CN102942966A - Petroleum coke proportion adding control system - Google Patents
Petroleum coke proportion adding control system Download PDFInfo
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- CN102942966A CN102942966A CN2012104409916A CN201210440991A CN102942966A CN 102942966 A CN102942966 A CN 102942966A CN 2012104409916 A CN2012104409916 A CN 2012104409916A CN 201210440991 A CN201210440991 A CN 201210440991A CN 102942966 A CN102942966 A CN 102942966A
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- coal
- refinery coke
- selector switch
- output terminal
- frequency conversion
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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
- C10J3/72—Other features
- C10J3/723—Controlling or regulating the gasification process
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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
- C10J3/506—Fuel charging devices for entrained flow gasifiers
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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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0903—Feed preparation
- C10J2300/0906—Physical processes, e.g. shredding, comminuting, chopping, sorting
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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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/093—Coal
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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
- C10J2300/00—Details of gasification processes
- C10J2300/09—Details of the feed, e.g. feeding of spent catalyst, inert gas or halogens
- C10J2300/0913—Carbonaceous raw material
- C10J2300/0943—Coke
Abstract
The invention discloses a petroleum coke proportion adding control system, which at least comprises a first working area and a second working area, wherein the first working area consists of a petroleum coke bin A (1), a petroleum coke coal feeding machine A (5), a raw coal bin A (2), a raw coal feeding machine A (6), a coal grinding machine A (9) and a PID (proportional integral derivative) controller A (31), and the second working area consists of a petroleum coke bin B (4), a raw coal bin B (3), a petroleum coke coal feeding machine B (8), a raw coal feeding machine B (7), a coal grinding machine B (10) and a PID controller B (32). The petroleum coke proportion control system has the beneficial effect that through the combination of little content of ash in the petroleum coke and the independent working and the cooperative working of the first working area and the second working area, the adding amount of the petroleum coke is accurately controlled, the content of ash in the raw coal is reduced, and the required ash value is reached.
Description
Technical field
The present invention relates to a kind of refinery coke proportioning and add Controlling System, relate in particular to a kind of Shell Coal Gasification and add Controlling System with the refinery coke proportioning, belong to chemical industry Controlling System technical field.
Background technology
Shell Coal Gasification Process is widely used all over China as the representative of s-generation Clean Coal Gasification Technology, and it adopts entrained-flow reactor, take dry pulverized coal as raw material, carries out pressurized gasification, and has realized large-scale production.The advantage of Technology of Shell Coal Gasification be wide to coal adaptability, vapor pressure is high, gasification efficiency is high, single series throughput is large, it is few etc. to pollute.But because the region is different, the various places coal is different, has seriously restricted production load and the factor of created gase of shell gasification.Take certain company as example, owing to affected by high ash content raw coal, the vapourizing furnace load only can maintain operation below 85%, but ash-slag disposal system actual treatment load has reached 123%, high ash content also causes tremendous influence to equipment simultaneously, equipment abrasion situation continues to worsen, waste heat boiler dust stratification speed is accelerated, and device increases because of high ash content parking maintenance number of times, and system does not possess high loading, long-term operation ability.
Refinery coke has the characteristics such as low ash content, high heating value, thus in raw coal a certain proportion of refinery coke of blending, can reduce into stove ash content of coal ratio, with reduction equipment abrasion, shell vapourizing furnace syngas cooler section dust stratification risk.Simultaneously, also can join the coke ratio example according to the different stove ature of coal adjustment that enters, with H in the control synthetic gas
2S content.Therefore, in raw coal, add the certain proportion refinery coke, change beyond doubt a feasible good method of the predicament of present production run.
But the refinery coke ash oontent is little, if refinery coke proportioning ratio is excessive or proportioning is too small, certainly will cause into the overall ash content fluctuation of stove coal, thereby affect vapourizing furnace dross uniformity coefficient and thickness, overall ash content is too small most serious of all, causes the dry combustion method of vaporizer membrane wall, burns equipment; Simultaneously, the refinery coke sulphur content is high, and the proportioning ratio is excessive, can cause equally equipment, corrosive pipeline aggravation.So join the height that the coke ratio example finally depends on coal ash.
Summary of the invention
The object of the present invention is to provide a kind of refinery coke proportioning to add Controlling System, can accurately control the addition of refinery coke, the ash oontent in the reduction raw coal reaches the design ash value of device.
