CN201313819Y - Volatile matter and preheated air channel structure of calciner - Google Patents
Volatile matter and preheated air channel structure of calciner Download PDFInfo
- Publication number
- CN201313819Y CN201313819Y CNU2008202202385U CN200820220238U CN201313819Y CN 201313819 Y CN201313819 Y CN 201313819Y CN U2008202202385 U CNU2008202202385 U CN U2008202202385U CN 200820220238 U CN200820220238 U CN 200820220238U CN 201313819 Y CN201313819 Y CN 201313819Y
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- preheated air
- fugitive constituent
- air passage
- calcining furnace
- preheated
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model discloses a volatile matter and preheated air channel structure of a calciner, belonging to the field of tank type carbon calciners. The volatile matter and preheated air channel structure of the calciner comprises a furnace body, a furnace back wall, a furnace front wall, a cooling air channel, a volatile matter channel and a preheated air channel, wherein, the cooling air channel is arranged at the bottom part of the furnace body, the preheated air channel is arranged in a furnace front wall masonry, the preheated air channel is communicated with the cooling air channel through a preheated air gathering structure, a preheated air distribution hole is formed on the preheated air channel, the preheated air distribution hole is communicated with a flame path; the volatile matter channel is arranged in a furnace back wall masonry, a volatile matter distribution hole is formed in the volatile matter channel, and the volatile matter distribution hole is communicated with the flame path. The volatile matter and preheated air channel structure of the calciner has the advantage that the volatile matter and preheated air channel structure of the calciner is conductive to increasing the amount of preheated air which is supplied into the furnace, improves the thermal utilization rate of the furnace, can realize the introduction of the preheated air and volatile matter along the flame path layer by layer and is conductive to flexibly adjusting the temperature distribution of a calcining tank on the height.
Description
Technical field
The utility model relates to the plain production field calcining petroleum coke of a kind of charcoal and burns the tank type carbon calciner of usefulness, relates in particular to a kind of calcining furnace fugitive constituent and preheated air passage structure.
Background technology
Adopt the tank type carbon calciner calcined petroleum coke, have the calcining temperature height, forge that the burnt quality in back is good, scaling loss is little, yield is high, rely on the burning of raw material self fugitive constituent finish calcining, do not need outer for fuel, calcine advantages such as production technique stable operation, stove long service life, overall economic efficiency are good, obtained using widely, particularly, use more general in the enterprise that produces the high quality carbon product.In the tank type carbon calciner production process,, in body of heater, be provided with fugitive constituent is introduced quirk incendiary passage in order to make full use of the fugitive constituent that raw material self produces.For at the bottom of the cool furnace, protection stove base plate, in masonry of well, also be provided with cooling air channels.Cooling air is preheated through heat exchange in the furnace bottom passage, build intravital preheated air road by stove and be introduced into quirk and participate in burning, has played the effect of waste heat recovery, save energy.
Existing tank type carbon calciner all is provided with preheated air passage and fugitive constituent passage in the furnace wall masonry before and after it.Because the restriction on the stove masonry structure space, preheated air can only be introduced into which floor quirk of lower furnace and participate in burning, fugitive constituent also can only enter which floor quirk burning on stove top.This preheated air and fugitive constituent channel architecture, shortcoming with following several respects: 1, the number of plies of fugitive constituent introducing quirk is limited, can not enter the lower level quirk, causes calcining zone narrow, material is incinerating time weak point at high temperature, has limited the further raising of forging the burnt quality in back; 2, when increase of volatility of raw material part content or withdrawal rate increase, a large amount of fugitive constituents can only enter in the burner hearth from high-order quirk, causes 1～3 layer of quirk high temperature to be concentrated, and the excess temperature phenomenon that is produced thus easily damages high-order quirk; 3, in order to protect high-order quirk not burnt out, generally all excessive fugitive constituent is diffused by the handle hole on the furnace roof face, the phenomenon that the furnace roof face emits flare everywhere occurs, operational safety and workshop condition are caused disadvantageous effect; 4, because part furnace bottom cooling air channels has adopted the structure of turning back, drag losses is big, causes pre-air capacity little, can not guarantee to enter the fugitive constituent perfect combustion of quirk; 5, partly preheated air passage fails to arrive at high-order quirk, and the preheated air that enters the low level quirk has had little significance to the temperature that improves calcining zone; 6, on the front-back wall of tank type carbon calciner, all be furnished with fugitive constituent passage and preheated air passage, make stove build intravital textural anomaly complexity, build difficulty by laying bricks or stones.
