CN106118700A - A kind of multi-cavity swinging septate heat transfer device of hot semicoke and coal - Google Patents
A kind of multi-cavity swinging septate heat transfer device of hot semicoke and coal Download PDFInfo
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- CN106118700A CN106118700A CN201610677153.9A CN201610677153A CN106118700A CN 106118700 A CN106118700 A CN 106118700A CN 201610677153 A CN201610677153 A CN 201610677153A CN 106118700 A CN106118700 A CN 106118700A
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- semicoke
- coal
- rotating cylinder
- cylinder
- heat transfer
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B53/00—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form
- C10B53/04—Destructive distillation, specially adapted for particular solid raw materials or solid raw materials in special form of powdered coal
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D11/00—Heat-exchange apparatus employing moving conduits
- F28D11/02—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller
- F28D11/04—Heat-exchange apparatus employing moving conduits the movement being rotary, e.g. performed by a drum or roller performed by a tube or a bundle of tubes
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
A kind of hot semicoke of present invention offer and the multi-cavity swinging septate heat transfer device of coal, including rotating cylinder, described rotating cylinder slant setting and feed end are higher than its discharge end；The feed end of described rotating cylinder is connected with semicoke cloth hopper, kiln head box and feed auger device in turn, and described feed auger device is connected through kiln head box with semicoke cloth hopper, and described semicoke cloth hopper is located at turn around in cylinder, and described kiln head box is provided with feeding chute；The discharge end of described rotating cylinder is connected with kiln boot and semicoke Material collecting box for harvesting in turn, and described semicoke Material collecting box for harvesting passes kiln boot in being located at turn around cylinder and stretches out, and described semicoke Material collecting box for harvesting stretches out the position connection of rotating cylinder semicoke feed box；It is additionally provided with driver on described rotating cylinder.In the present invention, semicoke and coal are passed through by different passages respectively, it is achieved septate heat transfer.After this equipment, semicoke is cooled down and is lowered the temperature, and coal is then stripped of portion of water, it is achieved that partially dried, and temperature also has certain rising simultaneously.
Description
Technical field
The invention belongs to coalification technical field, be specifically related to the multi-cavity swinging septate heat transfer dress of a kind of hot semicoke and coal
Put.
Background technology
In many modern pyrolytic process of coal systems, pyrolysis plant the semicoke temperature discharged can at 400 ~ 600 DEG C, for
Safety deposits semicoke, high efficiente callback simultaneously or utilize sensible heat contained by semicoke, for many years people carried out multiple method exploration and
Research, as used the hot blast method that reclaims of fluid bed, the water-cooled valve using vertical structure and semicoke and coal direct mixing method etc..Its
It is the highest all to there is organic efficiency in middle recovery hot blast method and water-cooled valve, reclaim the low and not convenient use of heat quality, and cooling and
The problems such as heat recovery system is the hugest, complicated.Utilize hot semicoke directly and coal mixing, first promote the temperature of coal, enter the most again
Enter pyrolysis plant and carry out the pyrolysis of coal.Although the method directly utilizes semicoke waste heat, efficiency of utilization is high, but always has one simultaneously
Divide semicoke to participate in process cycles together with pyrolyzing coal, thus increase the burden of pyrolysis kiln, have impact on the process of pyrolysis plant
Amount.To sum up state, for the comprehensive energy consumption during reduction pyrolysis of coal, promote the efficiency of pyrolytic process of coal system, more warp should be sought
Ji, efficiently utilize the new method of hot semicoke waste heat.
Summary of the invention
For the comprehensive energy consumption during overcoming for reduction pyrolysis of coal, promote the efficiency of pyrolytic process of coal system, the present invention
Proposing the multi-cavity swinging septate heat transfer device of a kind of hot semicoke and coal, use multi-cavity rotary structure, hot semicoke and coal divide
Do not passed through by different passages, it is achieved septate heat transfer.After this equipment, semicoke is cooled down and is lowered the temperature, and coal is then stripped of one
Portion of water, it is achieved that partially dried, temperature also has certain rising simultaneously.
