CN102851081A - Graded-water-chilling coal water slurry or dry coal powder gasifier - Google Patents
Graded-water-chilling coal water slurry or dry coal powder gasifier Download PDFInfo
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- CN102851081A CN102851081A CN2012103686771A CN201210368677A CN102851081A CN 102851081 A CN102851081 A CN 102851081A CN 2012103686771 A CN2012103686771 A CN 2012103686771A CN 201210368677 A CN201210368677 A CN 201210368677A CN 102851081 A CN102851081 A CN 102851081A
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Abstract
The invention discloses a graded-water-chilling coal water slurry or dry coal powder gasifier which is characterized by comprising a gasification furnace, a water chiller, a synthetic gas delivery part and an output chilling part which are arranged sequentially, wherein the gasification furnace comprises a gasification unit which is provided with at least one burner; the water chiller is arranged on the top of the gasification unit; the output chilling part comprises a chilling chamber, a chilling tank, an ascending channel, a flow deflection component and a synthetic gas output port; an inlet of the shock chamber is connected with an output end of the synthetic gas delivery part; the chilling tank is arranged below the chilling chamber; the ascending channel is arranged around the chilling chamber; the flow deflection component is arranged on the top of the ascending channel; the synthetic gas output port is arranged on the shell wall of the output chilling part and positioned beside the flow deflection component; and the synthetic gas delivery part is connected between the output end of the water chiller and the input end of the output chilling part to form a synthetic gas delivery channel. The invention can effectively separate and treat ash and slag generated by gasification, and enhance the single-furnace production capacity.
Description
Technical field
The present invention relates to a kind of coal water slurry or dry coal powder gasification device of water classification Quench.
Background technology
Existing coal water slurry or dry powder gasification furnace, the type of cooling of its high-temperature synthesis gas generally all adopts descending chilling process, and its technique is relatively simple, ripe, and structure is also comparatively simple, and cost is lower, and is more suitable to some chemical-process.
In the vapourizing furnace of existing descending chilling process, be generally reaction chamber upper, the shock chamber under the single fire mouth or the vapourizing furnace of multi-nozzle overhead.Its single nozzle stove list stove processing power is less, and multi-nozzle overhead vapourizing furnace although can improve single stove throughput, can not be processed lime-ash by effective separation, affects long-term operation.
Summary of the invention
The present invention is coal water slurry or the dry coal powder gasification device of a kind of and existing chilling technology that the provides water classification Quench different with equipment in order to overcome the problems referred to above that prior art exists.This device gasifies coal water slurry or dry pulverized coal therein, and the temperature dust-containing synthesis gas after the water classification Quench gasification to be to reach cooling ash disposal purpose, has solved that lime-ash mixes a reluctant difficult problem in the prior art, thereby improves single stove throughput.
The technical scheme that the present invention takes is: a kind of coal water slurry or dry coal powder gasification device of water classification Quench, be characterized in, and comprise vapourizing furnace, water chilling facility, synthetic gas delivery section and output Quench section that order arranges;
Described vapourizing furnace comprises the first housing, is arranged on the gasification unit in described the first housing, and described gasification unit is provided with at least one burner;
The coaxial top that is arranged on described gasification unit of described water chilling facility;
Described output Quench section comprises the second housing and is arranged on shock chamber, Quench pond, rising passway, baffling parts and synthetic gas delivery port in this second housing; The import of described shock chamber is connected with the output terminal of synthetic gas delivery section; Described Quench pond is arranged on below, described shock chamber; Described rising passway is arranged on around the described shock chamber; Described baffling parts are arranged on the top of described rising passway; Described synthetic gas delivery port is arranged on the housing wall of described output Quench section, is positioned at described baffling parts next door;
Described synthetic gas delivery section is provided with the 3rd housing elongated cavity, that turn by inside and consists of, and forms the synthetic gas transfer passage; The 3rd housing is connected between the output terminal and described output Quench section input terminus of described water chilling facility.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench, wherein, described synthetic gas delivery section is down " U " shape.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench, wherein, described shock chamber in a tubular form, its bottom be profile of tooth.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench, wherein, described burner quantity is 4～6, becomes 3～6 ° of angles in the projection of gasification unit cross section with vapourizing furnace section medullary ray, becomes the circle of contact to be arranged symmetrically with mode.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench wherein, also comprise a plurality of water Quench water spraying atomization nozzles, are arranged in the import of described shock chamber; Or be arranged in the inside of the import of described shock chamber and shock chamber.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench wherein, also comprise a slag bath, are arranged on the below of the gasification unit of described vapourizing furnace; The bottom of described slag bath is provided with the slag outlet.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench wherein, also comprise a buck relief outlet, are arranged on the housing of described output Quench section, are positioned at the below of described shock chamber.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench, wherein, described the first housing and the 3rd housing include the metal shell of a pressure-bearing and are arranged on the liner of described outer casing inner wall; Described liner is made of the water wall that fire-resistant casting material or employing are embedded on the casting material.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench, wherein, described the second housing is made of the metal shell of pressure-bearing.
