CN106439873A - Spiral deslagging device for boiler, and deslagging method - Google Patents
Spiral deslagging device for boiler, and deslagging method Download PDFInfo
- Publication number
- CN106439873A CN106439873A CN201611064104.4A CN201611064104A CN106439873A CN 106439873 A CN106439873 A CN 106439873A CN 201611064104 A CN201611064104 A CN 201611064104A CN 106439873 A CN106439873 A CN 106439873A
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- Prior art keywords
- slag
- cooling
- spiral
- waste residue
- boiler
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
- F23J1/06—Mechanically-operated devices, e.g. clinker pushers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/047—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag
- F28D1/0477—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being bent, e.g. in a serpentine or zig-zag the conduits being bent in a serpentine or zig-zag
Abstract
The invention discloses a spiral deslagging device for a boiler, and a deslagging method. The spiral deslagging device comprises a slag cooler and a spiral deslagging machine, wherein the slag cooler is provided with an inlet and an outlet; the inlet is connected with a deslagging port; the spiral deslagging machine comprises a shell, a spiral shaft and a cooling flow path for cooling waste slag in the shell; the shell is provided with a feeding port and a discharging port; the feeding port is connected with the outlet; the cooling flow path is provided with a cooling water inlet and a cooling water outlet; and the spiral shaft is rotatably arranged in the shell to convey the waste slag towards the discharging port. The spiral deslagging method comprises the following steps: discharging the waste slag discharged from the boiler into the slag cooler firstly and cooling for the first time; and discharging the waste slag cooled for the first time into the spiral deslagging machine, wherein the spiral deslagging machine comprises the spiral shaft and the cooling flow path, and the waste slag is pushed by the spiral shaft to move towards the discharging port of the spiral deslagging machine and to be cooled by the cooling flow path. The spiral deslagging device provided by the invention can reduce the temperature of the waste slag entering the spiral deslagging machine.
Description
Technical field
The present invention relates to boiler technology field, especially relate to a kind of spiral slag-draining device for boiler and deslagging side
Method.
Background technology
Usually, the waste residue temperature that boiler is discharged is higher.When deslagging is carried out to boiler using helical slag removing machine, to spiral
The high temperature resistant requirement of the helical axis of slag extractor and housing is higher, and the difficulty of processing of helical slag removing machine is larger, and processing cost is higher.Separately
Outward, when making housing especially helical axis temperature is too high if the warm sludge temperature discharged of boiler is too high, easily cause helical slag removing machine
The phenomenon that gets stuck, be unfavorable for the discharge of waste residue.
Content of the invention
The application is based on inventor, the discovery of following facts and problem and understanding to be made：
In order to avoid helical slag removing machine works produced problem at high temperature, general in correlation technique pass through in spiral deslagging
The loading burner hearth bottom of machine leads to cooling water with cooling spiral axle to helical axis inner core, though the method can reduce the inner parts such as helical axis
Temperature, be not in the phenomenon getting stuck, but which can only to spiral the cooling of axial warm sludge it is impossible to cooling is away from helical axis
Warm sludge farther out, simultaneously because limited by helical axis outer surface, warm sludge treating capacity and cooling depth are less, lead to its coke discharging to be exerted oneself relatively
Little；Other methods are utilized in installing a slag cooler before helical slag removing machine, using slag cooler, warm sludge are cooled to cold slag
Recycle helical slag removing machine deslagging afterwards, though the method can reduce the operating temperature of helical slag removing machine, helical slag removing machine does not have
Chiller is installed, when slag cooler cold slag effect is bad it is difficult to avoid helical slag removing machine to work at a higher temperature appearance
Problem.
It is contemplated that at least solving one of technical problem in correlation technique to a certain extent.For this reason, the present invention carries
Go out a kind of spiral slag-draining device for boiler, it is possible to decrease enter the temperature of the waste residue of helical slag removing machine, effectively improve spiral
The operating temperature of slag extractor.
The present invention also proposes a kind of spiral Slagoff method for boiler.
Spiral slag-draining device for boiler according to embodiments of the present invention, including：Cold for cooled down to waste residue
Slag device, described slag cooler is provided with entrance and exit, and described entrance is connected with described slag-drip opening；Helical slag removing machine, described spiral row
Slag machine includes housing, helical axis and the cooling flowing path for being cooled down to the waste residue in described housing, and described housing is provided with
Charging aperture and discharging opening, described charging aperture is connected with described outlet, and described cooling flowing path has cooling water inlet and cooling water goes out
Mouthful, described helical axis is rotatably arranged in described housing to convey described waste residue towards described discharging opening.
Spiral slag-draining device for boiler according to embodiments of the present invention, on the one hand passes through the charging in helical slag removing machine
Slag cooler is set tentatively to be cooled down to waste residue, thus being lowered into the useless of helical slag removing machine between mouth and the slag-drip opening of boiler
The temperature of slag, improve the operating temperature of helical slag removing machine effectively, it is to avoid the temperature of the waste residue because entering into helical slag removing machine
Too high, and require the helical axis of helical slag removing machine and the material of housing to have preferable heat-resisting quantity, spiral row can be reduced simultaneously
The difficulty of processing of slag machine and processing cost, it is to avoid the phenomenon that helical slag removing machine generation is got stuck；On the other hand in helical slag removing machine
Interior setting cooling flowing path is to waste residue cooling twice, not only can reduce the temperature of waste residue further, and works as slag cooler and event
Barrier and when waste residue tentatively can not be cooled down or be good to the preliminary cooling effect of waste residue, also help guarantee helical slag removing machine
The reliability of work, avoids helical slag removing machine to work at a higher temperature the problems such as getting stuck of appearance to a certain extent.
According to some embodiments of the present invention, described cooling flowing path includes the first subflow in the side wall of described housing
Road.
According to some embodiments of the present invention, described slag cooler includes thering is the shell holding space and for flowing cooling
The flowing space of liquid, the described flowing space holds to cool down to the described waste residue holding space outside space positioned at described,
The described flowing space has inlet and gas outlet.
Further, the described space that holds is provided with cooling wind inlet and cooling air outlet, enters institute from described cooling air port
Discharge from described cooling air outlet after stating the cooling wind holding space and the described waste residue heat exchange holding in space.
Further, described inlet is connected with described coolant outlet.
Further, slag-draining device also includes processing meanss, and described processing meanss are provided with gas feed, gas outlet, liquid
Body import and liquid outlet, described gas feed is connected with described cooling air outlet, and described gas outlet is entered with described cooling wind
Mouth connection, described liquid-inlet is connected with described coolant outlet, and described liquid outlet is connected with described inlet, from described gas
The cooling wind that body import enters carries out heat exchange with the liquid entering from described liquid-inlet.
Specifically, described gas outlet is suitable to connect with the gasifying agent air inlet pipe of boiler.
Spiral Slagoff method for boiler according to embodiments of the present invention, above-mentioned spiral slag-draining device can adopt described spiral shell
Rotation Slagoff method carries out deslagging, and described spiral Slagoff method comprises the steps：The waste residue discharged from boiler is drained into first
Carry out in slag cooler cooling down for the first time；Waste residue through cooling for the first time is drained in helical slag removing machine, described spiral deslagging
Machine includes helical axis and cooling flowing path, and under the promotion of described helical axis, described waste residue is towards the discharging opening of described helical slag removing machine
Move and cooled down by described cooling flowing path.
Spiral Slagoff method for boiler according to embodiments of the present invention, is conducive to improving the cooling effectiveness to waste residue.
According to some embodiments of the present invention, also comprise the steps：Discharged to from described slag cooler using processing meanss
Cooling medium and from described cooling flowing path discharge cooling medium carry out heat exchange.
According to some embodiments of the present invention, also comprise the steps：The heat of the steam that collection is discharged from described slag cooler
Amount, and the heat of recovery is arranged to described boiler using the energy as gasification reaction.
Brief description
Fig. 1 is the schematic diagram of spiral slag-draining device according to some embodiments of the invention；
Fig. 2 is the schematic diagram of the spiral slag-draining device according to other embodiments of the present invention；
Fig. 3 is the schematic diagram of the spiral slag-draining device according to still other embodiments of the present invention；
Fig. 4 is the schematic diagram of slag cooler according to some embodiments of the invention；
Fig. 5 is the schematic diagram of helical slag removing machine according to some embodiments of the invention.
