CN101285007A - High-low temperature dry method ash-unloading device of coal gas and method - Google Patents
High-low temperature dry method ash-unloading device of coal gas and method Download PDFInfo
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- CN101285007A CN101285007A CN 200810011710 CN200810011710A CN101285007A CN 101285007 A CN101285007 A CN 101285007A CN 200810011710 CN200810011710 CN 200810011710 CN 200810011710 A CN200810011710 A CN 200810011710A CN 101285007 A CN101285007 A CN 101285007A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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Abstract
The invention provides a coal gas high-low temperature dry processed ash unloading device and a method thereof. Aiming at resolving defects existing in prior art that coal ashes separated out are wet and contain too much water, which is inconvenient for reutilization and causes the investment increase of a used water disposal system. Solutions provided by the invention is as follows: ash materials separated out by a high temperature separator apply an ash cooler(1) and a slag cooler(3) as a cooling method and a slag cooling method respectively; while the ash materials separated out by a low temperature separator apply a method of being cooled by the ash cooler(1) and stored in a big ash storage tank(4) and further dropping the temperature of unloaded materials by prolonging the staying time(depending on natural cooling) of the ash materials. The device and the method have the advantages of having a reasonable structure, ensuring long-time stable operation of the device and simultaneously reducing the investment of disposing used water, and discharged dry ashes can be reused; the slag cooler adopts an unique spiral propelling structure, which increases contact areas of dusts and cooling water and improves heat exchange efficiency; only water is used as a cooling medium, therefore ashes and slag at a temperature of 900 DEG C can be quickly cooled down below the temperature of 100 DEG C in a short time, and the physical sensible heat of the ashes and the slag can be effectively recovered, and the recovery ratio is more than 90 percent; due to the arrangement of temperature, pressure and CO monitoring devices, the safety of operation and maintenance can be ensured; due to the arrangement of an inert gas blowing device, the blockage of the structure is avoided.
Description
Technical field:
The present invention relates to a kind of ash-discharging device and method of in the gasification of gas maked coal, passing through the isolated coal ash of high and low temperature separator, relate in particular to a kind of gas maked coal high-low temperature dry method ash-unloading device and method.
Background technology:
The general high and low temperature separator that adopts of the ash that produces in the process to the flyash gasification separates dust, utilizes water to dash ash to water treatment system again, and there are the following problems like this:
The one, utilize the dust after aforesaid method is handled separation, moisture too many because of wet ash, can't utilize; The 2nd, cause the back water treatment system to increase investment, the water treatment of palpus two-stage just can reach and recycle purpose; The 3rd, water dashes ash and causes fouling obstruction water seal and make the shower nozzle shortening in work-ing life of washing the vapour tower.After causing the water treatment system of each unit to design completion to come into operation again dilatation adapt to the problem of increase, be dry ash because of what most of unit need discharge, and wet grey inconvenience utilizes again.
Summary of the invention: the coal ash of the present invention after for the separation that solves prior art and exist utilizes and causes the back water treatment system to increase deficiencies such as investment for the moisture too many inconvenience of wet ash again, and provides a kind of gas maked coal high-low temperature dry method ash-unloading device and method as follows:
Cooling, cold slag and discharge to the isolated ash material of high-temperature separator, adopt the gas maked coal high-low temperature dry method ash-unloading device, it mainly comprises the special valve (6) that is connected with the grey storage tank outlet of high-temperature separator, the ash-pit outlet of described high-temperature separator is communicated with/disconnects with Cooling apparatus for coal ash (1) through special service valve (6), and described Cooling apparatus for coal ash (1) is communicated with/disconnects with slag cooler (3) through special valve (6-1) by taking over (2) again; Described slag cooler (3) is communicated with ash-pit (4) by pipeline, and the outlet of described ash-pit (4) is communicated with/disconnects with dumper (5) by valve (7); The position corresponding of the discharge opening of described dumper (5) and enclosed drag conveyer (11).Described Cooling apparatus for coal ash (1) is connected with water storage tank (8) by pipeline with slag cooler (3), and makes the loop that forms water between Cooling apparatus for coal ash (1) and slag cooler (3) and the water storage tank (8) by water pump (9).