The technical solution used in the present invention is:
A kind of multi-cavity swinging septate heat transfer device of hot semicoke and coal, including rotating cylinder, described rotating cylinder slant setting,
The feed end of described rotating cylinder is higher than its discharge end；
The feed end of described rotating cylinder is connected with semicoke cloth hopper, kiln head box and feed auger device, described feed auger in turn
Device is connected through kiln head box with semicoke cloth hopper, and described semicoke cloth hopper is located at turn around in cylinder, and described kiln head box is provided with
Feeding chute；
The discharge end of described rotating cylinder is connected with kiln boot and semicoke Material collecting box for harvesting in turn, and described semicoke Material collecting box for harvesting is located at turn around cylinder
Internal through kiln boot and stretch out, described semicoke Material collecting box for harvesting stretches out the position of rotating cylinder and connects and have semicoke feed box；Institute
State and on rotating cylinder, be additionally provided with driver.
Described rotating cylinder includes cylinder body, heat exchanger tube, point cavity plate and a stay tube；Described stay tube passes across cylinder originally
Body, and be positioned at cylinder body middle, described point of cavity plate is multiple, and be uniformly located at cylinder body internal surface and a stay tube it
Between；Described heat exchanger tube is multiple, and being positioned at cylinder, this is the most internal, the two ends of described heat exchanger tube respectively with semicoke Material collecting box for harvesting and semicoke
Cloth hopper is connected.
Described point cavity plate is four, and point cavity plate is arranged along cylinder body length direction, and is positioned at cylinder originally in 90 ° mutually
Between internal surface and a stay tube.
Described heat exchanger tube is 20 and be evenly distributed on cylinder this is the most internal.
Described heat exchanger tube is 20 and along cylinder chamber body wall periphery layered arrangement.
Described heat exchanger tube wall thickness is 2～5mm.
Described semicoke feed auger device is consistent with the centrage of rotating cylinder.
Described coal feeding chute is positioned at the top of kiln head box, and described feeding chute extends to rotating cylinder through kiln head box,
And connect with rotating cylinder.
The feed end of described rotating cylinder and the horizontal sextant angle of discharge end are 1～8 °
The feed end of described rotating cylinder and discharge end further respectively have the inlet and outlet of carrier gas, described carrier gas be nitrogen or
Oxygen deprivation flue gas.
The invention has the beneficial effects as follows:
(1) utilizing the sensible heat of hot semicoke, directly carry out being dried of coal, heat utilization efficiency is high, not only achieves being dried of coal, also realizes
Semicoke cooled.
(2) semicoke and coal walk different passage, it is to avoid both directly mixing, reduce the danger caught fire, while the most also without
Both separation and the impact on pyrolysis kiln treating capacity need to be considered.
It is further detailed below with reference to accompanying drawing.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is I-I structural representation.
Fig. 3 is II-II structural representation.
In figure, reference: 1 feed auger device；2 kiln head box；3 feeding chutes；4 semicoke cloth hoppers；5
Bearing apparatus；6 drivers；7 rotating cylinders；701 cylinder bodies；8 kiln boots；9 semicoke feed boxes；10 semicoke collection
Hopper；11 heat exchanger tubes；12 points of cavity plate；13 stay tubes.
Detailed description of the invention
Embodiment 1:
For the comprehensive energy consumption during overcoming for reduction pyrolysis of coal, promoting the efficiency of pyrolytic process of coal system, the present invention provides
A kind of hot semicoke as shown in Figure 1 and the multi-cavity swinging septate heat transfer device of coal, this device uses multi-cavity rotary structure,
Hot semicoke and coal are passed through by different passages respectively, it is achieved septate heat transfer.After this equipment, semicoke is cooled down and is lowered the temperature,
Coal is then stripped of portion of water, it is achieved that partially dried, and temperature also has certain rising simultaneously.
