CN101440308A - Fixed bed-fluidized bed serially connected gasification method and apparatus - Google Patents
Fixed bed-fluidized bed serially connected gasification method and apparatus Download PDFInfo
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- CN101440308A CN101440308A CN 200810240801 CN200810240801A CN101440308A CN 101440308 A CN101440308 A CN 101440308A CN 200810240801 CN200810240801 CN 200810240801 CN 200810240801 A CN200810240801 A CN 200810240801A CN 101440308 A CN101440308 A CN 101440308A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/16—Combined cycle power plant [CCPP], or combined cycle gas turbine [CCGT]
- Y02E20/18—Integrated gasification combined cycle [IGCC], e.g. combined with carbon capture and storage [CCS]
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Abstract
The invention relates to a method and a device for gasification, in particular to the method and the device for serial gasification of a fixed bed and a fluidized bed, wherein the method comprises the following steps: 1) feeding a gasification raw material with the particle size of between 13 and 50 millimeters and a gasification agent to a fixed bed gasifier to perform gasification reaction so as to generate coal gas and ash content, discharging the ash content from an ash discharging opening of the fixed bed, and introducing the coal gas to the lower part of a dense phase zone of a fluidized bed gasifier; 2) feeding a thin particle shapeed coal gasification raw material with the particle size of between 0.5 and 8 millimeters and the gasification agent into a fluidized bed gasifier to perform gasification reaction with the vertically raising coal gas so as to generate the coal and the ash content, discharging the ash content from the ash discharging opening of the fluidized bed, and introducing the coal gas into a cyclone separator; and 3) performing gas-solid separation on the coal gas in the cyclone separator, outputting the coal gas from a coal gas outlet of the cyclone separator, and sending back solid particles carried by the coal gas to the fluidized bed gasifier through a dipleg of the cyclone separator to perform the gasification reaction continuously. The method and the device have quite important significance on improving the economic benefit and reducing the sewage treatment cost for the medium and small-sized coal chemical enterprises in China.
Description
Technical field
The present invention relates to a kind of gasification process and device, particularly about a kind of fixed bed-fluidized bed serially connected gasification method and device.
Background technology
China's industrial gas and synthetic gas consumption are along with Economic development, and demand increased progressively with day, and coal gasification is widely used in industrial trade and domestic gases such as metallurgy, chemical industry, building materials, machinery.Coal gasification mainly is divided into fixed bed, fluidized-bed and entrained flow gasification, and atmospheric pressure coal gasifying mainly is to adopt fixed bed and fluidized-bed.
Atmospheric fixed bed gasification technology is based on mixture generator, UGI (atmospheric fixed bed gasification), water-gas generators, two sections mixture generators, two sections water-gas generators etc., and its advantage is simple to operate, less investment, and particle size is bigger, and equipment cost is lower.But fixed bed must use specific raw material type, and most of fixed-bed gasification furnace in operation uses air as vaporized chemical, and primary product is a low-heat value gas, and the energy consumption height uses lump coal also higher as raw materials cost; The gas tar content height that produces of fixed-bed gasification furnace particularly, materials such as tar, grease, benzene, ammonia, need through separation, purifying treatment, sewage pollution is serious, and is backward in technique.The small fertilizer plant still adopts these technology to produce syngas for synthetic ammonia at present in China's majority.But along with Energy policy with to the raising of environmental requirement, these technology are progressively replaced by new coal gasification.
The characteristic of fluidization is that raw material solid is in inner suspension motion of gasification bed and gasification, it has higher gas one rate of heat transfer and the rate of mass transfer between solid, thereby the mixing of solid in bed approaches the state in the ideal mixing reactor, and process controls easily, helps scale operation.The coal-tar middle oil content of coal gas that fluidized-bed produces is lower, and gaseous constituent, calorific value are also more stable.But its coal that is suitable for generally is not have the non-coking coal of close-burning or little close-burning middle and high volatile matter such as long-flame coal, non-caking coal, brown coal etc.Carbon content height in the ash of tradition fluidized bed gasification method causes efficiency of carbon conversion low.
Existing is the fixed-bed gasification furnace of raw material with biomass or coal, generally higher at the coal-tar middle oil content of product gas, has a strong impact on the use of coal gas.In addition, because the periodicity of biomass growth is also brought the periodicity of biomass material supply, this periodicity influences the continous-stable that gasifying biomass is produced.
