CN109489418A - Reduce the can-type calcine furnace of carbon loss - Google Patents
Reduce the can-type calcine furnace of carbon loss Download PDFInfo
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- CN109489418A CN109489418A CN201811392016.6A CN201811392016A CN109489418A CN 109489418 A CN109489418 A CN 109489418A CN 201811392016 A CN201811392016 A CN 201811392016A CN 109489418 A CN109489418 A CN 109489418A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/04—Crucible or pot furnaces adapted for treating the charge in vacuum or special atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
- F27D15/02—Cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/0806—Charging or discharging devices
- F27B2014/0818—Discharging
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B2014/0837—Cooling arrangements
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D7/00—Forming, maintaining, or circulating atmospheres in heating chambers
- F27D7/04—Circulating atmospheres by mechanical means
- F27D2007/045—Fans
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Tunnel Furnaces (AREA)
Abstract
The invention discloses a kind of can-type calcine furnaces for reducing carbon loss, including calcining furnace body, the feed inlet being connected, calcining chamber and drainage line are disposed on calcining furnace body from top to bottom, cooling jacket is provided in drainage line, the multilayer quirk that indirect heating is carried out for calcining chamber is additionally provided on calcining furnace body, drainage line includes be connected first segment and second segment, and second segment is connected with calcining chamber and is provided with cooling jacket；It is communicated with the first collateral pipeline on first segment, is provided with the first blower on the first collateral pipeline；First blower is used to extract gas or supplying nitrogen or inert gas into first segment out of first segment.The can-type calcine furnace provided by the invention for reducing carbon loss, air or input nitrogen or inert gas are extracted close to extraneous first segment in drainage line, so a distance piece is formed in discharge gate, prevent air from entering the inside of drainage line, it reduces oxidation and generates carbon loss amount, carbon loss amount can be reduced to 1%-2% by 2%-3% in actual motion.
Description
Technical field
The present invention relates to Chemical Engineering Technologies, and in particular to a kind of can-type calcine furnace for reducing carbon loss.
Background technique
Due to having many advantages, such as that heating time is long, it is abundant to be heated, can-type calcine furnace is currently that the petroleum coke of China's mainstream is forged
Equipment is burnt, indirect high-temperature calcination is carried out to intracavitary petroleum coke is calcined by multilayer (generally 6-10 layers) quirk.
When calcining, raw material is slowly moved down in calcining furnace body, folding process by the top feed of calcining furnace body by gravity
The middle high-temperature calcination for receiving 1200-1300 degrees Celsius of highest, final product are discharged by the discharge gate of calcining bottom of furnace body,
Temperature 200-300 degree of discharge gate inside region or so.Due to calcination process and extraneous isolation completely, the prior art carbon loss
Smaller, general control is most of between 2%-3% within 5%, and the main reason for generation carbon loss is in the prior art,
Partial air invades the inside of discharge gate, and the temperature of petroleum coke is still higher at this time, and carbon loss occurs in the petroleum coke oxidation of high temperature.
It is, although the carbon loss of petroleum coke production is smaller, still there is further drop in place of the deficiencies in the prior art
Low leeway, the prior art do not take corresponding reduction measure.
Summary of the invention
The object of the present invention is to provide a kind of can-type calcine furnaces for reducing carbon loss, with the above-mentioned deficiency in solution technology
Place.
To achieve the goals above, the invention provides the following technical scheme:
A kind of can-type calcine furnace reducing carbon loss, including furnace body is calcined, it is set gradually from top to bottom on the calcining furnace body
There are the feed inlet being connected, calcining chamber and drainage line, is provided with cooling jacket, the calcining furnace body in the drainage line
On be additionally provided with for it is described calcining chamber carry out indirect heating multilayer quirk, it is described calcining furnace body it is upper in it is described calcining chamber bottom
Portion is provided with preheated air road, and multiple adjusting pulling plates are provided on quirk described in multilayer and its inlet channel；
The drainage line includes that connected first segment and second segment, the second segment are connected and are provided with the calcining chamber
The cooling jacket；
It is communicated with the first collateral pipeline on the first segment, is provided with the first blower on the first collateral pipeline；
First blower is used to extract gas or the supplying nitrogen or lazy into the first segment out of described first segment
Property gas.
