CN106433790A - Gasification equipment capable of preventing slag blockage and provided with heat recovery device - Google Patents
Gasification equipment capable of preventing slag blockage and provided with heat recovery device Download PDFInfo
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- CN106433790A CN106433790A CN201610962233.9A CN201610962233A CN106433790A CN 106433790 A CN106433790 A CN 106433790A CN 201610962233 A CN201610962233 A CN 201610962233A CN 106433790 A CN106433790 A CN 106433790A
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- gasification
- gas
- slag
- equipment
- water
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- 238000002309 gasification Methods 0.000 title claims abstract description 92
- 239000002893 slag Substances 0.000 title claims abstract description 64
- 238000011084 recovery Methods 0.000 title abstract description 5
- 230000015572 biosynthetic process Effects 0.000 claims abstract description 64
- 238000003786 synthesis reaction Methods 0.000 claims abstract description 64
- 238000006243 chemical reaction Methods 0.000 claims abstract description 10
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 239000007789 gas Substances 0.000 claims description 133
- 238000001816 cooling Methods 0.000 claims description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 25
- 238000009826 distribution Methods 0.000 claims description 21
- 239000000428 dust Substances 0.000 claims description 21
- 238000010791 quenching Methods 0.000 claims description 17
- 238000007789 sealing Methods 0.000 claims description 13
- 238000005453 pelletization Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 10
- 239000003575 carbonaceous material Substances 0.000 claims description 6
- 239000004071 soot Substances 0.000 claims description 6
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 5
- 230000008676 import Effects 0.000 claims description 5
- 239000010410 layer Substances 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000010926 purge Methods 0.000 claims description 4
- 238000005507 spraying Methods 0.000 claims description 4
- 239000011229 interlayer Substances 0.000 claims description 3
- 238000000746 purification Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract 2
- 229910052799 carbon Inorganic materials 0.000 abstract 2
- 238000009825 accumulation Methods 0.000 abstract 1
- 108091006146 Channels Proteins 0.000 description 15
- 238000005516 engineering process Methods 0.000 description 14
- 239000003245 coal Substances 0.000 description 10
- 239000007788 liquid Substances 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 238000013517 stratification Methods 0.000 description 8
- 238000012546 transfer Methods 0.000 description 5
- 230000007774 longterm Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000014759 maintenance of location Effects 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005266 casting Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000001914 calming effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 239000003250 coal slurry Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000008246 gaseous mixture Substances 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000035772 mutation Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000007712 rapid solidification Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/485—Entrained flow gasifiers
- C10J3/487—Swirling or cyclonic gasifiers
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
- C10J3/76—Water jackets; Steam boiler-jackets
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
- C10J3/84—Gas withdrawal means with means for removing dust or tar from the gas
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
- C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0959—Oxygen
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0953—Gasifying agents
- C10J2300/0973—Water
- C10J2300/0976—Water as steam
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J2300/00—Details of gasification processes
- C10J2300/16—Integration of gasification processes with another plant or parts within the plant
- C10J2300/1625—Integration of gasification processes with another plant or parts within the plant with solids treatment
- C10J2300/1628—Ash post-treatment
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Industrial Gases (AREA)
- Gasification And Melting Of Waste (AREA)
Abstract
The invention discloses gasification equipment capable of preventing slag blockage and provided with a heat recovery device. The gasification equipment comprises a case, wherein a gasification reaction chamber, a gas slag guiding equipment, steam generators and a synthesis gas purifying and dedusting system are arranged in the case sequentially, the bottom of the synthesis gas purifying and dedusting system communicates with the case, an ash discharge port is formed in the bottom of the case, and a synthesis gas outlet is formed in one side of the case; burners allowing a carbon-containing material and a gasifying agent to enter the gasification reaction chamber are arranged on a casing of the gasification reaction chamber. With the adoption of the gasification equipment, sensible heat recovery after gasification of the carbon-containing material can be improved, and slag blockage is prevented; the steam generators are distributed in a staged manner, so that sensible heat of synthesis gas after gasification of the raw materials is recovered effectively and is about 8%-12% of lower heating value, a chilling compressor is omitted, equipment investment is reduced, furthermore, a technical solution for preventing slag blockage and ash accumulation is proposed, the fault point of the whole equipment is reduced, and long-period operation is guaranteed.
