CN209652254U - A kind of fluidized bed dreg removing system - Google Patents
A kind of fluidized bed dreg removing system Download PDFInfo
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- CN209652254U CN209652254U CN201920264748.0U CN201920264748U CN209652254U CN 209652254 U CN209652254 U CN 209652254U CN 201920264748 U CN201920264748 U CN 201920264748U CN 209652254 U CN209652254 U CN 209652254U
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- slag
- chiller
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- quench
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Abstract
The utility model discloses a kind of fluidized bed dreg removing systems comprising chiller, slag lock, detritus tank and the dilatation pipe and circulating water pipe being arranged from top to bottom；Chiller includes chiller ontology, is equipped with slag mouth in the bottom of chiller ontology；It is equipped with slag dropping tube vertically in chiller ontology, the top of slag dropping tube runs through the chiller ontology, is placed in chiller body exterior；The bottom of slag dropping tube is fixed with slag pipe, and slag pipe is obliquely installed, and the side wall of slag pipe and the bottom of slag dropping tube penetrate through and be arranged；Quench water pipe is additionally provided in chiller ontology；It is cooling that the utility model can carry out effective temperature-reducing to lime-ash, slag, influence gasification hearth layer control are influenced to avoid pulp water from generating a large amount of steam, furthermore, the utility model can take urgent deslagging, it avoids influencing deslagging because of line clogging, production is influenced, it can be achieved that the steady highly effective slag draining of long period, guarantees that production is stablized safety and carried out.
Description
Technical field:
The utility model relates to Coal Gasification Technology fields, and in particular to a kind of fluidized bed dreg removing system.
Background technique:
Coal Gasification refers to coal in specific equipment, and organic matter and gasifying agent in coal are made under certain temperature and pressure
Series of chemical occurs for (such as steam/air or oxygen), converts solid coal to containing CO, H2、CH4Equal fuel gas
And CO2、N2The process of equal incombustible gas.Coal Gasification be Coal Energy Source conversion basic technology and Development of Coal Chemical Industry in most
Important and crucial one of technical process, bed pulverized coal gasification technology be it is a kind of it is clean, efficiently solid-state coal is converted to it is gaseous
The features such as advanced technology of synthetic gas has coal adaptability wide, safe operation.Coal and gasifying agent occur in gasification furnace for coal
Gasification reaction, obtain raw gas and lime-ash, gasification furnace is discharged by dreg removing system in lime-ash.Existing gasification furnace dreg removing system point
For dry cinder discharging and two kinds of wet-process deslagging, there is dust pollution in dry cinder discharging, and subsequent dreg removing system is relative complex, if
Standby material is more demanding；Wet-process deslagging without dust pollution problem, but existing wet-process deslagging system has the disadvantage in that 1, gas
Change the lime-ash generated in furnace and enter chilling facility through scum pipe, chilling facility bottom is equipped with chilled water, and a large amount of high-temperature ash is fallen
Enter in chilled water, so that Quench coolant-temperature gage is higher, generates a large amount of saturated vapor, steam enters gasification furnace further through scum pipe
It is interior, cause that deslagging is uncontrollable, bed is uncontrollable in gasification furnace, to influence the continuous-stable operation of gasification furnace；2, slag in slag lock
Coolant-temperature gage is excessively high, pulp water need to be recycled after the cooling that exchanges heat in heat exchanger and is sent into chilling facility, since grey solid impurity particle settles
Speed is slow, and the band quantity of slag is big in pulp water, easily by line clogging, and then blocks heat exchanger, influences production efficiency.
Utility model content:
A kind of the purpose of this utility model is to provide deslagginves fluidized bed dreg removing system controllable, that Quench is high-efficient.