Above-mentioned can-type calcine furnace is provided with multiple resistance materials protrusions on the inner wall of the drainage line.
Above-mentioned can-type calcine furnace, resistance material protrusion described at least one of which are inclined plate, the pipe of the first collateral pipeline
Road junction be arranged in the inner wall structure of the inclined plate and the first segment at wedge shape space in.
Above-mentioned can-type calcine furnace further includes strainer, the affixed inclined plate in edge and described first of the strainer setting
The inner wall of section.
Above-mentioned can-type calcine furnace, is provided with refrigeration mechanism on the first collateral pipeline, and first blower is to described
Supplying nitrogen or inert gas in first segment.
Above-mentioned can-type calcine furnace is evenly arranged with multiple stomatas, first side branch in the circumferential direction of the first segment
Road is connected with each stomata one by one respectively by multiple branch pipe(tube)s.
Above-mentioned can-type calcine furnace, is also connected with second side branch pipe(tube) on the first segment, on second side branch pipe(tube)
It is provided with the second blower；
One of the first collateral pipeline and second side branch pipe(tube) be used for supplying nitrogen in described one section or
Inert gas, another one is for extracting gas out of described first segment.
Above-mentioned can-type calcine furnace, the gas flow extracted out of described first segment are the gas conveyed into the first segment
Less than half of amount.
In the above-mentioned technical solutions, the can-type calcine furnace provided by the invention for reducing carbon loss, in drainage line close to outer
The first segment on boundary extracts air or input nitrogen or inert gas, so forms a distance piece in discharge gate, prevents air
Into the inside of drainage line, reduces oxidation and generate carbon loss amount, can be reduced to carbon loss amount by 2%-3% in actual motion
1%-2%.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only one recorded in the present invention
A little embodiments are also possible to obtain other drawings based on these drawings for those of ordinary skill in the art.
Fig. 1 is the structural schematic diagram of the can-type calcine furnace provided in an embodiment of the present invention for reducing carbon loss；
Fig. 2 is the structural schematic diagram of the first segment of drainage line provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram provided in an embodiment of the present invention for adjusting pulling plate and driving handle；
Fig. 4 is the structural schematic diagram of driving handle provided in an embodiment of the present invention and reciprocating dynamic seal mechanism.
Description of symbols:
1, furnace body is calcined；2, feed inlet；3, drainage line；3.1, first segment；3.2, second segment；4, quirk；5, preheating is empty
Air flue；6, pulling plate is adjusted；7, cooling jacket；8, the first collateral pipeline；9, the first blower；10, resistance material protrusion；11, strainer；12,
Refrigeration mechanism；13, second side branch pipe(tube)；14, the second blower；15, driving handle；16, reciprocating dynamic seal mechanism；17, heat-insulated fixation
Seat；18, driving assembly.
Specific embodiment
In order to make those skilled in the art more fully understand technical solution of the present invention, below in conjunction with attached drawing to this hair
It is bright to be further detailed.
The can-type calcine furnace for the reduction carbon loss that various embodiments of the present invention provide, related calcining furnace body 1, are forged feed inlet 2
Corresponding construction in the prior art can be referred to by burning the structures such as chamber, quirk 4.Wherein, quirk 4 is used for volatile matter and/or coal gas
Burning, quirk 4 at least have at least one inlet channel, inlet channel be used for into quirk 4 convey volatile matter, coal gas and
Air is provided with multiple adjusting pulling plates 6, wherein be used in order to which combustion process is adjusted on quirk 4 and its inlet channel
The adjusting pulling plate 6 for adjusting volatile matter charge flow rate is volatile matter pulling plate, is air pulling plate for adjusting air inlet amount.More than
Structure can refer to the prior art, and the present embodiment does not repeat its specific structure.