The objective of the invention is to be achieved through the following technical solutions: a kind of refinery coke proportioning is added Controlling System, which comprises at least two workspace in the first workspace and secondary service area, the first workspace is by oil coke bin A, the refinery coke feeder A that is connected with oil coke bin A, run coal bin A, the raw-fuel feeder A that is connected with run coal bin A, coal pulverizer A and PID controller A form, refinery coke feeder A is connected outlet and is connected with coal pulverizer A simultaneously with raw-fuel feeder A, be provided with refinery coke electronic belt scale A and refinery coke motor frequency conversion device A among the refinery coke feeder A, be provided with raw coal electronic belt scale A and raw coal motor frequency conversion device A among the raw-fuel feeder A, PID controller A is by multiplier A, proportioning load module A, totalizer A, selector switch A, switching push button A and motor frequency conversion controller A form, wherein, switching push button A is arranged on the selector switch A, be provided with first input end and second on the selector switch A and enter output terminal, selector switch A selects first input end or the input of the second input terminus by switching push button A, the output terminal of raw coal electronic belt scale A and proportioning load module A links to each other with the input terminus of multiplier A, the output terminal of the output terminal of multiplier A and selector switch A links to each other with the input terminus of totalizer A, the output terminal of totalizer A links to each other with the input terminus of motor frequency conversion controller A, and the output terminal of motor frequency conversion controller A links to each other with refinery coke motor frequency conversion device A;
The secondary service area is by oil coke bin B, the refinery coke feeder B that is connected with oil coke bin B, run coal bin B, the raw-fuel feeder B that is connected with run coal bin B, coal pulverizer B and PID controller B form, refinery coke feeder B is connected outlet and is connected with coal pulverizer B simultaneously with raw-fuel feeder B, be provided with refinery coke electronic belt scale B and refinery coke motor frequency conversion device B among the refinery coke feeder B, be provided with raw coal electronic belt scale B and raw coal motor frequency conversion device B among the raw-fuel feeder B, PID controller B is by multiplier B, proportioning load module B, totalizer B, selector switch B, switching push button B and motor frequency conversion controller B form, wherein, switching push button B is arranged on the selector switch B, be provided with first input end and second on the selector switch B and enter output terminal, selector switch B selects first input end or the input of the second input terminus by switching push button B, the output terminal of raw coal electronic belt scale B and proportioning load module B links to each other with the input terminus of multiplier B, the output terminal of the output terminal of multiplier B and selector switch B links to each other with the input terminus of totalizer B, the output terminal of totalizer B links to each other with the input terminus of motor frequency conversion controller B, and the output terminal of motor frequency conversion controller B links to each other with refinery coke motor frequency conversion device B.
Described switching push button A and switching push button B are list-bi serie switching push button.
Two input terminuss of described selector switch A and selector switch B link to each other with totalizer B with totalizer A respectively according to the mode of " selecting ", wherein, multiplier B output terminal in the PID controller B of the second input terminus of selector switch A and secondary service area links to each other, and the multiplier A output terminal in the PID controller A of the second input terminus of selector switch B and the first workspace links to each other.
Beneficial effect of the present invention is: in conjunction with the little characteristics of the ash oontent of refinery coke own, independence and cooperating by two workspace, realize the purpose of the addition of accurate control refinery coke, reduced the ash oontent in the raw coal, reached the design requirements ash value.
Description of drawings
Fig. 1 is structural representation of the present invention.
Wherein, 1-oil coke bin A, 2-run coal bin A, 3-run coal bin B, 4-oil coke bin B, 5-refinery coke feeder A, 6-raw-fuel feeder A, 7-raw-fuel feeder B, 8-refinery coke feeder B, 9-coal pulverizer A, 10-coal pulverizer B, 11-refinery coke electronic belt scale A, 12-refinery coke motor frequency conversion device A, 13-raw coal electronic belt scale A, 14-raw coal motor frequency conversion device A, 15-refinery coke electronic belt scale B, 16-refinery coke motor frequency conversion device B, 17-raw coal electronic belt scale B, 18-raw coal motor frequency conversion device B, 19-multiplier A, 20-multiplier B, 21-proportioning load module A, 22-proportioning load module B, 23-totalizer A, 24-totalizer B, 25-selector switch A, 26-selector switch B, 27-switching push button A, 28-switching push button B, 29-motor frequency conversion controller A, 30-motor frequency conversion controller B, 31-PID controller A, 32-PID controller B.
Embodiment
Further describe technical scheme of the present invention below in conjunction with accompanying drawing, but that claimed scope is not limited to is described.
