CN106929038B - A kind of pair of dry coke quenching auxiliary uses the red burnt method for carrying out baker - Google Patents
A kind of pair of dry coke quenching auxiliary uses the red burnt method for carrying out baker Download PDFInfo
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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
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- C10B39/02—Dry cooling outside the oven
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Abstract
A kind of pair of dry coke quenching auxiliary belongs to coking dry coke quenching process technical field using the red burnt method for carrying out baker, for carrying out baker to dry coke quenching auxiliary.Its technical solution is: carrying out nitrogen pipeline purging operation to dry coke quenching auxiliary after warm wind drying stage, then red coke is packed into coke dry quenching furnace cooling chamber, circulating fan driving circulates in Dry quenching device by the inert gas of nitrogen of main component, inert gas and red burnt progress heat convection, when high-temperature gas flows through other positions of dry coke quenching auxiliary, gradually rise its temperature, and own temperature reduces, enable heat exchange and temperature-rise period in dry coke quenching auxiliary to continue to carry out, completes baker process.The present invention can overcome the shortcomings that coke-stove gas baker, the difficulty for reducing furnace operation improves the safety of baker process, reduces the consumption of the energy during baker, guarantee that the resistance to material of dry coke quenching auxiliary and metal component heat up under controlled conditions, is safely and smoothly transferred to normal production.
Description
Technical field
The present invention relates to a kind of dry coke quenching auxiliaries for going into operation again after annual overhaul using the red burnt method for carrying out baker, belongs to
In coking dry coke quenching process technical field.
Background technique
Coke-oven plant's dry coke quenching auxiliary must carry out baker operation before going into operation again after annual overhaul before being newly constructed and put into operation and every time,
Purpose be remove coke dry quenching furnace, the moisture in disposable dust remover masonry, while by the equipment such as coke dry quenching furnace, disposable dust remover, boiler by
Room temperature uniformly, is smoothly heated to continuous production then being phased out into again, to avoid cold conditions close to the temperature normally produced
Dry quenching system, which is directly transferred to normal production, to be caused refractory material and Boiler Metallic member temperature sharply to increase and occurs irreversible
Damage, influence dry coke quenching safety and stability production.
Dry coke quenching baker is divided into two stages, i.e., is main to remove coke dry quenching furnace and disposable dust remover refractory brick marshalling moisture
The warm wind drying stage of purpose, and the coal gas baker stage to heat up as the main purpose.Wherein coal gas baker is entire baker
The critical stage of process generallys use coke-stove gas as heat medium.The advantages of carrying out baker using coke-stove gas is coke oven
Calorific value of gas height, flameholding can accurately adjust heating by the adjusting to gas volume, air capacity and air circulation
Speed.The disadvantage is that coke-stove gas is explosive, operation difficulty is big, security risk is big；Need to be arranged in coke dry quenching furnace large-scale heating
Equipment simultaneously carries out cold burnt moulding；Dismounting heating equipment will cause system temperature and sharply decline after baker；Coke-stove gas is aqueous
And the water of constitution that burning generates is unfavorable to dust-extraction unit；And baker process consumes a large amount of coke-stove gas etc..In addition, dry coke quenching fills
It sets and usually only part refractory brick marshalling is placed under repair and replaced during annual overhaul, contained humidity is well below creating into masonry
Dry coke quenching, therefore drying stage time-consuming is shorter, and the emphasis of baker is the heating period.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of pair of dry coke quenching auxiliaries to use the red burnt method for carrying out baker,
The shortcomings that this method is applied to the dry coke quenching auxiliary to go into operation again after overhaul, can overcome coke-stove gas baker reduces baker
The difficulty of operation, the safety for improving baker process, the consumption for reducing the energy during baker, guarantee the resistance to material of dry coke quenching auxiliary and
Metal component heats up under controlled conditions, is safely and smoothly transferred to normal production.
