CN105378038A - Method for gasifying carbon-containing solids using gaseous oxygen-containing gasification agents in a fluidized bed process in a gasifier, in particular in a high-temperature winkler gasifier - Google Patents
Method for gasifying carbon-containing solids using gaseous oxygen-containing gasification agents in a fluidized bed process in a gasifier, in particular in a high-temperature winkler gasifier Download PDFInfo
- Publication number
- CN105378038A CN105378038A CN201480040748.2A CN201480040748A CN105378038A CN 105378038 A CN105378038 A CN 105378038A CN 201480040748 A CN201480040748 A CN 201480040748A CN 105378038 A CN105378038 A CN 105378038A
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- CN
- China
- Prior art keywords
- vapourizing furnace
- gasifier
- pressure reservoir
- fluid
- encapsulated
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 239000007787 solid Substances 0.000 title claims abstract description 22
- 238000002309 gasification Methods 0.000 title claims abstract description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title abstract description 8
- 229910052799 carbon Inorganic materials 0.000 title abstract description 8
- 239000003795 chemical substances by application Substances 0.000 title abstract description 7
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052760 oxygen Inorganic materials 0.000 title abstract 2
- 239000001301 oxygen Substances 0.000 title abstract 2
- 239000002245 particle Substances 0.000 claims abstract description 6
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims description 20
- 235000011941 Tilia x europaea Nutrition 0.000 claims description 20
- 239000004571 lime Substances 0.000 claims description 20
- 238000012546 transfer Methods 0.000 claims description 20
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005243 fluidization Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 19
- 240000006909 Tilia x europaea Species 0.000 description 16
- 238000005303 weighing Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000005245 sintering Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
- C10J3/503—Fuel charging devices for gasifiers with stationary fluidised bed
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Devices And Processes Conducted In The Presence Of Fluids And Solid Particles (AREA)
- Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
- Fluidized-Bed Combustion And Resonant Combustion (AREA)
Abstract
The invention relates to a method for gasifying carbon-containing solids using gaseous oxygen-containing gasification agents in a fluidized bed process in a gasifier (2), in particular in a high-temperature Winkler gasifier (HTW), wherein the carbon-containing solids are introduced into the reaction chamber (3) of the gasifier (2) and are gasified in a fludized bed of the gasifier (2). At least some of the solid particles entrained in the generated gas are deposited and returned into the reaction chamber (3). In order to provide a simple and inexpensive method, the invention proposes introducing the carbon-containing solids into the reaction chamber (3) of the gasifier (2) pneumatically by means of a dense flow conveying process (3a).
Description
Technical field
The present invention relates to a kind of for vapourizing furnace, particularly in high temperature Winkler vapourizing furnace (HTW) by the method for oxygenousization medium gasification of carbonaceous solid in fluidized-bed course of gas of gaseous state, in the method, carbonaceous solids is introduced the chamber of the reactor of vapourizing furnace and is gasified in the fluidized-bed of vapourizing furnace, wherein, being separated at least partially and being transmitted back in chamber of the reactor of the solia particle together carried in produced gas.The present invention also relates to the equipment for implementing the method in addition.
Background technology
The method of the above-mentioned type is known in the prior art.For this reason, the fuel of carbon containing after the chamber of the reactor entering vapourizing furnace 700 DEG C to 1300 DEG C between temperature and rising pressure under gasify in fluidized-bed, that is under the condition of gasifying medium using neither endothermic nor exothermic reaction.
Secondary gasification chamber and moving-bed are positioned at above and below fluidised fluidized-bed, and residue after gasifying takes off by this moving-bed.The gas produced is transported to separator by secondary gasification chamber.A key character of high temperature Winkler vapourizing furnace is, a part for the solia particle together carried in produced gas is separated in the separator and is transmitted back to by return line in the chamber of the reactor of vapourizing furnace but can leaves separator from the isolated synthetic gas of solid particulate.
Carbonaceous solids can be such as biomass, recyclable materials, plastics or coal etc.In order to charging be added in the chamber of the reactor of the high temperature Winkler vapourizing furnace run under superpressure, usually use the input unit of worm conveyor or pneumatic actuation.
