CN203144351U - Entrained-flow bed gasifying furnace with single nozzle - Google Patents
Entrained-flow bed gasifying furnace with single nozzle Download PDFInfo
- Publication number
- CN203144351U CN203144351U CN2013200997904U CN201320099790U CN203144351U CN 203144351 U CN203144351 U CN 203144351U CN 2013200997904 U CN2013200997904 U CN 2013200997904U CN 201320099790 U CN201320099790 U CN 201320099790U CN 203144351 U CN203144351 U CN 203144351U
- Authority
- CN
- China
- Prior art keywords
- vapourizing furnace
- chamber
- furnace
- quench
- single nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
Images
Classifications
-
- 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
- Air Supply (AREA)
Abstract
The utility model discloses an entrained-flow bed gasifying furnace with a single nozzle. The furnace is characterized by comprising a gasifying furnace body, wherein a chilling conversion chamber is arranged below the gasifying furnace body, and a washing and deslagging chamber is arranged below the chilling conversion chamber. The gasifying furnace body, the chilling conversion chamber and the washing and deslagging chamber are coaxially arranged. The gasifying furnace body is internally provided with a technical nozzle chamber. The chilling conversion chamber is internally provided with a chilling ring. The furnace disclosed by the utility model can be easily applied to large-scale amplification, and has the characteristics of stable and reliable operation, environmental friendliness, energy saving and the like.
Description
Technical field
The utility model relates to a kind of single nozzle airflow bed gasification furnace, belongs to energy clean utilization technical field.
Background technology
The fuel gasification technical development had century-old history so far, gasification technology is also along with more technology class has appearred in the continuous variation of continuous advancement in technology and application demand, from gasification technology now apply with development scale as can be seen, the air-flow bed coal-gasification technology is shown one's talent from numerous Coal Gasification Technology gradually, becomes one of typical case's representative technology of the third generation or most advanced rank gasification technology.
Vapourizing furnace is as the leading technology of industries such as chemical industry, fuel cell, generating, and its engineering reliability, operation stability, equipment investment cost and efficiency of energy utilization are the main impellents that its technology constantly advances.And from the application feature of present gasification technology, Coal Gasification Technology is undoubtedly whole gasification field to be used at most, and the major technique that technology is the most ripe is particularly particularly outstanding in the application of coal chemical technology.
Representative entrained flow bed gasification technology mainly contains both at home and abroad:
1. coal water slurry gasification technology
The multi-nozzle coal water slurry gasification technology CN200510111484.8 of the GE coal water slurry gasification technology US4778483 of U.S. GE company, Chinese East China University of Science etc., classification oxygen supply coal water slurry gasification technology CN200610114039.1 of China Tsing-Hua University exploitation etc., more than three patented technologies at home and abroad be most widely used in the coal water slurry gasification technology, when this technology was applied to coal chemical technology, it had adopted identical scrubbing-cooling chamber directly to wash the method for Quench;
2. dry coal powder gasification technology
The Shell dry coal powder gasification technology CN90103807.5 of Holland Shell Co. Ltd, the GSP dry coal powder gasification technology CN101255362 of Siemens, single nozzle dry coal powder gasification technology CN200520047972.2 of exploitation such as the double-section dry coal powder gasification technology CN01131780.9 of China Huaneng Group and Chinese East China University of Science etc., though the industrial application of dry coal powder gasification technology is much more late than the coal water slurry gasification technology, but the dry coal powder gasification technology adopts the water wall gasification technology, it has vapourizing furnace work-ing life, advantages such as vapourizing furnace cold gas efficiency and coal adaptability are wide are entrained flow bed gasification technology developing direction from now on.More than four kinds of dry coal powder gasification technology all obtained industrial application, but Shell gasification technology and Huaneng Group two-part gasification technology are owing to adopt the afterheat recovery type method can run into or run into a lot of problems in Application in Chemical Engineering, though the GSP vapourizing furnace has adopted chilling process, but its lime-ash entrainment problem has had a strong impact on its system stability and available rate, the single nozzle dry coal powder gasification technology of exploitation such as East China University of Science adopts chilling process, do not obtain the check of industry operation as yet, directly high-temperature synthesis gas is carried the molten state lime-ash secretly and is entered the downtake ablation problem that scrubbing-cooling chamber brings and may still exist.