The utility model content
Provide a kind of calcining furnace fugitive constituent and preheated air passage structure in order to solve the problems of the technologies described above the utility model, purpose is to solve fugitive constituent can't enter and forge the further raising of the burnt quality in back, unnecessary fugitive constituent than thermal zone narrow, restriction in the low level quirk, calcining jar and discharge from furnace roof face handle hole and cause that potential safety hazard and workshop condition pollute, preheated air passage is smooth, the preheated air amount is little, can not realize organized fugitive constituent burning, furnace construction complicated problems.
Be achieved in that a kind of calcining furnace fugitive constituent and preheated air passage structure for reaching above-mentioned purpose the utility model, comprise wall behind body of heater, the stove, stove front wall, cooling air channels, fugitive constituent passage and preheated air passage, wherein cooling air channels is located at the bottom of body of heater, preheated air passage is located in the preceding walling of stove, preheated air passage compiles structure by preheated air and is communicated with cooling air channels, preheated air passage is provided with the preheated air dispensing orifice, and the preheated air dispensing orifice communicates with quirk; The fugitive constituent passage is located at behind the stove in the walling, is provided with the fugitive constituent dispensing orifice in the fugitive constituent passage, and the fugitive constituent dispensing orifice communicates with quirk.
Described fugitive constituent passage communicates with furnace roof fugitive constituent channel architecture.
Described fugitive constituent passage intake is located at the outside of bottom quirk.
It is adjusted and controlled that described fugitive constituent passage is provided with fugitive constituent, and fugitive constituent is adjusted and controlled to be pulling plate brick.
The cross-sectional shape of described fugitive constituent passage is a rectangle, and its size dimension scope is 50～500mm.
The quantity of described fugitive constituent dispensing orifice is identical with the number of plies of quirk.
It is adjusted and controlled that described preheated air passage is provided with preheated air, and preheated air is adjusted and controlled to be pulling plate brick.
The quantity of described preheated air dispensing orifice is identical with the number of plies of quirk.
The preheated air intake of described preheated air passage is located at the outside of first floor quirk.
Described preheated air passage cross-sectional shape is rectangle, circle or Polygons, and the size range of its diameter or the length of side is 60～500mm.
Described every preheated air passage is arranged between two branch flues 23.
Top preheated air passage and branch flue infall that described preheated air compiles structure are provided with cover brick sealed structure, and cover brick sealed structure is built by laying bricks or stones for composite profile refractory brick and formed.
Described cooling air channels is no reentrant pathway, and the cross-sectional shape of cooling air channels is rectangle, circle or Polygons, and the size range of its diameter or the length of side is 60～500mm.
Described cooling air channels is combined by the tubulose special shaped brick, and the cooling air channels blast inlet is located on the back wall lower surface of stove.
The air outlet of the cooling air channels of described furnace bottom is 90 ° with preheated air passage in the walling and is connected before stove.
The bottom of wall is provided with the cooling air channels import behind the described stove.
The utlity model has following advantage:
1, furnace bottom cooling air road do not have turn back, the cross section is big, straight-through stove front wall preheated air passage.Help increasing cooling air volume, improve the cooling performance of calcining jar in furnace bottom and bottom, the heating status of improving drop-bottom and stove steel construction.
2, help increasing the preheated air amount that infeeds in the stove, improve the heat utilization efficiency of stove.
3, can realize that successively quirk is introduced preheated air and fugitive constituent, help adjusting flexibly the calcining jar, determine the height of calcining zone according to predetermined temperature curve along the temperature distribution on the height.
