CN104479744B - A kind of slack coal slag gasifier with nozzle - Google Patents
A kind of slack coal slag gasifier with nozzle Download PDFInfo
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- CN104479744B CN104479744B CN201410763397.XA CN201410763397A CN104479744B CN 104479744 B CN104479744 B CN 104479744B CN 201410763397 A CN201410763397 A CN 201410763397A CN 104479744 B CN104479744 B CN 104479744B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/74—Construction of shells or jackets
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
- C10J3/82—Gas withdrawal means
-
- 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
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- Chemical & Material Sciences (AREA)
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- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
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Abstract
A kind of slack coal slag gasifier with nozzle it include connecting double coal lock feed arrangement (1) and body of heater, it is characterized in that on body of heater, have connection double coal lock feed arrangement (1), upper of furnace body has coal gas extraction channel device (2), have in the middle part of body of heater in the middle part of vaporizer and draw raw gas device (3), lower portion of furnace body is the slag area (4) with nozzle, has lime-ash floss hole (5) at bottom of furnace body.The present invention is novel has the advantage that coal dust drag-out is few, the air water amount containing pitch coal is few.
Description
Technical field
The invention belongs to a kind of slack coal slag gasifier with nozzle.
Background technology
Crushed coal pressurized-gasification furnace is a kind of fixed bed coal gasifier, and owing to requiring low to feed coal, i.e. in addition to strong cohesive property coal, remaining coal can gasify, particularly low-order coal and the colm of high ash melting point.This gasification furnace is widely applied to coal synthesis ammonia, methanol, dimethyl ether, artificial oil and coal gas natural gas field.Along with current Coal Gasification Technology is towards major diameter, the direction of high pressure is developed, in unit interval, the treating capacity of coal is stepped up, coal lock is as the coal filling hole of crushed coal pressure gasifying, need ceaselessly to carry out punching press pressure release, the growth requirement of extensive coal gasification can not be met, the coal gasification ability that additionally high pressure makes improves, produce coal gas amount to increase, add the poor heat stability etc. of low-order coal, single gas exit necessarily takes substantial amounts of coal dust out of, follow-up gas washing is caused to cool down, the problem that the workshop sections such as Waste Heat Recovery result in blockage or separate difficulty, in washing process, use excessive water washing simultaneously, gas liquor generation amount is caused to increase, high-grade heat drop is low.
China Patent No. be 200580041975.8 patent disclose employing single coal lock, static distribution device has the fixed bed coal gasifier that Single gas exports, this gasification furnace is the crushed coal pressurized-gasification furnace commonly used at present, outstanding problem is that rough coal band of gas dirt problem is serious, the problems such as by-product low-pressure steam is many, and dust-laden air water content Han pitch coal is low.
Chinese patent: it is single coal lock that the patent of 201320037548.4 discloses employing, does not has static distribution device, Single gas passage, equally exists the problems referred to above.
Chinese patent: the patent of 201220582157.6 discloses a kind of two passage cloth device for coal for coal gasifier, by compositions such as coal entrance, gas exit, inner core, raw gas passage compositions.The purpose of this patent is to reduce coal gas enrichment area, reduces gas speed, reduces coal dust drag-out, have certain effect, but action effect is limited.
Summary of the invention
In order to overcome deficiency of the prior art, it is an object of the invention to provide the crushed coal pressurized-gasification furnace with nozzle that a kind of coal dust drag-out is few, the air water amount containing pitch coal is few.
A kind of slack coal slag gasifier with nozzle of the present invention, it includes connecting double coal lock feed arrangement and body of heater, it is characterized in that on body of heater, have connection double coal lock feed arrangement, upper of furnace body has the coal gas extraction channel device with gas exit, extraction raw gas device in the middle part of vaporizer is had in the middle part of body of heater, lower portion of furnace body is the slag area with nozzle, has lime-ash floss hole at bottom of furnace body.
One, described connection double coal lock feed arrangement, it includes that coal lock, coal lock valve, the lower valve of coal lock, coal feed point, transitional storehouse and coal outlet, coal lock has 2, each coal lock top is coal feed point, is that coal locks valve below coal feed point, and coal lock bottom communicates with connecting tube top, valve under connecting tube top is locked equipped with coal, being connected with transitional storehouse bottom connecting tube, the bottom of transitional storehouse is coal outlet, is connected by least 1 coal lock gas passage between 2 coal locks.
