CN104180385B - A kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing and method - Google Patents
A kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing and method Download PDFInfo
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- CN104180385B CN104180385B CN201410402225.XA CN201410402225A CN104180385B CN 104180385 B CN104180385 B CN 104180385B CN 201410402225 A CN201410402225 A CN 201410402225A CN 104180385 B CN104180385 B CN 104180385B
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- 239000000843 powder Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000003245 coal Substances 0.000 claims abstract description 72
- 238000000197 pyrolysis Methods 0.000 claims abstract description 57
- 239000007789 gas Substances 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 25
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 16
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 16
- 239000011734 sodium Substances 0.000 claims abstract description 16
- 238000002485 combustion reaction Methods 0.000 claims abstract description 15
- 239000000571 coke Substances 0.000 claims abstract description 9
- 239000002817 coal dust Substances 0.000 claims description 39
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 15
- 239000003546 flue gas Substances 0.000 claims description 14
- 239000010883 coal ash Substances 0.000 claims description 12
- 239000010884 boiler slag Substances 0.000 claims description 3
- 238000010304 firing Methods 0.000 claims description 2
- 238000011109 contamination Methods 0.000 abstract description 12
- 229910052783 alkali metal Inorganic materials 0.000 abstract description 9
- 150000001340 alkali metals Chemical class 0.000 abstract description 9
- 238000000746 purification Methods 0.000 abstract description 3
- 229910001514 alkali metal chloride Inorganic materials 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 241000273930 Brevoortia tyrannus Species 0.000 description 11
- 230000008901 benefit Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 239000003513 alkali Substances 0.000 description 3
- 239000002956 ash Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000007664 blowing Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008021 deposition Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 238000005245 sintering Methods 0.000 description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 150000001339 alkali metal compounds Chemical class 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011280 coal tar Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 230000005619 thermoelectricity Effects 0.000 description 1
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- Solid-Fuel Combustion (AREA)
Abstract
The present invention relates to a kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing and method, pass through heater riser tube, hot semicoke groove, pyrolysis reactor formation semicoke heat carrier raw coal pyrolysis, the system being combined with coal-powder boiler, raw coal is first mixed into progress high temperature pyrolysis in pyrolysis reactor with high-temperature semi-coke, volatilizable alkali metal chloride is set to evaporate into pyrolysis gas, so as to reduce alkali metal content in coal-powder boiler as-fired coal, and then reduce the alkali metal in combustion product gases, it then can fundamentally solve or mitigate convection heating surface contamination situation significantly, pyrolysis gas is collected by purifier to sodium resource simultaneously, burnt after purification in pyrolysis gas and tar feeding coal-powder boiler, effectively utilize combustible component in coal, ensure boiler combustion efficiency.
Description
Technical field
The present invention relates to coal-powder boiler technical field, specially a kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing
And method.
Background technology
China's power industry is based on thermal power generation, and thermoelectricity installed capacity is more than more than 70%.Coal-powder boiler has burning fast
Speed, completely, capacity big, efficiency high, adapt to that coal is wide, the advantages of being easy to control to adjust, when using high alkalinity coal, is present in
Alkali compounds in coal, can be evaporated in combustion, easily condense on boiler heating surface what is formed sintering or bond
Ash deposition, causes burn into slagging scorification and the contamination problems of the equipment of boiler heating surface.Slagging scorification and contamination can reduce the heat transfer effect of boiler
Rate, influences boiler output so that the safety in operation of equipment is seriously reduced, may cause when slagging scorification is serious burner hearth flame-out, booster,
The major accidents such as unplanned blowing out, are one of major issues that long-term influence station boiler is normally run.
In order to prevent by slagging scorification is entered with staiing the various problems brought, domestic and foreign scholars to the mechanism of slagging scorification and contamination
Substantial amounts of research is gone, research shows that slagging scorification is complicated physical-chemical reaction process with staiing, and ash erosion is both one multiple
Miscellaneous physical and chemical process, is a dynamic process again, both relevant with fuel characteristic, also with the structure and service condition of boiler
It is relevant.Scholar proposes multiple slagging scorification and judges index, but these slagging scorification judge that index has very big in actual application
Limitation, can only can not fundamentally solve the problems, such as to stain the harm to boiler as preliminary judgement.For high alkalinity coal, by
The volatilization of alkali metal in coal, easily condenses to form one layer of bottoming attachment in boiler heating surface, and bottoming thing is main with chlorine
Change sodium or sulfuric acid na form is present.After mentioned component volatilizees in high temperature environments, easily condense in and sintering is formed on convection heating surface
Or the ash deposition bonded, the suction-operated with attachment to flying dust, it can make it that different degrees of contamination occurs in convection heating surface
Phenomenon, and pollutant can not use soot blower to remove, so as to cause heating surface heat-transfer capability to decline, cause exhaust gas temperature liter
High the problems such as, burner hearth is finally set to exert oneself to substantially reduce and cause blowing out.