4, owing to increased the height of calcining zone, can improve the burning quality of material.At high temperature the incinerating time one regularly can suitably increase discharge velocity, the output of raising tank type carbon calciner to material.
5, when the volatile content of raw material increases, unnecessary fugitive constituent can be entered lower floor's quirk and discharge potential safety hazard and the workshop condition pollution of avoiding unnecessary fugitive constituent when the furnace roof face is discharged, to cause by exit flue.
6, help adjusting the temperature that improves stove limit portion quirk, improve the calcining temperature of rim charge jar, burnt quality is uniform and stable after guaranteeing to forge.
7, the reasonable setting of preheated air passage and fugitive constituent passage helps making full use of of fugitive constituent, helps realizing not having the extra fuel calcining fully, meets the principle of energy-saving and emission-reduction.
Solved fugitive constituent in the tank type carbon calciner production process can only be introduced burning from which floor limited quirk, limited the height of calcining zone the calcining jar, the further raising, the fugitive constituent that have influenced the calcining petroleum coke quality can not get utilizing to greatest extent, can't introduce when the fugitive constituent output increases flue and discharge and scurry that boiler face burns, worsened the boiler face operational condition, furnace bottom preheated air amount is little, the furnace bottom cooling performance is poor, the preheated air intake is few and problem such as UTILIZATION OF VESIDUAL HEAT IN weak effect
Description of drawings
Fig. 1 is cooling air of the present utility model road, preheated air passage, the fugitive constituent passage structural representation corresponding to tank type carbon calciner quirk position.
Fig. 2 is cooling air of the present utility model road, preheated air passage, fugitive constituent passage are calcined jar position corresponding to tank type carbon calciner a structural representation.
Among the figure, 1, body of heater; 2, stove steel construction; 3, charging opening; 4, calcining jar; 5, quirk; 6, cooling air channels; 7, cooling air channels import; 8, wall behind the stove; 9, stove base plate; 10, bottom calcining jar; 11, stove front wall; 12, preheated air passage; 13, preheated air compiles structure; 14, preheated air dispensing orifice; 15, preheated air is adjusted and controlled; 16, fugitive constituent passage; 17, stove top masonry; 18, furnace roof fugitive constituent channel architecture; 19, fugitive constituent dispensing orifice; 20, fugitive constituent is adjusted and controlled; 21, watercooling jacket; 22, gather flue; 23, branch flue; 24, cover brick sealed structure.
Embodiment
Below embodiment of the present utility model is described in detail in conjunction with the accompanying drawings, but protection domain of the present utility model is not limit by embodiment.
As depicted in figs. 1 and 2, a kind of calcining furnace fugitive constituent and preheated air passage structure, comprise body of heater 1, wall 8 behind the stove, stove front wall 11, cooling air channels 6, fugitive constituent passage 16 and preheated air passage 12, body of heater 1 is built by laying bricks or stones on ad hoc stove steel construction 2, cooling air channels 6 is located at the bottom of body of heater 1, preheated air passage 12 is located in stove front wall 11 masonries, preheated air passage 12 compiles structure 13 by preheated air and is communicated with cooling air channels 6, preheated air passage 12 is provided with preheated air dispensing orifice 14, and preheated air dispensing orifice 14 communicates with quirk 5.Fugitive constituent passage 16 is located at behind the stove in wall 8 masonries, is provided with fugitive constituent dispensing orifice 19 in the fugitive constituent passage 16, and fugitive constituent dispensing orifice 19 communicates with quirk 5, and fugitive constituent passage 16 communicates with furnace roof fugitive constituent channel architecture 18; Fugitive constituent passage 16 intakes are located at the outside of bottom quirk 5; It is adjusted and controlled 20 that fugitive constituent passage 16 is provided with fugitive constituent, and fugitive constituent adjusted and controlled 20 is a pulling plate brick; The cross-sectional shape of fugitive constituent passage 16 is a rectangle, and its size dimension scope is 50～500mm; The quantity of fugitive constituent dispensing orifice 19 is identical with the number of plies of quirk 5.It is adjusted and controlled 15 that preheated air passage 12 is provided with preheated air, and preheated air adjusted and controlled 15 is a pulling plate brick; The quantity of preheated air dispensing orifice 14 is identical with the number of plies of quirk 5.The preheated air intake of preheated air passage 12 is located at the outside of first floor quirk 5; The cross-sectional shape of preheated air passage 12 is rectangle, circle or Polygons, and the size range of its diameter or the length of side is 60～500mm; Every preheated air passage 12 is arranged between two branch flues 23; The top preheated air passage 12 that preheated air compiles structure 13 is provided with cover brick sealed structure 24 with branch flue 23 infalls, and cover brick sealed structure 24 is built by laying bricks or stones for composite profile refractory brick and formed.Cooling air channels 6 is no reentrant pathway, and the cross-sectional shape of cooling air channels 6 is rectangle, circle or Polygons, and the size range of its diameter or the length of side is 60～500mm; Cooling air channels 6 is combined by the tubulose special shaped brick, and cooling air channels 6 blast inlets are located on the back wall lower surface of stove; The air outlet of the cooling air channels 6 of furnace bottom is 90 ° with preheated air passage 12 and is connected in stove front wall 11 masonries.