Described coal lock gas passage is made up of two ends coal lock gas passage expanding reach and middle coal lock gas passage straight section, at coal lock gas passage straight section built with connecting coal lock access valve, being positioned at coal lock gas passage expanding reach and lock the baffle plate being provided with aperture on wall connector with coal, coal lock gas passage expanding reach wall is 30-60 degree with the angle α of coal lock wall.
Described baffle plate percent opening is between 45-65%, and the aperture of aperture is 0.2-1.0 millimeter.
Described coal lock gas passage position between 0.45-0.55 times of whole coal lock height.
Connection double coal lock feed arrangement as above so that coal lock gas recycles, and recycling rate reaches more than 60%.
Two, it includes gasification furnace outer wall to draw raw gas device in the middle part of described vaporizer, gasification stove internal wall, gasification furnace refractory liner, gasification furnace refractory brick and gas passage, it it is gasification furnace refractory liner between gasification stove internal wall and gasification furnace refractory brick, gasification furnace outer wall and gasification stove internal wall have the gas passage of at least 2, gas passage is uniformly distributed in gasification furnace outer wall same level, the opening upwards of gas passage, gas passage is made up of gas passage outer wall and gas passage inwall, gas passage outer wall is connected with gasification furnace outer wall, and become the angle β of 30-45 degree, gas passage inwall is connected with gasification stove internal wall, the baffle plate of aperture it is provided with in the junction, upper middle part of gas passage inwall Yu gasification stove internal wall, baffle plate is parallel with gasification stove internal wall.
Described gas passage is metering from bottom vaporizer in the position of gasification stove internal wall, is 0.41-0.62 times of vaporizer height.
The percent opening of described baffle plate is between 30-40%, and small aperture is 4-8 millimeter.
Described baffle plate is 1/10-1/3 circle.
Described gas passage has 2-6.
The gas temperature that the gas passage in the middle part of vaporizer that middle part as above is symmetrical is extracted out is high, and by-product middle pressure steam promotes steam quality.
Three, the described slag area with nozzle, it includes gasification furnace outer wall, gasification stove internal wall, gasification furnace refractory liner, gasification furnace refractory brick and gasifier nozzle, it it is gasification furnace refractory liner between gasification stove internal wall and gasification furnace refractory brick, burner at least contains 2, it is uniformly distributed in same level, it is 70-90 degree that nozzle centerline and gasification furnace centrage form angle γ, and jet expansion is downward.
Burner as above is 2-6.
Beneficial effects of the present invention:
1) draw gasification layer gasification in the middle part of vaporizer and generate the coal gas without tar, it is mainly composed of methane, hydrogen, carbon monoxide and carbon dioxide, reducing the flow velocity of top gas exit simultaneously, moreover it is possible to utilize the coal gas of high temperature of 550-750 degree to produce the middle pressure steam of higher quality in waste heat boiler.
2) double coal lock connects, coal lock gas recycling, and minimizing coal is locked punching press and used fresh coal gas amount, also possible for promoting vaporization ability offer one.
3) enforcement of the present invention can substantially reduce top of gasification furnace dust-laden and pitch coal tolerance, reduces dust-laden and the treating capacity of pitch coal air water.
4) adding nozzle makes gasification furnace can solve the partial gasification of fine coal.
Accompanying drawing explanation
Fig. 1 gasification furnace structure of the present invention front view；
Fig. 2 is that the present invention connects double coal lock feed arrangement 1 front view.
Fig. 3 is that the connection double coal lock device 1 of Fig. 2 faces operation figure.
Fig. 4 is that the A of Fig. 2 coal lock gas passway baffle plate is to figure.
Fig. 5 is extraction raw gas device 3 front view in the middle part of vaporizer.
Fig. 6 is that the A of Fig. 5 gas passage mouth baffle plate is to structural representation.
Fig. 7 is slag area 4 structural representation with nozzle.