Such as Fig. 1, a kind of refinery coke proportioning is added Controlling System, which comprises at least two workspace in the first workspace and secondary service area, the first workspace is by oil coke bin A1, the refinery coke feeder A5 that is connected with oil coke bin A1, run coal bin A2, the raw-fuel feeder A6 that is connected with run coal bin A2, coal pulverizer A9 and PID controller A31 form, refinery coke feeder A5 is connected outlet and is connected with coal pulverizer A9 simultaneously with raw-fuel feeder A6, be provided with refinery coke electronic belt scale A11 and refinery coke motor frequency conversion device A12 among the refinery coke feeder A5, be provided with raw coal electronic belt scale A13 and raw coal motor frequency conversion device A14 among the raw-fuel feeder A6, PID controller A31 is by multiplier A19, proportioning load module A21, totalizer A23, selector switch A25, switching push button A27 and motor frequency conversion controller A29 form, wherein, switching push button A27 is arranged on the selector switch A25, be provided with first input end and second on the selector switch A25 and enter output terminal, selector switch A25 selects first input end or the input of the second input terminus by switching push button A27, the output terminal of raw coal electronic belt scale A13 and proportioning load module A21 links to each other with the input terminus of multiplier A19, the output terminal of the output terminal of multiplier A19 and selector switch A25 links to each other with the input terminus of totalizer A23, the output terminal of totalizer A23 links to each other with the input terminus of motor frequency conversion controller A29, and the output terminal of motor frequency conversion controller A29 links to each other with refinery coke motor frequency conversion device A12;
The secondary service area is by oil coke bin B4, the refinery coke feeder B8 that is connected with oil coke bin B4, run coal bin B3, the raw-fuel feeder B7 that is connected with run coal bin B3, coal pulverizer B10 and PID controller B32 form, refinery coke feeder B8 is connected outlet and is connected with coal pulverizer B10 simultaneously with raw-fuel feeder B7, be provided with refinery coke electronic belt scale B15 and refinery coke motor frequency conversion device B16 among the refinery coke feeder B8, be provided with raw coal electronic belt scale B17 and raw coal motor frequency conversion device B18 among the raw-fuel feeder B7, PID controller B32 is by multiplier B20, proportioning load module B22, totalizer B24, selector switch B26, switching push button B28 and motor frequency conversion controller B30 form, wherein, switching push button B28 is arranged on the selector switch B26, be provided with first input end and second on the selector switch B26 and enter input terminus, selector switch B26 selects first input end or the input of the second input terminus by switching push button B28, the output terminal of raw coal electronic belt scale B17 and proportioning load module B22 links to each other with the input terminus of multiplier B20, the output terminal of the output terminal of multiplier B20 and selector switch B26 links to each other with the input terminus of totalizer B24, the output terminal of totalizer B24 links to each other with the input terminus of motor frequency conversion controller B30, and the output terminal of motor frequency conversion controller B30 links to each other with refinery coke motor frequency conversion device B18.
Described switching push button A27 and switching push button B28 are list-bi serie switching push button.
Two input terminuss of described selector switch A25 and selector switch B26 link to each other with totalizer B24 with totalizer A23 respectively according to the mode of " selecting ", wherein, multiplier B20 output terminal in the PID controller B32 of the second input terminus of selector switch A25 and secondary service area links to each other, and the multiplier A19 output terminal in the PID controller A31 of the second input terminus of selector switch B26 and the first workspace links to each other.
Principle of operation of the present invention is as follows:
(1), need joined burnt raw coal sampling carry out ash analysis, draw the ash oontent of this raw coal;
(2), the ash oontent by this raw coal and design requirements ash value calculate the ratio of the refinery coke that this raw coal needs;
(3), manually set the frequency conversion value of raw coal motor frequency conversion device A14 and raw coal motor frequency conversion device B18, raw coal electronic belt scale A13 and raw coal electronic belt scale B17 can obtain real-time coal-supplying amount, by the refinery coke amount that the coke ratio example calculates the interpolation of this series of joining of coal-supplying amount and setting.