Coal water slurry or the dry coal powder gasification device of above-mentioned a kind of water classification Quench, wherein, the shell of described the first housing, the second housing and the 3rd housing can whole consist of, or the segmentation formation that is connected.
Because this has adopted above technical scheme clearly, it has obtained technique effect is obvious:
1, the water Quench high-temperature synthesis gas of discharging from gasification unit reaction chamber top, and by the reasonable Arrangement synthetic gas at the stove inner flow passage, remove flying dust in the synthetic gas by shock chamber's water-bath, process lime-ash by slag bath quenching slag tap.It not only can carry out effective separating treatment to ash and the slag that gasification produces, and has solved lime-ash and mix a reluctant difficult problem;
2, simultaneously, gasifier nozzle quantity is 4～6, become 3～6 ° of angles to be arranged symmetrically with in the projection of gasification unit cross section with vapourizing furnace section medullary ray, effectively raise single furnace output, and can make the interior synthetic gas of vapourizing furnace can produce eddy flow, it is long to have a residence time, sufficient reacting, the advantage that load is regulated easily.
Description of drawings
Fig. 1 is the coal water slurry of a kind of water classification of the present invention Quench or the one-piece construction synoptic diagram (analysing and observe) of dry coal powder gasification device.
Fig. 2 be gasification unit of the present invention burner part is set analyse and observe (overlooking) figure.
Embodiment
In order to understand this programme better, also be described in detail by reference to the accompanying drawings below by concrete case study on implementation:
See also Fig. 1, Fig. 2.Coal water slurry or the dry coal powder gasification device of a kind of water classification of the present invention Quench comprise vapourizing furnace 1, water chilling facility 2, synthetic gas delivery section 3 and output Quench section 4 that order arranges.
Described vapourizing furnace 1 comprises the first housing 11, is arranged on the gasification unit 12 in described the first housing, and described gasification unit is provided with at least one burner 121; It is 4～6 that present embodiment arranges burner quantity, becomes 3～6 ° of angle α in the projection of gasification unit cross section with vapourizing furnace section medullary ray, becomes the circle of contact to be arranged symmetrically with mode.Also be provided with a slag bath 13 below the gasification unit of described vapourizing furnace, slag bath is provided with a plurality of water spouting nozzles 131, comes the quenching slag tap by water spray.The bottom of described slag bath is provided with slag outlet 132.Described the first housing 11 is made of with the liner 112 that is arranged on described outer casing inner wall the metal shell 111 of a pressure-bearing; Described liner is made of the water wall that fire-resistant casting material or employing are embedded on the casting material.For example adopt such structure: the upper and lower is pyramidal structure, and the centre is straight tube, upper taper structure center arrangement synthetic gas relief outlet, the outlet of lower taper structure center arrangement liquid slag.
Described water chilling facility 2 is arranged on the top of described gasification unit 12.