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke and coal, including rotating cylinder 7, described rotating cylinder 7 inclines
Tiltedly placing, the feed end of described rotating cylinder 7 is higher than its discharge end；
The feed end of described rotating cylinder 7 is connected with semicoke cloth hopper 4, kiln head box 2 and feed auger device 1, described charging in turn
Spiral organ of Corti 1 is connected through kiln head box 2 with semicoke cloth hopper 4, and described semicoke cloth hopper 4 is located at turn around in cylinder 7, described kiln head box
Feeding chute 3 it is provided with on 2；
The discharge end of described rotating cylinder 7 is connected with kiln boot 8 and semicoke Material collecting box for harvesting 10 in turn, and described semicoke Material collecting box for harvesting 10 is positioned at
Passing kiln boot 8 in rotating cylinder 7 and stretch out, described semicoke Material collecting box for harvesting 10 stretches out the position connection of rotating cylinder 7 half
Burnt feed box 9；It is additionally provided with driver 6 on described rotating cylinder 7.
In the present embodiment, the revolution of rotating cylinder 7 is realized by driver 6.The feed end of rotating cylinder 7 connects half
Burnt cloth hopper 4, kiln head box 2 and feeding chute 3.Feeding chute 3 extends to rotating cylinder 7 through kiln head box 2, is sent into back by fine coal
Each chamber in drum body 7.Feed auger device 1 is connected through kiln head box 2 with semicoke cloth hopper 4.
The discharge end of rotating cylinder 7 also couples kiln boot 8, semicoke feed box 9 and semicoke Material collecting box for harvesting 10.Semicoke Material collecting box for harvesting
10 stretch out rotating cylinder 7 is connected with semicoke feed box 9.
The operation principle of this device is as follows:
During work, from the hot semicoke of pyrolysis kiln, feed auger device 1 deliver to the semicoke cloth hopper 4 of rotating cylinder 7 head
In, respectively enter the most again in each heat exchanger tube 11.Coal to be dried, then via the feeding chute 3 on kiln head box 2 top, delivers to revolution
In each cut zone of cylinder 7.
Under the driving of driver 6, rotating cylinder 7 rotates.Owing to the feed end of rotating cylinder 7 is higher than discharge end, revolve at it
During Zhuaning, semicoke and coal progressively move to discharge end in respective passage.Meanwhile, in the process, hot semicoke is by changing
Heat pipe 11 surface conducts heat to coal to be dried so that it is intensification of being heated, and makes the evaporation removing of its contained humidity.
The water vapour of removing is gone out by discharge end C port, i.e. kiln boot 8 by the carrier gas entered by feed end A port
Mouth is discharged and is taken away.The semicoke arriving discharge end first comes together in semicoke Material collecting box for harvesting 10, then via the lower part outlet of semicoke feed box 9
It is expelled to stockyard.The moisture-free coal arriving discharge end is then derived by the discharging opening of kiln boot 8 bottom, and delivers to lower step operation.
By said apparatus, the semicoke sensible heat in pyrolytic process system can be made to be directly utilized, not only achieve semicoke
Cool, also achieve the drying and dehydrating to coal, the efficiency of process system can be effectively improved.
The present invention proposes the multi-cavity swinging septate heat transfer device of a kind of hot semicoke and coal, uses multi-cavity swinging knot
Structure, hot semicoke and coal are passed through by different passages respectively, it is achieved septate heat transfer.After this equipment, semicoke is cooled down and is dropped
Temperature, coal is then stripped of portion of water, it is achieved that partially dried, and temperature also has certain rising simultaneously.