The utility model is implemented by following technical solution: a kind of fluidized bed dreg removing system comprising be arranged from top to bottom
Chiller, slag lock, detritus tank and dilatation pipe and circulating water pipe；
The chiller includes chiller ontology, is equipped with slag mouth in the bottom of the chiller ontology；
It is equipped with slag dropping tube vertically in the chiller ontology, the chiller ontology is run through at the top of the slag dropping tube,
It is placed in the chiller body exterior；The bottom of the slag dropping tube is fixed with slag pipe, and the slag pipe is obliquely installed, institute
The bottom perforation for stating the side wall and the slag dropping tube of slag pipe is arranged；Quench water pipe is additionally provided in the chiller ontology, it is described
One end of Quench water pipe is set in the high-end pipe of the slag pipe, and the other end of the Quench water pipe runs through the chiller ontology
Wall, be placed in the chiller body exterior；It is set in one end that the Quench water pipe is located at the chiller body exterior
There is Quench water valve；
Quench is equipped on described this body sidewall of chiller for being located at planar lower where the slag pipe low side promptly to arrange
Cinder notch is equipped with the urgent residual cake valve of Quench on the urgent slag-drip opening of the Quench；
The slag mouth of the chiller ontology is connect with the slag inlet of the slag lock by pipeline, and the chiller is being connected to
Ontology and the pipeline of the slag lock are equipped with slag valve；The urgent slag-drip opening of slag lock, the slag lock are equipped in the bottom of the slag lock
Urgent slag-drip opening is connected to the detritus tank by pipeline, in the pipeline for being connected to the slag lock urgent slag-drip opening and the detritus tank
It is equipped with the urgent residual cake valve of slag lock；
It is equipped with slag-drip opening on the lower sides of the slag lock, residual cake valve is equipped on the slag-drip opening；
The urgent slag-drip opening of Quench and the slag-drip opening are connected to the dilatation pipe, and the outlet of the dilatation pipe is placed in
The detritus tank lower part；
The water inlet end of the circulating water pipe is placed in the detritus tank, the water outlet of the circulating water pipe and the chilled water
One end that pipe is located at the chiller body exterior is connected to, and water circulating pump is equipped on the circulating water pipe.
Further, in the detritus tank vertically be equipped with baffle, the baffle by the detritus tank be isolated into decanting zone and
Overflow area, the decanting zone and the overflow area are connected to by the overflow port at the top of baffle；The urgent slag-drip opening of the slag lock and institute
The decanting zone for stating detritus tank is connected to by pipeline, and the outlet of the dilatation pipe is placed in the lower part of the decanting zone, the recirculated water
Water inlet tube end is placed in the overflow area.
Further, the bottom of pond of the settling tank is obliquely installed gradually downward from the overflow area to the decanting zone.
It further, further include relief tube, one end of the relief tube is connected to the side wall of the slag lock, the pressure release
The other end of pipe is connected to the dilatation pipe, and relief valve is equipped on the relief tube.
It further, further include Quench backwash tube, one end of the Quench backwash tube and the circulating water pipe connect
Logical, the other end of the Quench backwash tube is connected to the urgent slag-drip opening of the Quench, is equipped on the Quench backwash tube
Quench backwash valve.
It further, further include slag lock backwash tube, one end of the slag lock backwash tube and the circulating water pipe connect
Logical, the other end of the slag lock backwash tube is connected to the slag-drip opening, and slag lock is equipped on the slag lock backwash tube and is recoiled
Wash valve.
Further, it is equipped with pressure gauge in the chiller bodies top, is equipped with liquid level in the chiller body side
Meter and thermometer.
The advantages of the utility model: the utility model provides a kind of fluidized bed dreg removing system, has the advantage that (1)
Slag pipe is set in the slag pipe end of chiller, the higher one end of slag pipe is connected to Quench water pipe, falls down in slag dropping tube
Lime-ash is first fallen in slag pipe, is cooled down by spraying a large amount of chilled waters in Quench water pipe to the lime-ash fallen on slag pipe, is connect
Slag pipe is obliquely installed, and is fallen into cooling water convenient for lime-ash, and lime-ash can be effectively prevent to gather in slag pipe；Lime-ash is on slag pipe
Can preliminary effective temperature-reducing it is cooling, avoiding pulp water from generating a large amount of steam influences slags, influences gasification hearth layer control；(2) lime-ash is first
The preliminary cooling down on slag pipe, then falls into cooling down in pulp water, enters back into slag lock and continues cooling down, by multiple
Cooling down improves lime-ash cooling efficiency, avoids pulp water overtemperature, without using heat exchanger to exchange heat pulp water, avoid
Because line clogging influences production efficiency；(3) by setting dilatation pipe, the urgent scum pipe of Quench, the urgent scum pipe of slag lock and
Relief tube can not start urgent deslagging when outlet in deslagging blockage, pulp water, thus avoid influencing deslagging because of line clogging,
Influence production；(4) it is used as chilled water and backwashing water after the clear liquid in detritus tank being pressurizeed by water circulating pump, is conducive to save
Water resource.The utility model can realize the steady highly effective slag draining of long period, guarantee that production is stablized safety and carried out.
Detailed description of the invention:
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the utility model chiller structural schematic diagram.