When the first workspace and secondary service area normal operation, switching push button A27 and switching push button B28 are single series, selector switch A25 and selector switch B26 are output as 0 of the first output terminal, the set(ting)value of motor frequency conversion controller A29 and motor frequency conversion controller B30 is respectively coal-supplying amount and the product of proportioning load module A21 input value, the coal-supplying amount of raw-fuel feeder B7 and the product of proportioning load module B22 input value of raw-fuel feeder A6 at this moment
The multiplier A19 of the first workspace will send into totalizer A23 after will multiplying each other from the input ratio of the coal-supplying amount of raw coal electronic belt scale A13 and proportioning load module A21, deliver to motor frequency conversion controller A29 as set(ting)value after the output addition of totalizer A23 with the output of selector switch A25 and multiplier A19, motor frequency conversion controller A29 regulates refinery coke motor frequency conversion device A12 according to the refinery coke amount of refinery coke electronic belt scale A11 and the set(ting)value that provides of totalizer A23 again, make actual measuring to Jiao reach set(ting)value, the principle of the first workspace is identical with the first workspace, and the first workspace and secondary service area independent operating are independent of each other;
When the first workspace breaks down, be that refinery coke feeder A5 breaks down, switch secondary service area button B28 and switch to bi serie, selector switch B26 is output as the output of the first workspace PID controller A31 inner multiplication device A19, this moment, the output of motor frequency conversion controller B30 was for to the coal-supplying amount of raw-fuel feeder A6 and the coal-supplying amount and the sum of products of proportioning load module B22 input value of the sum of products raw-fuel feeder B7 of proportioning load module A21 input value, and refinery coke feeder B8 can be the refinery coke amount that not have as refinery coke feeder A5 to add and own need to adding refinery coke amount joining among the coal pulverizer B10; Same, when the secondary service area broke down, refinery coke feeder A5 can join the refinery coke amount that does not add as refinery coke feeder B8 and needs adding refinery coke amount itself among the coal pulverizer A.
The frequency conversion value of the feeder by manual setting run coal bin, at this moment feeder in belted electronic balance this moment coal-supplying amount send in the Controlling System, Controlling System calculates this serial refinery coke addition by the coke ratio example of joining of current coal-supplying amount and setting again, give the PID controller that burnt feeder is joined in control, finished the control of the motor frequency conversion device of refinery coke feeder A5 and refinery coke feeder B8 by the PID controller, accurate interpolation with the amount that guarantees refinery coke, join defocused coal ash and significantly change in order to avoid cause, workshop section causes tremendous influence to postorder.By the feeder of PID controller control, can measure along with the variation of raw coal amount and current Jiao that gives simultaneously, automatically regulate the frequency conversion value to burnt feeder, have very high level of automation and tolerance range.
When the refinery coke feeder fault that arbitrary workspace is arranged, and can't add refinery coke the time, the switching push button of clicking another serial Controlling System and have the operation of a list-bi serie switches position bi serie when normal (be single series), can with since fault and un-added refinery coke he is added by the coke transporting machine of series working properly, again by follow-up workshop section to two serial coal pulverizers grind coal dust mix to guarantee not deviation significantly of coal powder fraction that two series deliver to boiler; When fault series recovers normal, only need the switchback single series operation with original normal series, get final product.In normal condition lower time,, two workspace are independent of one another, each autogamy coke ratio example not simultaneously, also be independent of each other.
Although just schematically draw in the accompanying drawings two workspace, but in the process of actual production, the quantity of workspace can be different, such as three workspace are arranged, the first workspace, secondary service area, the 3rd workspace etc., oil coke bin between them and run coal bin are mutually independent of one another but can interact, and oil coke bin and the run coal bin different material of also can packing into, carry out the purpose of accurate proportioning by preset proportion to reach other two or more materials.
Above listed a series of detailed description only is specifying for feasibility embodiment of the present invention; they are not to limit protection scope of the present invention, and all equivalent embodiment that does or changes that does not break away from skill spirit of the present invention all should be included within protection scope of the present invention.