When using worm conveyor, to be gone forward one by one container through conical coal charge weighing container and coal charge by the coal charge gate valve System guides charging that drives with pressure gate valve system type, go forward one by one between container at coal charge weighing container and coal charge and be provided with coal charge valve lock.Subsequently, charging is transported in high temperature Winkler vapourizing furnace by feeding spiral conveyer.The shortcoming of this fed technology is, the feeding spiral conveyer of motor drive only has limited carrying capacity, thus in order to make charging with can by and the mode of q.s be transported in vapourizing furnace and usually must use multiple feeding spiral conveyer.This causes, and electric motor has the feature of larger vulnerability to jamming and is difficult to relative to atmospheric sealing due to the conveying heat production that causes of charging, particularly when higher operating pressure.
When pneumatic transport, charging is carried by the gas flowed and is together transported, and wherein, causes air-flow by the pressure reduction between the front-end and back-end of transporting the transfer lime of charging and gas.But this method has such shortcoming, that is, need very large gas volume to make vapourizing furnace be equipped with charging, this causes larger spending and again in order to store the structural cost larger with guiding gas needs.
In up-to-date prior art also the known tipping tube (slopedpipe) worked under gravity as other e Foerderanlage, also can combine with pneumatic transport, but, as current experience display in a test device, these tipping tubes only can restrictively use due to the thermal distortion occurred in the duct, and this point particularly shows in the transport of specific coal charge type.In addition, the structural spending that such movement requirement is larger, because must by another collector and tipping tube pre-terminated, this collector be separated from the gas of transport for making solid.
Summary of the invention
Therefore, the object of the invention is to, the method design described in beginning is become can realize a kind of transport of quick, economic and clear and definite carbonaceous solids.
This object is achieved by the method for the described type of beginning thus according to the present invention, that is, carbonaceous solids is pneumatically introduced in vapourizing furnace by fluid-encapsulated conveying.
When fluid-encapsulated conveying, charging is pneumatically transported so that high solid masses is streamed.
The advantage of fluid-encapsulated conveying is known, such as less be subject to the transport thing of viscosity or humidity interference, the wearing and tearing of reduction that produce low-yield loss and transport thing due to less compressor power.But also show in addition in development within the scope of the present invention, charging has such advantage by means of the pneumatic fluid-encapsulated conveying transferred in high temperature Winkler vapourizing furnace, namely, can introduce than greater amount in worm conveyor and than the rare gas element of obvious less amount in pneumatic transport in the fluidised fluidized-bed of vapourizing furnace, and this gas volume can not affect the characteristic fluidised fluidized-bed of tool.In addition, this gas can be used as fluidizing agent simultaneously.Also can reduce structural spending according to method of the present invention, feed container because can save, when coal charge worm conveyor and pneumatic transport, this feeds container pre-terminated vapourizing furnace.
In order to cause less Material compression, a favourable design of the present invention is set to, and carbonaceous solids is in the exit fluidisation of pressure reservoir.
In order to implement the method, the present invention arranges a kind of equipment with at least one following assembly:
The pressure reservoir of-pneumatic fluid-encapsulated device,
-high temperature Winkler vapourizing furnace,
-transfer lime.
Should be according to the basic conception in the design of equipment of the present invention, by transfer lime, the pressure reservoir of pneumatic fluid-encapsulated e Foerderanlage is connected with HTW vapourizing furnace, this transfer lime can be the assembly of pneumatic fluid-encapsulated e Foerderanlage equally.Achieve carbonaceous solids thus in an advantageous manner pneumatically and directly to be introduced in vapourizing furnace by fluid-encapsulated conveying, and other devices need not be inserted between pressure reservoir and HTW vapourizing furnace, such as feed container.
In order to improve operational throughput further, the modification of practicality of the present invention is set to, and at least two transfer limes are connected into vapourizing furnace.In order to also carry when utilizing gravity, desirably, transfer lime directly dips down at a certain angle in vapourizing furnace front and tiltedly introduces fluidized-bed.At this, preferred transfer lime should be connected in tipping tube.90 ° can be less than at this relative to horizontal obliquity.
Accompanying drawing explanation
The present invention is further illustrated below by accompanying drawing.Show in a schematic:
Fig. 1 shows routine, the multistage method into reactor feed, and this reactor is used for the gasification according to high temperature Winkler evaporating method,
Fig. 2 shows according to method of the present invention,
Fig. 3 show for implement according to the inventive method according to equipment of the present invention.