Domestic also lack engineering operation experience using high alkalinity coal for burn, only Xinjiang region individual power plants are high in research
Alkaline burning of coal contamination problems, currently without effectively utilizing method.By optimizing in boiler combustion mode, control burner hearth
Temperature and burning slow down the clogging problems of boiler, in practice and are not easy to operation and are not also promoted.Only pass through outer coal
Mix the mode of burning to mitigate contamination problems, carry out mixing burning, Boiler Mixed Burning high alkalinity coal after mixing with other coals using accurate eastern coal
Ratio be not to be exceeded 30%, when mixed-fuel burning proportion increases, it is serious that the convection heating surface of boiler stains dust stratification, while alkali metal is to pot
The bulk material corrosion of stove is also very serious.Because Xinjiang region high alkalinity coal utilization mode is generally electric power stations near coal-mines, when mixing burning pair
The demand of outer coal is larger, and so eastern coal usage amount of alignment is very limited, while coal-fired from other place purchase high-quality again, increasing
The cost of electricity-generating of electricity power enterprise is added.The eastern exploitation in coalfield of alignment and the construction in power supply base bring difficulty, it is difficult to by quasi- east
The advantage of coal is given full play to, while the design and operation to pulverized-coal fired boiler bring very big difficulty.Therefore, boiler is pure burns high-alkali
During property coal, the contamination of convection heating surface is urgent problem to be solved.
The content of the invention
, can be effective it is an object of the invention to provide a kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing and method
Solve existing station boiler convection heating surface contamination problems, reduction boiler heating surface arrangement difficulty, it is ensured that boiler heating surface is abundant
Heat exchange, stable boiler output；The convection heating surface overheating problem caused by contamination is avoided, the hair of pipe explosion accident is substantially reduced
It is raw；Realize that extensive pure burn of high alkalinity coal utilizes, while not influenceing boiler combustion efficiency.
Technical scheme is as follows：
A kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing, it is characterised in that：Including coal dust furnace, heating
Riser, hot semicoke groove, pyrolysis reactor, separator one, the exhanst gas outlet of coal dust furnace are respectively connecting to heater riser tube
With back-end ductwork device, the outlet of heater riser tube is connected to hot semicoke groove；The high-temperature semi-coke outlet of hot semicoke groove is connected to heat
Reactor is solved, the coal ash outlet of pyrolysis reactor is respectively connecting to the feed end and heater riser tube of coal dust furnace；
The exhanst gas outlet of hot semicoke groove is connected to separator one, and the coal ash outlet of separator one is connected to pyrolysis reactor,
The exhanst gas outlet of separator one is connected to back-end ductwork device；
The exhanst gas outlet of pyrolysis reactor is connected to coal dust furnace by separator two；
Pyrolysis reactor is additionally provided with high alkalinity coal entrance.
The exhanst gas outlet of the separator two, which is connected on the pipeline of coal dust furnace, is provided with purifier.
The coal ash outlet of the pyrolysis reactor is connected to heat exchanger, and the coal ash outlet of heat exchanger is connected to coal dust furnace
Feed end；Coal dust furnace feed end includes the coal bunker one and dispenser one of conveying raw coal, is additionally provided with air blower and burner,
Coal bunker one is connected to dispenser one, and dispenser one is connected to burner, and air blower is also connected to burner, air blower conveying burning
Required air.
The back-end ductwork device includes back-end ductwork, deduster and air-introduced machine, and deduster is installed in the end of back-end ductwork,
The outlet flue connection air-introduced machine of back-end ductwork, is discharged after dedusting by air-introduced machine.