The technical solution for solving above-mentioned technical problem is:
Using the red burnt method for carrying out baker, it is carried out a kind of pair of dry coke quenching auxiliary using following steps:
(1) temperature air-dry it is dry before, cold coke is packed into coke dry quenching furnace, cold coke is filled to 1 meter of the bottom coke dry quenching furnace chute Xia Kou or less
In the coke dry quenching furnace cooling chamber at place, it is not necessary to burnt progress moulding operation cold in coke dry quenching furnace；
(2) the heat-insulated chamotte mud of one layer of diatomite is brushed on the cooling chamber metope under cold burnt top to chute between mouth；
(3) warm wind drying operation is carried out to baker；
(4) after warm wind drying stage, to dry coke quenching auxiliary carry out nitrogen pipeline purging operation, by nitrogen coke dry quenching furnace,
It is circulated in the circulation gas channel that disposable dust remover, boiler, secondary filter, secondary economizer and air duct form, with nitrogen
Oxygen present in dry coke quenching auxiliary is replaced, the oxygen content in recyclegas is made to be down to 5% hereinafter, avoiding oxygen and red coke directly
Reaction causes combustible gas component in recyclegas exceeded, can start after threatening the safety of dry coke quenching, nitrogen pipeline purging qualified red
The burnt baker stage；
(5) be intermittently packed into coke dry quenching furnace cooling chamber it is red it is burnt carry out baker, in the red burnt baker stage, with nitrogen be mainly at
The inert gas divided is under the action of circulating fan suction, in coke dry quenching furnace, disposable dust remover, boiler, secondary filter, secondary province's coal
It is circulated in the circulation gas channel of device and air duct composition, the sensible heat for the red coke that interval is packed into is absorbed in coke dry quenching furnace cooling chamber
Temperature increases afterwards, when high-temperature gas flows through other positions of dry coke quenching auxiliary, gradually rises its temperature, and own temperature drops
It is low, enable heat exchange and temperature-rise period in dry coke quenching auxiliary to continue to carry out, completes baker process.
It is above-mentioned that the red burnt method for carrying out baker, the supervisor in the red burnt baker stage of the step 5 are used to dry coke quenching auxiliary
Reason temperature is boiler inlet temperature T6, and heating rate is controlled at 10 DEG C/h；Secondary management temperature is to prestore room temperature T5, is heated up
Rate control is at 10 DEG C/h；Added Management temperature is cooling chamber upper temp T4, when the burnt interval being packed into red to determination
Between；300 DEG C, 650 DEG C and 800 DEG C three constant temperature zones are arranged in the red coke baker stage altogether.
It is above-mentioned that the red burnt method for carrying out baker, the red coke in the red burnt baker stage of the step 5 are used to dry coke quenching auxiliary
It is packed into the time interval of coke dry quenching furnace are as follows:
(1) the primary red coke of 1 small fashionable dress in initially red burnt the commitment principle, first 10 times per canned 1/4 red cokes, can after 10 times
Fill tank, red burnt point of 5 investments of every tank, filling the burnt time is no less than 10 minutes, cannot make after investment boiler inlet temperature sharply on
It rises, in case boiler drum pressure, water level fluctuate；
(2) room temperature T5, cooling chamber temperature of lower T3, cooling chamber top can be prestored according to coke dry quenching furnace by filling burnt time interval
Temperature T4 and boiler inlet temperature T6 make the appropriate adjustments；
(3) start a small amount of coke discharging after dress is 1 hour burnt, keep initial material position；
(4) boiler inlet temperature T6 temperature rise control controls temperature as auxiliary in 10 DEG C/h, cooling chamber upper temp T4,
Decline is gone to close to boiler inlet temperature heating controlling value, cooling chamber upper temp T4 by rising to boiler inlet temperature T6 temperature
It is again loaded into red coke when 25-30 DEG C of temperature when temperature stablizing burnt to higher than previous time dress, guarantees boiler inlet, coke dry quenching furnace cooling
Section slowly heating.