Cooling and ash discharge to the isolated ash material of low-temperature separator, adopt the gas maked coal high-low temperature dry method ash-unloading device, it mainly comprises the special valve (6) that is connected with the grey storage tank outlet of low-temperature separator, the special valve (6) that the outlet of described low-temperature separator ash storage tank connects is communicated with/disconnects with Cooling apparatus for coal ash (1), then described Cooling apparatus for coal ash (1) directly is communicated with storage tank (4) through special valve (6-1), the outlet of described ash-pit (4) is communicated with/disconnects with dumper (5) by valve (7); The position corresponding of the discharge opening of described dumper (5) and enclosed drag conveyer (11).
Cooling, cold slag and discharge to the isolated ash material of high-temperature separator, adopt gas maked coal high-low temperature dry method ash-unloading method, this method realizes by following step: utilize the gas maked coal high-low temperature dry method ash-unloading device, ash-pit outlet under high-temperature separator connects Cooling apparatus for coal ash (1) through special valve (6), and temperature is reduced to below 600 ℃; Entering slag cooler (3) by adapter (2) through high-temperature valve (6-1) then is cooled to less than below 100 ℃ ash; Send into again to have and hinder in the ash-pit (4) that moves formula height level gage (10), have nitrogen report ripple vibrator on ash-pit (4) wall, be connected to special-purpose dumper (5) from ash-pit (4) outlet and discharge.Be discharged in the enclosed drag conveyer (11), the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
Cooling and ash discharge to the isolated coal ash of low-temperature separator, adopt gas maked coal high-low temperature dry method ash-unloading method, this method realizes by following step: utilize gas maked coal to hang down temperature dry method ash-unloading device, enter the Cooling apparatus for coal ash (1) through the ash-pit outlet from the isolated ash material of low-temperature separator, send into again to have and hinder in the ash-pit (4) that moves formula height level gage (10), have nitrogen report ripple vibrator on ash-pit (4) wall, discharge from the special-purpose dumper (5) that ash-pit (4) outlet connects.Be discharged in the enclosed drag conveyer (11), the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
Beneficial effect of the present invention: rational in infrastructure, ensured device operation steady in a long-term, reduced the investment of back water treatment simultaneously, but the dry ash second stage employ of discharge.
Safe and reliable, be provided with low hydraulic pressure and super water temperature device.Because structural characteristics, it is stuck can not machine to occur, the material latch up phenomenon, and be provided with urgent slag-drip opening, in case the promptly deslagging that breaks down does not influence equipment safety operation;
Cooling power is strong, at short notice can be indirectly with about 1000 high-temperature ash, be quickly cooled to below 100 ℃;
Cindery physics sensible heat efficient recovery rate is a kind of high-efficiency heat exchanger equipment more than 90%;
Cooling water temperature rise is big, imports and exports the temperature difference and can reach more than 60 ℃, to improve the using value of water coolant;
Adopt dry slag disposal, kept cindery activity, improved cindery comprehensive utilization ratio greatly, help environment protection;
The equipment good airproof performance, all there is reliable tightness system in water ash road system, has guaranteed to carry out production strictly in line with rules and regulations, and has improved Working environment;
The easy compactness of device structure is easy for installation and maintenance;
Adopt the rolling resistance principle of propeller, coefficient of wear reduces greatly, and extend equipment life;
The slag design is led in employing, and warm sludge residence time in tube is long, and heat exchange area increases, good cooling results, and water loss is low.
Cold slag machine adopts unique propeller structure, increases the contact area of dust and water coolant, improves heat exchange efficiency.These cold slag facility have following characteristics:
1, the device structure uniqueness has an independently refrigerating unit, can extract out from the cylinder chuck during maintenance.