Reference：
Boiler 1000；
Spiral slag-draining device 100；Slag cooler 1；Entrance 11；Outlet 12；Hold space 13；Cooling wind inlet 131；Cooling wind
Outlet 132；The flowing space 14；Inlet 141；Gas outlet 142；Helical slag removing machine 2；Housing 21；Charging aperture 211；Discharging opening
212；Helical axis 22；Cooling water inlet 231；Coolant outlet 232；First subflow road 233；Processing meanss 3；Gas feed 31；
Gas outlet 32；Liquid-inlet 33；Liquid outlet 34；Cooling medium processing equipment 4；Material returning device 5；
Slag-drip opening 200；Gasifying agent air inlet pipe 300.
Specific embodiment
Embodiments of the invention are described below in detail, the example of described embodiment is shown in the drawings.Below with reference to
The embodiment of Description of Drawings is exemplary it is intended to be used for explaining the present invention, and is not considered as limiting the invention.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward ", " up time
The orientation of instruction such as pin ", " counterclockwise ", " axial ", " radially ", " circumferential " or position relationship be based on orientation shown in the drawings or
Position relationship, is for only for ease of the description present invention and simplifies description, rather than the device of instruction or hint indication or element must
Must have specific orientation, with specific azimuth configuration and operation, be therefore not considered as limiting the invention.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that indicating or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or
Implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two, three
Individual etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection ", " fixation " etc.
Term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or integral；Can be that machinery connects
Connect or electrically connect or can communicate each other；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, permissible
It is the connection of two element internals or the interaction relationship of two elements, limit unless otherwise clear and definite.For this area
For those of ordinary skill, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score permissible
It is the first and second feature directly contacts, or the first and second features pass through intermediary mediate contact.And, fisrt feature exists
Second feature " on ", " top " and " above " but fisrt feature are directly over second feature or oblique upper, or be merely representative of
Fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " lower section " and " below " can be
One feature is immediately below second feature or obliquely downward, or is merely representative of fisrt feature level height and is less than second feature.
Below with reference to Fig. 1-Fig. 5, the spiral slag-draining device 100 for boiler 1000 according to embodiments of the present invention, spiral shell are described
Rotation slag-draining device 100 can be used for the discharge of waste residue in boiler 1000 such as gasification furnace.Specifically, boiler 1000 is provided with slag-drip opening
200 and gasifying agent air inlet pipe 300, the waste residue in boiler 1000 can be discharged in boiler 1000 by slag-drip opening 200, gasifying agent
As gasification air can enter in boiler 1000 from gasifying agent air inlet pipe 300.
As shown in Figure 1-Figure 3, the spiral slag-draining device 100 for boiler 1000 according to embodiments of the present invention, can wrap
Include the slag cooler 1 for being cooled down and helical slag removing machine 2 to waste residue.
Specifically, slag cooler 1 is provided with entrance 11 and outlet 12, and entrance 11 is connected with slag-drip opening 200, thus, boiler 1000
Interior waste residue can enter in slag cooler 1 through entrance 11 after slag-drip opening 200 is discharged, in order to slag cooler 1 to the cold slag of entrance
Waste residue in device 1 is tentatively cooled down.
Specifically, as shown in Fig. 1-Fig. 3 and Fig. 5, helical slag removing machine 2 such as jacket water-cooling type slag extractor, shell can be included
Body 21, helical axis 22 and the cooling flowing path for being cooled down to the waste residue in housing 21, housing 21 is provided with charging aperture 211 He
Discharging opening 212, the charging aperture 211 such as charging aperture 211 that is connected with outlet 12 12 is welded to connect by connecting tube with outlet, cools down and flows
Road has cooling water inlet 231 and coolant outlet 232, and helical axis 22 is rotatably arranged in housing 21 with towards discharging opening
212 conveying waste residues.Alternatively, cooling water inlet 231 can be connected with coolant pipeline such as water pipe.
Specifically, the waste residue through slag cooler 1 tentatively cooling from outlet 12 discharge, and can enter through charging aperture 211
To in the housing 21 of helical slag removing machine 2, the waste residue in housing 21 is in the presence of helical axis 22 constantly towards discharging opening 212
Direction is moved, and meanwhile enters into from cooling water inlet 231 in coolant such as cooling water and the housing 21 cooling flowing path
Waste residue heat exchange to realize the cooling twice to waste residue, thus further reduce waste residue temperature, subsequent waste residue is from discharging opening 212
Discharge, the cooling water after heat exchange in cooling flowing path can be discharged from coolant outlet 232.
Thus, on the one hand pass through to arrange between the charging aperture 211 and the slag-drip opening 200 of boiler 1000 of helical slag removing machine 2
Slag cooler 1, tentatively to be cooled down to waste residue, thus the temperature of the waste residue being lowered in helical slag removing machine 2, improves effectively
The operating temperature of helical slag removing machine 2, it is to avoid too high and require spiral to arrange because entering into the temperature of the waste residue in helical slag removing machine 2
The material of the helical axis 22 of slag machine 2 and housing 21 has preferable heat-resisting quantity, can reduce the difficult processing of helical slag removing machine 2 simultaneously
Degree and processing cost, it is to avoid the phenomenon that helical slag removing machine 2 generation is got stuck, in addition also avoid in correlation technique because to waste residue
The problem that the cooling effect to waste residue is poor and Solid state fermentation amount is little that cooling depth is little and leads to；On the other hand in spiral deslagging
In machine 2, setting cooling flowing path, to carry out cooling twice to waste residue, not only can reduce the temperature of waste residue further, and work as slag cooler
1 when breaking down and waste residue can not tentatively be cooled down or be good to the preliminary cooling effect of waste residue, also helps guarantee spiral shell
The reliability of rotation slag extractor 2 work, avoids helical slag removing machine 2 to work at a higher temperature the getting stuck of appearance to a certain extent
The problems such as.
Alternatively, the discharging opening 212 of helical slag removing machine 2 can be corresponding with waste residue outward transport equipment, from giving up that discharging opening 212 is discharged
Slag can be directly discharged in waste residue outward transport equipment, transports outward equipment conveying waste residue in order to waste residue.
Spiral slag-draining device 100 for boiler 1000 according to embodiments of the present invention, on the one hand passes through in spiral deslagging
Slag cooler 1 is set tentatively to be cooled down to waste residue, thus dropping between the charging aperture 211 of machine 2 and the slag-drip opening 200 of boiler 1000
The temperature of the low waste residue entering helical slag removing machine 2, improves the operating temperature of helical slag removing machine 2, it is to avoid effectively because entering into
The temperature of the waste residue of helical slag removing machine 2 is too high, and requires the helical axis 22 of helical slag removing machine 2 and the material of housing 21 to have preferably
Heat-resisting quantity, difficulty of processing and the processing cost of helical slag removing machine 2 can be reduced, it is to avoid helical slag removing machine 2 produces card simultaneously
The phenomenon of shell, is conducive to improving the bed drain purge of helical slag removing machine 2；On the other hand helical slag removing machine 2 in setting cooling flowing path with
To waste residue cooling twice, the temperature of waste residue not only can be reduced further, and when slag cooler 1 breaks down and waste residue can not be entered
The preliminary cooling of row or good to the preliminary cooling effect of waste residue when, also help the reliability ensureing helical slag removing machine 2 work,
Helical slag removing machine 2 is avoided to work at a higher temperature the problems such as getting stuck of appearance to a certain extent.
According to some embodiments of the present invention, as shown in Fig. 1-Fig. 3 and Fig. 5, cooling flowing path includes the side positioned at housing 21
The first subflow road 233 in wall.Thus, the waste residue in housing 21 in the presence of helical axis 22 constantly towards discharging opening 212
Direction mobile during can carry out heat exchange with the coolant such as cooling water in the first subflow road 233, to cool down housing 21
Interior waste residue.
Specifically, cooling flowing path includes the second subflow road (not shown) in the axis body of helical axis 22.Thus,
The setting on two subflow roads is not only advantageous to the cooling twice to waste residue, may also operate as the effect of cooling spiral axle 22 simultaneously, keeps away
The phenomenon such as get stuck exempting to cause because the temperature of helical axis 22 is too high.