As shown in Figs. 1-2, a kind of can-type calcine furnace reducing carbon loss provided in an embodiment of the present invention, including calcining furnace body 1,
The feed inlet 2 being connected, calcining chamber and drainage line 3, the discharge are disposed on the calcining furnace body 1 from top to bottom
It is provided with cooling jacket 7 on pipeline 3, the multilayer for carrying out indirect heating for the calcining chamber is additionally provided on the calcining furnace body 1
Quirk 4, it is described calcining furnace body 1 on be located at it is described calcining chamber bottom be provided with preheated air road 5, quirk 4 described in multilayer and its
Multiple adjusting pulling plates 6 are provided on inlet channel；The drainage line 3 includes be connected first segment 3.1 and second segment 3.2, institute
Second segment 3.2 is stated to be connected with the calcining chamber and be provided with the cooling jacket 7；The first side is communicated on the first segment 3.1
Branch pipe(tube) 8 is provided with the first blower 9 on the first collateral pipeline 8；First blower 9 is used for out of described first segment 3.1
Extract gas or supplying nitrogen or inert gas into the first segment 3.1.
Specifically, calcining raw material by feed inlet 2 enter calcining chamber, by quirk 4 burn generate high temperature to calcining chamber into
To calcine, the petroleum coke generated after calcining is discharged row indirect heating by drainage line 3, and drainage line 3 includes two sections,
In, first segment 3.1 is one section far from calcining furnace body 1, and second segment 3.2 is one section be connected directly with calcining furnace body 1, and is set
Be equipped with one section of cooling jacket 7 namely petroleum coke calcined by calcining cavity after discharge when, drop event first falls into second segment
3.2 are cooled down, and are discharged using first segment 3.1, and a first collateral pipeline is arranged in the present embodiment on first segment 3.1
8, the first blower 9 is provided on the first collateral pipeline 8, for the first blower 9 according to the difference in direction when assembly, function is different, effect
Difference, the effect played also have different place, and one is positive assembly, are at this time ventilation blower for the first blower 9, are used to pass through
First collateral pipeline 8 supplying nitrogen or inert gas into first segment 3.1, in this way operation obtain three effects: to discharge
Petroleum coke carry out it is cooling, prevent the gas on the outside of discharge line from entering second segment 3.2 to aoxidize petroleum coke and first
Section 3.1 forms not oxygenous or relatively low oxygen content environment, reduces the oxidation carbon loss of petroleum coke in first segment 3.1
Amount.Secondly being reverse-fitting, the first blower 9 is exhaust fan at this time, and its role is to pass through the first collateral pipeline 8 from first segment
Air are extracted in 3.1, operation in this way obtains two effects: cool down by petroleum coke of the swiftly flowing gas to discharge,
And prevent the gas on the outside of discharge line from entering second segment 3.2 and petroleum coke is aoxidized, so reduce stone in second segment 3.2
The oxidation carbon loss amount of oil coke.Obvious, the technical effect for inputting nitrogen or inert gas is more preferable, not only more one beneficial effects
Fruit, and realized in terms of other beneficial effects more thorough.
The can-type calcine furnace provided by the invention for reducing carbon loss, is extracted in drainage line 3 close to extraneous first segment 3.1
Air or input nitrogen or inert gas, so form a distance piece in discharge gate, prevent air from entering drainage line 3
Inside reduces oxidation and generates carbon loss amount, carbon loss amount can be reduced to 1%-2% by 2%-3% in actual motion.
In another embodiment provided by the invention, further, multiple resistances are provided on the inner wall of the drainage line 3
Material protrusion 10, resistance material protrusion 10 are lug boss, such as columnar, dotted, strip or plate protrusion, its role is to,
The speed for delaying petroleum coke to fall extends residence time of the petroleum coke in drainage line 3, it is right so to improve drainage line 3
Its cooling effect, in addition one attached technical effect of bring is caused by reducing 3 inside of petroleum coke shock discharge pipeline
Abrasion, so that the replacing construction of drainage line 3 becomes longer.
Further, the protrusion of resistance material described at least one of which 10 is inclined plate, the pipeline opening of the first collateral pipeline 8
Be arranged in the inner wall structure of the inclined plate and the first segment 3.1 at wedge shape space in namely inclined plate and first segment 3.1 it is interior
Wall forms a wedge-shaped space namely section is triangle or subtriangular structure, the first collateral pipeline 8
Pipeline opening is located in the wedge shape space, namely positioned at the lower section of inclined plate, is shrouded by inclined plate, and the effect being designed in this way is to prevent
When exhausting, partial material is drawn into the first collateral pipeline 8 and is resulted in blockage.