As it can be seen, 1-connects double coal lock feed arrangement, 2-vaporizer top coal gas extraction channel, drawing raw gas device in the middle part of 3-vaporizer, 4-is with the slag area of nozzle, 5-ash discharging hole, 6-gas exit.
null101-double coal lock，Coal lock in left side in 101a-double coal lock，Coal lock in right side in 101b-double coal lock，102-coal locks valve，In 102a-double coal lock, left side coal locks valve，In 102b-double coal lock, right side coal locks valve，The lower valve of 103-coal lock，The lower valve of left side coal lock in 103a-double coal lock，The lower valve of right side coal lock in 103b-double coal lock，104-transitional storehouse，105-coal lock gas passage，106-connects coal lock access valve，107-connects pipeline section，Pipeline section is connected on the left of 107a-，Pipeline section is connected on the right side of 107b-，108-coal stopper plate，109-coal stopper plate aperture，110-coal lock gas passage expanding reach，111-coal lock gas passage straight section，112-coal lock gas passage expanding reach and coal lock the angle α of outer wall，113-coal outlet，114-coal feed point
Symmetrical gas passage in the middle part of 301-vaporizer, 302-baffle plate, 303-aperture, the open section of 304-baffle plate bottom, 305-gasification furnace outer wall, 306-gasification stove internal wall, the angle β that the gas passage in the middle part of 307-vaporizer is formed with gasification furnace outer wall, gas passage inwall in the middle part of vaporizer in the middle part of 308-vaporizer, the gas passage outer wall in the middle part of 309-vaporizer.310-gasification furnace refractory liner, 311-gasification furnace refractory brick.
401-burner, 402-gasification furnace outer wall, 403-gasification stove internal wall, 404-gasification furnace refractory liner, 405-gasification furnace refractory brick, 406-nozzle centerline, 407-gasification furnace centrage.
Detailed description of the invention
Further illustrate the present invention below by specific embodiment it should be understood that, these embodiments are only used in more detail, specifically describe and be used, and are not to be construed as limiting in any form the present invention.
This part to used in the present invention to material and test method carry out general description.Although being to it is known in the art that still the present invention still describes in detail as far as possible at this for realizing many materials used in the present invention and operational approach.It will be apparent to those skilled in the art that within a context, if not specified, material therefor of the present invention and operational approach are well known in the art.
Below in conjunction with accompanying drawing, the detailed description of the invention of the present invention is done more detailed description.
Embodiment 1
The low-order coal using aqueous 35% gasifies, and vapor pressure is 4.0MPa, gasification temperature 1050oC, and it is 5-50mm coal sample that coal sample obtains particle diameter after crushing, sieving, and loading coal bunker is that raw material is got in gasification ready, is then gasified by following steps:
A kind of slack coal slag gasifier with nozzle of the present invention, it includes connecting double coal lock feed arrangement 1 and body of heater, it is characterized in that on body of heater, have connection double coal lock feed arrangement 1, upper of furnace body has the coal gas extraction channel device 2 with gas exit 6, extraction raw gas device 3 in the middle part of vaporizer is had in the middle part of body of heater, lower portion of furnace body is the slag area 4 with nozzle, has lime-ash floss hole 5 at bottom of furnace body.
1) connection double coal lock feed arrangement 1 includes that coal lock 101, coal lock valve 102, the lower valve 103 of coal lock, coal feed point 114 and coal outlet 113, it is characterized in that coal lock 101 has 2, it is coal feed point 114 that each coal locks 101 tops, below coal feed point 114 be coal lock bottom valve 102, coal lock 101 be connected pipeline section 107 top and communicate, connecting valve 103 under pipeline section 107 top is locked equipped with coal, connect and be connected with transitional storehouse 104 bottom pipeline section 107, the bottom of transitional storehouse 104 is coal outlet 113, is connected by 1 coal lock gas passage 105 between 2 coal locks 101.Coal lock gas passage 105 is made up of two ends coal lock gas passage expanding reach 110 and middle coal lock gas passage straight section 111, at coal lock gas passage straight section 111 built with connecting coal lock access valve 106, the coal being positioned at coal lock gas passage expanding reach locks the coal stopper plate 108 being provided with coal stopper plate aperture 109 on 101 walls, and the wall of coal lock gas passage expanding reach 110 locks 101 walls with coal becomes 48 o angle α 112.Coal stopper plate 108 percent opening is between 49%, and the aperture of coal stopper plate aperture 109 is 0.2 millimeter.Coal lock gas passage 105 is positioned at the position of 0.48 times of coal lock height.