In some embodiments of the invention, as Figure 1-Figure 4, slag cooler 1 includes thering is the shell holding space 13
With the flowing space 14 for the coolant that flows, the flowing space 14 be located at hold outside space 13 with to the waste residue holding space 13
Cooled down, the flowing space 14 has inlet 141 and gas outlet 142.Thus, the waste residue discharged from slag-drip opening 200 can pass through
What entrance 11 entered into slag cooler 1 holds in space 13, and meanwhile, coolant such as water can enter into stream from inlet 141
In dynamic space 14, it is tentatively cold to carry out to waste residue that coolant in the flowing space 14 and the waste residue holding space 13 can carry out heat exchange
But, subsequently, waste residue can be vaporized into gas and discharge stream from gas outlet 142 from outlet 12 discharge slag cooler 1, the coolant after heat exchange
Dynamic space 14.
Certainly, the invention is not restricted to this, in other embodiments, the flowing space 14 may be located on holding in space 13,
Hold the waste residue in space 13 to contact with the lateral wall of the flowing space 14 to realize the coolant in the flowing space 14 and waste residue
Between heat exchange.
Specifically, as shown in figs 2-4, the periphery wall of shell is wound with cold water pipe to limit the flowing space 14, from
And be conducive to increasing the contact area between the flowing space 14 and shell, to improve the coolant in the flowing space 14 and to hold sky
Between waste residue in 13 heat transfer effect.
Alternatively, as shown in figure 3, holding space 13 to be provided with cooling wind inlet 131 and cooling air outlet 132, from cooling wind
Import 131 is discharged from cooling air outlet 132 after entering cooling wind and the waste residue heat exchange holding in space 13 holding space 13.Tool
For body, the waste residue discharged from slag-drip opening 200 can hold in space 13 through what entrance 11 entered into slag cooler 1, meanwhile,
Cooling wind enters from cooling wind inlet 131 and holds to play fluidisation wind action in space 13, and waste residue is under cooling wind action
The coolant such as water in fluidized state and with cooling wind and entering in the flowing space 14 from inlet 141 carries out heat exchange, changes
Waste residue after heat can be vaporized into gas and from gas outlet 142 exhaust flow from outlet 12 discharge slag cooler 1, the coolant after heat exchange
Space 14, the cooling wind after heat exchange is discharged from cooling air outlet 132.Thus, by holding cooling wind and flowing in space 13
Coolant in space 14 cools down the waste residue holding in space 13 simultaneously, can effectively improve the cooling effectiveness to waste residue.Permissible
It is understood by, the cooling wind holding in space 13 is conducive to improving the coolant in the flowing space 14 and the waste residue holding space 13
Between heat transfer effect.
Alternatively, entering the cooling wind holding in space 13 can be nitrogen.
Specifically, as shown in Fig. 2-Fig. 3, inlet 141 is connected with coolant outlet 232, thus, with shell in cooling flowing path
The cooling water after waste residue heat exchange in body 21 can be discharged from coolant outlet 232, and enters into the flowing space through inlet 141
Tentatively to be cooled down to holding the waste residue in space 13 in 14, thus realizing the multiple utilization of cooling water.
Further, in order to avoid leading because the temperature of the cooling water after the heat exchange that coolant outlet 232 flows out is too high
It is not good to the cooling effect of waste residue that cooling water after the heat exchange causing enters into the flowing space 14 through inlet 141, can make one
Partly fresh low-temperature cooling water is entered in the flowing space 14 through inlet 141 together with the cooling water after heat exchange, thus
Ensure to enter into the cooling effect to waste residue for the cooling water in the flowing space 14.
Specifically, as shown in figure 3, the spiral slag-draining device 100 for boiler 1000 also includes processing meanss 3, process dress
Put 3 and be provided with gas feed 31, gas outlet 32, liquid-inlet 33 and liquid outlet 34, gas feed 31 and cooling air outlet 132
Connection, gas outlet 32 is connected with cooling wind inlet 131, and liquid-inlet 33 is connected with coolant outlet 232, liquid outlet 34 and
Inlet 141 connects, and the cooling wind entering from gas feed 31 carries out heat exchange with the liquid entering from liquid-inlet 33.Thus,
The cooling wind discharged from cooling air outlet 132 can enter in processing meanss 3 through gas feed 31, from coolant outlet 232
Coolant such as cooling water after the heat exchange discharged can enter in processing meanss 3 through liquid-inlet 33, and enters into process
Cooling water in device 3 can carry out heat exchange with cooling wind, and the cooling wind after heat exchange can be discharged through gas outlet 32, and through supercool
But wind inlet 131 enters into and holds in space 13, thus forming cooling wind circulation, the cooling water after heat exchange can be through liquid outlet
34 discharges, and enter in the flowing space 14 through inlet 141, thus realizing the multiple utilization of cooling water.
It is understood that the cooling water after the heat exchange that coolant outlet 232 is discharged can be with a part of fresh low temperature
Cooling water enters in processing meanss 3 through liquid-inlet 33 together, with guarantee to enter into the cooling water in processing meanss 3 with cold
But the reliable heat exchange between wind.
The cooling water discharged from liquid outlet 34 can be entered into through inlet 141 together with a part of fresh cooling water
In the flowing space 14, to guarantee to enter into the cooling effect to waste residue for the cooling water in the flowing space 14.
Alternatively, as shown in figure 3, slag cooler 1 is constructed such that the flow direction of waste residue and the flow direction of cooling wind
On the contrary.Thus, be conducive to improving the heat transfer effect between waste residue and cooling wind, to realize cooling down the reliability cooling to waste residue for the wind.
In some embodiments of the invention, as shown in Figure 1-Figure 3, gas outlet 142 is suitable to the gasifying agent with boiler 1000
Air inlet pipe 300 connects.Thus, by inlet 141 enter into coolant such as cooling water in the flowing space 14 with waste residue
After heat exchange, annoying chemical conversion steam, and from gas outlet 142 exhaust flow space 14, subsequently together with gasifying agent such as gasification air
It is drained in boiler 1000 through gasifying agent air inlet pipe 300, thus the heat of waste residue can be made to participate in the way of steam sensible heat
In gasification reaction in boiler 1000, to realize the recovery of heat it is achieved that energy-saving and emission-reduction, thus improving the heat of boiler 1000
Efficiency.
Further, spiral slag-draining device 100 also includes cooling medium processing equipment 4, and cooling medium processing equipment 4 is located at
For reclaiming the heat of the steam discharged from gas outlet 142, cooling medium between gas outlet 142 and gasifying agent air inlet pipe 300
The heat of the steam discharged from gas outlet 142 that processing equipment 4 reclaims can be used for the gasification reaction in boiler 1000.Thus, letter
Single reliable.
Specifically, spiral slag-draining device 100 also includes material returning device 5, and material returning device 5 is located at slag-drip opening 200 He of boiler 1000
Between the entrance 11 of slag cooler 1, in the stable feeding slag cooler 1 of waste residue that slag-drip opening 200 can be discharged by material returning device 5.
Structure below with reference to the spiral slag-draining device 100 to particular embodiments of the invention for Fig. 1-Fig. 3 is carried out in detail
Explanation.
Embodiment 1
As shown in figure 1, the spiral slag-draining device 100 for boiler 1000 in the present embodiment is included for carrying out to waste residue
The slag cooler 1 of cooling, helical slag removing machine 2 and cooling medium processing equipment 4.
Specifically, slag cooler 1 is provided with entrance 11 and outlet 12, and entrance 11 is connected with slag-drip opening 200, thus, boiler 1000
Interior waste residue can enter in slag cooler 1 through entrance 11 after slag-drip opening 200 is discharged, in order to slag cooler 1 to the cold slag of entrance
Waste residue in device 1 is tentatively cooled down.
Specifically, as shown in Figure 1 and Figure 5, helical slag removing machine 2 includes housing 21, helical axis 22 and is used in housing 21
The cooling flowing path that cooled down of waste residue, cooling flowing path includes the first subflow road 233 in the side wall of housing 21.Housing 21
It is provided with charging aperture 211 and discharging opening 212, charging aperture 211 is connected with outlet 12, and the first subflow road 233 has cooling water inlet
231 and coolant outlet 232, helical axis 22 is rotatably arranged in housing 21 to convey waste residue towards discharging opening 212.
