CN106433794A - Combustion and quenching separated type water-coal-slurry gasifier - Google Patents
Combustion and quenching separated type water-coal-slurry gasifier Download PDFInfo
- Publication number
- CN106433794A CN106433794A CN201610895659.7A CN201610895659A CN106433794A CN 106433794 A CN106433794 A CN 106433794A CN 201610895659 A CN201610895659 A CN 201610895659A CN 106433794 A CN106433794 A CN 106433794A
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- Prior art keywords
- water
- burner
- quench
- gas
- shock chamber
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Classifications
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/46—Gasification of granular or pulverulent flues in suspension
- C10J3/48—Apparatus; Plants
- C10J3/50—Fuel charging devices
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10J—PRODUCTION OF PRODUCER GAS, WATER-GAS, SYNTHESIS GAS FROM SOLID CARBONACEOUS MATERIAL, OR MIXTURES CONTAINING THESE GASES; CARBURETTING AIR OR OTHER GASES
- C10J3/00—Production of combustible gases containing carbon monoxide from solid carbonaceous fuels
- C10J3/72—Other features
-
- 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
- C10J2200/00—Details of gasification apparatus
- C10J2200/15—Details of feeding means
- C10J2200/152—Nozzles or lances for introducing gas, liquids or suspensions
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
Abstract
The invention relates to the technical field of chemical equipment, in particular to a combustion and quenching separated type water-coal-slurry gasifier. The combustion and quenching separated type water-coal-slurry gasifier comprises a gasifier hearth, a nozzle and a quenching chamber. The gasifier hearth comprises a shell, a hearth inlet, a hearth outlet and a combustion chamber. The hearth inlet is connected with the nozzle, and the hearth outlet is connected with a quenching chamber inlet big flange; the nozzle comprises a central tube, a coal-slurry channel, a fire retardant outer ring, a water jacket, a water jacket inlet, a water jacket outlet, a nozzle big flange and a fuel gas pipe. The nozzle big flange is connected with the hearth inlet; the nozzle adopts a three-channel design, the nozzle three channels include the center tube, the coal-slurry channel and the fire retardant outer ring from inside to outside. According to the combustion and quenching separated type water-coal-slurry gasifier, high-temperature water gas can be quenched to lower the temperature, the slag generated from gasification is effectively separated from the water gas, the washing separation and heat transfer effects are good, the gasifier is compact and reliable, cost is low, and the high-temperature water gas can be transformed into relatively clean water coal gas.
Description
Technical field
The present invention relates to technical field of chemical, the split type coal slurry gasifier of more particularly, to a kind of burning, Quench.
Background technology
The integrated setting of the coal slurry gasifier gasification combustion chamber of traditional chilling process and shock chamber, shock chamber and gasification
Combustor height ratio is typically larger than 1：1, therefore gasification installation main body Factory Building is higher, generally higher than 35 meters, equipment and structural construction cost
With higher, cause coal water slurry gasification investment larger, bring larger financial pressure, the economy of impact project to investor.This
The chilling ring material of outer tradition shock chamber setting has high demands, difficulty of processing is big and needs to regularly replace, and the quantities of replacing is larger,
Consume the man power and material increasing.
Content of the invention
It is an object of the invention to above-mentioned technical problem present in solution prior art, a kind of burning, Quench is provided to divide
Gasification combustion chamber and shock chamber can be realized split, significantly shorten the height of shock chamber simultaneously, adopt by the coal slurry gasifier of body formula
Taken out of together with chilled water with the cracked gas after Quench and separate to rear system, meet coal-water slurry gasification cracking air cooling and
The requirement that lime-ash is smoothly excluded, gasification furnace agent set is highly greatly reduced, and construction investment has larger reduction, and checking maintenance
Convenient, there is high engineer applied and project economic operation value.