Embodiment
A kind of that Fig. 1 shows routine, multistage method, the method is used for being with chamber of the reactor 3 feed of the vapourizing furnace of high temperature Winkler vapourizing furnace 2 form.The method starts thus, that is, charging 2a is delivered to pressure gate valve system 6, and this pressure gate valve system is made up of conical coal charge weighing container 7, conical coal charge gate valve 8 and the conical coal charge container 9 that goes forward one by one.Enter coal charge feeding spiral conveyer 11 by the coal charge container 9 that goes forward one by one through worm conveyor 11a by means of the quantitative charging 2a of quantitative rotory feeder 10, thus charging 2a is delivered in the reactor inner chamber 3 of high temperature Winkler vapourizing furnace 2 in quantitative and controlled mode.Also tipping tube 16 can be used alternatively to replace worm conveyor 11,11a.Under the high temperature conditions with under the pressure raised, charging 2a (i.e. the fuel of carbon containing, such as biomass, coal etc.) gasifies in unshowned fluidised fluidized-bed in FIG in chamber of the reactor 3.The gas produced at this is delivered to separator 4, and wherein, a part for the solia particle together carried in produced gas is separated and is transmitted back in the chamber of the reactor 3 of vapourizing furnace 2 by return line 5 in this separator 4.On the contrary, the synthetic gas be separated with solia particle can leave this separator 4.Below fluidised fluidized-bed, residue after gasifying is removed by conduit 14,15 by fixed bed.
As shown in Figure 1, for vapourizing furnace 2 carries charging 2a to be repeatedly.This feed is repeatedly used for for high temperature Winkler vapourizing furnace 2 provides sufficient charging 2a as quickly as possible, but must use worm conveyor 11,11a or the tipping tube 16 of motor drive in multiple times for this reason.
In order to replace the relatively effort shown in Fig. 1 and the carrying method be easily disturbed, as shown in Figure 2, charging 2a (i.e. the solid of carbon containing) is pneumatically delivered in the chamber of the reactor 3 of high temperature Winkler vapourizing furnace 2 by fluid-encapsulated e Foerderanlage 3a in the mode that the present invention is important.For this reason, charging 2a is transported by transfer lime 12, and this transfer lime is connected with unshowned pressure reservoir in fig. 2, and this pressure reservoir is present in pneumatic fluid-encapsulated e Foerderanlage.This transfer lime 12 directly can be connected in tipping tube 13 in vapourizing furnace 2 front, and this tipping tube is connected into again in the chamber of the reactor 3 of high temperature Winkler vapourizing furnace 2.
Fig. 3 shows the equipment for implementing method shown in figure 2.This equipment is made up of pressure reservoir 17 (pressure reservoir known in such as common pneumatic fluid-encapsulated e Foerderanlage), transfer lime 12 and high temperature Winkler vapourizing furnace 2 substantially.
Input aperture 18 is located in the upper area of pressure reservoir 17, by this input aperture, charging 2a is added pressure reservoir 17.At this, charging 2a along gravity line add by unshowned in Fig. 3, be arranged on gate valve container above pressure reservoir 17 or by equally in figure 3 unshowned, to carry with the pneumostop fluid of fluid-encapsulated driving and carry out.Except the pipeline of routine that keeps for vapourizing furnace pressure reduction and valve, pressure reservoir 17 also has fluidizing agent through hole 19 in other thereunder region, 20,21,22 or suction nozzle, fluidisation air-flow for having fluidisation cone or the nozzle arrangements of porous material (as sintering metal), thus is delivered in pressure reservoir 17 by these fluidizing agent through holes.This fluidizing agent for making the transportation logistics state of conveying in transfer lime 12, that is, arranges the conveying of the solid of the carbon containing being used for gasification in the chamber of the reactor 3 of high temperature Winkler vapourizing furnace 2.Transfer lime 12 between pressure reservoir 17 and high temperature Winkler vapourizing furnace 2 is connected into tipping tube 13.