Described output Quench section 4 comprises the second housing 41 and is arranged on shock chamber 42, Quench pond 43, rising passway 44, baffling parts 45 and synthetic gas delivery port 46 in this second housing.Also comprise a plurality of water Quench water spraying atomization nozzles 47, be arranged in the import of described shock chamber, or be arranged in the inside of the import of described shock chamber and shock chamber.The housing of this output Quench section be positioned at described shock chamber below be provided with a buck relief outlet 48.Described shock chamber 42 adopts the immersion shock chamber, and its import is connected with the output terminal of synthetic gas delivery section 3.In the present embodiment, described shock chamber in a tubular form, its bottom be profile of tooth 421.Described Quench pond 43 is arranged on 42 belows, described shock chamber; Described rising passway 44 be arranged on described shock chamber 42 around; Described baffling parts 45 are arranged on the top of described rising passway 44; Described synthetic gas delivery port 46 is arranged on the housing wall of described output Quench section, is positioned at described baffling parts next door.Described the second housing 41 is made of the metal shell of a pressure-bearing.
Described synthetic gas delivery section 3 is provided with the 3rd housing elongated cavity, that turn by inside and consists of, and forms the synthetic gas transfer passage; The 3rd housing is connected between the output terminal and described output Quench section input terminus of described water chilling facility.Described the 3rd housing is made of with the liner 32 that is arranged on described outer casing inner wall the metal shell 31 of a pressure-bearing; Described liner is made of the water wall that fire-resistant casting material or employing are embedded on the casting material.
The shell of the first housing of the present invention, the second housing and the 3rd housing can whole consist of, or the segmentation formation that is connected.
The principle of work of this gasification installation is:
In gasification unit, material (coal water slurry or dry pulverized coal) reacts with oxygen and water vapor, and generating major ingredient under high temperature and high pressure environment is the synthetic gas of carbon monoxide and hydrogen.Bump from the air-flow of four burner ejections, produce to forward spin flow in reaction chamber, the air-flow eddy flow upwards can make the degree of filling of reaction interior flame better, and the temperature field is also comparatively even.Ash in the coal main form with melting slag in hot environment is vaporized under the upper taper structure seizure of stove unit by inertia effect, and straight tube wall surface trickling is pooled to the slag flow port of reaction chamber bottom again, is discharged to the slag bath quenching that is arranged in the gasification unit below.Remaining flying dust is synthesized gas and carries secretly from gasification unit top and discharge.Preliminary chilling facility is arranged in the outlet of gasification unit top, by water the High Temperature High Pressure synthetic gas of discharging from top of gasification furnace is carried out Quench, synthetic gas is reduced to 400～900 ℃ from 1100～1600 ℃ is beneficial to slag curing.
Synthetic gas after Quench enters the immersion shock chamber by the passage of synthetic gas delivery section.The immersion shock chamber adopts spray+water-bath mode to cool off ash disposal, has arranged circle or a multi-turn water Quench water spraying atomization nozzle in shock chamber's import and inner place, and the water smoke of ejection mixes with high-temperature synthesis gas makes it cooling; Preliminary cooled synthetic gas passes through immersion Quench pond downwards, pass through castellated plates, evenly enter accurate Venturi rising passway behind the bubbling, in rising passway, further carry out the synthetic gas cooling, exit above rising passway, be provided with a baffle means, in order to the macrobead water droplet in the separating synthetic gas, discharge gasification installation finally by the synthetic gas after the Quench from the syngas outlet that is positioned at the pressure vessel middle part.Buck is discharged gasification installation through relief outlet.
The high-temperature synthesis gas that this gasification installation water Quench is discharged from gasification unit reaction chamber top, and pass through the reasonable Arrangement synthetic gas at the stove inner flow passage, remove flying dust in the synthetic gas by shock chamber's water-bath, process slag by slag bath 7 quenching slag taps.Thereby the ash and the slag that effectively gasification are produced carry out effective separating treatment, have solved lime-ash and have mixed a reluctant difficult problem.
Form an angle and be arranged symmetrically with vapourizing furnace section medullary ray because gasifying furnace nozzle quantity is 4～6, effectively raise single furnace output, and can make that synthetic gas can produce eddy flow in the vapourizing furnace, it is long to have a residence time, sufficient reacting, and load is the advantage of adjusting easily.