Description
Technical field
It relates to field of energy utilization, more particularly to a kind of can anti-blocking slag the equipment for gasification with heat reclamation device.
Background technology
Coal Gasification Technology is the process industrials such as development coal-based chemicals, coal base liquid fuel, combined cycle generation, hydrogen manufacturing
Basis, is key technology, common technology and the frontier technology of these industries.Coal Gasification Technology both domestic and external is a lot of at present, application
Relatively broad is shell shell Coal Gasification Technology, Siemens's GSP Coal Gasification Technology, GE coal water slurry gasification technology, space flight stove etc.
Technology.
Coal gasification efficiency is higher at high temperature under high pressure, now can be at 1200 DEG C～1600 DEG C more than the reaction temperature in burner hearth
More than, and the lime-ash of coal is all in a liquid state form presence at these elevated temperatures, which is deposited to gasification and long-term operation of heat recovery equipment
In a lot of unfavorable factors.
Shell gasification reclaims sensible heat using convection current pot destroying process, and which first passes through the partial synthesis gas warp after cooling washing
Gasification furnace squeezed into by Quench compressor, 1200～1600 DEG C of high-temperature synthesis gas is cooled fast to less than 900 DEG C, is made in synthesis gas
Lime-ash rapid solidification, subsequently into convection current give up pot reclaim heat, synthesis gas 350 DEG C or so discharge gasification installations, the equipment
Not only chill air compressor consumes energy in a large number, while not making full use of to high-grade heat energy, chill air compressor long period is transported
There is test in row.And GSP, the GE Quench type of furnace, it is downward parallel that the technology such as space flight stove is synthesis gas and lime-ash, after flake hearth-tapping under
Using water Quench, 1200～1600 DEG C of high-temperature synthesis gas are direct cooled to 200 DEG C or so in drop pipe, cause high-grade heat
A large amount of losses of energy, have had a strong impact on the economy of device.
The gasification furnace of GE pot destroying process adopts Double water-cooled wall construction form radiation waste pot, first synthesis gas is cooled to 1000
Below DEG C, then be transported to convection current give up pot carry out heat recovery further.However, by operating experience and the correlation of relevant apparatus
Report shows, Double water-cooled wall construction is more complicated, and operational reliability reduces, the annular space space of Double-layer water cold wall and convection current Fei Guo area
Easily there is dust stratification, blocks up slag and corrosion in domain, has a strong impact on the long-term operation of equipment.
Content of the invention
In view of drawbacks described above of the prior art or deficiency, it is desirable to which after providing a kind of raising carbonaceous material gasification, sensible heat is returned
Receive, and the equipment for gasification with heat reclamation device of anti-blocking slag.
To achieve these goals, the present invention is adopted the technical scheme that：
A kind of can anti-blocking slag the equipment for gasification with heat reclamation device, including housing, in the housing, be sequentially provided with gasification
Reative cell, gas slag diversing flow system, steam generator and purified synthesis gas dust pelletizing system, the bottom of the purified synthesis gas dedusting system
It is connected with the housing, the bottom of the housing is provided with grey slag outlet, and the side of the housing is provided with synthesis gas gas outlet；
The housing of the gasification reactor chamber is provided with the burner for entering gasification reactor chamber for carbonaceous material and gasifying agent.
4～6 burners are uniformly provided with above the sidepiece of the gasification reactor chamber, and the burner is horizontally disposed, the burner
Angle with the case sections centrage is 4 °～6 °；The draw ratio of the gasification reactor chamber is 2～3：1, the burner
The distance at plan range gasification reactor chamber top is the 1/4-1/3 of gasification reactor chamber height.
The gas slag diversing flow system includes the refractory liner that side towards the fire is arranged, and is provided with water-cooling wall, institute in the refractory liner
State gas slag diversing flow system upper end to be connected with the slag outlet of gasification furnace gas, the gasification furnace gas slag is exported with respect to the gasification reactor chamber
For a necking, the bottom of the gas slag diversing flow system arranges anti-lime-ash scattering unit, and the anti-lime-ash scattering unit is band water-cooled
Coil arrangement, outer lining refractory liner, the anti-lime-ash scattering unit along gas flow direction extension after send out positioned at the steam
In raw device.