Enforcement of the present invention is not only confined to embodiment described above.Specifically can consider many modification, the distortion of the solution illustrated also can use in the embodiment of other types.Such as also can have multiple transfer lime 12 according to equipment of the present invention, these transfer limes to be arranged between pressure reservoir 17 and high temperature Winkler vapourizing furnace 2 and to be connected into vapourizing furnace 2.
Reference numerals list
1 equipment
2 high temperature Winkler vapourizing furnaces
2a charging
3 chamber of the reactor
The fluid-encapsulated e Foerderanlage of 3a
4 separators
5 return lines
6 pressure gate valve systems
7 coal charge weighing containers
8 coal charge gate valves
9 coal charges go forward one by one container
10 quantitative rotory feeders
11 worm conveyors
11a coal charge feeding spiral conveyer
12 transfer limes
13,16 tipping tubes
14,15 conduits
17 pressure reservoirs
18 input apertures
19,20,21,22 fluidizing agent through holes
Claims (6)
1. a method, described method is used in vapourizing furnace (2), in high temperature Winkler vapourizing furnace (HTW), particularly pass through oxygenousization medium gasification of carbonaceous solid in fluidized-bed course of gas of gaseous state, described carbonaceous solids is introduced the chamber of the reactor (3) of described vapourizing furnace (2) and is gasified in the fluidized-bed of described vapourizing furnace (2) in the process, wherein, being separated at least partially and being transmitted back in the described chamber of the reactor (3) of described vapourizing furnace (2) of the solia particle together carried in produced gas, it is characterized in that,
Described carbonaceous solids is pneumatically introduced in the described chamber of the reactor (3) of described vapourizing furnace (2) by fluid-encapsulated e Foerderanlage (3a).
2. method according to claim 1, is characterized in that, described carbonaceous solids is fluidisation before entering transfer lime (12).
3. equipment according to claim 1 and 2, is characterized in that, pressure reservoir (17) fills charging (2a) again along gravity line or by the fluid-encapsulated conveying of pneumatic actuation.
4., for implementing the equipment according to the method described in claim 1,2 or 3, have:
The pressure reservoir (17) of the fluid-encapsulated e Foerderanlage of-at least one pneumatic actuation,
-vapourizing furnace (2), particularly high temperature Winkler vapourizing furnace,
-transfer lime (12),
Wherein, described pressure reservoir (17) and described vapourizing furnace (2) connect and described transfer lime (12) is arranged between pressure reservoir (17) and vapourizing furnace (2).
5. equipment according to claim 4, is characterized in that, tipping tube (13) is a part for described transfer lime (12) and is connected in described vapourizing furnace (2), wherein, is less than 90 ° relative to horizontal obliquity.
6. according to the equipment in claim 3 to 5 described in any one, it is characterized in that, described pressure reservoir (17) forms the filling be again used for along gravity line or the fluid-encapsulated conveying by pneumatic actuation.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013107592.4A DE102013107592B4 (en) | 2013-07-17 | 2013-07-17 | Process for the gasification of solids containing carbon with gaseous, oxygen-containing gasification agents in a fluidized bed gas process in a high-temperature Winkler gasifier |
| DE102013107592.4 | 2013-07-17 | ||
| PCT/EP2014/001789 WO2015007365A1 (en) | 2013-07-17 | 2014-06-30 | Method for gasifying carbon-containing solids using gaseous oxygen-containing gasification agents in a fluidized bed process in a gasifier, in particular in a high-temperature winkler gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105378038A true CN105378038A (en) | 2016-03-02 |
Family
ID=51162687