Claims (10)
1. coal water slurry or the dry coal powder gasification device of a water classification Quench is characterized in that, comprise vapourizing furnace, water chilling facility, synthetic gas delivery section and output Quench section that order arranges;
Described vapourizing furnace comprises the first housing, is arranged on the gasification unit in described the first housing, and described gasification unit is provided with at least one burner;
The coaxial top that is arranged on described gasification unit of described water chilling facility;
Described output Quench section comprises the second housing and is arranged on shock chamber, Quench pond, rising passway, baffling parts and synthetic gas delivery port in this second housing; The import of described shock chamber is connected with the output terminal of synthetic gas delivery section; Described Quench pond is arranged on below, described shock chamber; Described rising passway is arranged on around the described shock chamber; Described baffling parts are arranged on the top of described rising passway; Described synthetic gas delivery port is arranged on the housing wall of described output Quench section, is positioned at described baffling parts next door;
Described synthetic gas delivery section is provided with the 3rd housing elongated cavity, that turn by inside and consists of, and forms the synthetic gas transfer passage; The 3rd housing is connected between the output terminal and described output Quench section input terminus of described water chilling facility.
2. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1 is characterized in that, described synthetic gas delivery section is down " U " shape.
3. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 2 is characterized in that, described shock chamber in a tubular form, its bottom be profile of tooth.
4. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1, it is characterized in that, described burner quantity is 4～6, becomes 3～6 ° of angles in the projection of gasification unit cross section with vapourizing furnace section medullary ray, becomes the circle of contact to be arranged symmetrically with mode.
5. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1 is characterized in that, also comprise a plurality of water Quench water spraying atomization nozzles, are arranged in the import of described shock chamber; Or be arranged in the inside of the import of described shock chamber and shock chamber.
6. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1 is characterized in that, also comprise a slag bath, are arranged on the below of the gasification unit of described vapourizing furnace; The bottom of described slag bath is provided with the slag outlet.
7. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1 is characterized in that, also comprise a buck relief outlet, are arranged on the housing of described output Quench section, are positioned at the below of described shock chamber.
8. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1 is characterized in that, described the first housing and the 3rd housing include the metal shell of a pressure-bearing and be arranged on the liner of described outer casing inner wall; Described liner is made of the water wall that fire-resistant casting material or employing are embedded on the casting material.
9. coal water slurry or the dry coal powder gasification device of a kind of water classification Quench according to claim 1 is characterized in that, described the second housing is made of the metal shell of pressure-bearing.
10. according to claim 8 or coal water slurry or the dry coal powder gasification device of 9 described a kind of water classification Quench, it is characterized in that the shell of described the first housing, the second housing and the 3rd housing can wholely consist of, or the segmentation formation that is connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210368677.1A CN102851081B (en) | 2012-09-28 | 2012-09-28 | Graded-water-chilling coal water slurry or dry coal powder gasifier |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103242906A (en) * | 2013-05-31 | 2013-08-14 | 中国船舶重工集团公司第七一一研究所 | Gasification-reforming transformation reformer of carbonic materials and method of preparing hydrogen-rich syngas |
| CN105038860A (en) * | 2015-07-10 | 2015-11-11 | 北京柯林斯达科技发展有限公司 | Swirl-flow type gasification furnace and swirl-flow type gasification process |
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| CN1050039A (en) * | 1989-09-07 | 1991-03-20 | 克鲁普克普斯有限公司 | A kind of equipment of from carbon support in small, broken bits, producing raw gas |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103242906A (en) * | 2013-05-31 | 2013-08-14 | 中国船舶重工集团公司第七一一研究所 | Gasification-reforming transformation reformer of carbonic materials and method of preparing hydrogen-rich syngas |
| CN105038860A (en) * | 2015-07-10 | 2015-11-11 | 北京柯林斯达科技发展有限公司 | Swirl-flow type gasification furnace and swirl-flow type gasification process |
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| CN102851081B (en) | 2014-12-31 |
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Effective date of registration: 20151116 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee after: SHANGHAI QIYAO HEAVY INDUSTRY CO.,LTD. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |
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Effective date of registration: 20160105 Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: Shanghai Marine Diesel Engine Research Institute Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Building 1 room 629 Patentee before: SHANGHAI QIYAO HEAVY INDUSTRY CO.,LTD. |
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Address after: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee after: The 711 Research Institute of China Shipbuilding Corp. Address before: 201108 Shanghai city Minhang District Huaning Road No. 3111 Patentee before: Shanghai Marine Diesel Engine Research Institute |
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