Summary of the invention
At the problems referred to above, it is low to the purpose of this invention is to provide a kind of tar content, gas efficiency height, fixed bed-fluidized bed serially connected gasification method that cost is low and device.
For achieving the above object, the present invention takes following technical scheme: a kind of fixed bed-fluidized bed serially connected gasification method, it may further comprise the steps: 1) gas exit with a fixed-bed gasification furnace is connected with the coal gas inlet pipe of a fluidisation bed gasification furnace, and the gas exit with described fluidized-bed gasification furnace is connected with a cyclonic separator simultaneously; 2) with particle diameter be the fixed-bed gasification furnace of the gasified raw material of 13～50mm from the normal operation of fixed-bed gasification furnace top adding, simultaneously vaporized chemical is added fixed-bed gasification furnace, make gasified raw material and vaporized chemical in fixed-bed gasification furnace, carry out gasification reaction, produce coal gas and ash content, ash content is discharged by the fixed bed bottom, and coal gas sprays into the bottom of fluidized-bed gasification furnace emulsion zone through bed gas outlet and fluidized-bed coal gas inlet pipe; 3) with particle diameter be the fine particulate gasification of coal raw material of 0.5～8mm, add the emulsion zone in the fluidized-bed gasification furnace of normal operation from the fluidized-bed gasification furnace bottom, simultaneously vaporized chemical is added fluidized-bed gasification furnace from the fluidized-bed gasification furnace bottom, make the fine particle gasified raw material, blow generating gasification reaction down at the coal gas of vertical uplift, the mixed airflow of vaporized chemical, produce coal gas and ash content, ash content is discharged by the fluidized-bed bottom, and coal gas enters cyclonic separator through the outlet of fluidized-bed coal gas; 4) coal gas carries out gas solid separation in cyclonic separator, and coal gas is from the gas exit output of cyclonic separator, and coal gas entrained solid particle returns in the fluidized-bed gasification furnace, proceeds gasification reaction.
Described step 2) vaporized chemical adds fixed-bed gasification furnace in from the fixed-bed gasification furnace bottom, and the up and described gasified raw material of described vaporized chemical reacts, and the coal gas of generation enters fluidized-bed gasification furnace from the top of fixed-bed gasification furnace.
Described step 2) vaporized chemical adds fixed-bed gasification furnace from the fixed-bed gasification furnace middle part in, and the descending and described gasified raw material of described vaporized chemical reacts, and the coal gas of generation enters fluidized-bed gasification furnace from the bottom of fixed-bed gasification furnace.
The gasified raw material that uses in the described fixed-bed gasification furnace is one of mixture of biomass, coal, biomass and coal, the gasified raw material that uses in the described fluidized-bed gasification furnace is coal, and the vaporized chemical that uses in described fixed-bed gasification furnace and the fluidized-bed gasification furnace is respectively one or more the mixing in air, pure oxygen, oxygen enrichment and the water vapour.
A kind of fixed bed-fluidized bed serially connected gasification device of realizing aforesaid method, it is characterized in that: it comprises a fixed-bed gasification furnace, a fluidisation bed gasification furnace and a cyclonic separator, described fixed-bed gasification furnace gas exit connects described fluidized-bed coal gas inlet pipe, described fluidized-bed coal gas outlet connects described cyclonic separator gas inlet, the top of described whirlwind sorter is provided with the cyclonic separator gas exit, and described cyclonic separator bottom is communicated with described fluidized-bed gasification furnace by dipleg.
Described fixed-bed gasification furnace top is provided with a fixed bed material inlet, and top is provided with bed gas outlet, and the bottom is provided with a fire grate, and the bottom is provided with a fixed bed ash discharging hole, and described fire grate bottom is provided with a fixed bed gasification agent import.
Described fixed-bed gasification furnace top is provided with a fixed bed material inlet, the middle part is evenly equipped with 2～4 fixed bed gasification agent imports, the bottom is provided with bed gas outlet, and the bottom is provided with a fixed bed ash discharging hole, and described fixed bed ash discharging hole top is provided with a fire grate.
Described fluidized-bed gasification furnace top is provided with a manhole, top is provided with a fluidized-bed gas exit, the bottom emulsion zone is provided with a fluidized-bed material inlet, the bottom is provided with a fluidized-bed ash discharging hole, described fluidised bed material import below is provided with the fluidized-bed coal gas inlet pipe that an end connects described bed gas outlet, the other end connection one of described fluidized-bed coal gas inlet pipe is positioned at the coal gas endless tube at described fluidized-bed gasification furnace center, be evenly equipped with 2～4 gasburner on the described coal gas endless tube, be evenly equipped with 2～4 fluidized-bed gasification agent imports on the cone of described coal gas endless tube below.