The steam generator includes drum type brake fin panel casing and screen formula fin water-cooling wall, the drum type brake film-type water-cooling
The inner side of wall is provided with screen formula fin water-cooling wall, if the outside of the drum type brake fin panel casing arranges the opposed pneumatic vibrator of dried layer
Device, also sets up some groups of gases at high pressure soot blowers on the drum type brake fin panel casing, for shielding formula fin water-cooling wall
Carry out purging ash disposal.
The screen formula fin water-cooling wall is radially positioned to one group along the drum type brake fin panel casing for multiple, many
The drum type brake fin panel casing is organized along the form that the circumference of the drum type brake fin panel casing is upper tightly lower sparse.
Outlet soda pop catcher, the drum type brake membrane type water is provided with the outside of the runner on the drum type brake fin panel casing top
Import feedwater distributor is provided with the outside of the runner of cold wall bottom.
Changeover portion, the center of the changeover portion is provided between the steam generator and the purified synthesis gas dust pelletizing system
Line is less than 30 ° with the shell angle of the changeover portion.
The purified synthesis gas dust pelletizing system includes spray water chilling ring and gas distribution channel；Set on the shell of the gas distribution channel
There are several Quench nozzles；Periphery between the changeover portion and the gas distribution channel is provided with sealing plate, described sealing plate one end
Housing is fixedly connected, the sealing plate other end connection water spray chilling ring, the water spray chilling ring is used for spraying in gas distribution channel
Water；Despumation device is provided between the interlayer of the shell of the gas distribution channel and the housing, the Despumation device and the sealing
Housing between plate is provided with the synthesis gas gas outlet.
The Quench nozzle is multigroup, and the Quench nozzle per group is arranged along the even circumferential of the gas distribution channel, multigroup
The Quench nozzle is along the gas transmission direction layered arrangement of the gas distribution channel.
The synthesis gas gas outlet is provided with baffle means.
Compared with prior art, the invention has the beneficial effects as follows：
Equipment for gasification using the present invention, it is possible to increase Exposure degree after carbonaceous material gasification, and anti-blocking slag, by dividing
Level arrangement steam generator, effectively reclaims the sensible heat of synthesis gas after material gasification, accounts for the 8-12% of low heat valve, save
Quench compressor, reduces equipment investment, and is that anti-blocking slag and dust stratification propose technical solution, reduce the event of whole equipment
Barrier point, it is ensured that long-term operation.
Description of the drawings
By reading the detailed description made by non-limiting example made with reference to the following drawings, the application other
Feature, objects and advantages will become more apparent upon：
Fig. 1 be provided in an embodiment of the present invention can anti-blocking slag the equipment for gasification with heat reclamation device structural representation；
Fig. 2 is the structural representation of gasification reactor chamber burner provided in an embodiment of the present invention arrangement；
Fig. 3 is enlarged drawing at the A in Fig. 1；
Fig. 4 is the structural representation of steam generator heat-transfer area provided in an embodiment of the present invention.
Specific embodiment
With reference to the accompanying drawings and examples the application is described in further detail.It is understood that this place is retouched
The specific embodiment that states is used only for explaining related invention, rather than the restriction to the invention.It also should be noted that, in order to
It is easy to description, in accompanying drawing, illustrate only the part related to invention.
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can phases
Mutually combine.Below with reference to the accompanying drawings and in conjunction with the embodiments describing the application in detail.
Referring to Fig. 1, a kind of can anti-blocking slag the equipment for gasification with heat reclamation device, including housing 20, from upper in housing 20
Gasification reactor chamber 1, gas slag diversing flow system 2, steam generator 3 and purified synthesis gas dust pelletizing system 17 are sequentially provided with downwards, synthesis
The bottom of gas purifying and dedusting system 17 is connected with housing 20, and the bottom of housing 20 is provided with grey slag outlet 13, the side of housing 20
It is provided with synthesis gas gas outlet 10；The housing of gasification reactor chamber 1 is provided with and enters gasification reactor chamber 1 for carbonaceous material and gasifying agent
Burner 5.