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201480040748.2A Pending CN105378038A (en) | 2013-07-17 | 2014-06-30 | Method for gasifying carbon-containing solids using gaseous oxygen-containing gasification agents in a fluidized bed process in a gasifier, in particular in a high-temperature winkler gasifier |
Country Status (4)
| Country | Link |
|---|---|
| CN (1) | CN105378038A (en) |
| BR (1) | BR112016001004B1 (en) |
| DE (1) | DE102013107592B4 (en) |
| WO (1) | WO2015007365A1 (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2634670A1 (en) * | 1976-08-02 | 1978-02-09 | Davy Bamag Gmbh | Simultaneous gasification of liquid and solid feeds - in a fluidised bed gasifier |
| CN2180643Y (en) * | 1994-01-27 | 1994-10-26 | 中国科学院山西煤炭化学研究所 | Gasification device for ash smelting fluidized bed |
| CN1103658A (en) * | 1993-07-12 | 1995-06-14 | 凯洛格总公司 | Coal gasification and sulfur removal process |
| CN2740609Y (en) * | 2004-09-10 | 2005-11-16 | 陕西秦能天脊科技有限公司 | Powdery coal gasifier of pressurized selecting ash-ejecting fluidized bed |
| CN101240196A (en) * | 2007-02-07 | 2008-08-13 | 中国科学院工程热物理研究所 | Powdered coal pressurized dense phase transport bed gasification method and device |
| CN102549116A (en) * | 2009-08-12 | 2012-07-04 | 蒂森克虏伯伍德有限公司 | Method for supplying an entrained flow gasification reactor with carbon-containing fuels |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4200494A (en) * | 1974-12-27 | 1980-04-29 | Union Carbide Corporation | Method of preventing defluidization of carbonaceous particles |
| DE3136645A1 (en) * | 1981-09-16 | 1983-03-24 | Bergwerksverband Gmbh, 4300 Essen | METHOD FOR DOSING, IN PARTICULAR BAKING, FUELS IN A FLUIDIZED LAYER REACTOR, AND METHOD FOR OPERATING SUCH A DEVICE |
| DE3240384A1 (en) * | 1982-11-02 | 1984-05-03 | Rheinische Braunkohlenwerke AG, 5000 Köln | METHOD AND DEVICE FOR GASIFYING RESIDUES FROM THE HYDRATING LIQUIDATION OF COAL IN A FLUID BED OR FLOW CURRENT CARBURETTOR |
| DE4340459C1 (en) | 1993-11-27 | 1995-05-18 | Rheinische Braunkohlenw Ag | Process for operating fluidised bed reactor |
| DE4413923C2 (en) * | 1994-04-21 | 2001-11-29 | Rheinische Braunkohlenw Ag | Method for generating synthesis and / or fuel gas in a high-temperature Winkler gasifier |
| DE102005047583C5 (en) * | 2005-10-04 | 2016-07-07 | Siemens Aktiengesellschaft | Method and device for the controlled supply of fuel dust into an entrained flow gasifier |
| DE202005021659U1 (en) * | 2005-10-07 | 2010-01-14 | Siemens Aktiengesellschaft | Device for high-flow entrainment gasifier |
-
2013
- 2013-07-17 DE DE102013107592.4A patent/DE102013107592B4/en active Active
-
2014
- 2014-06-30 CN CN201480040748.2A patent/CN105378038A/en active Pending
- 2014-06-30 BR BR112016001004-3A patent/BR112016001004B1/en active IP Right Grant
- 2014-06-30 WO PCT/EP2014/001789 patent/WO2015007365A1/en active Application Filing
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2634670A1 (en) * | 1976-08-02 | 1978-02-09 | Davy Bamag Gmbh | Simultaneous gasification of liquid and solid feeds - in a fluidised bed gasifier |
| CN1103658A (en) * | 1993-07-12 | 1995-06-14 | 凯洛格总公司 | Coal gasification and sulfur removal process |
| CN2180643Y (en) * | 1994-01-27 | 1994-10-26 | 中国科学院山西煤炭化学研究所 | Gasification device for ash smelting fluidized bed |
| CN2740609Y (en) * | 2004-09-10 | 2005-11-16 | 陕西秦能天脊科技有限公司 | Powdery coal gasifier of pressurized selecting ash-ejecting fluidized bed |
| CN101240196A (en) * | 2007-02-07 | 2008-08-13 | 中国科学院工程热物理研究所 | Powdered coal pressurized dense phase transport bed gasification method and device |
| CN102549116A (en) * | 2009-08-12 | 2012-07-04 | 蒂森克虏伯伍德有限公司 | Method for supplying an entrained flow gasification reactor with carbon-containing fuels |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102013107592A1 (en) | 2015-01-22 |
| DE102013107592B4 (en) | 2023-03-23 |
| WO2015007365A1 (en) | 2015-01-22 |
| BR112016001004B1 (en) | 2021-06-15 |
| BR112016001004A8 (en) | 2019-10-01 |
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