The invention is higher using the flue-gas temperature after burning, enters heater riser tube, heater riser through horizontal flue part
Semicoke is exchanged heat and lifted with high-temperature flue gas in pipe, is used after semicoke is heated into hot semicoke groove as heat carrier, discharge
Heat smoke sends into back-end ductwork after separator.Raw coal enters pyrolysis reactor through dispenser two, carrys out the high temperature of self-heating semicoke groove
Hot semicoke is mixed with raw coal, is completed alkali metal in the pyrolytic reaction of coal, coal dust and is volatized at high temperature in pyrolysis gas, purified
Hearth combustion is sent into after removing alkali metal.The part semicoke of pyrolysis reactor outlet is sent after delivering into heat exchanger, heat exchange
Enter and stored in coal bunker one, the coal in coal bunker one is burnt from the feeding burner of dispenser one in burner hearth.Due to coal tar
Middle alkali metal is greatly decreased, it is to avoid combustion product gases alkali metal compound sticks to shape on convection heating surface tube wall to the cold in burner hearth
Into the initiation layer of contamination, the primary condition stain and formed is destroyed.
The implementation method of whole system is as follows：
In start-up, coal beyond coal dust furnace feed end can be first passed through and mix burning mode and send into burner and burnt,
Until coal dust furnace starts normal operation, furnace temperature is reached after uniform temperature, recycles the flue gas of boiler itself to standby semicoke
Heated, after heater riser tube normal operation, the addition of outer coal can be stopped；Boiler normal operating phase, by the half of pyrolysis
Jiao is burnt with external air in the burner hearth of coal dust furnace, and combustion product gases are a part of to send into heater riser tube, and in addition one
Part is discharged into through back-end ductwork device, and the flue gas in heater riser tube enters hot semicoke groove；Pyrolysis reactor one end is passed through high-alkali
Property coal, the other end is passed through the high-temperature semi-coke for carrying out self-heating semicoke groove, by being pyrolyzed in pyrolysis reactor, one after pyrolysis
Semicoke is divided to deliver into the feed end storage of coal dust furnace after heat exchanger enters trip temperature adjustment, another part semicoke enters
Heater riser tube, is exchanged heat with the high-temperature flue gas from burner hearth；It is pyrolyzed the purified device of obtained gas and removes feeding after sodium
Coal dust furnace is burnt.Boiler slag removal is carried out in coal dust firing furnace bottom.
After high alkalinity coal is pyrolyzed in pyrolysis reactor, volatile sodium is largely removed, under the sodium content in coal
Active sodium content has been substantially reduced in drop, the flue gas generated when being burnt in coal dust furnace burner hearth, by follow-up
During heating surface due in flue gas active sodium content it is few, do not stain substantially.
The invention has the advantages that：
（1）Using one kind in pyrolysis reactor high temperature semicoke and high alkalinity coal mixed pyrolysis, removed by being pyrolyzed in coal
Volatile sodium, reduce the sodium element content in coal-powder boiler as-fired coal, reduce the contamination of Boiler Convection Heating Surface, improve
The heat exchange efficiency of heat-transfer surface, stable boiler output；
（2）By using high-temperature semi-coke and high alkalinity coal mixed pyrolysis, hearth combustion, energy profit are sent into after pyrolysis gas purification
Improved with efficiency, the problem of reducing gas solid separation dedusting, at present can only be by mixing burning approach profit while avoiding high alkalinity coal
With the great number cost brought；
（3）In the case where being changed less to former boiler design, realize that extensive pure burn of high alkalinity coal utilizes, improve electricity
The benefit of factory.
The system that the present invention is combined using the pyrolysis of semicoke heat carrier raw coal and coal-powder boiler, by coal-fired first in pyrolysis reactor
In mixed with high-temperature semi-coke progress high temperature pyrolysis, volatilizable alkali metal chloride is evaporate into pyrolysis gas, so as to reduce coal
Alkali metal content in powder stove as-fired coal, and then reduce the alkali metal in combustion product gases, then it can fundamentally solve or subtract significantly
Light convection heating surface stains situation, while pyrolysis gas is collected by purifier to sodium resource, pyrolysis gas and Jiao after purification
Burnt in oil feeding coal-powder boiler, effectively utilize combustible component in coal, it is ensured that boiler combustion efficiency.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Wherein, reference is：1 coal bunker one, 2 dispensers one, 3 air blowers, 4 burners, 5 coal dust furnaces, 6 heating are carried
Riser, 7 hot semicoke grooves, 8 pyrolysis reactors, 9 coal bunkers two, 10 dispensers two, 11 separators one, 12 heat exchangers, 13 purifiers,
14 dedusters, 15 air-introduced machines.