The gasification reactor chamber of the present invention can adopt fire resisting casting material or water wall structure, and gas slag diversing flow system is placed in gasification furnace
Synthesis gas and lime-ash exit portion are coaxially arranged, can be made up of water pipe membrane wall, and inner surface lays heat-resisting pouring material.Carbonaceous material
(dry pulverized coal or water-coal-slurry) enters gasification reactor chamber by the burner 5 on gasification reactor chamber 1 together with gasifying agent (oxygen, water vapour)
1, vigorous reaction produces the synthesis gas of High Temperature High Pressure, the predominantly gaseous mixture of carbon monoxide and hydrogen, temperature in the gasification reaction room
About 1200-1600 DEG C of degree.The synthesis gas of generation produces eddy flow in gasification reactor chamber 1, can make being full of for reaction interior flame
Degree is preferable, and temperature field is also more uniform.Ash in coal dust is main in hot environment to lean on effect of inertia quilt with the form of liquid slag
Gasification reactor chamber furnace wall catches, then is pooled to the gas slag diversing flow system 2 of burner hearth bottom along the trickling of 1 wall of gasification reactor chamber,
Remaining flying dust is synthesized gas entrainment and also discharges from gas slag diversing flow system 2.
Referring to Fig. 1 and Fig. 2, the present embodiment is uniformly set above the sidepiece of gasification reactor chamber 1 on the basis of above-described embodiment
There are 4～6 burners 5, burner 5 is horizontally disposed, burner 5 is 4 °～6 ° with the angle a of 1 section centrage of housing；Gasification reactor chamber 1
Draw ratio be 2～3：1, the distance at the plan range gasification reactor chamber top of burner 5 is the 1/4-1/ of gasification reactor chamber height
3.Most ash in raw material can be caught in the form of liquid slag by the reasonable setting of the present embodiment burner and arrangement,
Improve retention efficiency, it is ensured that follow-up equipment normally runs.Certainly the present invention can also adopt overhead burner, by improving the knot of burner
Structure realizes above-mentioned functions.
The plane of burner of the present invention is perpendicular to the centrage of housing, the distance at the plan range gasification reactor chamber top of burner
For the 1/4-1/3 of gasification reactor chamber height, burner is arranged so as to, mainly for the retention efficiency of burner hearth is improved, leans on very much gasification reaction
Gasification reactor chamber top is easily burnt out by ceiling portion, can effectively improve turbulent journey of the synthesis gas in gasification reactor chamber in this position
Degree, is conducive to improving the gasification efficiency of material, and lime-ash is got rid of to wall, and the lime-ash of liquid is assembled when the outlet of gas slag is flowed to
Agglomerating, be conducive to which to move along the centerline direction of steam generator, it is not easy to be bonded to heating surface surface, so as to reduce stifled slag
Risk.
Referring to Fig. 1 and Fig. 3, the present embodiment is on the basis of above-described embodiment, and gas slag diversing flow system 2 includes that side towards the fire is arranged
Refractory liner, be provided with water-cooling wall in the refractory liner, 2 upper end of gas slag diversing flow system is connected with gasification furnace gas slag outlet 14,
It is single that gasification furnace gas slag outlet 14 arranges anti-lime-ash scattering with respect to the bottom that gasification reactor chamber 1 is a necking, gas slag diversing flow system 2
Unit 21, anti-lime-ash scattering unit 21 is the coil pipe with water-cooled, outer lining refractory liner, and anti-lime-ash scattering unit 21 is along gas flow side
It is located in steam generator 3 to after extension.
Synthesis gas gas slag diversing flow system of the present invention is located at gasification reactor chamber outlet at bottom, and its Main Function is that reaction is indoor
The high-temperature synthesis gas of generation and slag accelerate to import the steam of the synthesis gas sensible heat high-grade energy regenerating for being transported to its underpart
In generator.The effect of the anti-lime-ash scattering unit of the present invention be anti-liquid slag give vent to anger slag diversing flow system when, due to flow area
The splashing that sudden expansion causes, on the heating surface of the steam generator for causing liquid lime-ash to splash and being deposited near exit.Synthesis gas
Acted on by " rectification " of gas slag diversing flow system, the synthesis gas after the anti-lime-ash scattering unit can assume the jet of certain angle
Form enters steam generator downstream, due to the effect of inertia, liquid lime-ash can be made to be " entrapped " in certain jet angle
In the range of, be conducive to mitigating its stifled slag fouling phenomenon to steam generator heating surface.