Principle of work of the present utility model: when stove moves, refinery coke is rendered to the calcining jar 4 from the charging opening 3 that is located at the furnace roof face, be located at the quirk 5 of calcining jar 4 both sides, the heat that produces by burning is calcined the refinery coke in jar 4 and the jar; The bottom of body of heater 1 is provided with cooling air channels 6, and cooling air channels import 7 is located at the bottom of wall 8 behind the stove, is used for cool furnace daughter backplane 9 and bottom calcining jars 10; Be provided with preheated air passage 12 at stove front wall 11, preheated air passage 12 is connected with the cooling air road 6 of stove bottom; Preheated air enters pre-air passageways 12, is assigned in each layer quirk by preheated air dispensing orifice 14, and the preheated air amount that enters each layer quirk is subjected to adjusted and controlled 15 controls of preheated air; All preheated air passages 12 all are arranged between two branch flues 23, leak in the flue in order to prevent preheated air, when preheated air passage passes through two branch flue gaps, have adopted cover brick sealed structure 24; Wall 8 is provided with fugitive constituent passage 16 behind stove, and fugitive constituent passage 16 is connected with furnace roof fugitive constituent channel architecture 18 in being located at stove top masonry 17; Enter the fugitive constituent of fugitive constituent passage 16, be assigned in each layer quirk by fugitive constituent dispensing orifice 19, the volatilization deal that enters each layer quirk is subjected to adjusted and controlled 20 controls of fugitive constituent; Unnecessary fugitive constituent can be introduced lowest layer quirk by the fugitive constituent dispensing orifice 19 of bottom, enters and gathers flue 22.In tank type carbon calciner calcined petroleum coke process, refinery coke is calcined in the jar 4 by charging opening 3 continuous inputs, through the calcining of certain hour, enters watercooling jacket 21 continuously from the bottom of calcining jar again, and is burnt after forging from the watercooling jacket discharge at last.
Claims (22)
1, a kind of calcining furnace fugitive constituent and preheated air passage structure, comprise wall behind body of heater, the stove, stove front wall, cooling air channels, fugitive constituent passage and preheated air passage, it is characterized in that cooling air channels is located at the bottom of body of heater, preheated air passage is located in the preceding walling of stove, preheated air passage compiles structure by preheated air and is communicated with cooling air channels, preheated air passage is provided with the preheated air dispensing orifice, and the preheated air dispensing orifice communicates with quirk; The fugitive constituent passage is located at behind the stove in the walling, is provided with the fugitive constituent dispensing orifice in the fugitive constituent passage, and the fugitive constituent dispensing orifice communicates with quirk.
2, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that described fugitive constituent passage communicates with furnace roof fugitive constituent channel architecture.
3, calcining furnace fugitive constituent according to claim 2 and preheated air passage structure is characterized in that described fugitive constituent passage intake is located at the outside of bottom quirk.