It is above-mentioned that dry coke quenching auxiliary is done using the red burnt method for carrying out baker when prestoring room temperature T5 at 650 DEG C or less
Putting out coke material position in furnace will be controlled always it by interval coke discharging at lower than 1 meter of mouth under chute, and red burnt and chute area is avoided
It is directly contacted with the refractory brick in annular passage area, after prestoring room temperature T5 higher than 650 DEG C, material position is sustainable to be increased to normal raw
Material position when production, is not limited to the above.
Beneficial effects of the present invention:
The present invention is the pioneering of dry coke quenching roast technic, breaches the tradition side that dry coke quenching baker carries out baker using coal gas
Method.It replaces coal gas to carry out baker using red coke, is not only fully able to achieve the effect that coal gas baker, and have significant advanced
Property, safety and economic benefit.
The present invention is compared with traditional coal gas baker, without to burnt progress moulding cold in coke dry quenching furnace, it is not necessary to install coal gas and add
Hot burner dismounts burner after eliminating baker and closes the time of manhole, avoids the sharply decline of coke dry quenching furnace temperature；Behaviour
Make simple, safety, is not in the danger of gas explosion, dust pelletizing system is not influenced；It can be kept away using drying method under cooling chamber
Exempt from red coke the chute area and annular passage area refractory brick bad with relative flimsiness in coke dry quenching furnace directly to contact, protects the two keys
The masonry at position extends the service life of dry coke quenching auxiliary to a certain extent；A large amount of cokes can also be saved using red burnt baker
Producer gas reduces baker cost.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of red burnt roast technic of the invention；
Fig. 2 is the cold burnt Level control schematic diagram of coke dry quenching furnace of the invention.
It is marked in figure as follows: coke dry quenching furnace 1, disposable dust remover 2, boiler 3, secondary filter 4, circulating fan 5, heat pipe heat exchanging
Device 6, rotary seal valve 7, belt 8, cold burnt material position line 9, air 10, it is red it is burnt be packed into 11, to dedusting earth station 12, prestore room 13,
Mouth 16 under cooling chamber 14, chute area 15, chute is brushed 17 at heat-insulated chamotte, removes disposable dust remover 18.
Specific embodiment
The present invention replaces coal gas baker after warm wind drying stage with red burnt baker, and red Jiaozhuo is heating medium, with
Main component is the inert gas of nitrogen as intermediate thermophore, is changed using inert gas and red burnt and dry coke quenching auxiliary convection current
The heat radiation of hot and red coke equably heats up to dry coke quenching auxiliary, makes dry coke quenching auxiliary temperature under controlled conditions gradually
Reach the requirement that dry coke quenching normally produces.
The method of red coke baker includes preparation, nitrogen pipeline purging and the red burnt baker three phases before baker:
(1) preparation before baker includes the loading of cold coke, the setting of coke material position and the painting of heat-insulated chamotte in coke dry quenching furnace 1
Brush.This stage must air-dry dry preceding completion in temperature.
(2) after warm wind drying stage, nitrogen pipeline purging operation is carried out to dry coke quenching auxiliary first, with nitrogen substitution line
Oxygen present in system makes the oxygen content in recyclegas be down to 5% and causes to recycle hereinafter, oxygen is avoided directly to react with red coke
Combustible gas component is exceeded in gas, threatens the safety of dry coke quenching.It can start the red burnt baker stage after nitrogen pipeline purging is qualified.
(3) in red burnt baker stage, with nitrogen inert gas as main component under the action of circulating fan suction, In
It is recycled in the circulation gas channel that coke dry quenching furnace 1, disposable dust remover 2, boiler 3, secondary filter 4, secondary economizer and air duct form
Flowing, temperature increases after the sensible heat for the red coke that interval is packed into is absorbed in coke dry quenching furnace cooling chamber 14, and high-temperature gas flows through dry coke quenching
When other positions of device, gradually rise its temperature, and own temperature reduces, and makes the heat exchange and heating in dry coke quenching auxiliary
Process can continue to carry out, and complete baker process.