As shown in figure 1, slag cooler 1 includes thering is the shell holding space 13 and the flowing space for the coolant that flows
14, the flowing space 14 be located at hold to cool down to the waste residue holding space 13 outside space 13, the flowing space 14 have into
Liquid mouth 141 and gas outlet 142.Specifically, as shown in figure 4, cold water pipe is wound with the periphery wall of shell to limit flowing sky
Between 14, thus being conducive to increasing the contact area between the flowing space 14 and shell, to improve the coolant in the flowing space 14
Heat transfer effect with the waste residue holding in space 13.
As shown in figure 1, gas outlet 142 is suitable to connect with the gasifying agent air inlet pipe 300 of boiler 1000.Further, cool down
Media processing device 4 is located between gas outlet 142 and gasifying agent air inlet pipe 300 for reclaiming the steaming discharged from gas outlet 142
The heat of vapour, the heat of the steam discharged from gas outlet 142 that cooling medium processing equipment 4 reclaims can be used in boiler 1000
Gasification reaction.
Specifically, the waste residue discharged from slag-drip opening 200 can hold space 13 through what entrance 11 entered into slag cooler 1
Interior, meanwhile, coolant such as water can enter into the coolant in the flowing space 14, in the flowing space 14 from inlet 141
Heat exchange can be carried out with the waste residue holding space 13 tentatively to be cooled down to waste residue, subsequently, waste residue can be from the outlet 12 cold slag of discharge
Device 1, the coolant after heat exchange is vaporized into gas and is set with entering cooling medium process from gas outlet 142 exhaust flow space 14
Put, the heat in cooling medium processing equipment 4 gas recovery, and heat is used again for the gasified reverse in boiler 1000
Should.Waste residue in the housing 21 that charging aperture 211 enters into helical slag removing machine 2, in housing 21 for the waste residues from outlet 12 discharge
Constantly move towards the direction of discharging opening 212 in the presence of helical axis 22, meanwhile enter into from cooling water inlet 231
Cooling water in cooling flowing path and the waste residue heat exchange in housing 21 are to realize the cooling twice to waste residue, thus reducing useless further
The temperature of slag, subsequent waste residue is discharged from discharging opening 212, and the cooling water after heat exchange in cooling flowing path can be from coolant outlet 232 row
Go out.
Embodiment 2
As shown in Fig. 2 the spiral slag-draining device 100 for boiler 1000 in the present embodiment is included for carrying out to waste residue
The slag cooler 1 of cooling and helical slag removing machine 2.
Specifically, slag cooler 1 is provided with entrance 11 and outlet 12, and entrance 11 is connected with slag-drip opening 200, thus, boiler 1000
Interior waste residue can enter in slag cooler 1 through entrance 11 after slag-drip opening 200 is discharged, in order to slag cooler 1 to the cold slag of entrance
Waste residue in device 1 is tentatively cooled down.
Specifically, as shown in Figure 2 and Figure 5, helical slag removing machine 2 includes housing 21, helical axis 22 and is used in housing 21
The cooling flowing path that cooled down of waste residue, cooling flowing path includes the first subflow road 233 in the side wall of housing 21.Housing 21
It is provided with charging aperture 211 and discharging opening 212, charging aperture 211 is connected with outlet 12, and the first subflow road 233 has cooling water inlet
231 and coolant outlet 232, helical axis 22 is rotatably arranged in housing 21 to convey waste residue towards discharging opening 212.
As shown in Figure 2 and Figure 4, slag cooler 1 includes thering is the shell holding space 13 and the flowing for the coolant that flows
Space 14, the flowing space 14 is located at and holds to cool down to the waste residue holding space 13 outside space 13, and the flowing space 14 has
There are inlet 141 and gas outlet 142.Specifically, the periphery wall of shell is wound with cold water pipe to limit the flowing space 14, from
And be conducive to increasing the contact area between the flowing space 14 and shell, to improve the coolant in the flowing space 14 and to hold sky
Between waste residue in 13 heat transfer effect.
As shown in Fig. 2 gas outlet 142 is suitable to connect with the gasifying agent air inlet pipe 300 of boiler 1000, inlet 141 with cold
But water out 232 connects.
Specifically, the high-temperature semi-coke waste residue of 900 DEG C producing in boiler 1000 is discharged from the slag-drip opening 200 of boiler 1000
And hold in space 13 through what entrance 11 entered into slag cooler 1, meanwhile, from the coolant outlet 232 of helical slag removing machine 2
The fresh cooling water that the cooling water that about 70 DEG C of the temperature flowing out is about 25 DEG C with temperature is mixed into the cold of about 40 DEG C of temperature
But water enters in the flowing space 14 from inlet 141, and carries out heat exchange to carry out to waste residue just with the waste residue holding space 13
Step cooling, the cooling after heat exchange water is vaporized into about 170 DEG C of normal pressure overheat steam and discharges and and gasification air from gas outlet 142
It is drained in boiler 1000 through gasifying agent air inlet pipe 300 together, so that the heat of waste residue is joined in the way of steam sensible heat
In the gasification reaction in boiler 1000, to realize the recovery of heat, thus improving the thermal efficiency of boiler 1000.From outlet 12
The temperature discharged is about 200 DEG C of waste residue in the housing 21 that charging aperture 211 enters into helical slag removing machine 2, in housing 21
Waste residue constantly moves towards the direction of discharging opening 212 in the presence of helical axis 22, meanwhile enters from cooling water inlet 231
The cooling water entering about 25 DEG C of the temperature in cooling flowing path is secondary cold to waste residue to realize with the waste residue heat exchange in housing 21
But, thus reducing the temperature of waste residue further, the waste residue temperature after subsequent cooling twice is about 60 DEG C, and from discharging opening 212 row
Go out, the cooling water after heat exchange in cooling flowing path can discharge from coolant outlet 232 and mix with fresh cooling water after from feed liquor
Mouth 141 enters in the flowing space 14.
Embodiment 3
As shown in figure 3, the spiral slag-draining device 100 for boiler 1000 in the present embodiment is included for carrying out to waste residue
The slag cooler 1 of cooling, material returning device 5, processing meanss 3 and helical slag removing machine 2.
Specifically, slag cooler 1 is provided with entrance 11 and outlet 12, and material returning device 5 is located at the slag-drip opening 200 of boiler 1000 and cold slag
With in the stable feeding slag cooler 1 of the waste residue discharging slag-drip opening 200 between the entrance 11 of device 1.Thus, useless in boiler 1000
After slag enters material returning device 5 by slag-drip opening 200, can enter in slag cooler 1 through entrance 11, cold to entering in order to slag cooler 1
Waste residue in slag device 1 is tentatively cooled down.
Specifically, as shown in Figure 3 and Figure 5, helical slag removing machine 2 includes housing 21, helical axis 22 and is used in housing 21
The cooling flowing path that cooled down of waste residue, cooling flowing path includes the first subflow road 233 in the side wall of housing 21.Housing 21
It is provided with charging aperture 211 and discharging opening 212, charging aperture 211 is connected with outlet 12, and the first subflow road 233 has cooling water inlet
231 and coolant outlet 232, helical axis 22 is rotatably arranged in housing 21 to convey waste residue towards discharging opening 212.
As shown in Figure 3 and Figure 4, slag cooler 1 includes thering is the shell holding space 13 and the flowing for the coolant that flows
Space 14, the flowing space 14 is located at and holds to cool down to the waste residue holding space 13 outside space 13, and the flowing space 14 has
There are inlet 141 and gas outlet 142, gas outlet 142 is suitable to connect with the gasifying agent air inlet pipe 300 of boiler 1000.
Specifically, the periphery wall of shell is wound with cold water pipe to limit the flowing space 14, thus being conducive to increasing stream
Contact area between dynamic space 14 and shell, to improve the coolant in the flowing space 14 and the waste residue holding in space 13
Heat transfer effect.