Therefore, develop a kind of be easy to carry out maximize amplify, the extensive high-efficiency gasification technology of stable and reliable operation, be one of gordian technique approach that improves carbonaceous material gasification technology reliability such as coal in China.
Summary of the invention
The purpose of this utility model is to solve high-temperature synthesis gas to carry the molten state lime-ash secretly and enter scrubbing-cooling chamber, cause downtake to be ablated, had a strong impact on problems such as system stability and available rate, provide a kind of be easy to maximize amplify the single nozzle airflow bed gasification furnace of application, stable and reliable operation, environmental protection and energy saving.
In order to achieve the above object, the utility model provides a kind of single nozzle airflow bed gasification furnace, it is characterized in that, comprise the vapourizing furnace body, be provided with Quench conversion chamber below the described vapourizing furnace body, be provided with washing below the Quench conversion chamber except the grit chamber, described vapourizing furnace body, Quench conversion chamber and washing are coaxial setting except the grit chamber, be provided with the process burner chamber in the described vapourizing furnace body, the indoor chilling ring that is provided with of described Quench conversion.
Preferably, described vapourizing furnace body comprises the vapourizing furnace housing, top in the vapourizing furnace housing is provided with the vapourizing furnace furnace wall, the top of vapourizing furnace furnace wall is provided with the process burner chamber, the inside of vapourizing furnace furnace wall is the vapourizing furnace burner hearth, the bottom of vapourizing furnace burner hearth is provided with cinder notch under the vapourizing furnace, and cinder notch passes the outlet of vapourizing furnace body under the vapourizing furnace;
Described Quench conversion chamber comprises the guide wire that links to each other with the outlet of vapourizing furnace body, the outside of guide wire is connected with chilling ring, chilling ring is provided with the Quench shower nozzle, and the below of chilling ring is provided with Quench conversion chamber conical lower portion, and Quench conversion chamber conical lower portion is connected with Quench conversion chamber conical outlet;
Described washing comprises the downtake that links to each other with Quench conversion chamber conical outlet except the grit chamber, the below of downtake is provided with slag bath, be provided with brokenly the bubble plate between downtake and the vapourizing furnace housing, the vapourizing furnace housing of broken bubble plate top is provided with syngas outlet, be provided with broken slag device in the slag bath, broken slag device comprises the break grid, and break grid top is provided with tap web break awl, and the broken slag device below is provided with slag-drip opening.
Preferably, cinder notch is cone-shaped under the described vapourizing furnace, and its angle of taper is 15～75 °.
Preferably, the outside of described guide wire is provided with at least one circle chilling ring, is equipped with the Quench shower nozzle that 64～200 edges are circular layout on every circle chilling ring.
Preferably, the shower nozzle of described Quench shower nozzle and the vapourizing furnace first angle angle and the second angle angle axial and that radially form respectively, the first angle angle is 0～60 °, the second angle angle is-60～60 °.
Preferably, the angle of taper of described Quench conversion chamber conical lower portion is 15～75 °.
Preferably, described guide wire be shaped as bell mouth shape, its flaring angle is 5～45 °.
Preferably, described process burner chamber run through the vapourizing furnace housing the top and with the coaxial setting of vapourizing furnace body, the process burner chamber can be made as process burner, igniter burner or baker burner and share the burner chamber.
Preferably, described broken bubble plate is provided with one deck at least, and every layer of broken bubble plate comprises skeleton foam-breaking strip and peripheral foam-breaking strip, is equipped with the broken bubble of downward taper tooth below skeleton foam-breaking strip and the peripheral foam-breaking strip.
Preferably, described break grid is dome-shaped, and is provided with one deck at least, grid aperture 20 * 20～200 * 200mm of break grid.
Preferably, described downtake is cylindric, and coaxial with Quench conversion chamber, and the ratio of downtake diameter and vapourizing furnace body internal diameter is 0.1～0.6.