The present invention is owing to take above technical scheme, and it has the following advantages: 1, the present invention imports in the influent stream bed gasification furnace water vapour that wherein contains and CO with the coal gas that produces in the fixed-bed gasification furnace
2Gas participates in the gasification reaction in the fluidized-bed gasification furnace, can substitute the portion water steam in the fluidized-bed gasification furnace, has utilized CO simultaneously
2In carbon, can partly reduce water vapour and coal consumption amount, improve the content of available gas in the coal gas.2,, fixed-bed gasification furnace produces among the present invention coal gas, enter fluidized-bed gasification furnace after, make in the coal gas about 90% tar generation cracking, generate H
2And CO, so not only reduce the tar content in the coal gas, and improved the active principle in the coal gas, also reduced CO simultaneously
2Quantity discharged, reduced cost of sewage disposal.3, the present invention is the coal gas that produces in the fixed-bed gasification furnace, in the time of in the input influent stream bed gasification furnace, and the H in the coal gas
2In fluidized-bed gasification furnace, can play the effect of hydrogasification, reach the effect that improves caloric power of gas and available gas content.4, the present invention can adopt coal, biomass material and domestic refuse etc. as gasified raw material, when particularly using coal, raw coal just can satisfy the requirement of the present invention to the gasified raw material granularity through simple screening, has reduced broken cost, energy consumption and investment, has very wide in range suitability.The present invention has that gas-made technology simplification, flow process weak point, facility compact, floor space are little, blowdown flow rate reduces, low cost and other advantages, to the economic benefit that improves the middle-size and small-size coal chemical industry enterprises of China and reduce cost of sewage disposal, has crucial meaning.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is an another kind of embodiment synoptic diagram of the present invention
Embodiment
Below in conjunction with drawings and Examples the present invention is described in detail.
Embodiment 1:
As shown in Figure 1, the present invention includes a fixed-bed gasification furnace 1, a fluidized-bed gasification furnace 2 and a cyclonic separator 3.
Fixed-bed gasification furnace 1 in the present embodiment is a gas upstriker vapourizing furnace, fixed-bed gasification furnace 1 top is provided with a fixed bed material inlet 11, fixed-bed gasification furnace 1 top is provided with bed gas outlet 12, fixed-bed gasification furnace 1 bottom is provided with the rotation fire grate 13 of a routine, and fixed-bed gasification furnace 1 bottom is provided with a fixed bed ash discharging hole 14.The below of fixed bed ash discharging hole 14 tops, rotation fire grate 13 is provided with a fixed bed gasification agent import 15, and rotation fire grate 13 can play the effect of uniform vaporized chemical.
Fluidized-bed gasification furnace 2 tops are provided with a manhole that is used to overhaul 21, fluidized-bed gasification furnace 2 tops are provided with a fluidized-bed gas exit 22, fluidized-bed gasification furnace 2 bottom emulsion zones are provided with a fluidized-bed material inlet 23, the fluidized-bed gasification furnace 2 of fluidised bed material import 23 belows is provided with a fluidized-bed coal gas inlet pipe 24, and fluidized-bed coal gas inlet pipe 24 is communicated with bed gas outlet 12.The end that fluidized-bed coal gas inlet pipe 24 is positioned at fluidized-bed gasification furnace 2 is communicated with a coal gas endless tube 25, is evenly equipped with 2～4 on the coal gas endless tube 25 and is tangential gasburner 26.Be evenly equipped with 2～4 fluidized-bed gasification agent imports 27 on the cone of the fluidized-bed gasification furnace 2 of coal gas endless tube 25 belows, be provided with a fluidized-bed ash discharging hole 28 in fluidized-bed gasification furnace 2 bottoms.The inner chamber top of fluidized-bed gasification furnace 2 has a transition-cone 29, makes the upper chamber enlarged diameter, to reduce gas velocity in the fluidized-bed, reduces the grain amount that outlet coal gas is carried secretly.
