 8, this chilling device 8 can spray chilled water into lime-ash diversion pipe 5, this chilled water and lime-ash can cool down rapidly ash when contacting
Slag, and vapor is supervened, this vapor can be used as gasifying agent and enter 1 internal reference of gasification furnace along lime-ash diversion pipe 5 and scum pipe 2
With gasification reaction.
Specifically, chilling device 8 may include the endless tube 81 along setting in 5 inner wall of lime-ash diversion pipe one week, on this endless tube 81
Multiple spray orifice (not shown)s are uniformly provided with, endless tube 81 is connected with charging device 82, this charging device 82 is used for endless tube 81
It is inside filled with chilled water, this chilled water can be ejected by multiple spray orifices to cool down lime-ash, since endless tube 81 is along lime-ash diversion pipe 5
It is arranged within wall one week, and multiple spray orifices are uniformly arranged on endless tube 81, chilled water thus can be enable equably to cool down lime-ash.
In order to make chilled water largely cool down lime-ash, while avoiding beating chilled water because of the Quench dilutional hyponatremia of injection
Wet lime-ash is bonded lime-ash, it is preferred that as shown in figure 3, temperature detecting unit (not shown) is equipped in slag bucket 3, for examining
Ash temperature is surveyed, temperature detecting unit, charging device 82 are connect with control unit (not shown), and control unit can basis
The testing result of temperature detecting unit, controls the size of the filling amount of charging device 82, and specific control process can be with are as follows: works as temperature
When degree detection unit detects that the temperature of lime-ash is greater than preset threshold, the filling amount for increasing charging device 82 can control, to reduce
The temperature of lime-ash；It, can be by the filling liquid of charging device 82 when temperature detecting unit detects the temperature of lime-ash equal to preset threshold
Amount is stable at current state, to prevent excessive chilled water from drenching lime-ash.
In order to uniformly and quickly cool down lime-ash, it is preferred that endless tube 81 be it is multiple, multiple endless tubes 81 are along lime-ash diversion pipe 5
Extending direction is uniformly arranged, and chilled water is sprayed simultaneously from there through multiple endless tubes 81, uniformly and quickly to cool down lime-ash.
Wherein, multiple endless tubes 81 can be arranged in a one-to-one correspondence multiple charging devices 82, and a charging device also can be set
82, multiple endless tubes 81 are connect with this charging device 82 simultaneously, are not specifically limited herein.
In addition, charging device 82 can be made as structure as shown in Figure 3 or Figure 4, that is, including inlet tube 821, inlet tube
821 one end is connected to Quench water feeder (not shown), and Quench water feeder connects for supplying chilled water, the other end
Logical endless tube 81 is serially connected with charging pump (not shown) in inlet tube 821, can will be in Quench water feeder by this charging pump
Chilled water be filled with along inlet tube to endless tube 81.This structure is simple, easy to accomplish.Specifically, charging pump can be metering pump.
The lime-ash in lime-ash diversion pipe 5 blocks spray orifice in order to prevent, it is preferred that speed when chilled water is sprayed by spray orifice is big
In 3 meter per seconds, when chilled water is in this velocity interval, it can prevent the lime-ash in lime-ash diversion pipe 5 from entering in spray orifice and blocking spray
Hole.
In order to avoid lime-ash in slag bucket 3 local accumulation and cause deslagging difficult, it is preferred that as shown in Figure 3 or Figure 4, ash
One end that slag diversion pipe 5 protrudes into 3 bottom of slag bucket is equipped with flaring 10, and lime-ash falls to slag bucket 3 by can be dispersed after this flaring 10
Bottom thus avoids lime-ash and generates local accumulation in 3 bottom of slag bucket and cause deslagging difficult.
It is shown in Fig. 1 in the prior art, fluidized gasification device also typically includes central jet pipe 08, central jet pipe
08 is located in scum pipe 02, and is located at the top of deslagging air inlet pipe 04, in scum pipe 02 under the washing away of high-temperature gas-solid stream, is easy
Erosive wear, the especially bending part of central jet pipe 05 are generated, is worn the most serious.In order to avoid the above problem, such as Fig. 4
It is shown, it is preferred that fluidized gasification device further includes central jet pipe 9, and central jet pipe 9 is for being passed through gas into gasification furnace 1
Agent, central jet pipe 9 include the first pipeline section 91 and the second pipeline section 92, and the first pipeline section 91 is arranged on the shell of slag bucket 3, and second
Pipeline section 92 is located in scum pipe 2 and lime-ash diversion pipe 5, and bending part 93, bending are formed between the first pipeline section 91 and the second pipeline section 92
Portion 93 is located at the lower section of the venthole 6 on lime-ash diversion pipe 5, thus avoids gas-solid flow and generates erosive wear to bending part 93.