Compared to existing technology, the utility model is put and is had following beneficial effect:
(1) adopt Quench conversion chamber to separate combined system with washing except the grit chamber, improved the efficient of gasification product cooling, washing, purifying greatly, and stable equipment operation and reliability are improved greatly, both solved syngas outlet band ash problem, problems such as downtake high temperature corrosion and ablation have also been solved, also can be water vapor, the CO transformationreation provides logistics condition and reaction compartment, and the synthetic gas cooling treatment system slagging scorification of vapourizing furnace bottom, stifled slag probability is reduced greatly;
(2) adopted the vapourizing furnace up-set type, synthetic gas and lime-ash are flowed downward in the same way, and descending the cinder notch position to carry out the large space sprinkling Quench, can effectively remove lime-ash in the synthetic gas, and make its curing rapidly, and compare with gas, the reverse shunting vapourizing furnace of slag, simplified device structure greatly, reduced facility investment, not only environmental protection but also energy-conservation;
(3) the vapourizing furnace body of employing employing single nozzle overhead type design, simple in structure being easy to processed, and the amplification application that is easy to maximize, and reduced the operation stability of multi-nozzle technology, reduced total facility investment.
Description of drawings
Fig. 1 is a kind of structural representation of single nozzle airflow bed gasification furnace;
Fig. 2 is the B-B sectional view of Fig. 1;
Fig. 3 is the schematic cross-section of broken bubble plate.
Description of reference numerals
1-vapourizing furnace housing; 2-vapourizing furnace furnace wall; 3-vapourizing furnace burner hearth; Cinder notch under the 4-vapourizing furnace; The outlet of 5-vapourizing furnace body; 6-Quench conversion chamber conical outlet; The 7-downtake; The broken bubble of 8-plate; The peripheral foam-breaking strip of 8a-; 8b-skeleton foam-breaking strip; The 9-slag bath; The 10-slag-drip opening; 11-process burner chamber; The 12-guide wire; 13-Quench shower nozzle; The 14-chilling ring; The 15-syngas outlet; The 16-process burner; 17-break grid; 18-Quench conversion chamber conical lower portion; 19-tap web break awl, 20-washing water inlet, the outlet of 21-washing water.
Embodiment
For the utility model is become apparent, now with preferred embodiment, and conjunction with figs. is described in detail below.
The utility model is a kind of single nozzle airflow bed gasification furnace, comprises three chief components, is respectively vapourizing furnace body (regional I gasifies), Quench conversion chamber (cooled region II) and washing except grit chamber (the regional III of washing slagging-off).As shown in Figure 1, be a kind of structural representation of single nozzle airflow bed gasification furnace.Be mounted with Quench conversion chamber below the vapourizing furnace body, be mounted with washing below the Quench conversion chamber except the grit chamber, vapourizing furnace body, Quench conversion chamber and washing are coaxial setting except the grit chamber.Top of gasification furnace adopts the dome-shaped design, and its diameter is consistent with the vapourizing furnace barrel diameter, and the design of straight section formula is adopted in the vapourizing furnace bottom.
The vapourizing furnace body comprises the process burner chamber 11 of vapourizing furnace housing 1, furnace internal-lining refractory liner (can be water wall lining or refractory liner), vapourizing furnace burner hearth 3 and top of gasification furnace, and composition such as cinder notch 4 under the vapourizing furnace.Top in the vapourizing furnace housing 1 is equipped with vapourizing furnace furnace wall 2, and the top of vapourizing furnace furnace wall 2 is equipped with process burner chamber 11, process burner chamber 11 run through vapourizing furnace housing 1 the top and with the coaxial setting of vapourizing furnace body.Process burner chamber 11 can be used as the process burner chamber, also can be used as auxiliary burning nozzle chambers such as igniter burner chamber or baker burner chamber, or as manhole.The inside of vapourizing furnace furnace wall 2 is vapourizing furnace burner hearth 3, and the bottom of vapourizing furnace burner hearth 3 is cinder notch 4 under the vapourizing furnace, and cinder notch 4 is cone-shaped under the vapourizing furnace, and its angle of taper δ is 15～75 °.Cinder notch 4 passes vapourizing furnace body outlet 5 under the vapourizing furnace.