It further, further include strainer 11, the affixed inclined plate in edge and the first segment that the strainer 11 is arranged
3.1 inner wall, for strainer 11 for preventing the dust of high temperature to be adsorbed in the first blower 9, high-temperature dust will lead to the first blower 9
Service life significantly reduce.
In further embodiment provided by the invention, further, refrigeration mechanism is provided on the first collateral pipeline 8
12, first blower 9 supplying nitrogen or inert gas into the first segment 3.1, refrigeration mechanism 12 is for reducing conveying
The temperature of gas, so can more efficiently cooling of the realization to petroleum coke, refrigeration mechanism 12 is the mechanism that gas cools down,
Such mechanism is numerous in the prior art, and such as air-conditioning system, the present embodiment does not repeat one by one.
In further embodiment provided by the invention, it is preferred that be evenly arranged in the circumferential direction of the first segment 3.1 multiple
Stomata, the first collateral pipeline 8 are connected one by one with each stomata respectively by multiple branch pipe(tube)s, both no matter were evacuated or blew
Gas is all uniformly blown or is evacuated to first segment 3.1 by multiple stomatas, so prevents regional area from concentrating and blows or take out
Gas, so that pumping or the effect played of blowing are more preferable.
In further embodiment provided by the invention, further, the second side branch is also connected on the first segment 3.1
Road 13 is provided with the second blower 14 on second side branch pipe(tube) 13；The first collateral pipeline 8 and second side branch pipe(tube)
One of 13 for supplying nitrogen or inert gas in described one section, another one out of described first segment 3.1 for extract
Gas after such setting, thoroughly forms the isolation section formed by nitrogen or inert gas, drainage conduit in first segment 3.1
The gas in 3 outside of road at all can not be thoroughly synchronous to realize following three technical effects: to the petroleum of discharge by the isolation section
Coke carry out it is cooling, prevent the gas on the outside of discharge line from entering second segment 3.2 to aoxidize petroleum coke and in first segment
3.1 form not oxygenous environment, reduce the oxidation carbon loss amount of petroleum coke in first segment 3.1.And it is even more important, it can be with
Wind speed by adjusting two blowers adjusts cooling efficiency can be by improving herein when the dump temperature of petroleum coke is excessively high
Wind speed is made up.
Further, the gas flow extracted out of described first segment 3.1 is the gas conveyed into the first segment 3.1
Less than half of amount, in this way, part nitrogen or inert gas can be discharged to the external world by first segment 3.1, so that entire first segment
3.1 are completely in the atmosphere of nitrogen or inert gas, and cooling and prevention oxidation effect is more thorough.
Further, being located at for supplying gas for pumping in the first collateral pipeline 8 and second side branch pipe(tube) 13
Side, the flowing that such nitrogen or inert gas are extracted is formed and the movement travel of petroleum coke is on the contrary, petroleum coke moves downward, nitrogen
Gas or inert gas move upwards, the two reverse movement, and cooling effect is more preferable.
As shown in Figure 3-4, in yet another embodiment of the invention, further, each one end for adjusting pulling plate 6 is connected with driving handle
15, it calcines and is provided with an adjustment hole on furnace body 1, the middle part of driving handle 15 is located in the adjustment hole, i.e. one end of driving handle 15
Positioned at calcining furnace body 1 outside, one end be located at calcining furnace body 1 inside and with adjust 6 Joint of pulling plate.The present embodiment it is another
Innovative point is that respectively one driving assembly 18 of setting drives automatically to realize for each adjusting pulling plate 6 and driving handle 15, driving assembly
18 driving and drive mechanism for straight reciprocating motion, the movement are that dynamic machinery field the most typically moves, provide motive power
Mechanical-hydraulic oil cylinder, motor, engine etc., be directly connected to driving handle 15 to realize that the drive mechanism moved back and forth is such as bent
Handle slide block mechanism, gear and rack teeth mechanism, push cam mechanism, oblique mechanism, cam mechanism etc., are the prior art, and be
The common knowledge of motivation tool, does not repeat one by one.The automatic control to the reciprocating motion of pulling plate 6 is adjusted so can be realized.