nullDouble coal lock feed arrangement 1 described above realizes alternation by following steps: the lower valve 103a of the coal lock corresponding when coal lock 101a is in atmospheric pressure state is closed，After coal in coal bunker is added normal pressure coal lock 101a，Close corresponding coal and lock valve 102a，Another coal lock 101b sends into vaporizer through 104 coals of transitional storehouse under gravity simultaneously、After coal sample all sends into vaporizer，This coal lock 101b is filled with high pressure gas，Now close the lower valve 103b of coal lock of this coal lock，Coal lock access valve 106 is connected between the high pressure coal lock 101b and the normal pressure coal lock 101a having loaded coal sample that open full coal gas，Treat that two coal lock 101a and 101b pressure are equal，Close and connect two coal lock 101a and 101b connection coal lock access valves 106，Then pull out the coal gas in the coal lock 101b the most not coaling，Coal lock 101b is made to coaling after normal pressure，Two coal lock 101a and 101b alternations，Carry out the filling of coal sample，Coal lock gas more than 60% recycles.
null2) draw in the middle part of the vaporizer described in raw gas device 3 it include gasification furnace outer wall 305、Gasification stove internal wall 306，Gasification furnace refractory liner 310，Gasification furnace refractory brick 311 and gas passage 301，It it is gasification furnace refractory liner 310 between gasification stove internal wall 306 and gasification furnace refractory brick 311，1 is had to the gas passage 301 in the middle part of symmetrical vaporizer on gasification furnace outer wall 305 and gasification stove internal wall 306，Gas passage 301 in the middle part of vaporizer is made up of the gas passage outer wall 309 in the middle part of vaporizer and gas passage inwall 308，Gas passage outer wall 309 in the middle part of vaporizer is connected with gasification furnace outer wall 305 in the middle part of vaporizer，And become the angle β of 42 degree，Gas passage inwall 308 in the middle part of vaporizer is connected with the gasification stove internal wall 306 in the middle part of vaporizer，Gas passage inwall 308 in the middle part of vaporizer sets, with the junction, upper middle part of gasification stove internal wall 306, the baffle plate 302 having aperture 303，Aperture 303 percent opening is 30%，Aperture 303 aperture is 8 millimeters.Baffle plate 302 is 1/3 circle.Baffle plate 302 is parallel with the gasification stove internal wall 306 in the middle part of vaporizer.The position of the gasification stove internal wall 306 in the middle part of vaporizer of the gas passage 301 in the middle part of vaporizer is metering from bottom vaporizer, 0.41 times of vaporizer height.
3) slag area 4 with nozzle described in, it includes gasification furnace outer wall 402, gasification stove internal wall 403, gasification furnace refractory liner 404, gasification furnace refractory brick 405 and gasifier nozzle 401, it it is gasification furnace refractory liner 404 between gasification stove internal wall 403 and gasification furnace refractory brick 405, burner 401 has 2, it is uniformly distributed in same level, it is 73 degree that nozzle centerline 406 and gasification furnace centrage 407 form angle γ, and nozzle (401) outlet is downwards.
Coal sample is locked through coal, enter vaporizer experience the most successively be dried, dry distilling, methanation, gasification and carbon residue remaining after combustion slag by vaporizer bottom ash lock intermittent eliminating gasification furnace, the coal gas that gasification different phase produces and coal sample counter-current operation, the raw gas of 58% is extracted out when by being provided with symmetrical gas passage 301 in the middle part of gasification furnace, the gas temperature extracted out is higher, and reclaiming this partial heat by waste heat boiler can be with by-product middle pressure steam.Baffle plate 302 the latter half is open section 304, is conducive to entering gas passage 301 in the middle part of the coal tar grain discharge vaporizer of gas passage 301 in the middle part of vaporizer and enters in gasification furnace；Remaining 42% raw gas is drawn by the gas port 6 on coal gas extraction channel 2 after dry distilling and drying layer, reduces and draws dust-laden, pitch coal tolerance from gasification furnace top, significantly reduces washing coal gas and uses water.