4, according to claim 1 or 3 described calcining furnace fugitive constituent and preheated air passage structures, it is adjusted and controlled to it is characterized in that described fugitive constituent passage is provided with fugitive constituent, and fugitive constituent is adjusted and controlled to be pulling plate brick.
5, calcining furnace fugitive constituent according to claim 4 and preheated air passage structure, the cross-sectional shape that it is characterized in that described fugitive constituent passage is a rectangle.
6, calcining furnace fugitive constituent according to claim 4 and preheated air passage structure, the size dimension scope that it is characterized in that described fugitive constituent passage is 50～500mm.
7, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that the quantity of described fugitive constituent dispensing orifice is identical with the number of plies of quirk.
8, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure, it is adjusted and controlled to it is characterized in that described preheated air passage is provided with preheated air.
9,, it is characterized in that described preheated air is adjusted and controlled for pulling plate brick according to claim 1 or 8 described calcining furnace fugitive constituent and preheated air passage structures.
10, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that the quantity of described preheated air dispensing orifice is identical with the number of plies of quirk.
11, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that the preheated air intake of described preheated air passage is located at the outside of first floor quirk.
12, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that described preheated air passage cross-sectional shape is rectangle, circle or Polygons.
13, calcining furnace fugitive constituent according to claim 12 and preheated air passage structure is characterized in that the diameter of described preheated air passage or the size range of the length of side are 60～500mm.
14, according to Claim 8,11,12 or 13 described calcining furnace fugitive constituent and preheated air passage structures, it is characterized in that described every preheated air passage is arranged between two branch flues.
15, calcining furnace fugitive constituent according to claim 14 and preheated air passage structure is characterized in that described preheated air compiles the top preheated air passage of structure and the branch flue infall is provided with cover brick sealed structure.
16, calcining furnace fugitive constituent according to claim 15 and preheated air passage structure is characterized in that described cover brick sealed structure is built by laying bricks or stones for composite profile refractory brick to form.
17, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that described cooling air channels is no reentrant pathway.
18, according to claim 1 or 17 described calcining furnace fugitive constituent and preheated air passage structures, the cross-sectional shape that it is characterized in that described cooling air channels is rectangle, circle or Polygons.
19, calcining furnace fugitive constituent according to claim 18 and preheated air passage structure is characterized in that the diameter of described cooling air channels or the size range of the length of side are 60～500mm.
20, calcining furnace fugitive constituent according to claim 18 and preheated air passage structure is characterized in that described cooling air channels is combined by the tubulose special shaped brick, and the cooling air channels blast inlet is located on the back wall lower surface of stove.
21, calcining furnace fugitive constituent according to claim 18 and preheated air passage structure, the air outlet that it is characterized in that the cooling air channels of described furnace bottom is 90 ° with preheated air passage in the walling and is connected before stove.