Embodiment
As shown in figure 1, the semicoke heat carrier coal dust furnace system of the present invention for preventing boiler heating surface from staiing, including coal
Powder combustion furnace 5, heater riser tube 6, hot semicoke groove 7, pyrolysis reactor 8, separator 1, the exhanst gas outlet of coal dust furnace 5
Heater riser tube 6 and back-end ductwork device are respectively connecting to, the outlet of heater riser tube 6 is connected to hot semicoke groove 7；Hot semicoke groove
7 high-temperature semi-coke outlet is connected to pyrolysis reactor 8, and the coal ash outlet of pyrolysis reactor 8 is respectively connecting to coal dust furnace 5
Feed end and heater riser tube 6；
The exhanst gas outlet of hot semicoke groove 7 is connected to separator 1, and the coal ash outlet of separator 1 is connected to pyrolysis instead
Device 8 is answered, the exhanst gas outlet of separator 1 is connected to back-end ductwork device；
The exhanst gas outlet of pyrolysis reactor 8 is connected to coal dust furnace 5 by separator two；
Pyrolysis reactor 8 is additionally provided with high alkalinity coal entrance.
The exhanst gas outlet of the separator two, which is connected on the pipeline of coal dust furnace 5, is provided with purifier 13.
The coal ash outlet of the pyrolysis reactor 8 is connected to heat exchanger 12, and the coal ash outlet of heat exchanger 12 is connected to coal dust
The feed end of combustion furnace 5, the feed end of coal dust furnace 5 includes coal bunker 1, dispenser 1 and burner 4, and burner 4 is also connected with
There is the air blower 3 for being passed through air.
The back-end ductwork device includes back-end ductwork, deduster 14 and air-introduced machine 15, and the end of back-end ductwork, which is installed, removes
Dirt device 14, the outlet flue connection air-introduced machine 15 of back-end ductwork, is discharged after dedusting by air-introduced machine 15.
The implementation method of whole system is as follows：
In boiler start-up, coal beyond coal bunker 1, dispenser 1 can be first passed through mix burning mode and send into burner 4 and carry out
Burning, reaches after uniform temperature, the flue gas of recycling boiler itself is to standby until coal dust furnace 5 starts normally to run furnace temperature
Semicoke is heated, after the normal operation of riser 6, can stop the addition by coal bunker 1, the outer coal of dispenser 1.Boiler is normal
Operation phase, the semicoke by pyrolysis is burnt with the air from air blower 3 in the burner hearth of coal dust furnace 5, burning
Flue gas part feeding heater riser tube 6, another part is discharged into chimney after cooling through back-end ductwork.From coal bunker 29, feed
The high alkalinity coal of device 2 10 enters from the one end of pyrolysis reactor 8, and the high-temperature semi-coke for carrying out self-heating semicoke groove 7 is another by pyrolysis reactor 8
One end enters, and raw coal is pyrolyzed in pyrolysis reactor 8, and the semicoke after pyrolysis is partly into heat exchanger 12, and temperature is carried out
The storage of coal bunker 1 is delivered into after adjustment, another part enters heater riser tube 6, changed with the high-temperature flue gas from burner hearth
Heat.Feeding coal dust furnace 5 after the purified removing of device 13 sodium of obtained gas is pyrolyzed to be burnt.Boiler slag removal fires in coal dust
The bottom of stove 5 is burnt to carry out.
After high alkalinity coal is pyrolyzed in pyrolysis reactor 8, volatile sodium is largely removed, under the sodium content in coal
Active sodium content has been substantially reduced in drop, the flue gas generated when being burnt in the burner hearth of coal dust furnace 5, by follow-up
During heating surface due in flue gas active sodium content it is few, do not stain substantially.
Claims (5)
1. a kind of coal-powder boiler semicoke thermal vector system for preventing boiler from staiing, it is characterised in that：Including coal dust furnace（5）Plus
Hot riser（6）, hot semicoke groove（7）, pyrolysis reactor（8）, separator one（11）, coal dust furnace（5）Exhanst gas outlet point
Heater riser tube is not connected to it（6）With back-end ductwork device, heater riser tube（6）Outlet be connected to hot semicoke groove（7）；Heat half
Burnt groove（7）High-temperature semi-coke outlet be connected to pyrolysis reactor（8）, pyrolysis reactor（8）Coal ash outlet be respectively connecting to coal
Powder combustion furnace（5）Feed end and heater riser tube（6）；Hot semicoke groove（7）Exhanst gas outlet be connected to separator one（11）, point
From device one（11）Coal ash outlet be connected to pyrolysis reactor（8）, separator one（11）Exhanst gas outlet be connected to back-end ductwork
Device；Pyrolysis reactor（8）Exhanst gas outlet coal dust furnace is connected to by separator two（5）；Pyrolysis reactor（8）Also set
It is equipped with high alkalinity coal entrance.