Quench conversion chamber comprises and chilling ring 14, the edge of vapourizing furnace body outlet 5 guide wires that link to each other 12, the annular compositions such as being installed in Quench shower nozzle 13 on the chilling ring 14 and Quench conversion chamber conical lower portion 18 that is circular layout.The place is equipped with chilling ring 14 and guide wire 12 at Quench conversion chamber inlet, and chilling ring 14 is connected with the outside of guide wire 12, guide wire 12 be shaped as bell mouth shape, its flaring angle ε is 5～45 °.Guide wire 12 outsides are equipped with at least one circle chilling ring 14, all are equipped with 64～200 on every circle chilling ring 14 along the Quench shower nozzle 13 of chilling ring 14 circumference, as shown in Figure 2.The first angle angle λ that the shower nozzle of Quench shower nozzle 13 and vapourizing furnace axially form is 0～60 °, and the axial spray angle of each circle shower nozzle can be inconsistent.The second angle angle [alpha] that the shower nozzle of Quench shower nozzle 13 and vapourizing furnace radially form is-60～60 °.The below of chilling ring 14 is Quench conversion chamber conical lower portion 18,15～75 ° of the angle of taper ω of Quench conversion chamber conical lower portion 18, and conical design can guarantee that spray water/entrainment with steam part lime-ash flows downward.Quench conversion chamber conical lower portion 18 is connected with Quench conversion chamber conical outlet 6.
The downtake 7 that washing links to each other with Quench conversion chamber conical outlet 6 except the grit chamber comprises, slag bath 9, break grid 17, compositions such as broken bubble plate 8, slag-drip opening 10 and syngas outlet 15.The center of removing the grit chamber in washing is equipped with downtake 7, and its bottom is slag bath 9, and downtake 7 and the coaxial setting in Quench conversion chamber all adopt columnar structured design.The ratio of downtake 7 diameters and vapourizing furnace body internal diameter is 0.1～0.6.Bubble plate 8 is installed brokenly between downtake 7 and the vapourizing furnace housing 1, and broken bubble plate 8 adopts skeleton design, and broken bubble plate 8 is equipped with one deck at least, and every layer of broken bubble plate 8 is made up of skeleton foam-breaking strip 8b and peripheral foam-breaking strip 8a, as shown in Figure 3.The following broken bubble of the downward taper tooth that all is equipped with of skeleton foam-breaking strip 8b and peripheral foam-breaking strip 8a.(namely removing middle and upper part, side, grit chamber in washing) has syngas outlet 15 on the vapourizing furnace housing 1 of broken bubble plate 8 tops, and syngas outlet 15 bores determine that according to gasifying furnace device design output control vapourizing furnace syngas outlet 15 flow velocitys are 3～15m/s.In the slag bath 9 broken slag device is installed, broken slag device comprises break grid 17 and tap web break awl 19, tap web break awl 19 is installed in the top of break grid 17, break grid 17 adopts the dome-shaped grill designs, and be provided with one deck at least, grid aperture 20 * 20～200 * 200mm of break grid 17, the broken slag device below is slag-drip opening 10.Washing water can be from the washing water inlet 20 enter slag bath 9, after treatment, it are discharged from washing water outlet 21.
The technological process of single nozzle airflow bed gasification furnace is mainly divided three subprocess, is described below respectively:
Process one: vaporising fuel and vaporized chemical spray into vapourizing furnace by process burner 16 from the process burner chamber 11 of top of gasification furnace simultaneously, high temperature, the complicated gasification reaction of high pressure take place in vapourizing furnace burner hearth 3, molten state ash solid impurity particle is in directive vapourizing furnace furnace wall, top jet diffusion back 2, form stable liquid slag film, be beneficial to slag tap, improve the residence time and efficiency of carbon conversion simultaneously greatly.Product after gasification cinder notch 4 under vapourizing furnace enters Quench conversion chamber, and cinder notch 4 stream temperature generally remain on more than 1200 ℃ according to coal ash melting characteristic difference under the vapourizing furnace.
Process two: the High Temperature High Pressure synthetic gas is being carried the liquid lime-ash that produces in the gasification secretly and is being entered Quench conversion chamber by guide wire 12, under the guiding of guide wire 12, gas slag mixture below the guide wire 12 on from chilling ring 14 under the spray effect of Quench shower nozzle 13, synthetic gas is lowered the temperature rapidly, the molten state lime-ash solidifies rapidly, converge mobile after the curing downwards, and under the spray effect at deflection center, Quench shower nozzle 13 sides, synthetic gas is carried lime-ash secretly and is flowed to the center gathering, the final flow direction washed except the grit chamber, synthetic gas and the lime-ash stream temperature of this moment are generally between 250～500 ℃, simultaneously certain water vapor also takes place in that the Quench conversion is indoor, the transformationreation of CO, synthetic or hydrogen manufacturing ready for the downstream chemical industry, this process has been finished most synthetic gas transformationreation, and need provide a large amount of water vapors for subsequent technique.