Embodiment 2
Using the smokeless coal gasification of aqueous 6%, vapor pressure is 5.0MPa, gasification temperature 1250oC, and it is 5-50mm coal sample that coal sample obtains particle diameter after crushing, sieving, and loading coal bunker is that raw material is got in gasification ready, is then gasified by following steps:
The double coal lock device of connection at least contains 1 to symmetrical coal lock gas passage 105, the position between the 0.52 of vaporizer height it is metered into from coal valve 103 under locking, coal lock gas passage is by the coal stopper plate 108 arranged on coal lock gas passway, the coal stopper plate aperture 109 opened on baffle plate, expanding reach 110, straight section 111 and valve 106 form, the angle α 112 that expanding reach 110 becomes with coal lock outer wall is 45o, the percent opening of baffle plate is between 52%, and the aperture of the coal stopper plate aperture 109 on coal stopper plate is 0.5 millimeter.
By being provided with 3 gas passages 301 in the middle part of gasification furnace, extracting the raw gas of 36% out, gas passage 301 is metering from bottom vaporizer in the position of gasification stove internal wall 306, is 0.41 times of vaporizer height.Angle β 307 is 35 degree, and the percent opening of baffle plate is 6.4 millimeters in 34% aperture 303 aperture, and baffle plate 302 is 1/6 circle, and remaining 64% raw gas is drawn by raw gas passage III through vaporizer top after dry distilling and drying layer.
Burner 401 has 4, and it is 79 degree that nozzle centerline 406 and gasification furnace centrage 407 form angle γ.Remaining is with embodiment 1.
Embodiment 3
The para bituminous coal using aqueous 20% gasifies, and vapor pressure is 5.4MPa, gasification temperature 1150oC, and it is 5-50mm coal sample that coal sample obtains particle diameter after crushing, sieving, and loading coal bunker is that raw material is got in gasification ready, is then gasified by following steps:
The double coal lock device of connection at least contains 1 coal lock gas passage 105, the position between the 0.46 of vaporizer height it is metered into from coal valve 103 under locking, coal lock gas passage is by the coal stopper plate 108 arranged on coal lock gas passway, the coal stopper plate aperture 109 opened on coal stopper plate, expanding reach 110, straight section 111 and valve 106 form, and the angle α 112 that expanding reach 110 becomes with coal lock outer wall is 33o, the percent opening of coal stopper plate is between 63%, and the aperture of coal stopper plate aperture 109 is 0.8 millimeter.
By being provided with 4 gas passages 301 in the middle part of vaporizer, extracting the raw gas of 5% out, in the middle part of vaporizer, gas passage 301 is metering from bottom vaporizer in the position of gasification stove internal wall 306,0.45 times of vaporizer height.Angle β 307 is 32 degree, and the percent opening of baffle plate is 32%, and aperture 303 aperture is 4.4 millimeters, and baffle plate 302 is 1/9 circle, and remaining 95% raw gas is drawn by raw gas passage III through vaporizer top after dry distilling and drying layer.
Burner 401 has 6, and nozzle centerline 406 and gasification furnace centrage 407 form angle γ and be 87 degree remaining is with embodiment 1.
Claims (10)
1. the slack coal slag gasifier with nozzle, it includes connecting double coal lock feed arrangement (1) and body of heater, it is characterized in that on body of heater, have connection double coal lock feed arrangement (1), upper of furnace body has coal gas extraction channel device (2) with gas exit (6), have in the middle part of body of heater in the middle part of vaporizer and draw raw gas device (3), lower portion of furnace body is the slag area (4) with nozzle, has lime-ash floss hole (5) at bottom of furnace body；
Described connection double coal lock feed arrangement (1) it include coal lock (101), coal locks valve (102), the lower valve (103) of coal lock, coal feed point (114), transitional storehouse (104) and coal outlet (113), coal lock (101) has 2, each coal lock (101) top is coal feed point (114), coal feed point (114) lower section is that coal locks valve (102), coal lock (101) bottom communicates with connecting tube (107) top, valve (103) under connecting tube (107) top is locked equipped with coal, connecting tube (107) bottom is connected with transitional storehouse (104), the bottom of transitional storehouse (104) is coal outlet (113), it is connected by least 1 coal lock gas passage (105) between 2 coals lock (101)；
Described coal lock gas passage (105) is made up of two ends coal lock gas passage expanding reach (110) and middle coal lock gas passage straight section (111), at coal lock gas passage straight section (111) built with connecting coal lock access valve (106), being positioned at coal lock gas passage expanding reach (110) and lock the baffle plate (108) being provided with aperture (109) on (1) wall connector with coal, coal lock gas passage expanding reach (110) wall is 30-60 ° with the angle α (112) of coal lock (101) wall.