Embodiment 2:
On the basis of embodiment 1, as in figure 2 it is shown, in the present embodiment, described rotating cylinder 7 includes cylinder body 701, changes
Heat pipe 11, point cavity plate 12 and a stay tube 13；Described stay tube 13 passes across cylinder body 701, and is positioned at cylinder body 701 and hits exactly
Between, described point of cavity plate 12 is multiple, and is uniformly located between cylinder body 701 inner surface and a stay tube 13；Described heat exchanger tube
11 is multiple, and is positioned at cylinder body 701, the two ends of described heat exchanger tube 11 respectively with semicoke Material collecting box for harvesting 10 and semicoke cloth hopper
4 are connected.
Point cavity plate 12 described in using in the present embodiment is four, and point cavity plate 12 is arranged along cylinder body 701 length direction,
And and prop up between stay tube 13 at cylinder body 701 inner surface in 90 ° mutually.
The described heat exchanger tube 11 used in the present embodiment is 20 and is evenly distributed in cylinder body 701.
Described heat exchanger tube 11 wall thickness is 2～5mm.The wall thickness of the heat exchanger tube 11 used in the present embodiment is 4mm.
A kind of hot semicoke of present invention offer and the multi-cavity swinging septate heat transfer device of coal, use multi-cavity swinging knot
Structure, hot semicoke and coal are passed through by different passages respectively, it is achieved septate heat transfer.After this equipment, semicoke is cooled down and is dropped
Temperature, coal is then stripped of portion of water, it is achieved that partially dried, and temperature also has certain rising simultaneously.
Embodiment 3:
On the basis of above-described embodiment, in the present embodiment, described heat exchanger tube 11 is 20 and along cylinder body 701 internal chamber wall
Periphery layered arrangement.The distribution situation of its heat exchanger tube 11 is different as different from Example 2, and both location modes all can meet
Heat exchange in the present invention needs.Multiple heat exchanger tubes 11 rotate in the rotation of rotating cylinder 7 together, material is thus formed multi-cavity and return
Rotatable structure, can very well and effectively be dried coal.
Described semicoke feed auger device 1 is consistent with the centrage of rotating cylinder 7.
Described coal feeding chute 3 is positioned at the top of kiln head box 2, and described feeding chute 3 extends to revolving drum through kiln head box 2
Body 7, and connect with rotating cylinder 7.
The feed end of described rotating cylinder 7 and discharge end further respectively have the inlet and outlet of carrier gas, and described carrier gas is
Nitrogen or oxygen deprivation flue gas.
Rotating cylinder 7 is by 2 groups of supporting arrangements 5 as support, and rotating cylinder 7 is provided with many group heat exchanger tubes 11, heat exchange
The two ends of pipe 11 are connected with semicoke Material collecting box for harvesting 10 and semicoke cloth hopper 4 respectively.
The operation principle of this device is as follows:
During work, from the hot semicoke of pyrolysis kiln, feed auger device 1 deliver to the semicoke cloth hopper 4 of rotating cylinder 7 head
In, respectively enter the most again in each heat exchanger tube 11.Coal to be dried, then via the feeding chute 3 on kiln head box 2 top, delivers to revolution
In each cut zone of cylinder 7.The rotating cylinder 7 being positioned on supporting arrangement 5, rotates under the driving of driver 6.Due to
The feed end of cylinder 7 is higher than discharge end, and in its rotary course, semicoke and coal progressively move to discharge end in respective passage
Dynamic.Meanwhile, in the process, hot semicoke conducts heat to coal to be dried by heat exchanger tube 11 surface so that it is intensification of being heated,
And make the evaporation removing of its contained humidity.Removing water vapour by by feed end A port enter carrier gas by discharge end C port,
The i.e. upper outlet of kiln boot 8 is discharged and is taken away.The semicoke arriving discharge end first comes together in semicoke Material collecting box for harvesting 10, then goes out via semicoke
The lower part outlet of hopper 9 is expelled to stockyard.The moisture-free coal arriving discharge end is then derived by the discharging opening of kiln boot 8 bottom, and send
To lower step operation.