The key of the method for the present invention is the selection of red burnt baker mode, is exactly cold coke material position in coke dry quenching furnace 1 specifically
Determination and Controlling principle.Distribution situation and pneumatics principle of the requirement, red coke protected according to resistance to material in coke dry quenching furnace 1,
It is carried out using the method for " drying formula under cooling chamber ".Cold coke i.e. in coke dry quenching furnace 1 is filled under 1 chute of coke dry quenching furnace 1 below 16 bottom of mouth
In coke dry quenching furnace cooling chamber 4 at rice, since the red coke of loading is in that approximation is pyramidal on furnace inner plane after distributing device cloth, with
The amount that furnace wall directly contacts is less, and the cooling along with inert gas to red coke will not damage furnace wall, it is not necessary to put out to dry
Cold burnt progress moulding operation in furnace.In view of the safety of 14 refractory brick of cooling chamber, under cold burnt top to chute between mouth 16
The heat-insulated chamotte mud of one layer of diatomite is brushed on cooling chamber metope.Due to the indifferent gas after the effect of heat buoyancy, with red burnt heat exchange
Body under the action of heat buoyancy, can part enter and prestore 13 upper space of room, and flow through the hot inert gas of annular passage under
Supreme common heating prestores 13 masonry of room, and being heated for each portion of masonry is relatively uniform, is conducive to the control of temperature and the protection of resistance to material.
When prestoring room temperature T5 at 650 DEG C or less, it will be controlled always by interval coke discharging and is being lower than by coke material position in coke dry quenching furnace 1
Under chute at 1 meter of mouth 16, the purpose is to when chute area 15 and when prestoring 13 temperature of room lower than 650 DEG C, avoid always it is red it is burnt with
The refractory brick in chute area 15 and annular passage area directly contacts, rise heat effect mainly inertia recyclegas and it is red coke and it is dry
The heat convection of coke quenching device to protect the two weak parts of masonry, while being convenient for each portion's temperature of control system；In addition
The interval coke discharging in this stage can also avoid the generation of 1 hanging of coke dry quenching furnace to a certain extent.It is higher than when prestoring room temperature T5
After 650 DEG C, material position is sustainable to be increased to material position during normal production, is not limited to the above.
The warming temperature management in red coke baker stage:
(1) the main management temperature in red burnt baker stage is boiler inlet temperature T6, and heating rate is controlled at 10 DEG C/h；
Prestoring room temperature T5 is time management temperature, and heating rate is controlled at 10 DEG C/h；Cooling chamber upper temp T4 is Added Management temperature
Degree, to the determination red burnt interval time being packed into.
(2) 300 DEG C, 650 DEG C and 800 DEG C three constant temperature zones are arranged in the red burnt baker stage altogether.
Heat up planning chart
The red burnt time interval setting for being packed into coke dry quenching furnace:
(1) the primary red coke of 1 small fashionable dress in initially red burnt the commitment principle, first 10 times per canned 1/4 red cokes, can after 10 times
Fill tank, red burnt point of 5 investments of every tank, filling the burnt time is no less than 10 minutes, not make after investment boiler inlet temperature sharply on
It rises, in case boiler drum pressure, water level fluctuate.
(2) filling burnt time interval can prestoring under room temperature T5, cooling chamber upper temp T4, cooling chamber according to coke dry quenching furnace
Portion temperature T3 and boiler inlet temperature T6 make the appropriate adjustments.
(3) start a small amount of coke discharging after dress is 1 hour burnt, keep initial material position.