Wherein: chiller ontology 1, slag dropping tube 11, slag pipe 12, Quench water pipe 13, Quench water valve 14, the urgent deslagging of Quench
Mouth 15, the urgent residual cake valve 16 of Quench, slag mouth 17, slag valve 18, slag lock 2, the urgent slag-drip opening 21 of slag lock, the urgent residual cake valve of slag lock
22, slag-drip opening 23, residual cake valve 24, relief tube 25, relief valve 26, detritus tank 3, decanting zone 31, overflow area 32, overflow port 33, gear
Plate 34, dilatation pipe 4, circulating water pipe 5, Quench backwash tube 51, Quench backwash valve 52, slag lock backwash tube 53, slag lock recoil
Wash valve 54, water circulating pump 6, pressure gauge 7, thermometer 8, liquidometer 9.
Specific embodiment:
As shown in Figs. 1-2, a kind of fluidized bed dreg removing system comprising the chiller that is arranged from top to bottom, slag lock 2, sediment
Pond 3 and dilatation pipe 4 and circulating water pipe 5；
Chiller includes chiller ontology 1, is equipped with slag mouth 17 in the bottom of chiller ontology 1；
It is equipped with slag dropping tube 11 vertically in chiller ontology 1, the top of slag dropping tube 11 is run through chiller ontology 1, is placed in
Outside chiller ontology 1；The bottom of slag dropping tube 11 is fixed with slag pipe 12, and slag pipe 12 is obliquely installed, the side of slag pipe 12
The bottom of wall and slag dropping tube 11, which penetrates through, to be arranged；Quench water pipe 13 is additionally provided in chiller ontology 1, one end of Quench water pipe 13 is set to
In the high-end pipe of slag pipe 12, the other end of Quench water pipe 13 runs through the wall of chiller ontology 1, is placed in chiller ontology 1
It is external；It is located at one end outside chiller ontology 1 equipped with Quench water valve 14 in Quench water pipe 13；
The urgent slag-drip opening of Quench is equipped on 1 side wall of chiller ontology for being located at planar lower where 12 low side of slag pipe
15, the urgent residual cake valve 16 of Quench is equipped on the urgent slag-drip opening 15 of Quench；
The slag mouth 17 of chiller ontology 1 is connect with the slag inlet of slag lock 2 by pipeline, in connection 1 He of chiller ontology
The pipeline of slag lock 2 is equipped with slag valve 18；The urgent slag-drip opening 21 of slag lock, the urgent slag-drip opening 21 of slag lock are equipped in the bottom of slag lock 2
It is connected to detritus tank 3 by pipeline, is equipped with the urgent deslagging of slag lock on the pipeline of the urgent slag-drip opening 21 of connection slag lock and detritus tank 3
Valve 22；
It is equipped with slag-drip opening 23 on the lower sides of slag lock 2, residual cake valve 24 is equipped on slag-drip opening 23；
The urgent slag-drip opening 15 of Quench and slag-drip opening 23 are connected to dilatation pipe 4, and the outlet of dilatation pipe 4 is placed under detritus tank 3
Portion；
The water inlet end of circulating water pipe 5 is placed in detritus tank 3, and the water outlet of circulating water pipe 5 and Quench water pipe 13 are located at Quench
One end connection outside device ontology 1, is equipped with water circulating pump 6 on circulating water pipe 5.
Baffle 34 is equipped in detritus tank 3 vertically, detritus tank 3 is isolated into decanting zone 31 and overflow area 32 by baffle 34, is settled
Area 31 is connected to overflow area 32 by the overflow port 33 at 34 top of baffle；The decanting zone of slag lock urgent slag-drip opening 21 and detritus tank 3
31 are connected to by pipeline, and the outlet of dilatation pipe 4 is placed in the lower part of decanting zone 31, and 5 water inlet end of circulating water pipe is placed in overflow area 32,
The bottom of pond of settling tank is obliquely installed gradually downward from overflow area 32 to decanting zone 31.
It further includes relief tube 25, and one end of relief tube 25 is connected to the side wall of slag lock 2, the other end of relief tube 25 and expansion
Hold pipe 4 to be connected to, relief valve 26 is equipped on relief tube 25.
It further includes Quench backwash tube 51, and one end of Quench backwash tube 51 is connected to circulating water pipe 5, Quench backwash
The other end of pipe 51 is connected to the urgent slag-drip opening 15 of Quench, and Quench backwash valve 52 is equipped on Quench backwash tube 51, when even
It connects when being blocked in the urgent slag-drip opening of Quench 15 and the pipeline of dilatation pipe 4, the pipeline can be rushed with high pressure backwashing water
It washes.