Referring to Fig. 1 and Fig. 4, the present embodiment is on the basis of above-described embodiment, and steam generator 3 includes drum type brake membrane type water
Cold wall 30 and screen formula fin water-cooling wall 31, the inner side of drum type brake fin panel casing 30 is provided with screen formula fin water-cooling wall 31, drum type brake
If the outside of fin panel casing 30 arranges the opposed pneumatic vibrator device 15 of dried layer, if also setting up on drum type brake fin panel casing 30
Dry group gases at high pressure soot blower 16, for carrying out purging ash disposal to shielding formula fin water-cooling wall 31.
Preferably, screen formula fin water-cooling wall 31 is multiple, is radially positioned to one group along drum type brake fin panel casing 30,
Many group screens formula fin water-cooling wall 31 is arranged as along circumference many group screens formula fin water-cooling wall of drum type brake fin panel casing 30
The form of upper tightly lower sparse.
Steam generator of the present invention is to rely on the heat radiation of high-temperature synthesis gas and the heat transmission equipment of convection heat transfer' heat-transfer by convection, shields formula fin
Water-cooling wall is arranged near cylindrical shape membrane wall, it is ensured that drum type brake fin panel casing axially has sufficiently large net inflow space, so
Heating surface layout pattern and space can mitigate the slagging scorification of steam generator, the problem of effectively solving synthesis gas lime-ash bonding.
The present invention is using the steam generator 3 of hierarchical arrangement, and due to having just enter into steam generator 3, lime-ash is " entrapped "
In the range of certain jet angle, and the synthesis gas temperature height containing lime-ash, radianting capacity are strong, are therefore stretched using more intensive and interior
The long screen formula fin water-cooling wall 31 of length, shields the distance that stretches in formula fin water-cooling wall not little to stretch edge minimum distance in which
It is advisable in 300-500mm so that form the arrangement of upper tightly lower sparse in the direction heating surface of circulation road, high-temperature synthesis gas are existed
Less than 900 DEG C are cooled to from more than 1400 DEG C in relatively short distance, the mainly effect of heating surface 32.
Synthesis gas jet-stream wind of the present invention is after a segment distance, and injection kinetic energy weakens, and " constraint " effect to lime-ash subtracts
Weak, lime-ash will certainly now be arranged the shorter screen formula fin water-cooling wall 31 of more sparse and inside protrudent length, have to around scattering
Beneficial to the smooth flow of synthesis gas, synthesis gas is cooled to 550-750 DEG C from 900 DEG C, is the effect of heat-transfer surface 33.Now synthesize
The substantially solid shape of useless pot in gas, may be attached to 33 on heat-transfer surface, therefore for preventing in downstream cooler water screen tube
Bundle region dust stratification, if the opposed pneumatic vibrator device 15 of arrangement dried layer on circumferential water-cooling wall, while arrange some groups high
16 pairs of screen formula fin water-cooling walls 31 of body soot blower of calming the anger carry out purging ash disposal.The rapping-off-ash of interval and high pressure soot blowing are effective
The Effec-tive Function of steam generator is ensure that, prevents fouling of heating surface slagging scorification, it is ensured that the long-term operation of equipment.
Referring to Fig. 1, the present embodiment on the basis of above-described embodiment, on the outside of the runner on 20 top of drum type brake fin panel casing
Outlet soda pop catcher 18 is provided with, on the outside of the runner of 20 bottom of drum type brake fin panel casing, is provided with import feedwater distributor
22.
In order to prevent synthesizing dust stratification and the stifled slag that flow channel mutation causes, by the import and export soda pop distributor of all heating surfaces
It is arranged on the outside of runner, so not only improving prevents runner dust stratification, soda pop distributor can be avoided again not by the straight of high temperature gas flow
Connect and wash away, prevent the overtemperature of equipment from damaging.
The present embodiment is set between steam generator 3 and purified synthesis gas dust pelletizing system 17 on the basis of above-described embodiment
There is changeover portion 4, the centrage of changeover portion 4 is less than 30 ° with the shell angle of changeover portion 4.