In order to solve above-mentioned technical problem, the present invention adopts the following technical scheme that：
The split type coal slurry gasifier of a kind of burning, Quench, it includes gasification furnace burner hearth, burner, shock chamber；
Described gasification furnace burner hearth includes housing, burner hearth import, furnace outlet and combustor, described burner hearth import and burner phase
Even, described furnace outlet is connected with shock chamber's import large flange；
Described burner includes central canal, coal slurry channel, fire retardant outer shroud, water leg, water leg water inlet, water leg water outlet
Mouth, burner large flange, Gas Pipe, described burner large flange is connected with burner hearth import；
Burner adopts three runner designs, and nozzle three runner is followed successively by central canal, coal slurry channel, fire retardant outer shroud from inside to outside.
Described shock chamber includes Quench reative cell, gas phase pipe, Quench water tank, chilled water ring cavity, chilled water baffle plate, Quench
Water inlet, water gas outlet, shock chamber's import large flange, shock chamber's outlet large flange, water-cooled protective bulkhead, described shock chamber goes out
Mouth large flange is connected with the lock hopper slagged tap, and water gas outlet is connected with the gas-liquid separator of rear system.
Further, central canal, in burner penetralia, is connected using flange with coal slurry channel；
Coal slurry channel is connected using flange in the middle part of burner, endless tube outer with fire retardant；
, in the outside of burner, with burner large flange using welding up and down, water leg is in burner large flange bottom for fire retardant outer shroud
Outside, is connected using welding manner with burner large flange, and water leg inlet tube and water leg outlet are in burner large flange simultaneously
Top perforate is simultaneously connected using welding manner, and water leg inlet tube is deep into water leg bottom it is ensured that burner cooling water effectively flows
Dynamic, protect burner.
Further,
Quench water tank is located at shock chamber top, using welding manner, chilled water baffle plate is connected with Quench chamber enclosure, gas phase pipe, shape
Become Quench water tank, chilled water ring cavity is the ring-shaped cavity that import large flange in shock chamber's is formed with gas phase pipe, Quench water inlet
Positioned at chilled water baffle plate top, chilled water enters Quench water tank from Quench water inlet, then is gone out along gas phase pipe by chilled water ring cavity
Inwall overflow is located at chilled water baffle plate bottom to Quench reative cell, water gas outlet, and gasification furnace is carried out cracked gas and entered by shock chamber
Mouthful large flange enters shock chamber and chilled water ring cavity chilled water out and meets cooling, is cooled into further in Quench reative cell
Water gas, and separation slag discharging drains into lock hopper from shock chamber's outlet large flange, water gas is delivered to from water gas outlet with chilled water
Subsequent handling separates, washing.Water-cooled protective bulkhead is connected with gasifier water-cooling wall coil pipe, deeply to the Quench water ring on shock chamber top
Outside chamber, in order to protect chilled water ring cavity.
Further, combustor and shock chamber are split-type structural, and both detachably separate.
Further, forced using demineralized water in setting annular disk pipe fin panel casing, water-cooling wall inside described furnace shell
Circulating cooling protects furnace shell, is equipped with drum by-product low-pressure steam simultaneously.
Further, chilled water ring cavity and outlet are as rear, described chilled water ring cavity and the water outlet of water-cooled protective bulkhead
The upper edge of the neighbouring described shock chamber of mouth.
Further, gasification furnace furnace shell is made using steel, and design is pressure to be 1.3 4.0MPa.
Quench cell structure is simple, design is compact, cheap, and simultaneously short and small shock chamber's design makes whole gasification furnace height
Decline to a great extent, engineering investment cost is significantly reduced, project construction cycle time, Project Economy Benefit is objective.
Gasification produce cracked gas through Quench cooling after together with chilled water by shock chamber's water gas export together with enter
System carries out gas-liquid separation, not water outlet in the middle part of shock chamber afterwards.
Shock chamber is not provided with pulp water circulating pump, and the action of gravity using slag is advanced into lock hopper certainly.