22, calcining furnace fugitive constituent according to claim 1 and preheated air passage structure is characterized in that the bottom of wall is provided with the cooling air channels import behind the described stove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202202385U CN201313819Y (en) | 2008-12-03 | 2008-12-03 | Volatile matter and preheated air channel structure of calciner |
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| Application Number | Priority Date | Filing Date | Title |
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| CNU2008202202385U CN201313819Y (en) | 2008-12-03 | 2008-12-03 | Volatile matter and preheated air channel structure of calciner |
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| CN201313819Y true CN201313819Y (en) | 2009-09-23 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086348A (en) * | 2011-11-01 | 2013-05-08 | 沈阳铝镁设计研究院有限公司 | Countercurrent-tank-type calcining furnace |
| CN103615903A (en) * | 2013-12-19 | 2014-03-05 | 潍坊联兴新材料科技股份有限公司 | Water-cooling hearth plate of petroleum coke tank-type calcining furnace |
| CN103615902A (en) * | 2013-12-19 | 2014-03-05 | 山东理工大学 | Water-cooling type hearth plate of petroleum coke tank-type calcining furnace |
| CN103851903A (en) * | 2012-11-28 | 2014-06-11 | 沈阳铝镁设计研究院有限公司 | Volatile matter channel for pot type calcining furnace |
| CN104132542A (en) * | 2014-05-29 | 2014-11-05 | 山东宇佳新材料有限公司 | Petroleum coke calcinator |
| CN104129998A (en) * | 2014-05-29 | 2014-11-05 | 山东宇佳新材料有限公司 | Petroleum coke calcination comprehensive utilization technology |
| WO2016037583A1 (en) * | 2014-09-10 | 2016-03-17 | 中铝国际工程股份有限公司 | Pot furnace for low-temperature calcination of petroleum coke |
| CN109424972A (en) * | 2017-08-28 | 2019-03-05 | 沈阳铝镁设计研究院有限公司 | A kind of pot type burner exit flue |
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2008
- 2008-12-03 CN CNU2008202202385U patent/CN201313819Y/en not_active Expired - Lifetime
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103086348B (en) * | 2011-11-01 | 2015-11-04 | 沈阳铝镁设计研究院有限公司 | Countercurrent pot-type calcining furnace |
| WO2013063867A1 (en) * | 2011-11-01 | 2013-05-10 | 中铝国际工程股份有限公司 | Counterflow tank-type calcine furnace |
| RU2601019C2 (en) * | 2011-11-01 | 2016-10-27 | Чайна Элюминум Интернэшнл Инджиниринг Корпорейшн Лимитед | Counterflow calcination furnace of chamber type |
| CN103086348A (en) * | 2011-11-01 | 2013-05-08 | 沈阳铝镁设计研究院有限公司 | Countercurrent-tank-type calcining furnace |
| CN103851903A (en) * | 2012-11-28 | 2014-06-11 | 沈阳铝镁设计研究院有限公司 | Volatile matter channel for pot type calcining furnace |
| CN103851903B (en) * | 2012-11-28 | 2016-06-29 | 沈阳铝镁设计研究院有限公司 | A kind of can-type calcine furnace fugitive constituent passage |
| CN103615902A (en) * | 2013-12-19 | 2014-03-05 | 山东理工大学 | Water-cooling type hearth plate of petroleum coke tank-type calcining furnace |
| CN103615902B (en) * | 2013-12-19 | 2015-01-28 | 山东理工大学 | Water-cooling type hearth plate of petroleum coke tank-type calcining furnace |
| CN103615903B (en) * | 2013-12-19 | 2015-05-27 | 潍坊联兴新材料科技股份有限公司 | Water-cooling hearth plate of petroleum coke tank-type calcining furnace |
| CN103615903A (en) * | 2013-12-19 | 2014-03-05 | 潍坊联兴新材料科技股份有限公司 | Water-cooling hearth plate of petroleum coke tank-type calcining furnace |
| CN104129998A (en) * | 2014-05-29 | 2014-11-05 | 山东宇佳新材料有限公司 | Petroleum coke calcination comprehensive utilization technology |
| CN104132542A (en) * | 2014-05-29 | 2014-11-05 | 山东宇佳新材料有限公司 | Petroleum coke calcinator |
| WO2016037583A1 (en) * | 2014-09-10 | 2016-03-17 | 中铝国际工程股份有限公司 | Pot furnace for low-temperature calcination of petroleum coke |
| US10371446B2 (en) | 2014-09-10 | 2019-08-06 | China Aluminum International Engineering Corporation Limited | Pot furnace for calcining petroleum coke at low temperature |
| CN109424972A (en) * | 2017-08-28 | 2019-03-05 | 沈阳铝镁设计研究院有限公司 | A kind of pot type burner exit flue |
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| CP01 | Change in the name or title of a patent holder |
Address after: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee after: Shenyang Aluminum & Magnesium Engineering & Research Institute Co., Ltd. Address before: 110001 Heping Street, Heping District, Liaoning, Shenyang, No. 184 Patentee before: Shenyang Aluminium and Magnesium Design Institute |
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| CX01 | Expiry of patent term |
Granted publication date: 20090923 |
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| CX01 | Expiry of patent term |