In the description of this specification, particular features, structures, materials, or characteristics can be real in any one or more
Applying can be combined in any suitable manner in example or example.
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
Those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, and should all contain
Lid is within protection scope of the present invention.Therefore, protection scope of the present invention should be based on the protection scope of the described claims.
Claims (9)
1. a kind of fluidized gasification device, which is characterized in that including gasification furnace, the gasification furnace is connected with scum pipe, the row
Slag pipe is connected with slag bucket, and at least one deslagging air inlet pipe is equipped on the slag bucket, and the deslagging air inlet pipe is located at the slag bucket
The top of interior lime-ash, for being passed through gasifying agent, the gasifying agent can be entered the scum pipe by the slag bucket and along the deslagging
Pipe enters the gasification furnace, interior equipped with lime-ash water conservancy diversion with the deslagging speed and cooling lime-ash, the slag bucket that control the gasification furnace
Pipe, one end of the lime-ash diversion pipe are connect with the lime-ash entrance on the slag bucket, and the other end extends downward into the slag bucket
Bottom offers multiple ventholes on the side wall of the lime-ash diversion pipe.
2. fluidized gasification device according to claim 1, which is characterized in that around the outer wall one of the lime-ash diversion pipe
Week is equipped with seal closure, and multiple ventholes are axially uniformly distributed along lime-ash diversion pipe and are respectively positioned in the seal closure, described
It is connected to inside the outlet side of deslagging air inlet pipe and the seal closure.
3. fluidized gasification device according to claim 1, which is characterized in that it further include chilling device, the Quench dress
Chilled water can be sprayed into the lime-ash diversion pipe by setting.
4. fluidized gasification device according to claim 3, which is characterized in that the chilling device includes along the lime-ash
The endless tube of setting in water conservancy diversion inside pipe wall one week is uniformly provided with multiple spray orifices on the endless tube, and the endless tube is connected with charging device, institute
Charging device is stated for being filled with chilled water into the endless tube, the chilled water can be ejected by multiple spray orifices.
5. fluidized gasification device according to claim 4, which is characterized in that be equipped with temperature detection list in the slag bucket
Member, for detecting ash temperature, the temperature detecting unit, the charging device are connect with control unit, and the control is single
Member can control the size of the filling amount of the charging device according to the testing result of the temperature detecting unit.
6. fluidized gasification device according to claim 4, which is characterized in that the endless tube is multiple, multiple rings
Pipe is uniformly arranged along the extending direction of the lime-ash diversion pipe.
7. fluidized gasification device according to claim 4, which is characterized in that when the chilled water is sprayed by the spray orifice
Speed be greater than 3 meter per seconds.
8. fluidized gasification device according to claim 1, which is characterized in that the lime-ash diversion pipe protrudes into the slag bucket
One end of bottom is equipped with flaring.
9. fluidized gasification device according to claim 1, which is characterized in that further include central jet pipe, the center
For jet pipe for being passed through gasifying agent into the gasification furnace, the central jet pipe includes the first pipeline section and the second pipeline section, described
First pipeline section is arranged on the shell of the slag bucket, and second pipeline section is located in the scum pipe and the lime-ash diversion pipe,
Form bending part between first pipeline section and second pipeline section, the bending part is described on the lime-ash diversion pipe
The lower section of venthole.
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| CN201610430769.6A CN105950222B (en) | 2016-06-16 | 2016-06-16 | A kind of fluidized gasification device |
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| CN201610430769.6A CN105950222B (en) | 2016-06-16 | 2016-06-16 | A kind of fluidized gasification device |
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| CN105950222B true CN105950222B (en) | 2019-08-02 |
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| CN110387268A (en) * | 2018-04-17 | 2019-10-29 | 中国科学院工程热物理研究所 | Slag-draining device and Slagoff method for fluidized-bed gasification furnace |
| 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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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1400289A (en) * | 2001-08-08 | 2003-03-05 | 煤炭科学研究总院北京煤化学研究所 | Powdered coal fluidized bed gasification method and gasification furnace |
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| CN102476452A (en) * | 2010-11-29 | 2012-05-30 | 梁冠华 | Molding method of foamed polypropylene |
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