Described burner adopts three flow passage structures, including central canal, coal slurry endless tube, combustion adjuvant endless tube and burner large flange,
Central canal realizes combustion gas and combustion adjuvant shared design, carries out and rises gentle start-of-run integration, and centre is changed without burner, and cooling is adopted
With innovating the water leg design of formula, and outer wall thickeies, and its object is to can be with sherardizing steel；High temperature resistant radiation is strong, cooling effect
Really good.
The present invention, due to employing technique scheme, has the advantages that：
1) gasification combustion chamber is designed by the present invention with shock chamber's split, and it is effective to realize both
Combination.Combustion adjuvant is sufficiently mixed atomization by central canal, combustion adjuvant endless tube and the water-coal-slurry entering coal slurry channel, and sprays into
Gasification furnace burner hearth；Gasification combustion chamber adopts water-cooling wall to design, and lime-ash is condensed rapidly by the low temperature using water-cooling wall, on water-cooling wall
Form thicker dross, prevent slag washing away and corrode to water-cooling wall；Produce cracked gas after burning and go out the entrance of gasification furnace burner hearth
Shock chamber, with chilled water directly contact and instantaneous cooling cooling, lime-ash after Quench enters lock hopper and is emitted into automatic submerged slag conveyer, swashs
After water gas after cold cooling is entered together with chilled water, system carries out gas-liquid separation；Quench water cavity adopts circular-gap direct current method,
The water yield is big, and central canal moisture film effect is good, and it is convenient to change, and due to shock chamber's small volume, shock chamber's not draining, gas-liquid contact time
Long, cooling and sediment effect are more preferably it is not necessary to using traditional lock hopper circulating pump, reducing energy consumption, can be changed into relative clean
Water gas, there is high actual application value.
2) the short and small practicality in shock chamber of present invention design, its ratio highly with gasification furnace vaporizer
Example is 1：2, the ratio of diameter and gasification furnace furnace shell is 1：2, so gasification body height is greatly reduced, equipment and structural construction cost
Reduced with effective；And the Design of length of shock chamber's central canal is rationally, the active force of air-flow accelerates the sedimentation of lime-ash, beneficial to collection slag
Deslagging, thus lock hopper circulating pump can be cancelled, shorten flow process, reduce investment and operating cost.
3) present invention adopts three flow passage structures in burner design, and central canal using combustion gas and helps
The design that combustion agent shares, initial intensification central canal walks combustion gas, and combustion adjuvant endless tube is walked combustion-supporting gas and carried out heating up in stove, and heat up knot
Restraint the rear center's pipe combustion gas that feeds intake and switch to combustion adjuvant, realize intensification and be split into integration, centre is not required to change burner.Set outside burner
Put water leg, water leg is provided with water leg water inlet and water leg outlet, the outer wall of water leg thickeies, can with resistance to erosion,
Corrosion, and cooling water enters from water leg water inlet, and discharge from water leg outlet, the heat that energy absorption nozzle produces,
There are good cooling results, high temperature resistant radiation is strong.
Brief description
The structural representation of the coal slurry gasifier that Fig. 1 is a kind of burning of the present invention, Quench is split type；
Fig. 2 is the structural representation of nozzle in the present invention；
Fig. 3 is the structural representation of shock chamber in the present invention.
Specific embodiment：
Below with reference to the accompanying drawings describe the present invention：
As shown in Fig. 1, a kind of gasification of being implemented according to the present invention, the split type gasification furnace of Quench, it include gasification furnace burner hearth 10,
Burner 11, shock chamber 12；
Described gasification furnace burner hearth 10 includes housing 13, burner hearth import 14, furnace outlet 15 and combustor 16, and described burner hearth enters
Mouth 14 is connected with burner 11, and described furnace outlet 15 is connected with shock chamber's import large flange 38；
Combustion adjuvant enters the abundant combustion gasification of gasification furnace burner hearth 10 with coal slurry by nozzle 11 mixed aerosol and produces water gas, water coal
Gas goes out gasification furnace burner hearth 10 and enters shock chamber 12, and chilled water direct combination cooling water gas, simultaneously settlement separate go out lime-ash enter
Enter lock hopper, the water gas after cooling is entered washing piece-rate system together with chilled water and carries out gas-liquid separation and dedusting.Shock chamber 12
Using the plug-in dismountable type shock chamber of original creation, due to the flange connection of shock chamber, shock chamber's inside center pipe, shock chamber's ring
Its maintenance of quick detachable maintenance of the consumable accessorys such as set is safer.