In the foregoing description, be respectively arranged with fire-resistant, lagging material between the outer wall of fixed-bed gasification furnace 1 and fluidized-bed gasification furnace 2 and the inner chamber.The gasified raw material that uses in the fixed-bed gasification furnace 1 can be the carbonaceous materials such as mixture of biomass, coal, biomass and coal, and biomass can be that blocky starting material such as timber, crop straw, withered tree branches and leaves or multiple starting material mix latter made particle; The gasified raw material that uses in the fluidized-bed gasification furnace 2 is coal; The vaporized chemical that fixed-bed gasification furnace 1 and fluidized-bed gasification furnace 2 uses is respectively one or more the mixing in air, pure oxygen, oxygen enrichment and the water vapour.
Embodiment 2:
As shown in Figure 2, fixed-bed gasification furnace 1 in the present embodiment is a gas downstriker vapourizing furnace, present embodiment is substantially the same manner as Example 1, its difference is: fixed bed gasification agent import 15 ' is arranged on the middle part of fixed-bed gasification furnace 1, rather than the bottom, the quantity of fixed bed gasification agent import 15 ' is uniform 2～4; Bed gas outlet 12 ' is arranged on the bottom of fixed-bed gasification furnace 1, is positioned on the rotation fire grate 13.
Embodiment 3:
As shown in Figure 1, be example with the apparatus structure of embodiment 1, fixed bed-fluidized bed serially connected gasification method of the present invention is described, it may further comprise the steps:
1) with particle diameter is the fixed-bed gasification furnace 1 of the gasifying biomass raw material of 13～50mm from the fixed bed material inlet 11 normal operation of adding downwards at fixed-bed gasification furnace 1 top, overheated steam and Air mixing gas are upwards sent into by the fixed bed gasification agent import 15 of fixed-bed gasification furnace 1 bottom, and through the rotation fire grate 13 uniform fixed-bed gasification furnaces 1 that enter, make block gasified raw material and vaporized chemical counter current contact in fixed-bed gasification furnace 1 carry out the pyrolytic gasification reaction, the coal gas and the ash content of tar is rich in generation, ash content is discharged by fixed bed ash discharging hole 14, coal gas is through bed gas outlet 12, gasification reaction is further carried out in a plurality of gasburner 26 tangential bottoms that spray into fluidized-bed gasification furnace 2 emulsion zones down on fluidized-bed coal gas inlet pipe 24 and the coal gas endless tube 25 in fluidized-bed gasification furnace 2.
2) with particle diameter be the fine particulate gasification of coal raw material of 0.5～8mm, emulsion zone in fluidised bed material import 23 adds the normal fluidized-bed gasification furnace 2 that moves, with overheated steam and Air mixing gas, evenly send in the fluidized-bed gasification furnace 2 by a plurality of fluidized-bed gasification agent imports 27 uniform on fluidized-bed gasification furnace 2 cones, make the fine particle gasified raw material in the fluidized-bed gasification furnace 2, coal gas in vertical uplift, water vapour and Air mixing air-flow blow down, be the gasification of suspended dispersed fluidized state, the generating gasification reaction produces coal gas and ash content, and by uniform hot environment in the fluidized-bed gasification furnace 2, to enter the tar that is rich in the coal gas from fixed-bed gasification furnace 1 and in fluidized-bed gasification furnace 2, be gasified, thereby in fluidized-bed gasification furnace 2, obtain not containing substantially the coal gas of tar;
3) by the coal gas that obtains in the fluidized-bed gasification furnace 2 from fluidized-bed coal gas outlet 22 after cyclonic separator gas inlet 32 enters cyclonic separator 3 and carries out gas solid separation, coal gas is by gas exit 31 outputs of cyclonic separator 3, coal gas entrained solid particle is returned in the fluidized-bed gasification furnace 2 by the dipleg 33 of cyclonic separator 3, proceed gasification reaction, thereby reach the purpose of Purge gas, raising carbon utilisation rate.The lime-ash that produces in the fluidized-bed gasification furnace 2 is discharged by fluidized-bed ash discharging hole 28.
Embodiment 4:
As shown in Figure 2, present embodiment is compared with embodiment 3, its difference is: fixed-bed gasification furnace 1 is gas downstriker vapourizing furnace, gasified raw material enters from the fixed bed material inlet 11 at fixed-bed gasification furnace 1 top, the fixed bed gasification agent import 15 ' that vaporized chemical is provided with from fixed-bed gasification furnace 1 middle part enters, the coal gas that fixed-bed gasification furnace 1 produces, the bed gas that is provided with from fixed-bed gasification furnace 1 bottom outlet 12 ' enters fluidized-bed gasification furnace 2; Present embodiment is identical with embodiment 3 with the operating process in the cyclonic separator 3 at fluidized-bed gasification furnace 2.