2, this single heat-eliminating medium of a water can make 900 ℃ of lime-ash be cooled to rapidly below 100 ℃ at short notice, and cindery physics sensible heat is effectively reclaimed, and the rate of recovery is a kind of high-efficiency heat exchanger equipment more than 90%.Cooling water temperature rise is big, and the Inlet and outlet water temperature difference can reach 60 ℃, to improve the using value of water coolant.
3, adopt special feeding structure, the control input speed prevents gas leak.
4, temperature, pressure, CO monitoring device are set, to guarantee the safety of operation and repair and maintenance.
5, establish the inert gas purge system, prevent blockage structure.
6, slag cooler has good abrasionproof performance, and its frictional coefficient is little, long service life.Can guarantee continuous trouble free operation in 8000 hours.
7, the slag cooler cylindrical shell is provided with drain, improves the security of system.
Description of drawings:
Fig. 1 gas maked coal high-low temperature dry method ash-unloading device structural representation (being connected) with the grey storage tank outlet of high-temperature separator
Fig. 2 gas maked coal high-low temperature dry method ash-unloading device structural representation (being connected) with the grey storage tank outlet of low-temperature separator
Fig. 3 is a slag cooler structural representation among Fig. 1
Embodiment:
The gas maked coal high-low temperature dry method ash-unloading device provides following scheme:
Referring to Fig. 1, cooling, cold slag and discharge to the isolated ash material of high-temperature separator, the gas maked coal high-low temperature dry method ash-unloading device that adopts, it mainly comprises the special valve 6 that is connected with the grey storage tank outlet of high-temperature separator, the outlet of the ash-pit of described high-temperature separator is communicated with/disconnects with Cooling apparatus for coal ash 1 through special service valve 6, and described Cooling apparatus for coal ash 1 passes through adapter 2 again and is communicated with/disconnects with slag cooler 3 through special valve 6-1; Described slag cooler 3 is communicated with ash-pit 4 by pipeline, and the outlet of described ash-pit 4 is communicated with/disconnects with dumper 5 by valve 7; The position corresponding of the discharge opening of described dumper 5 and enclosed drag conveyer 11.
Described Cooling apparatus for coal ash 1 is connected with water storage tank 8 by pipeline with slag cooler 3, and makes the loop that forms water between Cooling apparatus for coal ash 1 and slag cooler 3 and the water storage tank 8 by water pump 9.
Referring to Fig. 3, described slag cooler 3 is mainly by slag input watertight chest 3-9, watertight chest 3-10 slags tap, water coolant pipe connecting 3-3, double-deck water-cooled cylindrical shell 3-5, base 3-16 forms, and the described slag input watertight chest 3-9 and the watertight chest 3-10 that slags tap place respectively on the base 3-16, are communicated with by double-deck water-cooled cylindrical shell 3-5 between two watertight chests; Described double-deck water-cooled cylindrical shell 3-5 is connected by chain gear with hinge wheel 3-6, minor sprocket 3-7, and hinge wheel is fixed on the double-deck water-cooled cylindrical shell 3-5, minor sprocket is fixed on the step-down gear 3-8, makes slag cooler 3 form propeller structures; On described slag input watertight chest 3-9, be provided with slag inlet 3-1 and air outlet 3-2; Be provided with the water-in 3-12 of inspection door 3-15 and water coolant and the swivel joint 3-11 of water outlet 3-13 on the described watertight chest 3-10 that slags tap, slag notch 3-17 is located under the base; On base 3-16, also be provided with supporting cup 3-4 and the carrying roller 3-14 of water coolant pipe connecting 3-3 and double-deck water-cooled cylindrical shell 3-5.
On described slag cooler 3, be provided with pressure, temperature monitoring warning device and inert gas purge mechanism.
Referring to Fig. 2, cooling and discharge to the isolated ash material of low-temperature separator, the gas maked coal high-low temperature dry method ash-unloading device that adopts, it mainly comprises the special valve 6 that is connected with the grey storage tank outlet of low-temperature separator, the special valve 6 that the outlet of described low-temperature separator ash storage tank connects is communicated with/disconnects with Cooling apparatus for coal ash 1, then described Cooling apparatus for coal ash 1 directly is communicated with storage tank 4 through special valve 6-1, the outlet of described ash-pit 4 is communicated with/disconnects with dumper 5 by valve 7; The position corresponding of the discharge opening of described dumper 5 and enclosed drag conveyer 11.