Preferably, driving assembly 18 is fluid power system, and fluid power system includes fuel tank and by pipeline and institute
State the connected oil pump of fuel tank；Driving assembly 18 further includes hydraulically extensible cylinder and drive rod, and the oil pump is used to be each described hydraulic
Flexible oil supply cylinder, the housing into rotation of the hydraulically extensible cylinder are connected on a fixed pedestal, and one end of the drive rod, which rotates, to be connected
It is connected on the telescopic rod of the hydraulically extensible cylinder, the other end of the drive rod is rotationally connected on the driving handle 15, so
The structure of similar link mechanism is integrally formed in hydraulically extensible cylinder, drive rod and driving handle 15, when hydraulically extensible cylinder stretches
When, hydraulically extensible cylinder and drive rod are forced to rotate to drive driving handle 15 to move back and forth.
Optionally, the end of the telescopic rod of hydraulically extensible cylinder is connected directly by connector with driving handle 15, driving handle 15
It is on same straight line with telescopic rod, the flexible of the telescopic rod of such hydraulically extensible cylinder directly drives driving handle 15 to move back and forth.
The advantages of hydraulic system is arranged is that the driving to all driving assemblies 18 can be realized in single oil pump, is not necessarily to each driving group
A motive power part such as motor is separately provided in part 18.
Can-type calcine furnace provided in an embodiment of the present invention, the one end for adjusting pulling plate 6 is extended to by a driving handle 15 forges
The outside for burning furnace body 1 is realized to driving handle 15 and is adjusted the automatic driving of pulling plate 6 by driving assembly 18, so realizes and exchange
The automatic control for saving pulling plate 6, not only eliminates manpower, but also temperature sensor can be cooperated to realize that automatic intelligence in real time is adjusted
Section.
In another embodiment provided by the invention, further, the driving handle 15 passes through reciprocating dynamic seal mechanism 16
Be slidably connected on the calcining furnace body 1, setting reciprocating dynamic seal mechanism 16 realize it is heat-insulated, reduce by being passed inside calcining furnace body 1
It is delivered to the heat in outside.Shaped packing seal structure, packing box seal structure or expansion ring seale structure are typical reciprocal
Movable sealing structure has national standard part that can directly select, does not repeat.
Further, as shown in figure 4, a heat-insulated fixing seat 17 is arranged on the outer wall of calcining furnace body 1, such as by heat-insulated
The block of material manufacture, opens up slot or hole in heat-insulated fixing seat 17, reciprocating dynamic seal mechanism 16 is installed in the hole or slot, so
It has the advantage that, the temperature calcined in furnace body 1 is higher, the service life when setting of reciprocating dynamic seal mechanism 16 is internal to its
It is shorter, it needs frequently to be replaced, and a heat-insulated fixing seat 17 is additionally set on the outer wall of calcining furnace body 1, both realized
It moves back and forth, and greatly reduces the temperature of 16 present position of reciprocating dynamic seal mechanism, prolong its service life.
In the prior art, in order to adapt to the high temperature in calcining furnace body 1, adjusting pulling plate 6 is silica brick, however, it will be apparent that brick material
And be not suitable for making handle structure and receive driving, elongated brick body is easy to disconnect, and it will so adjust pulling plate 6 and be set as brick,
Driving handle 15 is set as metalwork resistant to high temperature, such as heat-resisting alloy, so neither significantly improves cost, and is suitable for calcining furnace body
High temperature in 1.In further embodiment provided by the invention, further, the connecting rod and drive that the driving handle 15 is connected
Lever, such as T shape metalwork, connecting rod is horizontal component, and drive rod is vertical portion, and the connecting rod is arranged in parallel in the tune
The side for saving pulling plate 6, side is provided with multiple through holes on the adjustings pulling plate 6, each through hole pass through rope structure and
The connecting rod mutually bundlees, and rope structure such as metallic cable, fireproof line etc. passes through through hole and driven with tying up connecting rod, the driving
Bar receives the driving of driving member.The effect of such setting is, is on the one hand convenient for the connection of metalwork and brick, on the other hand,
Whole device still can be used after the fracture of single or part rope structure.