This device that the present invention provides, can make the semicoke sensible heat in pyrolytic process system be directly utilized, not only real
Show cooling of semicoke, also achieved the drying and dehydrating to coal, the efficiency of process system can be effectively improved.
Embodiment 4:
On the basis of above-described embodiment, in the present embodiment, the section configuration of described rotating cylinder 7 is as it is shown on figure 3, it includes
Cylinder body 701, heat exchanger tube 11, a stay tube 13 and corresponding point of cavity plate 12 parts.Cylinder body 701 and a stay tube 13 it
Between, the most through point cavity plate 12 divide the area into 4～10 zonules.In each region, uniformly or
Having 5～20 heat exchanger tubes along cavity wall periphery layered arrangement, its wall thickness can be 2～5mm, a length of 20～40m.As required, may be used
Radially support plate is set at length direction, to strengthen the rigidity of support of heat exchanger tube.
Described semicoke feed auger device and semicoke cloth hopper connect, and the entering of each heat exchanger tube are distributed on semicoke cloth hopper
Mouthful.Hot semicoke is first sent into semicoke cloth hopper by spiral, respectively enters each heat exchanger tube the most again.
Described rotating cylinder is positioned on supporting arrangement, and is driven by driver and rotate, and rotating cylinder is along semicoke and coal
Traffic direction is divided into feed end and discharge end, and wherein feed end is higher than discharge end, the inclination angle of rotating cylinder and horizontal plane be 1～
8°.Choosing its angle tilted in the present embodiment is 5 °.
It is the passage of semicoke in described heat exchanger tube 11, the region of segmentation between cylinder body 701 and a stay tube 13, and changing
Heat pipe 11 outer portion is then the passage of coal.In cylinder body 701 turning course, owing to inclination and the rotation of rotating cylinder 7 are made
With, semicoke and coal are moved to discharge end by feed end respectively in respective passage.
Described feed end includes feed auger device 1 and feeding chute 3, wherein feed auger device 1 with in rotating cylinder 7
Heart line is consistent, and feeding chute 3 is then positioned at the top of kiln head box 2.
Described discharge end connects semicoke drawing mechanism and a coal drawing mechanism, and wherein semicoke drawing mechanism is along outside centrage
Prolonging, semicoke drawing mechanism includes semicoke Material collecting box for harvesting 10 and semicoke feed box 9.Coal drawing mechanism is then positioned at port of export kiln boot 8
Bottom, utilize end rotating cylinder 7 circumferentially upper interval arrange and be positioned at the outside discharge of perforate of kiln boot 8.
Described feed end and discharge end are additionally provided with the inlet and outlet of carrier gas, and carrier gas is entered coal by the A port of feed end
Dry channel, and discharged by the upper outlet of discharge end C port, i.e. kiln boot 8, realize dry moisture is taken out of with this.Carrier gas
Can be nitrogen or oxygen deprivation flue gas.
Each junction of described rotating cylinder 7 charging and discharging end is provided with sealing device, in case locking system leaks out, material leakage.
Sealing device is prior art, describes the most in detail.
The parts not described in detail in above-described embodiment and structure belong to well-known components and the common structure of the industry, here
Describe the most one by one.
Above example is only the illustration to the present invention, is not intended that the restriction to protection scope of the present invention,
Within the every and same or analogous design of the present invention belongs to protection scope of the present invention.