A kind of slack coal slag gasifier with nozzle, it is characterised in that described baffle plate (108) percent opening is between 45-65%, and the aperture of aperture (109) is 0.2-1.0 millimeter.
A kind of slack coal slag gasifier with nozzle, it is characterised in that described coal lock gas passage (105) position between 0.45-0.55 times of whole coal lock height.
nullA kind of slack coal slag gasifier with nozzle，It includes gasification furnace outer wall (305) to it is characterized in that drawing raw gas device (3) in the middle part of described vaporizer、Gasification stove internal wall (306)，Gasification furnace refractory liner (310)，Gasification furnace refractory brick (311) and gas passage (301)，It is gasification furnace refractory liner (310) between gasification stove internal wall (306) and gasification furnace refractory brick (311)，Gasification furnace outer wall (305) and gasification stove internal wall (306) have the gas passage (301) of at least 2，Gas passage (301) is uniformly distributed in gasification furnace outer wall (305) same level,The opening upwards of gas passage (301)，Gas passage (301) is made up of gas passage outer wall (309) and gas passage inwall (308)，Gas passage outer wall (309) is connected with gasification furnace outer wall (305)，And become the angle β (307) of 30-45 degree，Gas passage inwall (308) is connected with gasification stove internal wall (306)，The baffle plate (302) of aperture (303) it is provided with in the junction, upper middle part of gas passage inwall (308) Yu gasification stove internal wall (306)，Baffle plate (302) is parallel with gasification stove internal wall (306).
A kind of slack coal slag gasifier with nozzle, it is characterized in that described gas passage (301) is metering from bottom vaporizer in the position of gasification stove internal wall (306), be 0.41-0.62 times of vaporizer height.
A kind of slack coal slag gasifier with nozzle, it is characterised in that the percent opening of described baffle plate (302) is between 30-40%, and aperture (303) aperture is 4-8 millimeter.
A kind of slack coal slag gasifier with nozzle, it is characterised in that described baffle plate (302) is 1/10-1/3 circle.
A kind of slack coal slag gasifier with nozzle, it is characterised in that described gas passage (301) has 2-6.
A kind of slack coal slag gasifier with nozzle, it is characterized in that the described slag area with nozzle (4), it includes gasification furnace outer wall (402), gasification stove internal wall (403), gasification furnace refractory liner (404), gasification furnace refractory brick (405) and gasifier nozzle (401), it is gasification furnace refractory liner (404) between gasification stove internal wall (403) and gasification furnace refractory brick (405), burner (401) at least contains 2, it is uniformly distributed in same level, it is 70-90 degree that nozzle centerline (406) and gasification furnace centrage (407) form angle γ, nozzle (401) outlet is downwards.
A kind of slack coal slag gasifier with nozzle, it is characterised in that described burner (401) is 2-6.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2032619U (en) * | 1988-05-27 | 1989-02-15 | 湖南省冷水江制碱厂 | Coal gas generator |
| CN2510495Y (en) * | 2001-11-15 | 2002-09-11 | 房梅昌 | Coal gas producer |
| CN102041098B (en) * | 2010-12-30 | 2013-01-23 | 云南煤化工集团有限公司 | Fixed bed slag gasification furnace |
| CN103436296B (en) * | 2013-09-11 | 2015-05-13 | 上海泽玛克敏达机械设备有限公司 | Slag gasifier for pressurized fixed bed |
| CN203782113U (en) * | 2014-04-09 | 2014-08-20 | 山西大土河焦化有限责任公司 | Continuous gasifying furnace adopting pure oxygen and steam as gasifying agent |
| CN203890301U (en) * | 2014-06-05 | 2014-10-22 | 沈子亮 | Energy-saving two-section type coal gas generation furnace |
| CN204385137U (en) * | 2014-12-11 | 2015-06-10 | 赛鼎工程有限公司 | With the slack coal slag gasifier of nozzle |
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