Claims (3)
1. a refinery coke proportioning is added Controlling System, it is characterized in that: which comprises at least two workspace in the first workspace and secondary service area, the first workspace is by oil coke bin A(1), with oil coke bin A(1) the refinery coke feeder A(5 that is connected), run coal bin A(2), with run coal bin A(2) the raw-fuel feeder A(6 that is connected), coal pulverizer A(9) and PID controller A(31) form, outlet while and the coal pulverizer A(9 of refinery coke feeder A(5) being connected with raw-fuel feeder A(6) be connected, refinery coke feeder A(5) be provided with refinery coke electronic belt scale A(11 in) and refinery coke motor frequency conversion device A(12), raw-fuel feeder A(6) be provided with raw coal electronic belt scale A(13 in) and raw coal motor frequency conversion device A(14), PID controller A(31) by multiplier A(19), proportioning load module A(21), totalizer A(23), selector switch A(25), switching push button A(27) and motor frequency conversion controller A(29) form, wherein, switching push button A(27) be arranged on selector switch A(25) on, selector switch A(25) is provided with first input end and second on and enters output terminal, selector switch A(25) by switching push button A(27) select first input end or the second input terminus to input, raw coal electronic belt scale A(13) with proportioning load module A(21) output terminal and multiplier A(19) input terminus link to each other, multiplier A(19) output terminal and selector switch A(25) output terminal and totalizer A(23) input terminus link to each other, totalizer A(23) output terminal and motor frequency conversion controller A(29) input terminus link to each other motor frequency conversion controller A(29) output terminal and refinery coke motor frequency conversion device A(12) link to each other;
The secondary service area is by oil coke bin B(4), with oil coke bin B(4) the refinery coke feeder B(8 that is connected), run coal bin B(3), with run coal bin B(3) the raw-fuel feeder B(7 that is connected), coal pulverizer B(10) and PID controller B(32) form, outlet while and the coal pulverizer B(10 of refinery coke feeder B(8) being connected with raw-fuel feeder B(7) be connected, refinery coke feeder B(8) be provided with refinery coke electronic belt scale B(15 in) and refinery coke motor frequency conversion device B(16), raw-fuel feeder B(7) be provided with raw coal electronic belt scale B(17 in) and raw coal motor frequency conversion device B(18), PID controller B(32) by multiplier B(20), proportioning load module B(22), totalizer B(24), selector switch B(26), switching push button B(28) and motor frequency conversion controller B(30) form, wherein, switching push button B(28) be arranged on selector switch B(26) on, selector switch B(26) is provided with first input end and second on and enters output terminal, selector switch B(26) by switching push button B(28) select first input end or the second input terminus to input, raw coal electronic belt scale B(17) with proportioning load module B(22) output terminal and multiplier B(20) input terminus link to each other, multiplier B(20) output terminal and selector switch B(26) output terminal and totalizer B(24) input terminus link to each other, totalizer B(24) output terminal and motor frequency conversion controller B(30) input terminus link to each other motor frequency conversion controller B(30) output terminal and refinery coke motor frequency conversion device B(18) link to each other.
2. refinery coke proportioning according to claim 1 is added Controlling System, it is characterized in that: described switching push button A(27) and switching push button B(28) be list-bi serie switching push button.
3. refinery coke proportioning according to claim 1 is added Controlling System, it is characterized in that: described selector switch A(25) with selector switch B(26) two input terminuss according to the mode of " selecting " respectively with totalizer A(23) with totalizer B(24) link to each other, wherein, the PID controller B(32 of the second input terminus selector switch A(25) and secondary service area) the multiplier B(20 in) output terminal links to each other selector switch B(26) the PID controller A(31 of the second input terminus and the first workspace) interior multiplier A(19) output terminal links to each other.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210440991.6A CN102942966B (en) | 2012-11-07 | 2012-11-07 | Petroleum coke proportion adding control system |
| PCT/CN2013/086546 WO2014071830A1 (en) | 2012-11-07 | 2013-11-05 | Petroleum coke proportion and addition control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210440991.6A CN102942966B (en) | 2012-11-07 | 2012-11-07 | Petroleum coke proportion adding control system |
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| CN102942966A true CN102942966A (en) | 2013-02-27 |
| CN102942966B CN102942966B (en) | 2014-02-05 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014071830A1 (en) * | 2012-11-07 | 2014-05-15 | 贵州天福化工有限责任公司 | Petroleum coke proportion and addition control system |
| CN107118805A (en) * | 2017-06-15 | 2017-09-01 | 航天长征化学工程股份有限公司 | Gasification system and method for pulverized coal-doped combustible |
| CN111961499A (en) * | 2019-05-20 | 2020-11-20 | 斗山重工业建设有限公司 | Operation guidance system of coal gasification plant and device and method for same |
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| US11111586B2 (en) | 2016-02-23 | 2021-09-07 | South Dakota Board Of Regents | Self-organized and electrically conducting PEDOT polymer matrix for applications in sensors and energy generation and storage |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2014071830A1 (en) * | 2012-11-07 | 2014-05-15 | 贵州天福化工有限责任公司 | Petroleum coke proportion and addition control system |
| CN107118805A (en) * | 2017-06-15 | 2017-09-01 | 航天长征化学工程股份有限公司 | Gasification system and method for pulverized coal-doped combustible |
| CN111961499A (en) * | 2019-05-20 | 2020-11-20 | 斗山重工业建设有限公司 | Operation guidance system of coal gasification plant and device and method for same |
| CN111961499B (en) * | 2019-05-20 | 2022-01-14 | 斗山重工业建设有限公司 | Operation guidance system of coal gasification plant and device and method for same |
Also Published As
| Publication number | Publication date |
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| WO2014071830A1 (en) | 2014-05-15 |
| CN102942966B (en) | 2014-02-05 |
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