Process three: Quench conversion chamber conical outlet 6 places of spray water/steam below Quench conversion chamber compile, and flow downward, and at the downtake 7 inwalls formation liquid film of washing except the grit chamber, avoid the erosion of synthetic gas and lime-ash stream with further protection downtake 7.The lime-ash that solidifies through Quench flows from top to bottom at the lower edge downtake 7 of carrying secretly of synthetic gas, in the process of flowing downward, the grey solid impurity particle that synthetic gas is carried secretly is captured by bottom slag bath 9, and after break grid 17 break filtration treatment, discharge vapourizing furnace through slag-drip opening 10 downwards, synthetic gas is then through entering the annular space that forms between downtake 7 and the vapourizing furnace housing 1 behind slag bath 9 bubble cleanings, and it is upwards mobile along annular space, the foam of carrying secretly and grey solid impurity particle are further removed by broken bubble plate 8, fully the slagging-off cooling is discharged vapourizing furnace by vapourizing furnace side syngas outlet 15, this moment, the synthetic gas temperature remained on about 200 ℃ usually, and this process has been finished the synthetic gas rough purification and further washed the process of cooling.
Through above three processes, namely finished complete process process of the present utility model.
The fuel tolerance that the utility model adopts is wide, is chosen as carbonic solid fuels or its formulated slurry liquid fuels such as coal, and namely its fuel form can be pressed powder or liquid slurry; The vaporized chemical that adopts is chosen as water vapor, air, pure oxygen or oxygen concentration greater than 21% oxygen-rich air.The material of vapourizing furnace furnace wall 2 can adopt water wall structure or firebrick structure design, and water wall structure can be selected shell and tube, coil tube type or its array configuration for use.
The utility model is described in further detail to carry out result that corresponding test obtains below in conjunction with the single nozzle airflow bed gasification furnace that adopts the utility model to provide:
The dry coal powder pressurization single nozzle airflow bed gasification furnace of one cover day 3000 tons of coals of processing, the interior diameter of gasification reactor chamber housing (being vapourizing furnace furnace wall 2) is 3850mm, cinder notch 4 internal diameter 1100mm under the vapourizing furnace.The process burner 16 of vapourizing furnace bodies top sprays into 100% coal dust, 100% water vapor and 100% purity oxygen altogether, and process burner chamber, top 11 is as igniting/startup burner.
The barrel diameter of synthetic gas Quench conversion chamber is 4800mm, chilling ring 14 arranges one deck, Quench shower nozzle 13 is evenly arranged 128 along chilling ring 14, the spray liquid water, be provided with one deck altogether, the first angle angle λ that Quench shower nozzle 13 axially sprays is 15 °, and the second angle angle [alpha] of radial spray is-3 °, the about 5m/s of jet velocity.
Quench conversion chamber guide wire 12 flaring angle ε are made as 15 °.
Washing is provided with 3 layers of broken bubble plate 8 and one deck break grid 17, grid aperture 150 * 150mm except grit chamber's downtake 7 diameter 1500mm.
Vapourizing furnace body syngas outlet 15 diameter 650mm.
The water wall design is adopted in vapourizing furnace furnace wall 2.
120 ℃ liquid water under the indoor employing 4.0Mpa of washing slagging-off sprays.
Can be obtained the analytical data (as shown in table 2) of coal analysis (as shown in table 1) and gasification reactor apparatus outlet synthetic gas by above-mentioned gasification reactor apparatus:
Table 1 coal analysis table
Other main operational conditions:
Service temperature: 1623K;
Working pressure: 4.0MPa;
Coal dust delivery of carrier gas medium: nitrogen;
Oxygen coal ratio: 0.48kg/kg;
Steam coal ratio: 0.03kg/kg;
Steam-in temperature: 623K;
Oxygen intake temperature: 298K;
Oxygen purity: 99.6%.