2nd, as shown in Fig. 2, burner adopts three runner designs, according to vaporizer height appropriate design in gasification furnace burner hearth 10
Flame spray angle.Described burner 11 includes central canal 21, coal slurry channel 22, fire retardant outer shroud 23, water leg 24, water leg
Water inlet 25, water leg outlet 26, burner large flange 27, Gas Pipe 28, described burner large flange 27 and burner hearth import phase
Even；
Burner adopts three runner designs, and nozzle three runner is followed successively by central canal 21, coal slurry channel 22, fire retardant outer shroud from inside to outside
23.
Oxygen passes through central canal 21, and fire retardant outer shroud 23 is sufficiently mixed atomization with the water-coal-slurry entering coal slurry channel 22 and sprays into
Gasification furnace burner hearth 10.Nozzle cooling is designed using water leg 24, and outer wall thickeies, and its object is to can be with sherardizing steel；Resistance to
Hyperthermia radiation is strong, good cooling results.Use when Gas Pipe 28 is heated up in stove, the intensification end rear center's pipe combustion gas that feeds intake is cut
Change combustion adjuvant into, realize intensification and be split into integration, centre is not required to change burner.
3 as shown in figure 3, described shock chamber includes Quench reative cell 31, gas phase pipe 32, Quench water tank 33, Quench water ring
Chamber 34, chilled water baffle plate 35, Quench water inlet 36, water gas outlet 37, shock chamber's import large flange 38, shock chamber's outlet rule for the treatment of
Blue 39, water-cooled protective bulkhead 40, described shock chamber's outlet large flange 39 is connected with the lock hopper slagged tap, and water gas exports and rear system
Gas-liquid separator be connected.
Quench water tank 33 is located at shock chamber top, using welding manner by chilled water baffle plate 35 and Quench chamber enclosure, gas phase
Pipe 32 is connected, and forms Quench water tank 33, and chilled water ring cavity 34 is that shock chamber's import large flange 38 is formed with gas phase pipe 32
Ring-shaped cavity, Quench water inlet 36 is located at chilled water baffle plate 35 top；Chilled water enters Quench water tank 33 from Quench water inlet 36,
Go out along gas phase pipe 32 inwall overflow to Quench reative cell 31 by chilled water ring cavity 34 again, water gas outlet 37 is located at chilled water gear
Plate 35 bottom, gasification furnace carrys out cracked gas and enters shock chamber and chilled water ring cavity 34 swashing out by shock chamber's import large flange 38
Cold water meets cooling, is cooled into water gas further in Quench reative cell 31, and separates slag discharging and export rule for the treatment of from shock chamber
Blue 39 drain into lock hopper, and water gas is delivered to subsequent handling with chilled water from water gas outlet 37 and separated, washs.Water-cooled protective bulkhead 40 with
Gasifier water-cooling wall coil pipe is connected, deeply to the chilled water ring cavity 34 on shock chamber top, in order to protect chilled water ring cavity 34.
Chilled water enters Quench water tank 33 by Quench water inlet 36, and overflow enters chilled water ring cavity 34 annular space, due to Quench
Water ring chamber 34 annular space is little, and the water yield is big, and chilled water defines uniform moisture film on gas phase pipe 32, is effectively protected gas phase pipe 32
Contact overtemperature deformation with high-temperature water gas and burn, chilled water enters Quench reative cell 31 along gas phase pipe 32.Water gas leads to
Close the lime-ash entrance dreg removing system that gas phase pipe 32 enters Quench reative cell 31 and chilled water is fully contacted washing heat exchange, washs
Lock hopper, through supercooling washing water gas together with chilled water pass through water gas export 37 be sent to after system.Shock chamber is not
Draining, gas-liquid contact time is long, and washing and heat transfer effect are more preferable.This shock chamber's small volume is it is not necessary to adopt traditional lock hopper water
Circulating pump, reduces energy consumption.Chilled water ring cavity 34 is located at the upper back of water-cooled protective bulkhead 40, intercepts the radiation of pyrolytic cracking gas,
Service life, up to more than 7000 hours, than one times of traditional chilling ring life, has higher stability.