As shown in figure 3, holding space 13 to be provided with cooling wind inlet 131 and cooling air outlet 132, from cooling wind inlet 131
Enter and discharge from cooling air outlet 132 after holding the nitrogen in space 13 and the waste residue heat exchange holding in space 13.
Processing meanss 3 are provided with gas feed 31, gas outlet 32, liquid-inlet 33 and liquid outlet 34, gas feed 31
Connect with cooling air outlet 132, gas outlet 32 is connected with cooling wind inlet 131, liquid-inlet 33 is with coolant outlet 232 even
Logical, liquid outlet 34 is connected with inlet 141, from gas feed 31 high temperature nitrogen entering and the water entering from liquid-inlet 33
Carry out heat exchange.As shown in figure 3, slag cooler 1 is constructed such that the flow direction of waste residue is contrary with the flow direction of nitrogen.By
This, be conducive to improving the heat transfer effect between waste residue and nitrogen, with realizing nitrogen, the reliability of waste residue is cooled down.
Specifically, the high-temperature semi-coke waste residue of 900 DEG C producing in boiler 1000 passes through from the slag-drip opening 200 of boiler 1000
What material returning device 5 was drained into slag cooler 1 holds in space 13, and meanwhile, temperature is about 80 DEG C of nitrogen from cooling wind inlet 131
Enter into and hold in space 13 to use as fluidized wind, waste residue is in fluidized state in the presence of nitrogen, fluidized state useless
The cooling water that slag enters into about 50 DEG C of the temperature of the flowing space 14 with nitrogen with from inlet 141 carries out heat exchange to enter to waste residue
Row is preliminary to be cooled down, and the cooling after heat exchange water is vaporized into about 140 DEG C of superheated steam and discharges and and gasification air from gas outlet 142
It is drained in boiler 1000 through gasifying agent air inlet pipe 300 together, so that the heat of waste residue is joined in the way of steam sensible heat
In the gasification reaction in boiler 1000, to realize the recovery of heat；Nitrogen after heat exchange is heated and becomes about 170 DEG C of temperature
High temperature nitrogen sequentially pass through cooling air outlet 132 and gas feed 31 enters into processing meanss 3.Waste residue after preliminary cooling is about
For 200 DEG C, waste residue is discharged and in the housing 21 that charging aperture 211 enters into helical slag removing machine 2 from outlet 12, in housing 21
Waste residue constantly moves towards the direction of discharging opening 212 in the presence of helical axis 22, meanwhile enters from cooling water inlet 231
The cooling water entering about 25 DEG C of the temperature in cooling flowing path is secondary cold to waste residue to realize with the waste residue heat exchange in housing 21
But, thus reducing the temperature of waste residue further, the waste residue temperature after subsequent cooling twice is about 50 DEG C, and from discharging opening 212 row
Go out, the cooling water after heat exchange in cooling flowing path heats up into 40 DEG C, and discharge and the fresh cooling with 25 DEG C from coolant outlet 232
Water enters in processing meanss 3 from liquid-inlet 33 after being mixed into 28 DEG C of cooling water.
Enter into the high temperature nitrogen in processing meanss 3 and the cooling water from liquid-inlet 33 entrance in processing meanss 3
Carry out heat exchange, the nitrogen after heat exchange is cooled to 60 DEG C and discharges through gas outlet 32, and enters through supercooling wind inlet 131
To holding in space 13, thus forming cooling wind circulation, the cooling water after heat exchange heats up into about 70 DEG C of high-temperature water and through liquid
Body outlet 34 discharge, the fresh water that the high-temperature water discharged from liquid outlet 34 is about 25 DEG C with temperature is mixed into 50 DEG C of cooling water
And enter in the flowing space 14 through inlet 141, thus realize the multiple utilization of cooling water.
Spiral Slagoff method for boiler according to embodiments of the present invention is described below, wherein, boiler has above-mentioned
Spiral slag-draining device, spiral slag-draining device can carry out deslagging using spiral Slagoff method.
Spiral Slagoff method for boiler according to embodiments of the present invention, comprises the steps：
The waste residue discharged from boiler is drained in slag cooler first and carries out cooling down for the first time.That is, in boiler
Waste residue can discharge boiler through above-mentioned slag-drip opening, then pass through entrance and be drained in slag cooler in order to realize to waste residue first
Secondary cooling.
Waste residue through cooling for the first time is drained in helical slag removing machine that is to say, that pass through cold for the first time in waste residue
But can discharge from slag cooler after, and be drained in helical slag removing machine and carry out second cooling.Specifically, helical slag removing machine includes
Helical axis and cooling flowing path, enter into waste residue in helical slag removing machine under the promotion of helical axis, can be towards helical slag removing machine
The mobile and cooled stream cooling of discharging opening, thus realize second cooling to waste residue.
Spiral Slagoff method for boiler according to embodiments of the present invention, is conducive to improving the cooling effectiveness to waste residue.
According to some embodiments of the present invention, also comprise the steps in the spiral Slagoff method for boiler：Using
Processing meanss carry out heat exchange to the cooling medium discharged from slag cooler and the cooling medium discharged from cooling flowing path.Specifically,
With reference to shown in Fig. 3, the coolant such as cooling water discharge from the cooling wind of slag cooler discharge and from cooling flowing path can simultaneously enter
To in processing meanss, and carry out heat exchange in processing meanss, the cooling wind after heat exchange and coolant are discharged from processing meanss respectively,
Consequently facilitating the cycling and reutilization of cooling wind and coolant.
According to some embodiments of the present invention, also comprise the steps in the spiral Slagoff method for boiler：Collection
The heat of the steam discharged from slag cooler, and the heat of recovery is arranged to boiler using the energy as gasification reaction, thus, can make
The heat obtaining waste residue is participated in the gasification reaction in boiler, to realize the recovery of heat, thus carrying in the way of steam sensible heat
The thermal efficiency of high boiler.
Spiral slag-draining device 100 according to embodiments of the present invention and Slagoff method are described below.
Spiral slag-draining device 100 for boiler 1000 according to embodiments of the present invention, including：For by boiler 1000 institute
Heat extraction slag is tentatively cooled down and is reclaimed slag cooler 1 and the helical slag removing machine for cooling down again and discharge of its heat to warm sludge
2 and cooling medium processing equipment 3.
Slag cooler 1 mainly includes slag cooler body and heat exchanger, wherein, if cooling medium and warm sludge direct heat transfer, without
Heat exchanger is installed.Heat exchanger or be placed in inside heat exchanger body, or it is located at heat exchanger body side wall.
The slag feed pipe 11 of slag cooler 1 is connected with the scum pipe of boiler 1000, the residue outlet 12 of slag cooler 1 and helical slag removing machine
2 slag feed pipes 211 are connected, and enter cooling medium pipe 141 and are connected with cooling medium pipe network system, go out cooling medium pipe 142 and are situated between with cooling
The entering cooling medium pipe or be connected with boiler 1000 of matter processing equipment 4.
Helical slag removing machine 2 is the helical slag removing machine of jacket cooling type, mainly includes helical axis 22 and housing 21, cooling medium
Chuck both may be located at it is also possible to be located in helical axis 22 on housing, or the two all has.
Have in cooling medium processing equipment 4 into cooling medium pipe and go out cooling medium pipe, go out cooling medium pipe and boiler
1000 or cooling medium pipe network system be connected.
The entering cooling medium pipe or be connected with the cooling medium pipe 142 that goes out of slag cooler 1 of cooling medium processing equipment 4, or with
Helical slag removing machine 2 goes out cooling medium pipe 232 and is connected, or is connected with cooling medium pipe network system.
The slag feed pipe 211 of helical slag removing machine 2 is connected with slag cooler 1 residue outlet 12, the residue outlet of helical slag removing machine 2 212 with
Cold slag outward transport equipment is connected, and enters cooling medium pipe 231 and is connected with for cooling medium pipe network system, go out cooling medium pipe 232 or with
The cooling medium pipe 141 that enters of slag cooler 1 is connected, or is connected with cooling medium pipe network system, or other equipment is connected.
Slag cooler 1 can be cooling medium with the slag cooler of warm sludge direct contact heat transfer mode it is also possible to indirect heat exchange side
The slag cooler of formula, during indirect heat exchange, the space of cooling medium flowing both can be built in slag cooler, also external is wrapped in condensation
Device.