Synthesis gas is cooled to 550～750 DEG C from 1200～1600 DEG C by the steam generator 3 of hierarchical arrangement of the present invention, it
Purified synthesis gas dust pelletizing system is entered afterwards.Transition angle of the changeover portion 4 of the two using full-shape less than 30 ° carries out transition, to avoid
Dust stratification.
The present embodiment is on the basis of above-described embodiment, and purified synthesis gas dust pelletizing system 17 includes the chilling ring 6 and defeated of spraying water
Gas passage 7；The shell of gas distribution channel 7 is provided with several Quench nozzles 8；Periphery between changeover portion 4 and gas distribution channel 7 is provided with
Sealing plate 12,12 one end of sealing plate is fixedly connected housing 20,12 other end of sealing plate connection water spray chilling ring 6, chilling ring 6 of spraying water
For to water spray in gas distribution channel 7；Despumation device 9, Despumation device are provided between the shell of gas distribution channel 7 and the interlayer of housing 20
Housing between 9 and sealing plate 12 is provided with synthesis gas gas outlet 10.Sealing plate 12 is arranged between the cavity of housing, prevents air-flow
Gang up.
Preferably, Quench nozzle 8 is multigroup, and the Quench nozzle 8 per group is arranged along the even circumferential of gas distribution channel 7, many
Group Quench nozzle 8 is along the gas transmission direction layered arrangement of gas distribution channel 7.
Purified synthesis gas dust pelletizing system of the present invention adopts major diameter gas distribution channel, and if being provided with chilling ring lower area
Dry group Quench nozzle, so as to reach fast dust-removing and the cooling effect of the synthesis gas in the confined space.Synthesis gas is removed through water-bath
After dirt cooling, the housing of gasification installation is discharged by synthesis gas gas outlet through Despumation device.
Using spray dust removing and water bath dust-removing chiller, the dust-carrying capacity of synthesis gas when gasification furnace can be greatly reduced, with
When can effective control synthesis gas carry grey solid impurity particle particle diameter.Desirably prevent follow-up equipment lime-ash blocking and abrasion go out
Existing.After water-bath, synthesis gas passes through defoaming device to abolish drop and the bubble of synthesis gas carrying.This design of the present invention is not
Only greatly chill effect is enhanced, also reduce shock chamber's height.
The present embodiment is on the basis of above-described embodiment, and synthesis gas gas outlet 10 is provided with baffle means 11.
Baffle means being provided with beside synthesis gas gas outlet, baffle means can be a deflection plate, synthesizes in order to separate
Bulky grain water droplet in gas, finally the synthesis gas after cooled dedusting give vent to anger from the bottom synthesis gas on the upper side for being located at pressure housing
Mouth discharges equipment for gasification.Buck discharges equipment for gasification through grey slag outlet.
The housing of the present invention can be made up of the different body of one or more diameters, between housing and synthesis gas passage can be
Fire resisting casting material or water wall structure.
The present invention in order to overcome the easy dust stratification of equipment for reclaiming sensible heat in existing gasification technology to block up slag, by rational flow process
Arrange with structure, and the high retention efficiency of burner hearth is adopted, the gas slag diversing flow system trapping constraint splash slag containing anti-lime-ash scattering unit,
Upper tightly lower sparse hierarchical arrangement steam generator and mechanical vibrator and the high pressure soot blower of dust stratification is prevented, while removing using injection
Dirt and water bath dust-removing chiller, can greatly reduce the dust-carrying capacity of synthesis gas when gasification furnace, while can effective control synthesis gas
The particle diameter of the grey solid impurity particle of carrying, effectively prevents the liquid slag for carrying in synthesis gas to be bonded on steam generator heating surface.
Above description is only the preferred embodiment of the application and the explanation to institute's application technology principle.People in the art
Member should be appreciated that involved invention scope in the application, however it is not limited to the technology of the particular combination of above-mentioned technical characteristic
Scheme, while should also cover in the case of without departing from the inventive concept, is carried out by above-mentioned technical characteristic or its equivalent feature
Combination in any and other technical schemes for being formed.Such as features described above has similar work(with (but not limited to) disclosed herein
The technical scheme that the technical characteristic of energy is replaced mutually and formed.