These are only the specific embodiment of the present invention, but the technical characteristic of the present invention is not limited thereto.Any with this
Based on bright, for solving essentially identical technical problem, realize essentially identical technique effect, done simple change, etc.
With replacement or modification etc., all it is covered by among protection scope of the present invention.
Claims (7)
1. the split type coal slurry gasifier of a kind of burning, Quench it is characterised in that：It includes gasification furnace burner hearth（10）, burner
（11）, shock chamber（12）；
Described gasification furnace burner hearth（10）Including housing（13）, burner hearth import（14）, furnace outlet（15）And combustor（16）, institute
The burner hearth import stated（14）With burner（11）Connected, described furnace outlet（15）With shock chamber's import large flange（38）It is connected；
Described burner（11）Including central canal（21）, coal slurry channel（22）, fire retardant outer shroud（23）, water leg（24）, water folder
Set water inlet（25）, water leg outlet（26）, burner large flange（27）, Gas Pipe（28）, described burner large flange（27）
It is connected with burner hearth import；
Burner adopts three runner designs, and nozzle three runner is followed successively by central canal from inside to outside（21）, coal slurry channel（22）, fire retardant
Outer shroud（23）；
Described shock chamber includes Quench reative cell（31）, gas phase pipe（32）, Quench water tank（33）, chilled water ring cavity（34）, swash
Cold water baffle plate（35）, Quench water inlet（36）, water gas outlet（37）, shock chamber's import large flange（38）, shock chamber's outlet big
Flange（39）, water-cooled protective bulkhead（40）, described shock chamber exports large flange（39）It is connected with the lock hopper slagged tap, water gas exports
It is connected with the gas-liquid separator of rear system.
2. the split type coal slurry gasifier of burning according to claim 1, Quench it is characterised in that：Central canal（21）
In burner（11）Penetralia, with coal slurry channel（22）Connected using flange；
Coal slurry channel（22）In burner（11）Middle part, with fire retardant outer shroud（23）Pipe adopts flange to be connected；
Fire retardant outer shroud（23）In burner（11）Outside, with burner large flange（27）Using welding up and down, water leg is in burner
Large flange（27）Bottom outermost, with burner large flange（27）Connected using welding manner, water leg inlet tube simultaneously（25）With
Water leg outlet（26）In burner large flange（27）Top perforate is simultaneously connected using welding manner, water leg inlet tube（25）Deep
Enter to water leg bottom.
3. the split type coal slurry gasifier of burning according to claim 1, Quench it is characterised in that：
Quench water tank（33）Positioned at shock chamber top, using welding manner by chilled water baffle plate（35）With Quench chamber enclosure, gas phase
Pipe（32）It is connected, form Quench water tank（33）, chilled water ring cavity（34）It is shock chamber's import large flange（38）With gas phase pipe（32）
The ring-shaped cavity being formed, Quench water inlet（36）Positioned at chilled water baffle plate（35）Top；
Water gas exports（37）Positioned at chilled water baffle plate（35）Bottom；
Water-cooled protective bulkhead（40）It is connected with gasifier water-cooling wall coil pipe, deeply to the chilled water ring cavity on shock chamber top（34）Outward
Side, in order to protect chilled water ring cavity（34）.
4. the split type coal slurry gasifier of burning according to claim 1, Quench it is characterised in that：Combustor with swash
Cold house is split-type structural, and both detachably separate.