Slag cooler 1 can be the heat exchanger of fixed bed mode or the heat exchanger of fluid bed or other modes, i.e. heat
Both can not flowable state exist it is also possible to flowable state exists when slag is cooled in slag cooler 1.
As shown in figure 1, above-mentioned spiral slag-draining device can carry out deslagging using spiral Slagoff method, spiral Slagoff method includes
Following steps：The high temperature warm sludge discharged from the scum pipe of boiler 1000 is drained in slag cooler 1 through slag feed pipe 11 first and with
From the relatively low cooling medium of the temperature entering cooling medium pipe 141 with by heat exchanger indirect mode or the two directly contact side
Formula heat exchange, after heat exchange, warm sludge is cooled and lowers the temperature into the relatively low first cold slag of temperature and discharge in slag cooler 1, simultaneously through scum pipe 12
Cooling medium is heated and becomes high temperature cooling medium and discharge in slag cooler 1 through going out cooling medium pipe 142, and the sensible heat of warm sludge is turned
Move in cooling medium.
The high temperature cooling medium discharged in slag cooler 1 enters in cooling medium processing equipment 4 through entering cooling medium pipe,
Process laggard cooling medium and become cooling medium, cooling medium or be passed through in boiler 1000 or be passed through slag cooler 1 or be passed through spiral
Slag-discharging device 2 interior circulation utilizes, and sensible heat enters in boiler 1000, thus the Exposure degree of warm sludge is utilized.
The first cold slag discharged from slag cooler 1 enter in helical slag removing machine 2 through slag feed pipe 211 and with from entering cooling medium pipe
231 low-temperature cooling media passes through cooling medium jacket for heat exchange, and after heat exchange, just cold slag is cooled lowers the temperature into low temperature slag and in spiral shell
Discharged in helical slag removing machine 2 by scum pipe 222 in the presence of spin axis 22, the low temperature slag of discharge is transported with cold slag outward transport equipment
After focus on.And the low-temperature cooling media after heat exchange becomes high temperature cooling medium and arranges from spiral through going out cooling medium pipe 232
Discharge in slag machine 2, high temperature cooling medium or be passed through in slag cooler 1 uses as cooling medium, or recycles after treatment.
By a kind of spiral slag-draining device 100 provided by the present invention and method, the height that boiler 1000 can be discharged first
Warm slag cools to the first cold slag of middle low temperature, reduces the temperature entering the warm sludge in helical slag removing machine 2, thus decreasing
The cooling load of helical slag removing machine 2, improves the deslagging ability of helical slag removing machine 2, and reduces the processing and manufacturing of helical slag removing machine 2
Cost money running cost, and by the Exposure degree of high temperature warm sludge and boiler 1000 can be reused for, improve steam generator system
The thermal efficiency it is achieved that effects of energy saving and emission reduction.
Below with reference to Fig. 2 and 3 to describe the specific embodiment of the present invention.
Embodiment 1
The present embodiment will based on the slag-draining device of the moving bed slag cooler of built-in water cooling heat exchanger and screw cinder cooling apparatus
The high-temperature semi-coke that boiler produces discharges to elaborate this patent for instantiation.Wherein, boiler is gasification furnace.
Spiral slag-draining device used by the present embodiment is as shown in Fig. 2 mainly include slag cooler 1 and helical slag removing machine 2.
Slag cooler 1 therein is moving bed slag cooler, slag cooler body built-in heat exchanger.Slag cooler 1 slag feed pipe and boiler
1000 scum pipe is connected, and slag cooler 1 residue outlet is connected with the slag feed pipe 211 of helical slag removing machine 2, and water inlet pipe 141 is arranged with spiral
The outlet pipe 232 of slag machine 2 is connected, and goes out steam pipe 142 and is connected with boiler 1000.
Helical slag removing machine 2 is jacket cooling type slag extractor, and its slag feed pipe 221 is connected with the residue outlet 112 of slag cooler 1, goes out
Slag pipe 222 and cold slag outward transport equipment is connected, and water inlet pipe 223 is connected with cooling water pipe network system, outlet pipe 232 and slag cooler 1
Water inlet pipe 121 is connected.
The high-temperature semi-coke of 900 DEG C producing in boiler 1000 entering through slag cooler 1 after boiler 1000 scum pipe 41 discharge
Slag pipe 11 enters in slag cooler 1；Meanwhile, cold from the high temperature of about 70 DEG C of the temperature going out cooling water pipe 232 of helical slag removing machine 2
But the cooling through slag cooler for the cooling water of about 40 DEG C of the temperature that the fresh water of water and about 25 DEG C of the temperature supplemented mixes
But water pipe 141 enters in the built-in heat exchanger of slag cooler 2, and cooling water passes through the built-in heat exchanger of slag cooler 1 with warm sludge heat exchange simultaneously
It is cooled to lower the temperature, constantly move down with warm sludge and be constantly cooled water cooling cooling, is down to about 200 DEG C about when temperature and becomes
Just during cold slag, discharge from the residue outlet 12 of slag cooler, while warm sludge is constantly cooled cooling, cooling water is heated and becomes about
170 DEG C of normal pressure overheat steam is simultaneously discharged from going out steam pipe 142.
The first cold slag discharged from the residue outlet 12 of slag cooler enters the slag feed pipe 211 of helical slag removing machine 2, and by spiral deslagging
The slag feed pipe 211 of machine 2 enters helical slag removing machine originally in vivo, continuous slagging tap to helical slag removing machine 2 under the promotion of helical axis 22
Pipe 212 direction is moved, and while mobile, the low-temperature cooling water of about 25 DEG C of the temperature come from cooling water pipe network is through spiral deslagging
The water inlet pipe 231 of machine 2 enters in the cooling water jecket of helical slag removing machine 2 and is cooled to lower the temperature into temperature about with just cold slag heat exchange
60 DEG C of low temperature cold slag, the scum pipe 212 through helical slag removing machine 2 for the low temperature cold slag is discharged, and just cold slag is cooled into low temperature cold slag
While, low-temperature cooling water is heated and heats up into the high-temperature cooling water that temperature is about 40 degrees Celsius, and high-temperature cooling water is through spiral deslagging
The outlet pipe 232 of machine 2 is discharged, and after discharge, high-temperature cooling water is passed through in slag cooler 2 and is used for being cooled to warm sludge as cooling medium
Just cold slag, when cooling water is not enough, supplements the fresh cooling water that temperature is about 25 DEG C thereto.
Enter pot as gasifying agent after the superheated steam going out steam pipe 142 discharge of slag cooler 1 is mixed with gasification air
Stove 1000 participates in reaction, and the sensible heat discharging during warm sludge is cooled into whole cold slag is participated in the form of steam sensible heat again
Gasification reaction.
Compared with being 900 DEG C of operating modes with conventional helical slag-draining device with the operating temperature of method, by used by the present embodiment
Spiral slag-draining device and method, can by gasification furnace is discharged, 900 DEG C of high-temperature semi-coke is cooled to 200 DEG C about, then pass through again
Helical slag removing machine 2 carries out cooling deslagging, significantly reduces operating temperature and the cooling load of helical slag removing machine 2, improves spiral shell
The deslagging ability of rotation slag extractor 2, reduces processing and manufacturing cost and operating environment and the cost of helical slag removing machine 2, and permissible
The most of heat recovery entrained by high temperature warm sludge that boiler is discharged simultaneously is reused for gasification furnace, improves the thermal effect of boiler
Rate.
Embodiment 2
The present embodiment mainly illustrates based on the fluidized bed slag cooler 1 of built-in water cooling heat exchanger and helical slag removing machine 2
Spiral slag-draining device.
As shown in figure 3, spiral slag-draining device 1000 mainly includes slag cooler 1, helical slag removing machine 2 and processing meanss 3.
Slag cooler 1 therein is fluidized bed slag cooler, and fluidizing agent is nitrogen, slag cooler body built-in heat exchanger.It enters
Slag pipe is connected with the scum pipe of boiler 1000, and residue outlet is connected with the slag feed pipe 211 of helical slag removing machine 2, water inlet pipe 141 and spiral
The outlet pipe 232 of slag extractor 2 is connected, and goes out steam pipe 142 and is connected with boiler 1000, the escape pipe 32 of air inlet pipe and processing meanss 3
It is connected, offgas duct 132 is connected with the air inlet pipe 31 of processing meanss 3.