Gasification reactor apparatus outlet synthetic gas analytical data is:
Table 2 vapourizing furnace body outlet gas composition (Vol%) and following cinder notch place temperature (K) data
| H 2 | CO | CO 2 | H 2O | CH 4 | H 2S | COS | N 2 | T |
| 29.95 | 59.67 | 2.28 | 3.87 | 0.31 | 0.50 | 0.01 | 3.41 | 1732 |
Gasification reactor apparatus outlet synthetic gas temperature: 478K;
Efficiency of carbon conversion: 99.5%;
Active constituent content (H in the gasification reactor apparatus outlet coal gas
2+ CO): 93.23% (butt);
Whole cold gas efficiency: 83.5%.
Compared with prior art, the gasification technology ratio that the utility model provides: efficiency of carbon conversion improves 〉=2%, and cold gas efficiency improves 〉=5%, and the effective pneumatolytic of synthetic gas divides ratio to improve 〉=5%, than oxygen consumption (Nm
3/ kNm
3(H
2+ CO)) and reduce 〉=12, than coal consumption (kg/kNm
3(H
2+ CO)) and reducing 〉=55, working cost reduces 〉=10%, and investment cost reduces 〉=10%.
Embodiment 2
The coal water slurry pressurization single nozzle airflow bed gasification furnace of one cover day 3000 tons of coals of processing, vapourizing furnace body internal diameter (being vapourizing furnace furnace wall 2) is 4000mm, cinder notch 4 internal diameter 1000mm under the vapourizing furnace.Process burner 16 in the vapourizing furnace bodies top process burner chamber 11 sprays into 100% coal water slurry and 100% purity oxygen altogether.
The barrel diameter of synthetic gas Quench conversion chamber is 4800mm, chilling ring 14 arranges one deck, Quench shower nozzle 13 is evenly arranged 128 along chilling ring 14, be provided with one deck altogether, the first angle angle λ that Quench shower nozzle 13 axially sprays is 30 °, the second angle angle [alpha] of radial spray is-0.5 °, the about 8m/s of jet velocity.
Quench conversion chamber guide wire 12 flaring angle ε are made as 30 °.
Washing is provided with 3 layers of broken bubble plate 8 and one deck break grid 17, grid aperture 180 * 180mm except grit chamber's downtake 7 diameter 1400mm.
Vapourizing furnace body syngas outlet 15 diameter 680mm.
The refractory brick design is adopted in vapourizing furnace furnace wall 2.
Used water coal slurry concentration 64%.
130 ℃ water vapor under the indoor employing 6.5Mpa of washing slagging-off sprays.
Can be obtained the analytical data (as shown in table 4) of coal analysis (as shown in table 3) and gasification reactor apparatus outlet synthetic gas by above-mentioned gasification reactor apparatus:
Table 3 coal analysis table
Other main technique operational conditions:
Service temperature: 1573K;
Working pressure: 6.5MPa;
Coal water slurry collocating medium: service water and chemical additive;
Oxygen to carbon atom ratio: 0.95g;
Oxygen intake temperature: 298K;
Oxygen purity: 99.6%.
Gasification reactor apparatus outlet synthetic gas analytical data is:
Table 2 gasification installation outlet gas composition (Vol%) and following cinder notch place temperature (K) data
| H 2 | CO | CO 2 | H 2O | CH 4 | H 2S | COS | N 2 | T |
| 16.16 | 17.23 | 4.62 | 61.98 | 0.003 | 0.001 | 0.001 | 0.003 | 471 |
Gasification reactor apparatus outlet synthetic gas temperature: 471K;
Efficiency of carbon conversion: 98.5%;
Active constituent content (H in the coal gas
2+ CO): 87.82% (butt);
Whole cold gas efficiency: 80.6%.
Compared with prior art, the gasification technology ratio that the utility model provides: efficiency of carbon conversion improves 〉=1%, and cold gas efficiency improves 〉=2%, and the effective pneumatolytic of synthetic gas divides ratio to improve 〉=4%, than oxygen consumption (Nm
3/ kNm
3(H
2+ CO)) and reduce 〉=10, than coal consumption (kg/kNm
3(H
2+ CO)) and reducing 〉=50, working cost reduces 〉=15%, and investment cost reduces 〉=15%.