2. the coal-powder boiler semicoke thermal vector system according to claim 1 for preventing boiler from staiing, it is characterised in that：Described point
Exhanst gas outlet from device two is connected to coal dust furnace（5）Pipeline on be provided with purifier（13）.
3. the coal-powder boiler semicoke thermal vector system according to claim 1 for preventing boiler from staiing, it is characterised in that：The heat
Solve reactor（8）Coal ash outlet be connected to heat exchanger（12）, heat exchanger（12）Coal ash outlet be connected to coal dust furnace（5）
Feed end；Coal dust furnace（5）Feed end includes the coal bunker one of conveying raw coal（1）With dispenser one（2）, it is additionally provided with air blower
（3）And burner（4）, coal bunker one（1）It is connected to dispenser one（2）, dispenser one（2）It is connected to burner（4）, air blower
（3）It is also connected to burner（4）, air blower（3）Convey the air needed for burning.
4. the coal-powder boiler semicoke thermal vector system according to claim 1 for preventing boiler from staiing, it is characterised in that：The tail
Portion's flue device includes back-end ductwork, deduster（14）And air-introduced machine（15）, deduster is installed in the end of back-end ductwork（14）, tail
The outlet flue connection air-introduced machine of portion's flue（15）.
5. according to claim 3 system prevent boiler stain method, it is characterised in that：
In start-up, coal bunker one is first passed through（1）, dispenser one（2）Coal mixes burning mode and sends into burner in addition（4）Fired
Burn, until coal dust furnace（5）Start normal operation, furnace temperature is reached after uniform temperature, recycles coal dust furnace（5）It is interior itself
Flue gas heated, heater riser tube（6）After normal operation, stop the addition of outer coal；
Boiler normal operating phase, the semicoke by pyrolysis is with coming from air blower（3）Air through burner（4）In coal dust firing
Stove（5）Burner hearth in burnt, combustion product gases a part sends into heater riser tube（6）, another part fills through back-end ductwork
Put discharge；Heater riser tube（6）Interior flue gas enters hot semicoke groove（7）；Pyrolysis reactor（8）One end is through coal bunker two（9）, feed
Device two（10）High alkalinity coal is sent into, the other end, which is passed through, carrys out self-heating semicoke groove（7）High-temperature semi-coke, by pyrolysis reactor（8）
Middle to be pyrolyzed, a part of semicoke after pyrolysis passes through heat exchanger（12）Coal bunker one is delivered into after entering trip temperature adjustment（1）Storage
Deposit, another part semicoke enters heater riser tube（6）, heat exchange pyrolysis is carried out with the high-temperature flue gas from burner hearth；What pyrolysis was obtained
The purified device of gas（13）Coal dust furnace is sent into after removing sodium（5）Burnt；Boiler slag removal is from coal dust furnace（5）'s
Discharge bottom.
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| CN107854966A (en) * | 2017-11-20 | 2018-03-30 | 深圳东方锅炉控制有限公司 | A kind of method and system for improving high basic metal coal and staiing coking |
| CN112393227A (en) * | 2020-11-24 | 2021-02-23 | 广州中电荔新热电有限公司 | Solid waste treatment device and treatment method |
| CN114262618B (en) * | 2021-12-24 | 2022-08-26 | 西安交通大学 | Pyrogenic upgrading device and method for high-chlorine coal |
| CN114854437B (en) * | 2022-05-30 | 2023-07-25 | 浙江大学 | Method and system for reducing slag formation characteristics of high-sodium coal |
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| JPS55155728A (en) * | 1979-05-23 | 1980-12-04 | Hitachi Ltd | Dry type exhaust gas desulfurizing method |
| JPH0233754B2 (en) * | 1979-10-30 | 1990-07-30 | Kogyo Gijutsuin | NETSUBUNKAIHOHO |
| RU2239620C2 (en) * | 2002-07-29 | 2004-11-10 | Завьялов Борис Борисович | Method of processing organics-containing sludgy waste water sediment |
| CN102604657A (en) * | 2012-01-18 | 2012-07-25 | 大连理工大学 | Method for comprehensively using high-temperature smoke containing semi-coke powder |
| CN102786966B (en) * | 2012-03-08 | 2014-04-16 | 大连理工大学 | Coal solid heat carrier pyrolysis method and system for guide type stripping reinforced oil gas accelerated introduction |
| CN204006068U (en) * | 2014-08-15 | 2014-12-10 | 中国东方电气集团有限公司 | A kind of coal-powder boiler semicoke thermal vector system that prevents that boiler from staiing |
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