In further embodiment provided by the invention, set on the calcining furnace body 1 between the quirk 4 and cooling water channel of the bottom
Be equipped with preheated air road 5, further, the other end in preheated air road 5 is provided with pipeline, be provided on pipeline heat exchange equipment and
High temperature air in preheated air road 5 is guided to heat exchanging in heat exchange boiler as being connected with heat exchange boiler on pipeline by third blower
Water in boiler is heated, and so realizes the utilization of the thermal energy, and another of such setting is characterized by, and one is arranged on pipeline
A third blower, preferably powerful potent air-introduced machine promote wind speed by air-introduced machine, can so promote preheated air road
Air velocity in 5, air velocity are promoted, and increase heat exchange amount, namely reduce overall region locating for bottom quirk 4
The temperature of temperature namely bottom quirk 4, preheated air road 5 and cooling jacket 7 not only reduces the temperature of product in this way,
So that carbon loss becomes smaller, the service life of cooling jacket 7 is also extended.
It is above that certain exemplary embodiments of the invention are only described by way of explanation, undoubtedly, for ability
The those of ordinary skill in domain without departing from the spirit and scope of the present invention can be with a variety of different modes to institute
The embodiment of description is modified.Therefore, above-mentioned attached drawing and description are regarded as illustrative in nature, and should not be construed as to the present invention
The limitation of claims.
Claims (8)
1. a kind of can-type calcine furnace for reducing carbon loss, including furnace body is calcined, it is disposed with from top to bottom on the calcining furnace body
The feed inlet that is connected, calcining chamber and drainage line, are provided with cooling jacket in the drainage line, on the calcining furnace body
It is additionally provided with the multilayer quirk that indirect heating is carried out for the calcining chamber, the upper bottom in the calcining chamber of the calcining furnace body
It is provided with preheated air road, multiple adjusting pulling plates are provided on quirk described in multilayer and its inlet channel；
It is characterized in that,
The drainage line includes be connected first segment and second segment, and the second segment is connected with the calcining chamber and is provided with described
Cooling jacket；
It is communicated with the first collateral pipeline on the first segment, is provided with the first blower on the first collateral pipeline；
First blower is used to extract gas or supplying nitrogen or indifferent gas into the first segment out of described first segment
Body.
2. can-type calcine furnace according to claim 1, which is characterized in that be provided on the inner wall of the drainage line multiple
Resistance material protrusion.
3. can-type calcine furnace according to claim 2, which is characterized in that resistance material protrusion described at least one of which is oblique
Plate, the pipeline opening of the first collateral pipeline be arranged in the inner wall structure of the inclined plate and the first segment at wedge shape space
It is interior.
4. can-type calcine furnace according to claim 3, which is characterized in that it further include strainer, the edge of the strainer setting
The inner wall of the affixed inclined plate and the first segment.
5. can-type calcine furnace according to claim 1, which is characterized in that be provided with refrigeration machine on the first collateral pipeline
Structure, first blower supplying nitrogen or inert gas into the first segment.
6. can-type calcine furnace according to claim 1, which is characterized in that be evenly arranged in the circumferential direction of the first segment more
A stomata, the first collateral pipeline are connected with each stomata one by one respectively by multiple branch pipe(tube)s.
7. can-type calcine furnace according to claim 1, which is characterized in that be also connected with the second side branch on the first segment
Road is provided with the second blower on second side branch pipe(tube)；
One of the first collateral pipeline and second side branch pipe(tube) are used for supplying nitrogen or inertia in described one section
Gas, another one is for extracting gas out of described first segment.
8. can-type calcine furnace according to claim 7, which is characterized in that the gas flow extracted out of described first segment be to
Less than half of the gas flow conveyed in the first segment.
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| CN201811392016.6A CN109489418B (en) | 2018-11-21 | 2018-11-21 | Reduce the can-type calcine furnace of carbon loss |
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|---|---|---|---|---|
| CN101886878A (en) * | 2010-07-19 | 2010-11-17 | 索通发展有限公司 | Discharging method for tank-type calcining furnace |
| 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 |
| CN107655345A (en) * | 2017-10-30 | 2018-02-02 | 郑州诚开炉窑技术有限公司 | A kind of intelligent temperature control system and temperature control method for calcining stove |
| CN207570311U (en) * | 2017-11-24 | 2018-07-03 | 吉林炭素有限公司 | Countercurrent pot-type calcining furnace with double preheated air roads |
| CN207991291U (en) * | 2018-01-23 | 2018-10-19 | 中钢集团鞍山热能研究院有限公司 | A kind of heating-furnace implication seal apparatus |
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| CN109489418B (en) | 2019-11-26 |
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