5. the split type coal slurry gasifier of burning according to claim 1, Quench it is characterised in that：Described furnace shell
Internal setting annular disk pipe fin panel casing, protects furnace shell using demineralized water compulsory circulative cooling in water-cooling wall, is equipped with vapour simultaneously
Bag by-product low-pressure steam.
6. the split type coal slurry gasifier of burning according to claim 1, Quench it is characterised in that：Chilled water ring cavity
（34）With outlet as water-cooled protective bulkhead（40）Rear, described chilled water ring cavity（34）With outlet adjacent to described shock chamber
Upper edge.
7. the split type coal slurry gasifier of burning according to claim 1, Quench is it is characterised in that gasification furnace furnace shell is adopted
Made with steel, design is pressure to be 1.3 4.0MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895659.7A CN106433794A (en) | 2016-10-14 | 2016-10-14 | Combustion and quenching separated type water-coal-slurry gasifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610895659.7A CN106433794A (en) | 2016-10-14 | 2016-10-14 | Combustion and quenching separated type water-coal-slurry gasifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106433794A true CN106433794A (en) | 2017-02-22 |
Family
ID=58175150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610895659.7A Pending CN106433794A (en) | 2016-10-14 | 2016-10-14 | Combustion and quenching separated type water-coal-slurry gasifier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106433794A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446628A (en) * | 2017-10-13 | 2017-12-08 | 江西昌昱实业有限公司 | A kind of new fixed bed slag gasification reacting furnace and its gas making method |
| CN108485716A (en) * | 2018-04-28 | 2018-09-04 | 余军 | Biomass garbage gasification furnace |
| CN109810730A (en) * | 2019-03-01 | 2019-05-28 | 中国东方电气集团有限公司 | A kind of water-coal-slurry water cooled wall gasification furnace of long-period stable operation |
| CN109810731A (en) * | 2019-03-01 | 2019-05-28 | 中国东方电气集团有限公司 | A kind of water-coal-slurry water cooled wall gasification furnace of efficient long-period stable operation |
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| CN205241615U (en) * | 2015-12-30 | 2016-05-18 | 浙江晋巨化工有限公司 | Mix and burn gasifier that contains high -concentration ammonia nitrogen and COD sewage |
| CN206256030U (en) * | 2016-10-14 | 2017-06-16 | 江西昌昱实业有限公司 | The split type coal slurry gasifier of a kind of burning, Quench |
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2016
- 2016-10-14 CN CN201610895659.7A patent/CN106433794A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN205241615U (en) * | 2015-12-30 | 2016-05-18 | 浙江晋巨化工有限公司 | Mix and burn gasifier that contains high -concentration ammonia nitrogen and COD sewage |
| CN206256030U (en) * | 2016-10-14 | 2017-06-16 | 江西昌昱实业有限公司 | The split type coal slurry gasifier of a kind of burning, Quench |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107446628A (en) * | 2017-10-13 | 2017-12-08 | 江西昌昱实业有限公司 | A kind of new fixed bed slag gasification reacting furnace and its gas making method |
| CN108485716A (en) * | 2018-04-28 | 2018-09-04 | 余军 | Biomass garbage gasification furnace |
| CN109810730A (en) * | 2019-03-01 | 2019-05-28 | 中国东方电气集团有限公司 | A kind of water-coal-slurry water cooled wall gasification furnace of long-period stable operation |
| CN109810731A (en) * | 2019-03-01 | 2019-05-28 | 中国东方电气集团有限公司 | A kind of water-coal-slurry water cooled wall gasification furnace of efficient long-period stable operation |
| CN109810731B (en) * | 2019-03-01 | 2019-12-13 | 中国东方电气集团有限公司 | high-efficient long period steady operation's coal slurry water-cooling wall gasifier |
| CN109810730B (en) * | 2019-03-01 | 2019-12-13 | 中国东方电气集团有限公司 | Long-period stable operation water-coal-slurry water-cooled wall gasification furnace |
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Application publication date: 20170222 |