Claims (10)
1. a kind of can anti-blocking slag the equipment for gasification with heat reclamation device, including housing, it is characterised in that in the housing successively
It is provided with gasification reactor chamber, gas slag diversing flow system, steam generator and purified synthesis gas dust pelletizing system, the purified synthesis gas dedusting
The bottom of system is connected with the housing, and the bottom of the housing is provided with grey slag outlet, and the side of the housing is provided with conjunction
Become gas gas outlet；The housing of the gasification reactor chamber is provided with the burner for entering gasification reactor chamber for carbonaceous material and gasifying agent.
2. according to claim 1 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the gasification
4～6 burners are uniformly provided with above the sidepiece of reative cell, the burner is horizontally disposed, in the burner and the case sections
The angle of heart line is 4 °～6 °；The draw ratio of the gasification reactor chamber is 2～3：1；The plan range gasification reaction of the burner
The distance in ceiling portion is the 1/4-1/3 of gasification reactor chamber height.
3. according to claim 1 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the gas slag
Diversing flow system includes the refractory liner that side towards the fire is arranged, and is provided with water-cooling wall, on the gas slag diversing flow system in the refractory liner
End is connected with the slag outlet of gasification furnace gas, and gasification furnace gas slag outlet is a necking, the gas with respect to the gasification reactor chamber
The bottom of slag diversing flow system arranges anti-lime-ash scattering unit, and the anti-lime-ash scattering unit is the coil arrangement with water-cooled, outer lining
Refractory liner, the anti-lime-ash scattering unit is located in the steam generator after the extension of gas flow direction.
4. according to any one of claim 1-3 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that
The steam generator includes drum type brake fin panel casing and screen formula fin water-cooling wall, the inner side of the drum type brake fin panel casing
Screen formula fin water-cooling wall is provided with, if the outside of the drum type brake fin panel casing arranges the opposed pneumatic vibrator ash disposal dress of dried layer
Put, some groups of gases at high pressure soot blowers on the drum type brake fin panel casing, are also set up, for entering to shielding formula fin water-cooling wall
Row purging ash disposal.
5. according to claim 4 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the screen formula
Fin water-cooling wall is radially positioned to one group along the drum type brake fin panel casing for multiple, multigroup drum type brake membrane type
Water-cooling wall is along the form that the circumference of the drum type brake fin panel casing is upper tightly lower sparse.
6. according to claim 5 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the cylinder
Outlet soda pop catcher is provided with the outside of the runner on formula fin panel casing top, outside the runner of the drum type brake fin panel casing bottom
Side is provided with import feedwater distributor.
7. according to claim 6 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the steam
Changeover portion, the centrage of the changeover portion and the changeover portion is provided between generator and the purified synthesis gas dust pelletizing system
Shell angle is less than 30 °.
8. according to claim 7 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the synthesis
Gas purification dust removal system includes spray water chilling ring and gas distribution channel；The shell of the gas distribution channel is provided with several Quench sprays
Mouth；Periphery between the changeover portion and the gas distribution channel is provided with sealing plate, and described sealing plate one end is fixedly connected housing, institute
Sealing plate other end connection water spray chilling ring is stated, the water spray chilling ring is used for spraying water in gas distribution channel；The gas distribution channel
Shell and the interlayer of the housing between be provided with Despumation device, set on the housing between the Despumation device and the sealing plate
There is the synthesis gas gas outlet.
9. according to claim 8 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the Quench
Nozzle is for multigroup, and the Quench nozzle per group is arranged along the even circumferential of the gas distribution channel, multigroup Quench nozzle along
The gas transmission direction layered arrangement of the gas distribution channel.
10. according to claim 8 can anti-blocking slag the equipment for gasification with heat reclamation device, it is characterised in that the conjunction
Gas gas outlet is become to be provided with baffle means.