Described ash-pit 4 has resistance and moves formula height level gage 10, has nitrogen report ripple vibrator on ash-pit 4 walls.
For making the ash discharge temperature be lower than the gas firing point, the assurance system can be normally, operation safely, need be to the dust removing system processing of further lowering the temperature.Under former high and low temperature separator hopper, the gas maked coal high-low temperature dry method ash-unloading device is set respectively, by Cooling apparatus for coal ash 1 and slag cooler 3, the ash material can be cooled to below 150 ℃, and be provided with temperature, pressure, CO monitoring device and inert gas purge mechanism, with the safety of operation of assurance system and repair and maintenance.Water coolant adopts softening water, to improve the heat utilization efficiency of total system.Slag cooler 3 discharge ports are divided into an ash-pit 4 (Qi Bishang has nitrogen report ripple vibrator), two dumpers 5 and resistance and are moved formula height level gage 10.Move the start and stop that formula height level gage 10 is controlled dumper 5 by resistance.When feed bin is high-order, opens dumper 5 ash is discharged; During low level, close dumper 5.At the feed opening place online device for detecting temperature is set, so that detect the temperature of unloading ash at any time.Be discharged in the enclosed drag conveyer 11 from dumper 5, the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
Slag cooler is to discharge and the highly efficient cooling device of design at fluidizing furnace fluidized-bed combustion boiler, circular fluid bed, gas maked coal High Temperature High Pressure stove, boiler of power plant high-temperature ash.It can be cooled to the high-temperature ash below 1000 ℃ below 100 ℃ fast, thereby provides the necessary precondition condition for the supporting mechanical type of next stage or the defeated slag system of Pneumatic type.
Embodiment 1
Gas maked coal high-low temperature dry method ash-unloading method provides following scheme:
Cooling, cold slag and discharge to the isolated ash material of high-temperature separator, adopt gas maked coal high-low temperature dry method ash-unloading method to realize: to utilize the gas maked coal high-low temperature dry method ash-unloading device by following step, ash-pit outlet under high-temperature separator connects Cooling apparatus for coal ash 1 through special valve 6, and temperature is reduced to below 600 ℃; Enter slag cooler 3 through high-temperature valve 6-1 ash is cooled to less than below 100 ℃ by taking over 2 then; Send into again to have and hinder in the ash-pit 4 that moves formula height level gage 10, have nitrogen report ripple vibrator on ash-pit 4 walls, be connected to special-purpose dumper 5 from ash-pit 4 outlets and discharge.Be discharged in the enclosed drag conveyer 11, the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
About 900 ℃ of high-temperature separator ash discharge temperature for guaranteeing system safety operation, is installed as Cooling apparatus for coal ash 1 and cold slag machine 3 under former high-temperature separator hopper, do further cooling and handle.
The special valve 6-1 that the ash-pit outlet of high-temperature separator and the special service valve 6 between the Cooling apparatus for coal ash and Cooling apparatus for coal ash 1 and slag cooler are 3 adopts SS to seal high temperature valve firmly; Valve 7 between ash-pit 4 and the dumper 5 adopts CS soft seal valve.
High temperature ash material is cooled to about 700 ℃ through Cooling apparatus for coal ash 1, to ensure that SS seals the high temperature valve trouble-free service firmly.This high temperature valve is used to seal material and prevents that coal gas from scurrying out when cold slag machine examination is repaiied.The slag notch 3-17 of slag cooler 3 has ash-pit 4 (Qi Bishang has nitrogen report ripple vibrator) and dumper 5, is provided with resistance and moves formula height level gage 10 and pressure transmitter on ash-pit 4.Move the start and stop that formula height level gage 10 is controlled dumper 5 by resistance, monitor material level and pressure in the ash-pit 4 simultaneously, prevent the coal gas of scurrying out under work and the inspecting state.