In the operating process of the various embodiments described above, the block vaporising fuel in fixed-bed gasification furnace 1 and the fluidized-bed gasification furnace 2 and concrete particle diameter, gasification temperature, vapor pressure and other operating parameters etc. of fine particulate vaporising fuel, can set with reference to the fixed-bed gasification furnace of conventional independent operating and the operating parameters of fluidized-bed gasification furnace, the exclusive feature of this non-the present invention does not repeat them here.
In the various embodiments described above; the setting of the concrete structure of apparatus of the present invention and mode of connection can change; such as; fixed-bed gasification furnace 1 in apparatus of the present invention and fluidized-bed gasification furnace 2 can adopt various structures in the prior art; because the principal feature of technical solution of the present invention is the coal gas that fixed bed produces directly to be sent into proceed gasification reaction in the fluidized-bed gasification furnace and produce coal gas, so said structure should not got rid of outside protection scope of the present invention with the variation that is connected.
Claims (8)
1, a kind of fixed bed-fluidized bed serially connected gasification method, it may further comprise the steps:
1) gas exit with a fixed-bed gasification furnace is connected with the coal gas inlet pipe of a fluidisation bed gasification furnace, and the gas exit with described fluidized-bed gasification furnace is connected with a cyclonic separator simultaneously;
2) with particle diameter be the fixed-bed gasification furnace of the gasified raw material of 13～50mm from the normal operation of fixed-bed gasification furnace top adding, simultaneously vaporized chemical is added fixed-bed gasification furnace, gasified raw material and vaporized chemical are gasified in fixed-bed gasification furnace carry out gasification reaction, produce coal gas and ash content, ash content is discharged by the fixed bed bottom, and coal gas sprays into the bottom of fluidized-bed gasification furnace emulsion zone through bed gas outlet and fluidized-bed coal gas inlet pipe;
3) with particle diameter be the fine particulate gasification of coal raw material of 0.5～8mm, add the emulsion zone in the fluidized-bed gasification furnace of normal operation from the fluidized-bed gasification furnace bottom, simultaneously vaporized chemical is added fluidized-bed gasification furnace from the fluidized-bed gasification furnace bottom, make the fine particle gasified raw material, blow gasification generating gasification reaction down at the coal gas of vertical uplift, the mixed airflow of vaporized chemical, produce coal gas and ash content, ash content is discharged by the fluidized-bed bottom, and coal gas enters cyclonic separator through the outlet of fluidized-bed coal gas;
4) coal gas carries out gas solid separation in cyclonic separator, and coal gas is from the gas exit output of cyclonic separator, and coal gas entrained solid particle returns in the fluidized-bed gasification furnace, proceeds gasification reaction.
2, a kind of fixed bed-fluidized bed serially connected gasification method as claimed in claim 1, it is characterized in that: vaporized chemical adds fixed-bed gasification furnace described step 2) from the fixed-bed gasification furnace bottom, up and the described gasified raw material of described vaporized chemical reacts, and the coal gas of generation enters fluidized-bed gasification furnace from the top of fixed-bed gasification furnace.
3, a kind of fixed bed-fluidized bed serially connected gasification method as claimed in claim 1, it is characterized in that: vaporized chemical adds fixed-bed gasification furnace from the fixed-bed gasification furnace middle part described step 2), descending and the described gasified raw material of described vaporized chemical reacts, and the coal gas of generation enters fluidized-bed gasification furnace from the bottom of fixed-bed gasification furnace.
4, as claim 1 or 2 or 3 described a kind of fixed bed-fluidized bed serially connected gasification methods, it is characterized in that: the gasified raw material that uses in the described fixed-bed gasification furnace is one of mixture of biomass, coal, biomass and coal, the gasified raw material that uses in the described fluidized-bed gasification furnace is coal, and the vaporized chemical that uses in described fixed bed gasification and the fluidized-bed gasification furnace stove is respectively one or more the mixing in air, pure oxygen, oxygen enrichment and the water vapour.