(4) boiler inlet temperature T6 temperature rise control controls temperature as auxiliary in 10 DEG C/h, cooling chamber upper temp T4,
Decline is gone to close to boiler inlet temperature heating controlling value, cooling chamber upper temp T4 by rising to boiler inlet temperature T6 temperature
It is again loaded into red coke when 25-30 DEG C of temperature when temperature stablizing burnt to higher than previous time dress, guarantees boiler inlet, coke dry quenching furnace cooling
Section slowly heating.
Specific implementation process of the invention is as follows:
(1) after the work of dry coke quenching annual overhaul is fully completed, cold coke is packed into coke dry quenching furnace 1.Dry coke quenching charcoal is preferred in cold coke.
Coke material position will control at 1 meter lower than mouth 16 under chute in coke dry quenching furnace 1.Coke dry quenching furnace level-sensing device indicating value is recorded,
Foundation as baker coke dry quenching furnace early period Level control.It is applied on 14 metope of cooling chamber under cold burnt top to chute between mouth 16
Brush the heat-insulated chamotte mud of one layer of diatomite.When prestoring room temperature T5 lower than 650 DEG C, such as fill defocused material position and increase, should by
Coke discharging of having a rest remains this material position.After prestoring room temperature T5 higher than 650 DEG C, material position is sustainable to be increased to expecting during normal production
Position, is not limited to the above.
(2) warm wind completes following preparation after drying:
Coke dry quenching furnace: bleeding valve standard-sized sheet；Air imports valve and closes entirely.
Recyclegas system: coke dry quenching furnace inlet baffle center 50%, periphery 50%；Top water seal tank continuous drainage；Promptly put
Dissipate valve water seal water inlet；Bleeding valve water seal water inlet.
Boiler system: one or two drain valves excessively are crack；Deaerator feed water pump is continuously run；Boiler feed pump is continuously run；It removes
Oxygen device liquid level is normal；0~-100mm of liquid level of steam drum；Periodical blowdown closes entirely；Continuous blowdown is crack；Dosing pump is continuously run；Water supply
Valve regulation is adjusted to " center is manually "；Main steam pressure force regulating valve was adjusted to " center is manually "；Attemperator adjust valve regulation to " in
Centre is manual "；Steam stop valve is adjusted to complete and is closed.
(3) nitrogen pipeline purging operation, O in system after pipeline purging are carried out2Content must < 5%.
(4) red burnt baker heating standard:
Boiler inlet temperature T6, room temperature T5 is prestored by heating requirements of plan execution.
4 cooling chamber temperature of lower T3, cooling chamber upper temp T4 temperature uniformly rise, and cannot fluctuate excessive.Cooling chamber
Not more than 350 DEG C of temperature of lower T3, not more than 450 DEG C of cooling chamber upper temp T4.
(5) the primary red coke of 1 small fashionable dress in initially red burnt the commitment principle, first 10 times per canned 1/4 red cokes, can after 10 times
Fill tank, red burnt point of 5 investments of every tank, filling the burnt time is no less than 10 minutes, not make after investment boiler inlet temperature sharply on
It rises, in case boiler drum pressure, water level fluctuate.
(6) filling burnt time interval can be according to prestoring room temperature T5, middle section cooling chamber temperature of lower T3, cold at the top of coke dry quenching furnace 1
But room upper temp T4 and boiler inlet temperature T6 make the appropriate adjustments.
(7) start a small amount of coke discharging after dress is 1 hour burnt, keep initial material position.
(8) boiler inlet temperature T6 temperature rise control controls temperature as auxiliary in 10 DEG C/h, cooling chamber upper temp T4,
Decline is gone to close to boiler inlet temperature heating controlling value, cooling chamber upper temp T4 by rising to boiler inlet temperature T6 temperature
It is again loaded into red coke when 25-30 DEG C of temperature when temperature stablizing burnt to higher than previous time dress, guarantees boiler inlet, coke dry quenching furnace cooling
Section slowly heating.