The slag notch 3-17 of slag cooler 3 has ash-pit 4 (Qi Bishang has nitrogen report ripple vibrator), two dumpers 5 and resistance and moves formula height level gage 10.Move the start and stop that formula height level gage 10 is controlled dumper 5 by resistance.Two dumper 5 synchronous operations that are provided with during ash-pit 4 high positions, are opened dumper 5 ash are discharged; During ash-pit 4 low levels, close dumper 5.At the feed opening place online device for detecting temperature is set, so that detect the temperature of unloading ash at any time.At last the ash material is discharged in the enclosed drag conveyer 11 from dumper 5, the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).Each transmitter is monitored the temperature and the gas concentration of ash-pit 4 synchronously, opens in case of necessity and diffuses valve, avoids coal gas to assemble, and guarantees discharging safety.
The resistance of UL type moves the formula level meter and adopts the swing type transmission system, and when check-out console was obstructed, main shaft was obstructed and step-down gear 3-8 continuation operation, and electrical apparatus release is threaded off and also cut off step-down gear power supply, step-down gear stall and exhalation position signal; When the thing position descended, the check-out console resistance disappeared, and electrical apparatus release resets, and step-down gear is resumed work and exhalation position signal, and system is in detected state again.When the thing position changes when slow, can make level meter detect the discontinuous operation state that is in by the timer that installs additional in the level meter, to reduce power consumption and wearing and tearing.
Characteristics such as that the special-purpose dumper of selecting for use 5 has is high temperature resistant, wear-resistant, good seal performance, running is steady and noise is low.
Improve the separation efficiency of fly-ash separators at different levels, can further reduce the load of water wash column and circular water treating system, improve the aerogenesis quality.Gas exit dust-laden＜100mg/M
3The time, the inlet particle concentration is answered＜2000mg/M
3～5000mg/M
3Press 10000M
3/ h gas production rate meter removes dust quantity and should be 20～50Kg/h, accounts for 6.5% of total dust (781Kg/h), and promptly 93.5% dust quantity should be removed before washing.Centrifuge separator is difficult to remove the following particle of particle diameter 5 μ m, and filtering type (cloth bag) temperature, humidity, is difficult to resolve than reliability, cost and safety problems such as resistance, rare gas element blowback and interpolar discharges and determines though dedusting or electric dust removing system can reach.
During condition maturity, optional majority pipe or circulation tornado dust collector are replaced existing high and low temperature tornado dust collector, improve separation efficiency.Or behind useless pot evaporator section, establish the primary dust removing device, and set up useless pot of low temperature and secondary ash collector then, help solving the problem of level gage and dumper, and guarantee that safety realizes dry method ash discharge and conveying.
Cooling and discharge to the isolated ash material of low-temperature separator, adopt gas maked coal high-low temperature dry method ash-unloading method to realize: to utilize gas maked coal to hang down temperature dry method ash-unloading device by following step, enter the Cooling apparatus for coal ash 1 through the ash-pit outlet from the isolated ash material of low-temperature separator, send into again to have and hinder in the ash-pit 4 that moves formula height level gage 10, have nitrogen report ripple vibrator on ash-pit 4 walls, discharge from the special-purpose dumper 5 that ash-pit 4 outlets connect.Be discharged in the enclosed drag conveyer 11, the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
The ash material that low temperature whirlwind ash discharge temperature (240～280 ℃) is lower than gas firing point is handled, for reducing investment, simplify flow process and being convenient to management, can no longer set up cooling system (being slag cooler 3), and adopt big ash-pit 4, further reduce discharge temp by prolonging the ash material residence time (dependence naturally cooling).Approximately the ash material stopped 20～40 hours.The special valve 6-1 that special valve 6 between storage tank outlet of low-temperature separator ash and the Cooling apparatus for coal ash 1 and Cooling apparatus for coal ash 1 and storage tank are 4 can adopt the special low temperature valve, and the valve 7 between the outlet of ash-pit 4 and the dumper 5 can adopt the WCB valve. and other are with embodiment 1.