5, a kind of fixed bed-fluidized bed serially connected gasification device of realizing as method as described in the claim 1～4, it is characterized in that: it comprises a fixed-bed gasification furnace, a fluidisation bed gasification furnace and a cyclonic separator, described fixed-bed gasification furnace gas exit connects described fluidized-bed coal gas inlet pipe, described fluidized-bed coal gas outlet connects described cyclonic separator gas inlet, the top of described whirlwind sorter is provided with the cyclonic separator gas exit, and described cyclonic separator bottom is communicated with described fluidized-bed gasification furnace by dipleg.
6, a kind of fixed bed-fluidized bed serially connected gasification device as claimed in claim 5, it is characterized in that: described fixed-bed gasification furnace top is provided with a fixed bed material inlet, top is provided with bed gas outlet, the bottom is provided with a fire grate, the bottom is provided with a fixed bed ash discharging hole, and described fire grate bottom is provided with a fixed bed gasification agent import.
7, a kind of fixed bed-fluidized bed serially connected gasification device as claimed in claim 5, it is characterized in that: described fixed-bed gasification furnace top is provided with a fixed bed material inlet, the middle part is evenly equipped with 2～4 fixed bed gasification agent imports, the bottom is provided with bed gas outlet, the bottom is provided with a fixed bed ash discharging hole, and described fixed bed ash discharging hole top is provided with a fire grate.
8, as claim 5 or 6 or 7 described a kind of fixed bed-fluidized bed serially connected gasification devices, it is characterized in that: described fluidized-bed gasification furnace top is provided with a manhole, top is provided with a fluidized-bed gas exit, the bottom emulsion zone is provided with a fluidized-bed material inlet, the bottom is provided with a fluidized-bed ash discharging hole, described fluidised bed material import below is provided with the fluidized-bed coal gas inlet pipe that an end connects described bed gas outlet, the other end connection one of described fluidized-bed coal gas inlet pipe is positioned at the coal gas endless tube at described fluidized-bed gasification furnace center, be evenly equipped with 2～4 gasburner on the described coal gas endless tube, be evenly equipped with 2～4 fluidized-bed gasification agent imports on the cone of described coal gas endless tube below.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103666572A (en) * | 2013-11-25 | 2014-03-26 | 安徽科达洁能股份有限公司 | Gazogene |
| CN106635179A (en) * | 2017-01-23 | 2017-05-10 | 江苏华威机械制造有限公司 | Circulating fluidized bed and pyrolysis bed combined gasification process and device |
| CN107674712A (en) * | 2017-11-13 | 2018-02-09 | 煤炭科学技术研究院有限公司 | A kind of fixed bed slag gasification furnace |
| CN107892952A (en) * | 2017-11-13 | 2018-04-10 | 煤炭科学技术研究院有限公司 | A kind of two-part slag gasification furnace |
| CN109054901A (en) * | 2018-08-01 | 2018-12-21 | 万华化学集团股份有限公司 | A kind of down-flow fluidized bed using ECT-fluidized bed tandem gasification process and device |
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| CN103666572A (en) * | 2013-11-25 | 2014-03-26 | 安徽科达洁能股份有限公司 | Gazogene |
| CN106635179A (en) * | 2017-01-23 | 2017-05-10 | 江苏华威机械制造有限公司 | Circulating fluidized bed and pyrolysis bed combined gasification process and device |
| WO2018133303A1 (en) * | 2017-01-23 | 2018-07-26 | 中科聚信洁能热锻装备研发股份有限公司 | Method and apparatus for implementing gasification by combining circulating fluidized bed and pyrolysis bed |
| CN106635179B (en) * | 2017-01-23 | 2019-03-08 | 江苏华威机械制造有限公司 | A kind of technique and its device of recirculating fluidized bed and pyrolysis bed combined gasification |
| CN107674712A (en) * | 2017-11-13 | 2018-02-09 | 煤炭科学技术研究院有限公司 | A kind of fixed bed slag gasification furnace |
| CN107892952A (en) * | 2017-11-13 | 2018-04-10 | 煤炭科学技术研究院有限公司 | A kind of two-part slag gasification furnace |
| CN109054901A (en) * | 2018-08-01 | 2018-12-21 | 万华化学集团股份有限公司 | A kind of down-flow fluidized bed using ECT-fluidized bed tandem gasification process and device |
| CN109054901B (en) * | 2018-08-01 | 2020-09-08 | 万华化学集团股份有限公司 | Descending bed-fluidized bed series type gasification method and device |
| CN110577050A (en) * | 2019-09-24 | 2019-12-17 | 高申杰 | Wear-resistant conveying pipe and rotary distributor using same |
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