(9) red burnt loading method: " manual " switch in elevator scene is slowly operated, burnt tank bottom gate is slowly opened, a bit
A little a small amount of dress is burnt.Red defocused by the loading of prescribed requirement amount, burnt tank is lifted move to specified position as early as possible by " manual " operation.
(10) start, with the gradually increase of dressing coke amount, gradually to increase and follow with the air-supply of minimal circulation air quantity after red burnt loading
Ring air quantity.
(11) with the loading of red coke, the generation of boiler inlet temperature rapidly changes.To prevent because of boiler inlet temperature sharply
Pressure jump caused by variation and furnace gas volume expansion, dress will gradually increase air circulation when burnt, to main management temperature
When degree is begun to decline, then air quantity is slowly reduced, to guarantee that temperature is normal.
(12) when heat coke is packed into, internal system H2, CO concentration adjustment, generally can be by being blown into N2Amount is to run.Boiler enters
When mouth temperature T6 is greater than 650 DEG C, passes through and import air control combustible gas component.
(13) when filling red coke steam water-level occur it is obvious change, but after a period of time can spontaneous recovery, however Gao Shui
Position will adjust confluent when being abnormal variation in time.
(14) gradually increasing with dressing coke amount, steam generating amount will also increase, and drum hydraulic pressure will also rise with it.
Before steam circulation, main steam should be diffused motor-driven valve standard-sized sheet, pressure adjustment is carried out using main steam pressure force regulating valve.
(15) with the increase of dressing coke amount, gradually shorten the interval to boiler water supply, the company of being transferred to after burnt, coke discharging to be installed is stablized
Continuous water supply.
(16) when boiler inlet temperature T6 temperature rises to 800 DEG C or more, coke discharge amount can be set according to actual conditions, follow
Ring air quantity, and gradually it is transferred to the normal operation of dry coke quenching.
Claims (3)
1. a kind of pair of dry coke quenching auxiliary uses the red burnt method for carrying out baker, it is characterised in that: it is carried out using following steps:
A. temperature air-dry it is dry before, cold coke is packed into the coke dry quenching furnace (1), cold coke is filled under coke dry quenching furnace chute 1 below mouth (16) bottom
In coke dry quenching furnace cooling chamber (14) at rice, it is not necessary to burnt progress moulding operation cold in coke dry quenching furnace (1)；
B. the heat-insulated chamotte mud of one layer of diatomite is brushed on cooling chamber (14) metope under cold burnt top to chute between mouth (16)
Slurry；
C. warm wind drying operation is carried out；
D. after warm wind drying stage, nitrogen pipeline purging operation is carried out to dry coke quenching auxiliary, makes nitrogen in coke dry quenching furnace (1), one
It is circulated in the circulation gas channel that secondary deduster (2), boiler (3), secondary filter (4), secondary economizer and air duct form,
With oxygen present in nitrogen displacement dry coke quenching auxiliary, make the oxygen content in recyclegas be down to 5% hereinafter, avoid oxygen with it is red
Burnt directly reaction causes combustible gas component in recyclegas exceeded, after threatening the safety of dry coke quenching auxiliary, nitrogen pipeline purging qualified
It can start the red burnt baker stage；
E. in the coke dry quenching furnace cooling chamber (14) interval be packed into it is red it is burnt carry out baker, in the red burnt baker stage, with nitrogen be mainly at
Point inert gas under the action of circulating fan (5) suction, in coke dry quenching furnace (1), disposable dust remover (2), boiler (3), secondary
It circulates in the circulation gas channel of deduster (4), secondary economizer and air duct composition, is absorbed in coke dry quenching furnace cooling chamber (14)
Interval be packed into red coke sensible heat after temperature raising, when high-temperature gas flows through other positions of dry coke quenching auxiliary, make its temperature by
Edge up height, and own temperature reduces, and enables heat exchange and temperature-rise period in dry coke quenching auxiliary to continue to carry out, completes baker mistake
Journey；The main management temperature in red coke baker stage is boiler inlet temperature T6, and heating rate is controlled at 10 DEG C/h；Secondary management temperature
To prestore room temperature T5, heating rate is controlled at 10 DEG C/h degree；Added Management temperature is cooling chamber upper temp T4, to
Determine the red burnt interval time being packed into；300 DEG C, 650 DEG C and 800 DEG C three constant temperature zones are arranged in the red coke baker stage altogether.