Claims (8)
1, gas maked coal high-low temperature dry method ash-unloading device, it mainly comprises the special valve (6) that is connected with the grey storage tank outlet of high-temperature separator, it is characterized in that: the ash-pit outlet of described high-temperature separator is communicated with/disconnects with Cooling apparatus for coal ash (1) through special service valve (6), and described Cooling apparatus for coal ash (1) is communicated with/disconnects with slag cooler (3) through special valve (6-1) by taking over (2) again; Described slag cooler (3) is communicated with ash-pit (4) by pipeline, and the outlet of described ash-pit (4) is communicated with/disconnects with dumper (5) by valve (7); The position corresponding of the discharge opening of described dumper (5) and enclosed drag conveyer (11).
2, gas maked coal high-low temperature dry method ash-unloading device according to claim 1, it is characterized in that: described Cooling apparatus for coal ash (1) is connected with water storage tank (8) by pipeline with slag cooler (3), and makes the loop that forms water between Cooling apparatus for coal ash (1) and slag cooler (3) and the water storage tank (8) by water pump (9).
3, gas maked coal high-low temperature dry method ash-unloading device according to claim 1, it is characterized in that: described slag cooler (3) is mainly by slag input watertight chest (3-9), the watertight chest (3-10) of slagging tap, water coolant pipe connecting (3-3), double-deck water-cooled cylindrical shell (3-5), base (3-16) is formed, and described slag input watertight chest (3-9) and the watertight chest of slagging tap (3-10) place respectively on the base (3-16), are communicated with by double-deck water-cooled cylindrical shell (3-5) between two watertight chests; Described double-deck water-cooled cylindrical shell (3-5) is connected by chain gear with hinge wheel (3-6), minor sprocket (3-7), and hinge wheel is fixed on the double-deck water-cooled cylindrical shell (3-5), minor sprocket is fixed on the step-down gear (3-8), makes slag cooler (3) form propeller structure; On described slag input watertight chest (3-9), be provided with slag inlet (3-1) and air outlet (3-2); Be provided with intake-outlet (3-12) swivel joint (3-11) (3-13) of inspection door (3-15) and water coolant on the described watertight chest of slagging tap (3-10), slag notch (3-17) is located under the base; On base (3-16), also be provided with the supporting cup (3-4) and the carrying roller (3-14) of water coolant pipe connecting (3-3) and double-deck water-cooled cylindrical shell (3-5).
4, according to claim 1 or 2 or 3 described gas maked coal high-low temperature dry method ash-unloading devices, it is characterized in that: on described slag cooler (3), be provided with pressure, temperature monitoring warning device and inert gas purge mechanism.
5, gas maked coal high-low temperature dry method ash-unloading device, it mainly comprises the special valve (6) that is connected with the grey storage tank outlet of low-temperature separator, it is characterized in that: the special valve (6) that is connected with the outlet of described low-temperature separator ash storage tank is communicated with/disconnects with Cooling apparatus for coal ash (1), then described Cooling apparatus for coal ash (1) directly is communicated with storage tank (4) through special valve (6-1), the outlet of described ash-pit (4) is communicated with/disconnects with dumper (5) by valve (7); The position corresponding of the discharge opening of described dumper (5) and enclosed drag conveyer (11).
6, gas maked coal high-low temperature dry method ash-unloading device according to claim 1 or 5 is characterized in that: described ash-pit (4) has resistance and moves formula height level gage (10), has nitrogen report ripple vibrator on ash-pit (4) wall.