Claims (11)
1. single nozzle airflow bed gasification furnace, it is characterized in that, comprise the vapourizing furnace body, be provided with Quench conversion chamber below the described vapourizing furnace body, be provided with washing below the Quench conversion chamber except the grit chamber, described vapourizing furnace body, Quench conversion chamber and washing are coaxial setting except the grit chamber, are provided with process burner chamber (11) in the described vapourizing furnace body, the indoor chilling ring (14) that is provided with of described Quench conversion.
2. a kind of single nozzle airflow bed gasification furnace as claimed in claim 1, it is characterized in that, described vapourizing furnace body comprises vapourizing furnace housing (1), top in the vapourizing furnace housing (1) is provided with vapourizing furnace furnace wall (2), the top of vapourizing furnace furnace wall (2) is provided with process burner chamber (11), the inside of vapourizing furnace furnace wall (2) is vapourizing furnace burner hearth (3), and the bottom of vapourizing furnace burner hearth (3) is provided with cinder notch under the vapourizing furnace (4), and cinder notch under the vapourizing furnace (4) passes vapourizing furnace body outlet (5);
Described Quench conversion chamber comprises the guide wire (12) that links to each other with vapourizing furnace body outlet (5), the outside of guide wire (12) is connected with chilling ring (14), chilling ring (14) is provided with Quench shower nozzle (13), the below of chilling ring (14) is provided with Quench conversion chamber conical lower portion (18), and Quench conversion chamber conical lower portion (18) is connected with Quench conversion chamber conical outlet (6);
Described washing comprises the downtake (7) that links to each other with Quench conversion chamber conical outlet (6) except the grit chamber, the below of downtake (7) is provided with slag bath (9), be provided with brokenly bubble plate (8) between downtake (7) and the vapourizing furnace housing (1), the vapourizing furnace housing (1) of broken bubble plate (8) top is provided with syngas outlet (15), slag bath is provided with broken slag device in (9), broken slag device comprises break grid (17), and break grid (17) top is provided with tap web break awl (19), and the broken slag device below is provided with slag-drip opening (10).
3. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2 is characterized in that, cinder notch under the described vapourizing furnace (4) is cone-shaped, and its angle of taper (δ) is 15～75 °.
4. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2 is characterized in that, the outside of described guide wire (12) is provided with at least one circle chilling ring (14), is equipped with the Quench shower nozzle (13) that 64～200 edges are circular layout on every circle chilling ring (14).
5. a kind of single nozzle airflow bed gasification furnace as claimed in claim 5, it is characterized in that, the shower nozzle of described Quench shower nozzle (13) and the vapourizing furnace first angle angle (λ) and the second angle angle (α) axial and that radially form respectively, the first angle angle (λ) is 0～60 °, and the second angle angle (α) is-60～60 °.
6. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2 is characterized in that, 15～75 ° of the angle of taper (ω) of described Quench conversion chamber conical lower portion (18).
7. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2 is characterized in that, described guide wire (12) be shaped as bell mouth shape, its flaring angle (ε) is 5～45 °.
8. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2, it is characterized in that, described process burner chamber (11) run through vapourizing furnace housing (1) the top and with the coaxial setting of vapourizing furnace body, process burner chamber (11) can be made as process burner, igniter burner or baker burner and share the burner chamber.
9. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2, it is characterized in that, described broken bubble plate (8) is provided with one deck at least, every layer of broken bubble plate (8) comprises skeleton foam-breaking strip (8b) and peripheral foam-breaking strip (8a), is equipped with downward taper below skeleton foam-breaking strip (8b) and the peripheral foam-breaking strip (8a) and breaks and steep tooth.
10. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2 is characterized in that, described break grid (17) is dome-shaped, and is provided with one deck at least, grid aperture 20 * 20～200 * 200mm of break grid (17).