It further includes slag lock backwash tube 53, and one end of slag lock backwash tube 53 is connected to circulating water pipe 5, slag lock backwash
The other end of pipe 53 is connected to slag-drip opening 23, and slag lock backwash valve 54 is equipped on slag lock backwash tube 53, when connection slag-drip opening
23 with being blocked in the pipeline of dilatation pipe 4 when, the pipeline can be rinsed with high pressure backwashing water.
It is equipped with pressure gauge 7 at the top of chiller ontology 1, is equipped with liquidometer 9 and thermometer 8 in 1 side of chiller ontology.
Working principle: fine coal carries out synthetic reaction in gasification furnace, and the lime-ash for reacting generation is entered by slag dropping tube 11 to swash
It in cooler ontology 1 and falls on slag pipe 12, by spraying a large amount of chilled water in Quench water pipe 13 to the lime-ash on slag pipe 12
It is rinsed and first cooling down, lime-ash and water are fallen into the cooling water of 1 lower part of chiller ontology to cool down again.
When normal deslagging, slag valve 18 and residual cake valve 24 are opened, the urgent residual cake valve 16 of Quench, the urgent residual cake valve of slag lock
22, relief valve 26, Quench backwash valve 52 and slag lock backwash valve 54 are turned off, and cooling water are full of in slag lock 2, pulp water is by swashing
The slag mouth 17 of 1 bottom of cooler ontology is fallen directly in 2 cooling water of slag lock, and the pulp water in slag lock 2 is discharged into expansion by slag-drip opening 23
Hold in pipe 4 and drop into the decanting zone 31 in detritus tank 3 again after decompression, supernatant is from 33 overflow of overflow port to overflow in decanting zone 31
Area 32, the clear liquid of overflow area 32 are used as chilled water and backwashing water reuse after pressurizeing by water circulating pump 6.
When the pipeline that slag-drip opening 23 is connected to dilatation pipe 4 blocks, slag valve 18 is first closed, then open relief valve
26, make 2 pressure release of slag lock, then open the urgent residual cake valve 22 of slag lock, pulp water drains into the decanting zone in detritus tank 3 under the effect of gravity
31, to can reduce agitation of the pulp water to 31 bottom ashe of decanting zone, then slag lock backwash valve 54 is opened, to slag-drip opening 23 and expanded
Hold the pipeline that pipe 4 is connected to and carry out backwash dredging, after its is unobstructed, closes slag lock backwash valve 54, close the urgent deslagging of slag lock
Valve 22, opens slag valve 18, and slag lock 2 can proceed with slag.
When 2 deslagging of slag lock is unsmooth, i.e., the pipeline and the urgent slag-drip opening 21 of slag lock being connected between slag-drip opening 23 and dilatation pipe 4
When the pipeline being connected between detritus tank 3 blocks, slag lock 2 is in canful state, can not deslagging, in chiller ontology 1
Pulp water liquid level go up, when liquidometer 9 show chiller ontology 1 in liquid level be more than setting value when, open the urgent residual cake valve of Quench
16, pulp water can drain into dilatation pipe 4 and drop down onto detritus tank 3 along dilatation pipe 4, so as to continue deslagging, will not influence gasification furnace and hold
It is continuous to stablize deslagging, it ensure that the stability and continuity of operation of system operation, after use, open Quench backwash valve 52,
The pipeline being connected between the urgent slag-drip opening of Quench 15 and dilatation pipe 4 is backwashed.
When pressure gauge 7 shows that the pressure in chiller ontology 1 is more than setting value, show in chiller ontology 1 temperature compared with
Height produces a large amount of steam, adjusts the aperture of Quench water valve 14, slag valve 18 and residual cake valve 24 at this time, increases Quench water pipe
The amount of water sprayed of chilled water in 13, while increasing the bed drain purge of chiller ontology 1 and slag lock 2, so as to reduce in chiller ontology 1
Temperature.