7, gas maked coal high-low temperature dry method ash-unloading method, realize by following step: utilize the gas maked coal high-low temperature dry method ash-unloading device, the ash-pit outlet under high-temperature separator connects Cooling apparatus for coal ash (1) through special valve (6), and temperature is reduced to below 600 ℃; Entering slag cooler (3) by adapter (2) through high-temperature valve (6-1) then is cooled to less than below 100 ℃ ash; Send into again to have and hinder in the ash-pit (4) that moves formula height level gage (10), have nitrogen report ripple vibrator on ash-pit (4) wall, be connected to special-purpose dumper (5) from ash-pit (4) outlet and discharge.Be discharged in the enclosed drag conveyer (11), the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
8, gas maked coal high-low temperature dry method ash-unloading method, realize by following step: utilize gas maked coal to hang down temperature dry method ash-unloading device, enter the Cooling apparatus for coal ash (1) through the ash-pit outlet from the isolated ash material of low-temperature separator, send into again to have and hinder in the ash-pit (4) that moves formula height level gage (10), have nitrogen report ripple vibrator on ash-pit (4) wall, discharge from the special-purpose dumper (5) that ash-pit (4) outlet connects.Be discharged in the enclosed drag conveyer (11), the dry ash of discharging is delivered to grey storehouse outside the battery limit (BL).
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| CN 200810011710 CN101285007B (en) | 2008-06-06 | 2008-06-06 | High-low temperature dry method ash-unloading method of coal gas |
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| CN 200810011710 CN101285007B (en) | 2008-06-06 | 2008-06-06 | High-low temperature dry method ash-unloading method of coal gas |
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| CN102977930A (en) * | 2012-11-22 | 2013-03-20 | 三门峡天昊干燥工程有限公司 | Superhigh-temperature ash slag cooling machine and superhigh-temperature ash slag cooling system composed of same |
| CN103620067A (en) * | 2011-02-25 | 2014-03-05 | 奥蒙德输送机有限责任公司 | Process for treating aluminium slags |
| CN108368438A (en) * | 2016-01-27 | 2018-08-03 | 三菱日立电力***株式会社 | Clinker discharge system and gasification furnace |
| CN111322631A (en) * | 2020-03-13 | 2020-06-23 | 浙江鑫盛永磁科技有限公司 | Combustion chamber ash treatment device based on magnetofluid power generation |
| CN111996038A (en) * | 2020-08-25 | 2020-11-27 | 哈尔滨锅炉厂有限责任公司 | Positive-pressure slag cooling system for biomass fluidized bed gasification furnace |
| CN112158801A (en) * | 2020-09-16 | 2021-01-01 | 宁波中科远东催化工程技术有限公司 | Non-catalytic oxidation system and method |
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Cited By (10)
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| CN103620067A (en) * | 2011-02-25 | 2014-03-05 | 奥蒙德输送机有限责任公司 | Process for treating aluminium slags |
| CN103620067B (en) * | 2011-02-25 | 2015-10-07 | 奥蒙德输送机有限责任公司 | For the treatment of the method for aluminium slag |
| US9587291B2 (en) | 2011-02-25 | 2017-03-07 | Aumond Fördertechnik GmbH | Method for treating aluminum slags |
| CN102977930A (en) * | 2012-11-22 | 2013-03-20 | 三门峡天昊干燥工程有限公司 | Superhigh-temperature ash slag cooling machine and superhigh-temperature ash slag cooling system composed of same |
| CN108368438A (en) * | 2016-01-27 | 2018-08-03 | 三菱日立电力***株式会社 | Clinker discharge system and gasification furnace |
| CN111322631A (en) * | 2020-03-13 | 2020-06-23 | 浙江鑫盛永磁科技有限公司 | Combustion chamber ash treatment device based on magnetofluid power generation |
| CN111322631B (en) * | 2020-03-13 | 2021-12-03 | 浙江鑫盛永磁科技有限公司 | Combustion chamber ash treatment device based on magnetofluid power generation |
| CN111996038A (en) * | 2020-08-25 | 2020-11-27 | 哈尔滨锅炉厂有限责任公司 | Positive-pressure slag cooling system for biomass fluidized bed gasification furnace |
| CN112158801A (en) * | 2020-09-16 | 2021-01-01 | 宁波中科远东催化工程技术有限公司 | Non-catalytic oxidation system and method |
| CN112158801B (en) * | 2020-09-16 | 2022-06-07 | 宁波中科远东催化工程技术有限公司 | Non-catalytic oxidation system and method |
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|---|---|
| CN101285007B (en) | 2011-06-22 |
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