Claims (10)
1. the multi-cavity swinging septate heat transfer device of a hot semicoke and coal, it is characterised in that: include rotating cylinder (7), described
Rotating cylinder (7) slant setting, the feed end of described rotating cylinder (7) is higher than its discharge end；
The feed end of described rotating cylinder (7) is connected with semicoke cloth hopper (4), kiln head box (2) and feed auger device (1) in turn,
Described feed auger device (1) is connected through kiln head box (2) with semicoke cloth hopper (4), and described semicoke cloth hopper (4) is located at turn around cylinder
In body (7), described kiln head box (2) is provided with feeding chute (3)；
The discharge end of described rotating cylinder (7) is connected with kiln boot (8) and semicoke Material collecting box for harvesting (10), described semicoke Material collecting box for harvesting in turn
(10) passing kiln boot (8) in being located at turn around cylinder (7) and stretch out, described semicoke Material collecting box for harvesting (10) stretches out rotating cylinder
(7) position connects semicoke feed box (9)；Driver (6) it is additionally provided with on described rotating cylinder (7).
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 1 and coal, it is characterised in that: institute
State rotating cylinder (7) and include cylinder body (701), heat exchanger tube (11), point cavity plate (12) and a stay tube (13)；Described stay tube
(13) passing across cylinder body (701), and be positioned at cylinder body (701) middle, described point of cavity plate (12) is multiple, and uniformly
It is positioned between cylinder body (701) inner surface and a stay tube (13)；Described heat exchanger tube (11) is multiple, and is positioned at cylinder body
(701), in, the two ends of described heat exchanger tube (11) are connected with semicoke Material collecting box for harvesting (10) and semicoke cloth hopper (4) respectively.
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 2 and coal, it is characterised in that: institute
Point cavity plate (12) stated is four, and point cavity plate (12) is arranged along cylinder body (701) length direction, and is positioned at cylinder in 90 ° mutually
Between body body (701) inner surface and a stay tube (13).
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 2 and coal, it is characterised in that: institute
Stating heat exchanger tube (11) is 20 and in being evenly distributed on cylinder body (701).
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 2 and coal, it is characterised in that: institute
Stating heat exchanger tube (11) is 20 and along cylinder body (701) internal chamber wall periphery layered arrangement.
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 2 and coal, it is characterised in that: institute
Heat exchanger tube (11) wall thickness stated is 2～5mm.
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 1 and coal, it is characterised in that: institute
State semicoke feed auger device (1) consistent with the centrage of rotating cylinder (7).
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 1 and coal, it is characterised in that: institute
Stating coal feeding chute (3) and be positioned at the top of kiln head box (2), described feeding chute (3) extends to rotating cylinder through kiln head box (2)
(7), and with rotating cylinder (7) connect.
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 1 and coal, it is characterised in that: institute
The horizontal sextant angle of the feed end and discharge end of stating rotating cylinder (7) is 1～8 °.
The multi-cavity swinging septate heat transfer device of a kind of hot semicoke the most according to claim 1 and coal, it is characterised in that:
The feed end of described rotating cylinder (7) and discharge end further respectively have the inlet and outlet of carrier gas, described carrier gas be nitrogen or
Oxygen deprivation flue gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677153.9A CN106118700A (en) | 2016-08-17 | 2016-08-17 | A kind of multi-cavity swinging septate heat transfer device of hot semicoke and coal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677153.9A CN106118700A (en) | 2016-08-17 | 2016-08-17 | A kind of multi-cavity swinging septate heat transfer device of hot semicoke and coal |
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| CN106118700A true CN106118700A (en) | 2016-11-16 |
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ID=57279857
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610677153.9A Pending CN106118700A (en) | 2016-08-17 | 2016-08-17 | A kind of multi-cavity swinging septate heat transfer device of hot semicoke and coal |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833706A (en) * | 2017-01-22 | 2017-06-13 | 中国重型机械研究院股份公司 | A kind of close-coupled activated coke carbonization-activation device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106833706A (en) * | 2017-01-22 | 2017-06-13 | 中国重型机械研究院股份公司 | A kind of close-coupled activated coke carbonization-activation device |
| CN106833706B (en) * | 2017-01-22 | 2019-09-24 | 中国重型机械研究院股份公司 | A kind of close-coupled activated coke carbonization-activation device |
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Application publication date: 20161116 |