11. a kind of single nozzle airflow bed gasification furnace as claimed in claim 2 is characterized in that described downtake (7) is cylindric, and coaxial with Quench conversion chamber, the ratio of downtake (7) diameter and vapourizing furnace body internal diameter is 0.1～0.6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200997904U CN203144351U (en) | 2013-03-05 | 2013-03-05 | Entrained-flow bed gasifying furnace with single nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200997904U CN203144351U (en) | 2013-03-05 | 2013-03-05 | Entrained-flow bed gasifying furnace with single nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203144351U true CN203144351U (en) | 2013-08-21 |
Family
ID=48971894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200997904U Withdrawn - After Issue CN203144351U (en) | 2013-03-05 | 2013-03-05 | Entrained-flow bed gasifying furnace with single nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203144351U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146433A (en) * | 2013-03-05 | 2013-06-12 | 上海锅炉厂有限公司 | Gasifier of entrained-flow bed with single nozzle |
| CN103820159A (en) * | 2014-02-27 | 2014-05-28 | 神华集团有限责任公司 | Dry coal dust gasification system |
| CN113214873A (en) * | 2021-03-30 | 2021-08-06 | 宁夏神耀科技有限责任公司 | Dry coal powder entrained flow gasifier and dry coal powder gasification method |
-
2013
- 2013-03-05 CN CN2013200997904U patent/CN203144351U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103146433A (en) * | 2013-03-05 | 2013-06-12 | 上海锅炉厂有限公司 | Gasifier of entrained-flow bed with single nozzle |
| CN103146433B (en) * | 2013-03-05 | 2014-09-03 | 上海锅炉厂有限公司 | Gasifier of entrained-flow bed with single nozzle |
| CN103820159A (en) * | 2014-02-27 | 2014-05-28 | 神华集团有限责任公司 | Dry coal dust gasification system |
| CN103820159B (en) * | 2014-02-27 | 2015-12-09 | 神华集团有限责任公司 | A kind of dry coal powder gasification system |
| CN113214873A (en) * | 2021-03-30 | 2021-08-06 | 宁夏神耀科技有限责任公司 | Dry coal powder entrained flow gasifier and dry coal powder gasification method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108410510B (en) | Integrated coal gasifier for ash removal of waste boiler | |
| EP2799520B1 (en) | Biomass gasification island process under high temperature and atmospheric pressure | |
| CN105586093B (en) | The gasification reactor and its gasification process of a kind of band part waste-heat recovery device | |
| CN108130133B (en) | Large-scale semi-waste boiler gasification device | |
| CN103146433B (en) | Gasifier of entrained-flow bed with single nozzle | |
| CN107090311A (en) | High efficient heat recovery carries flow gasification stove | |
| CN203144350U (en) | Entrained-flow bed gasifying furnace with multiple nozzles | |
| CN103146434B (en) | Multi-nozzle entrained-flow bed gasification furnace | |
| CN203144351U (en) | Entrained-flow bed gasifying furnace with single nozzle | |
| CN105779014B (en) | J-type airflow bed gasification furnace | |
| CN105154140A (en) | Multi-stage entrained-flow coal gasification method and equipment capable of realizing coupling high temperature shift | |
| CN1417302A (en) | New-type dry coal powder gas flow bed pressurizing gasifying furnace | |
| CN104676587B (en) | Combined type powder fuel vortex burner | |
| CN205133529U (en) | High temperature gasification result quench transform purifier | |
| CN204455022U (en) | Slag circulation of vital energy in the wrong direction flowing water Quench vapourizing furnace | |
| CN207072928U (en) | One kind pyrolysis and gasification decoupling gasification furnace | |
| CN105733686B (en) | Ring type collision type gasification furnace | |
| CN203807410U (en) | Pressurized gasification device for dry powder | |
| CN107418632A (en) | Produce gasification system and gasification process that methane thermal is vented one's spleen with synthesis gas simultaneously | |
| CN203820730U (en) | Gasification reactor with combined nozzle entering from top for pulverized coal at elevated pressure | |
| CN1935951B (en) | High temperature gasifying apparatus for solid carbon raw material | |
| CN101570699A (en) | Gasification device for solid fuel and method for producing synthetic gas | |
| CN103965966B (en) | A kind of dry powder pressurizing gasifying apparatus with treatment of Organic Wastewater | |
| CN203613157U (en) | Coalgasification device capable of burning organic waste sewage | |
| CN104531230A (en) | High-efficiency energy-saving water gas purification device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130821 Effective date of abandoning: 20140903 |
|
| RGAV | Abandon patent right to avoid regrant |