2. according to claim 1 use the red burnt method for carrying out baker to dry coke quenching auxiliary, it is characterised in that: the step
The red burnt time interval for being packed into coke dry quenching furnace in the red burnt baker stage of rapid e are as follows:
A. the primary red coke of 1 small fashionable dress in initially red burnt the commitment principle, per canned 1/4 red cokes, after 10 times, can fill for first 10 times
Tank, red burnt point of 5 investments of every tank, dress burnt time are no less than 10 minutes, boiler inlet temperature cannot be made to steeply rise after investment, with
Exempt from boiler drum pressure, water level fluctuates；
B. room temperature T5, cooling chamber temperature of lower T3, cooling chamber top temperature can be prestored according to coke dry quenching furnace (1) by filling burnt time interval
Degree T4 and boiler inlet temperature T6 makes the appropriate adjustments；
C. start a small amount of coke discharging after dress is 1 hour burnt, keep initial material position；
D. boiler inlet temperature T6 temperature rise control is in 10 DEG C/h, and cooling chamber upper temp T4 is as auxiliary control temperature, to pot
Furnace inlet temperature T6 temperature goes to decline close to boiler inlet temperature heating controlling value, cooling chamber upper temp T4 temperature by rising
It is again loaded into red coke when 25-30 DEG C of temperature when stablizing burnt to higher than previous time dress, guarantees that boiler inlet, coke dry quenching furnace cooling section delay
Slow heating.
3. according to claim 2 use the red burnt method for carrying out baker to dry coke quenching auxiliary, it is characterised in that: when prestoring
At 650 DEG C or less, coke material position will be controlled always it by interval coke discharging lower than under chute room temperature T5 in coke dry quenching furnace
At mouthfuls (16) 1 meters, red coke is avoided directly to contact with the refractory brick of chute area (15) and annular passage area, when prestoring room temperature T5 high
After 650 DEG C, material position is sustainable to be increased to material position during normal production, is not limited to the above.
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| CN107603677B (en) * | 2017-11-07 | 2020-11-20 | 山东京博众诚清洁能源有限公司 | Coal gas production equipment and safe blow-in method thereof |
| CN107936990A (en) * | 2017-11-27 | 2018-04-20 | 安徽临涣化工有限责任公司 | A kind of dry coke quenching furnace drying method |
| CN108709413B (en) * | 2018-05-24 | 2020-06-30 | 山东钢铁集团日照有限公司 | Method for dry quenching coke warm air drying oven by adopting flue gas oven |
| CN109233872A (en) * | 2018-11-09 | 2019-01-18 | 榆林学院 | A kind of factory's coke dry quenching furnace and dry coke quenching system |
| CN112898995B (en) * | 2021-01-15 | 2021-08-31 | 广东韶钢松山股份有限公司 | Coke loading control method and device and electronic equipment |
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| CN101747913A (en) * | 2009-12-31 | 2010-06-23 | 山西太钢不锈钢股份有限公司 | Method for baking dry quenching furnace |
| CN102304369A (en) * | 2011-08-12 | 2012-01-04 | 重庆钢铁(集团)有限责任公司 | Oven-drying working process for coke dry quenching system |
| CN102559214A (en) * | 2011-12-21 | 2012-07-11 | 攀钢集团攀枝花钢钒有限公司 | Method for raising temperature in coke dry quenching furnace |
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| CN106929038A (en) | 2017-07-07 |
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