Helical slag removing machine 2 is jacket cooling type slag extractor, and its slag feed pipe 211 is connected with the residue outlet 12 of slag cooler 1, slags tap
Pipe 212 and cold slag outward transport equipment is connected, and water inlet pipe 231 is connected with cooling water pipe network system, outlet pipe 232 and processing meanss 3
Water inlet pipe 33 is connected with cooling water pipe network system.
The air inlet pipe 31 of processing meanss 3 is connected with the offgas duct 132 of slag cooler 1, the air inlet pipe of escape pipe 32 and slag cooler 1
131 are connected, and water inlet pipe 33 is connected with the outlet pipe 232 of helical slag removing machine 2 and cooling water pipe network system, outlet pipe 34 and slag cooler
1 water inlet pipe 141 is connected with cooling water pipe network system.
The scum pipe through gasification furnace for the high-temperature semi-coke of 900 DEG C producing in boiler 1000 is discharged, the high temperature warm sludge warp of discharge
Material returning device 5 enters in slag cooler 1 from the slag feed pipe 11 of slag cooler；Temperature is 80 DEG C of low temperature nitrogen entering from slag cooler 1 simultaneously
Trachea 131 enters in slag cooler 3 and uses as fluidized wind, and warm sludge is in fluidized state under fluidized wind (nitrogen) effect.It is in
The warm sludge of fluidized state and fluidized wind and the built-in heat exchanger by slag cooler 1 and the water inlet pipe 141 from slag cooler 1 temperature
Spend about 60 DEG C of low-temperature cooling water heat exchange and be cooled and lower the temperature, warm sludge is cooled into into the first cold slag that temperature is about 150 DEG C about
And discharge from the residue outlet 142 of slag cooler 1, the low temperature nitrogen after heat exchange be heated become temperature be about 170 DEG C high temperature nitrogen simultaneously
Discharge from offgas duct 132, and low-temperature cooling water becomes about 140 DEG C of superheated steam and discharges from going out steam pipe 142.
The first cold slag discharged from the residue outlet 12 of slag cooler 1 enters the slag feed pipe 211 of helical slag removing machine 2, and is arranged by spiral
The slag feed pipe 211 of slag machine 2 enters in helical slag removing machine 2, constantly to the residue outlet of helical slag removing machine 2 under the promotion of helical axis 22
212 directions are moved, and when just cold slag is mobile, the low-temperature cooling water of about 25 DEG C of the temperature come from cooling water pipe network is through spiral deslagging
The water inlet pipe 231 of machine 2 enters in the cooling water jecket of helical slag removing machine 2 and is cooled to lower the temperature into temperature about with just cold slag heat exchange
50 DEG C of low temperature cold slag, the scum pipe 212 through helical slag removing machine 2 for the low temperature cold slag is discharged, and just cold slag is cooled into whole cold slag
Meanwhile, low-temperature cooling water is heated and heats up into the high-temperature cooling water that temperature is about 40 DEG C, and high-temperature cooling water goes out through helical slag removing machine 2
Water pipe 232 is discharged, and after discharge, high-temperature cooling water is passed through in processing meanss 3 and uses as cooling water.
Enter in processing meanss 3 from the air inlet pipe 31 of the treated device of high temperature nitrogen 3 that slag cooler 1 is discharged；Meanwhile, from spiral shell
The high-temperature cooling water that the outlet pipe 232 of rotation slag extractor 2 is discharged and the temperature supplemented are the temperature that 25 DEG C of fresh water mixes
For the water inlet pipe 33 entrance processing meanss 3 of the treated device of 28 DEG C of water at low temperature 3 are interior with high temperature nitrogen heat exchange.High temperature nitrogen is changed
It is cooled into temperature after heat to be about 60 DEG C of low temperature nitrogen and discharge from the escape pipe 32 of processing meanss 3, then pass through slag cooler
Air inlet pipe 131 enter in slag cooler 3 and recycle as fluidized wind.The intensification and water at low temperature after heat exchange is heated becomes temperature about
For 70 DEG C of high-temperature water, high-temperature water is fresh with the low temperature that the temperature supplemented is 25 DEG C after being discharged by the outlet pipe 34 of processing meanss 3
Water is mixed into the water inlet pipe 141 through slag cooler 1 for the water at low temperature that temperature is 50 DEG C and enters in slag cooler 1 as cooling medium circulation profit
With.By processing meanss 3 processing so as to meet the condition of cycling and reutilization to high temperature nitrogen, it is the heat absorbing simultaneously
The heat of slag is transferred to the sensible heat of high-temperature water.
Enter boiler as gasifying agent after the superheated steam that slag cooler goes out steam pipe 142 discharge is mixed with gasification air
1000 participate in reaction, and the sensible heat discharging during high temperature warm sludge is cooled into whole cold slag is joined in the form of steam sensible heat again
With gasification reaction.
Compared with Example 1, used by the present embodiment, spiral slag-draining device 100 and method can also be greatly reduced entrance spiral
The warm sludge temperature of slag extractor 2, thus reducing deslagging ability and the manufacturing cost of helical slag removing machine 2, and can efficient recovery warm sludge
Sensible heat be used for gasification furnace, improve the thermal efficiency of gasification furnace.
Spiral Slagoff method for boiler according to embodiments of the present invention, comprises the steps：
The high temperature warm sludge discharged from the scum pipe of boiler is drained in slag cooler through slag feed pipe first and with from entering cooling
The relatively low cooling medium of the next temperature of medium tube is with by heat exchanger indirect mode or the two directly contact mode heat exchange, heat exchange
Warm sludge is cooled and lowers the temperature into the relatively low first cold slag of temperature and discharge in slag cooler through scum pipe afterwards, and cooling medium is heated change simultaneously
Become high temperature cooling medium and discharge in slag cooler through going out cooling medium pipe, the sensible heat of warm sludge is transferred in cooling medium.
The high temperature cooling medium discharged in slag cooler enters in cooling medium processing equipment through entering cooling medium pipe, place
After reason, but medium becomes cooling medium, cooling medium or be passed through in boiler or be passed through slag cooler or be passed through spiral slag-discharging device interior circulation
Using, and sensible heat enters in boiler, thus the Exposure degree of warm sludge is utilized.
The first cold slag discharged from slag cooler enter in helical slag removing machine through slag feed pipe and with from entering what cooling medium pipe came
Low-temperature cooling media passes through cooling medium jacket for heat exchange, and after heat exchange, first cold slag is cooled and lowers the temperature into low temperature slag the effect in spiral shell axle
Discharged in helical slag removing machine by scum pipe down, the low temperature slag of discharge focuses on after being transported with cold slag outward transport equipment.And change
Low-temperature cooling media after heat becomes high temperature cooling medium and discharges in helical slag removing machine through going out cooling medium pipe, high temperature cooling
Medium or be passed through in slag cooler uses as cooling medium, or recycles after treatment.
Specifically, the warm sludge that boiler is discharged initially enters in slag cooler and is cooled for the first time, and forms just cold slag, with
Reduce the temperature of warm sludge, reduce the thermic load of helical slag removing machine, then more just cold slag is added in helical slag removing machine and carries out again
Secondary cool and discharge, thus improving its deslagging ability,
Specifically, the warm sludge sensible heat after heat exchange is transferred in cooling medium makes it become high temperature cooling medium, by inciting somebody to action
High temperature cooling medium is passed directly into boiler or after treatment the heat of cooling medium is reused for steam generator system, by warm sludge
Exposure degree utilizes.
Specifically, cooling medium is cooled using indirect type heat exchange mode to just cold slag in helical slag removing machine,
The higher cooling medium of temperature that produces after heat exchange or be passed through in slag cooler uses as cooling medium, or at cooling medium
Reason equipment processes Posterior circle and uses.