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| CN201610962233.9A CN106433790B (en) | 2016-11-04 | 2016-11-04 | Gasification equipment with heat recovery device and capable of preventing slag blockage |
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| CN201610962233.9A CN106433790B (en) | 2016-11-04 | 2016-11-04 | Gasification equipment with heat recovery device and capable of preventing slag blockage |
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| CN107090311A (en) * | 2017-06-07 | 2017-08-25 | 神华集团有限责任公司 | High efficient heat recovery carries flow gasification stove |
| CN107418633A (en) * | 2017-07-19 | 2017-12-01 | 新奥科技发展有限公司 | A kind of nozzle, gasification furnace and catalysis gasification method |
| CN107586569A (en) * | 2017-10-26 | 2018-01-16 | 航天长征化学工程股份有限公司 | High-temperature crude synthesis gas cooling and purifying device |
| CN108410510A (en) * | 2018-06-11 | 2018-08-17 | 宁夏神耀科技有限责任公司 | A kind of useless pot ash disposal Unitary coal gasification furnace |
| CN108707479A (en) * | 2018-07-26 | 2018-10-26 | 华东理工大学 | A kind of radiation waste pot system and its working method |
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| WO2019196497A1 (en) * | 2018-04-09 | 2019-10-17 | 北京迈未科技有限公司 | Synthesis-gas sensible heat recovery apparatus and recovery method, and gasifier |
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| CN107090311A (en) * | 2017-06-07 | 2017-08-25 | 神华集团有限责任公司 | High efficient heat recovery carries flow gasification stove |
| CN107418633A (en) * | 2017-07-19 | 2017-12-01 | 新奥科技发展有限公司 | A kind of nozzle, gasification furnace and catalysis gasification method |
| CN107418633B (en) * | 2017-07-19 | 2020-10-27 | 新奥科技发展有限公司 | Nozzle, gasification furnace and catalytic gasification method |
| CN107586569A (en) * | 2017-10-26 | 2018-01-16 | 航天长征化学工程股份有限公司 | High-temperature crude synthesis gas cooling and purifying device |
| WO2019196497A1 (en) * | 2018-04-09 | 2019-10-17 | 北京迈未科技有限公司 | Synthesis-gas sensible heat recovery apparatus and recovery method, and gasifier |
| CN108410510B (en) * | 2018-06-11 | 2023-11-14 | 宁夏神耀科技有限责任公司 | Integrated coal gasifier for ash removal of waste boiler |
| CN108410510A (en) * | 2018-06-11 | 2018-08-17 | 宁夏神耀科技有限责任公司 | A kind of useless pot ash disposal Unitary coal gasification furnace |
| CN108707479A (en) * | 2018-07-26 | 2018-10-26 | 华东理工大学 | A kind of radiation waste pot system and its working method |
| CN108707479B (en) * | 2018-07-26 | 2024-07-23 | 华东理工大学 | Radiation waste pot system and working method thereof |
| CN110194971A (en) * | 2019-07-12 | 2019-09-03 | 陕西德信祥能源科技有限公司 | A kind of coal gasification couples the gasification furnace and gasification process of two-tube screen radiation waste pot |
| CN110229699A (en) * | 2019-07-18 | 2019-09-13 | 陕西德信祥能源科技有限公司 | Powder coal gasification furnace and gasification process with deflector type bilateral tube panel radiation waste pot |
| CN113465435A (en) * | 2021-07-12 | 2021-10-01 | 哈尔滨锅炉厂有限责任公司 | Prevent stifled sediment multilayer water-cooling wall heat reclamation device |
| CN114525154A (en) * | 2022-02-11 | 2022-05-24 | 安徽科达洁能股份有限公司 | Glass body melting gasification furnace, gasification system and gasification method |
| CN114525154B (en) * | 2022-02-11 | 2024-03-29 | 安徽科达洁能股份有限公司 | Glass body melting gasification furnace, gasification system and gasification method |
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Effective date of registration: 20190307 Address after: 201108 3111 Huaning Road, Minhang District, Shanghai Applicant after: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) Applicant after: Shanghai Hua Yi derived energy chemical Co., Ltd Applicant after: SHANGHAI HUAYI ENGINEERING CO., LTD. Address before: 201108 3111 Huaning Road, Minhang District, Shanghai Applicant before: The 711th Research Institute of China Shipbuilding Industrial Corporation(CSIC) Applicant before: SHANGHAI QIYAO THERMAL ENGINEERING CO., LTD. |
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