When thermometer 8 show chiller ontology 1 in temperature be more than setting value when, adjust Quench water valve 14, slag valve 18 with
And the aperture of residual cake valve 24, increase the amount of water sprayed of chilled water in Quench water pipe 13, while increasing chiller ontology 1 and slag lock 2
Bed drain purge, so as to reduce the temperature in chiller ontology 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (7)
1. a kind of fluidized bed dreg removing system, which is characterized in that it includes the chiller being arranged from top to bottom, slag lock, detritus tank, with
And dilatation pipe and circulating water pipe；
The chiller includes chiller ontology, is equipped with slag mouth in the bottom of the chiller ontology；
It is equipped with slag dropping tube vertically in the chiller ontology, the chiller ontology, juxtaposition are run through in the top of the slag dropping tube
In the chiller body exterior；The bottom of the slag dropping tube is fixed with slag pipe, and the slag pipe is obliquely installed, described to connect
The bottom of the side wall of slag pipe and the slag dropping tube, which penetrates through, to be arranged；Quench water pipe, the Quench are additionally provided in the chiller ontology
One end of water pipe is set in the high-end pipe of the slag pipe, and the other end of the Quench water pipe runs through the device of the chiller ontology
Wall is placed in the chiller body exterior；It is equipped with and swashs in one end that the Quench water pipe is located at the chiller body exterior
Cold valves；
The urgent slag-drip opening of Quench is equipped on described this body sidewall of chiller for being located at planar lower where the slag pipe low side,
The urgent residual cake valve of Quench is equipped on the urgent slag-drip opening of the Quench；
The slag mouth of the chiller ontology is connect with the slag inlet of the slag lock by pipeline, and the chiller ontology is being connected to
Slag valve is equipped with the pipeline of the slag lock；It is equipped with the urgent slag-drip opening of slag lock in the bottom of the slag lock, the slag lock is urgent
Slag-drip opening is connected to the detritus tank by pipeline, is set on the pipeline for being connected to the urgent slag-drip opening of slag lock and the detritus tank
There is the urgent residual cake valve of slag lock；
It is equipped with slag-drip opening on the lower sides of the slag lock, residual cake valve is equipped on the slag-drip opening；
The urgent slag-drip opening of Quench and the slag-drip opening are connected to the dilatation pipe, and the outlet of the dilatation pipe is placed in described
Detritus tank lower part；
The water inlet end of the circulating water pipe is placed in the detritus tank, the water outlet of the circulating water pipe and Quench water pipe position
It is connected in one end of the chiller body exterior, water circulating pump is equipped on the circulating water pipe.
2. a kind of fluidized bed dreg removing system according to claim 1, which is characterized in that be equipped with gear in the detritus tank vertically
The detritus tank is isolated into decanting zone and overflow area by plate, the baffle, and the decanting zone and the overflow area pass through baffle top
The overflow port in portion is connected to；The urgent slag-drip opening of slag lock is connected to the decanting zone of the detritus tank by pipeline, the dilatation pipe
Outlet be placed in the lower part of the decanting zone, the circulating water pipe water inlet end is placed in the overflow area.
3. a kind of fluidized bed dreg removing system according to claim 2, which is characterized in that the bottom of pond of the detritus tank is from described
Overflow area is obliquely installed gradually downward to the decanting zone.
4. a kind of fluidized bed dreg removing system according to claim 1, which is characterized in that it further includes relief tube, described to let out
One end of pressure pipe is connected to the side wall of the slag lock, and the other end of the relief tube is connected to the dilatation pipe, in the pressure release
Pipe is equipped with relief valve.
5. a kind of fluidized bed dreg removing system according to claim 1, which is characterized in that it further includes Quench backwash tube,
One end of the Quench backwash tube is connected to the circulating water pipe, and the other end of the Quench backwash tube and the Quench are tight
Anxious slag-drip opening connection, is equipped with Quench backwash valve on the Quench backwash tube.
6. a kind of fluidized bed dreg removing system according to claim 1, which is characterized in that it further includes slag lock backwash tube,
One end of the slag lock backwash tube is connected to the circulating water pipe, the other end and the slag-drip opening of the slag lock backwash tube
Connection is equipped with slag lock backwash valve on the slag lock backwash tube.
7. a kind of fluidized bed dreg removing system according to claim 1, which is characterized in that set in the chiller bodies top
There is pressure gauge, is equipped with liquidometer and thermometer in the chiller body side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920264748.0U CN209652254U (en) | 2019-03-01 | 2019-03-01 | A kind of fluidized bed dreg removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920264748.0U CN209652254U (en) | 2019-03-01 | 2019-03-01 | A kind of fluidized bed dreg removing system |
Publications (1)
| Publication Number | Publication Date |
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| CN209652254U true CN209652254U (en) | 2019-11-19 |
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ID=68525627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201920264748.0U Active CN209652254U (en) | 2019-03-01 | 2019-03-01 | A kind of fluidized bed dreg removing system |
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| Country | Link |
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| CN (1) | CN209652254U (en) |
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2019
- 2019-03-01 CN CN201920264748.0U patent/CN209652254U/en active Active
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