Specifically, cooling medium both can be such as liquids such as water or as the gaseous material such as air, both permissible
As water vapour etc. can be added directly into the material of boiler or as coal gas etc. can not be added directly into material in boiler.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or the spy describing with reference to this embodiment or example
Point is contained at least one embodiment or the example of the present invention.In this manual, to the schematic representation of above-mentioned term not
Identical embodiment or example must be directed to.And, the specific features of description, structure, material or feature can be in office
Combine in an appropriate manner in one or more embodiments or example.Additionally, in the case of not conflicting, the skill of this area
The feature of the different embodiments described in this specification or example and different embodiment or example can be tied by art personnel
Close and combine.
Although embodiments of the invention have been shown and described above it is to be understood that above-described embodiment is example
Property it is impossible to be interpreted as limitation of the present invention, those of ordinary skill in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, changes, replacing and modification.
Claims (10)
1. a kind of spiral slag-draining device for boiler, described boiler is provided with slag-drip opening it is characterised in that described spiral deslagging fills
Put including：
For the slag cooler that waste residue is cooled down, described slag cooler is provided with entrance and exit, described entrance and described slag-drip opening
It is connected；
Helical slag removing machine, described helical slag removing machine includes housing, helical axis and is used for the waste residue in described housing is cooled down
Cooling flowing path, described housing is provided with charging aperture and discharging opening, and described charging aperture is connected with described outlet, described cooling flowing path
There is cooling water inlet and coolant outlet, described helical axis is rotatably arranged in described housing with defeated towards described discharging opening
Send described waste residue.
2. the spiral slag-draining device for boiler according to claim 1 is it is characterised in that described cooling flowing path includes position
The first subflow road in the side wall of described housing.
3. the spiral slag-draining device for boiler according to claim 1 is it is characterised in that described slag cooler includes having
Hold shell and the flowing space for the coolant that flows in space, the described flowing space is located at described holding outside space with right
The described waste residue holding space is cooled down, and the described flowing space has inlet and gas outlet.
4. the spiral slag-draining device for boiler according to claim 3 it is characterised in that described hold space be provided with cold
But wind inlet and cooling air outlet, is held in space with described from holding the cooling wind in space described in described cooling wind inlet enters
Waste residue heat exchange after from described cooling air outlet discharge.
5. the spiral slag-draining device for boiler according to claim 3 is it is characterised in that described inlet is cold with described
But water out connection.
6. the spiral slag-draining device for boiler according to claim 4 is it is characterised in that also include processing meanss, institute
State processing meanss and be provided with gas feed, gas outlet, liquid-inlet and liquid outlet, described gas feed is gone out with described cooling wind
Mouth connection, described gas outlet is connected with described cooling wind inlet, and described liquid-inlet is connected with described coolant outlet, described
Liquid outlet is connected with described inlet, cools down wind and the liquid entering from described liquid-inlet from what described gas feed entered
Carry out heat exchange.
7. the spiral slag-draining device for boiler according to any one of claim 3-6 is it is characterised in that described give vent to anger
Mouth is suitable to connect with the gasifying agent air inlet pipe of boiler.
8. a kind of spiral Slagoff method for boiler is it is characterised in that spiral according to any one of claim 1-7
Slag-draining device carries out deslagging using described spiral Slagoff method, and described spiral Slagoff method comprises the steps：
The waste residue discharged from boiler is drained in slag cooler first and carries out cooling down for the first time；
Waste residue through cooling for the first time is drained in helical slag removing machine, described helical slag removing machine includes helical axis and cooling stream
Road, under the promotion of described helical axis, described waste residue moves and by described cooling flowing path towards the discharging opening of described helical slag removing machine
Cooling.
9. the spiral Slagoff method for boiler according to claim 8 is it is characterised in that also comprise the steps：Adopt
With processing meanss, heat exchange is carried out to the cooling medium discharged from described slag cooler and the cooling medium discharged from described cooling flowing path.
10. the spiral Slagoff method for boiler according to claim 8 is it is characterised in that also comprise the steps：Adopt
The heat of the steam that collection is discharged from described slag cooler, and the heat of recovery is arranged to described boiler using the energy as gasification reaction
Amount.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902863A (en) * | 2017-12-12 | 2018-04-13 | 长春三真实业有限公司 | A kind of greasy filth separates drawing mechanism |
| CN109737374A (en) * | 2019-03-13 | 2019-05-10 | 常州市长江热能有限公司 | A kind of circulating fluidized bed boiler |
| CN110081727A (en) * | 2019-05-28 | 2019-08-02 | 山西八达镁业有限公司 | A kind of reverse-flow star roller heat exchanger high temperature sludge afterheat utilizing system and method |
| CN111574081A (en) * | 2020-05-11 | 2020-08-25 | 宫涛 | Cement reposition of redundant personnel cooling device |
| CN113350958A (en) * | 2021-07-06 | 2021-09-07 | 杰瑞环保科技有限公司 | Purification method and purification device for high-temperature tailings |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072191U (en) * | 1990-01-06 | 1991-02-27 | 中国东方电站成套设备公司科学技术协会 | Slag cooling device for boiling bed |
| CN2230873Y (en) * | 1995-02-20 | 1996-07-10 | 青岛锅炉辅机除渣设备厂 | Screw cinder cooling apparatus |
| CN2374757Y (en) * | 1999-03-31 | 2000-04-19 | 刘卫 | Spirally controlled feeding/slagging machine |
| CN2436796Y (en) * | 2000-06-29 | 2001-06-27 | 上海昌鑫冶金高科技有限责任公司 | Screw double-water inner cooling slag-cooling machine |
| JP2006112754A (en) * | 2004-10-18 | 2006-04-27 | Mitsui Eng & Shipbuild Co Ltd | Cooling device of thermal decomposition residue |
| CN105670653A (en) * | 2016-03-29 | 2016-06-15 | 新疆广汇中化能源技术开发有限公司 | Semicoke cooling system |
| CN206280986U (en) * | 2016-11-25 | 2017-06-27 | 北京神雾环境能源科技集团股份有限公司 | For the spiral slag-draining device of boiler |
-
2016
- 2016-11-25 CN CN201611064104.4A patent/CN106439873A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2072191U (en) * | 1990-01-06 | 1991-02-27 | 中国东方电站成套设备公司科学技术协会 | Slag cooling device for boiling bed |
| CN2230873Y (en) * | 1995-02-20 | 1996-07-10 | 青岛锅炉辅机除渣设备厂 | Screw cinder cooling apparatus |
| CN2374757Y (en) * | 1999-03-31 | 2000-04-19 | 刘卫 | Spirally controlled feeding/slagging machine |
| CN2436796Y (en) * | 2000-06-29 | 2001-06-27 | 上海昌鑫冶金高科技有限责任公司 | Screw double-water inner cooling slag-cooling machine |
| JP2006112754A (en) * | 2004-10-18 | 2006-04-27 | Mitsui Eng & Shipbuild Co Ltd | Cooling device of thermal decomposition residue |
| CN105670653A (en) * | 2016-03-29 | 2016-06-15 | 新疆广汇中化能源技术开发有限公司 | Semicoke cooling system |
| CN206280986U (en) * | 2016-11-25 | 2017-06-27 | 北京神雾环境能源科技集团股份有限公司 | For the spiral slag-draining device of boiler |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107902863A (en) * | 2017-12-12 | 2018-04-13 | 长春三真实业有限公司 | A kind of greasy filth separates drawing mechanism |
| CN109737374A (en) * | 2019-03-13 | 2019-05-10 | 常州市长江热能有限公司 | A kind of circulating fluidized bed boiler |
| CN110081727A (en) * | 2019-05-28 | 2019-08-02 | 山西八达镁业有限公司 | A kind of reverse-flow star roller heat exchanger high temperature sludge afterheat utilizing system and method |
| CN110081727B (en) * | 2019-05-28 | 2024-03-05 | 山西八达镁业有限公司 | System and method for utilizing high-temperature slag waste heat of counter-flow star-shaped roller heat exchanger |
| CN111574081A (en) * | 2020-05-11 | 2020-08-25 | 宫涛 | Cement reposition of redundant personnel cooling device |
| CN111574081B (en) * | 2020-05-11 | 2022-08-02 | 南京中联水泥有限公司 | Cement reposition of redundant personnel cooling device |
| CN113350958A (en) * | 2021-07-06 | 2021-09-07 | 杰瑞环保科技有限公司 | Purification method and purification device for high-temperature tailings |
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