CN208980626U - A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black - Google Patents
A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black Download PDFInfo
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Abstract
A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black, the secondary air distributor is divided into two stepped cavities, the upper and lower side of two stepped cavities is respectively equipped with air pipeline and the tangentially connected formation air flue of stepped cavity, is equipped with ventilation slot in the junction of air pipeline and stepped cavity.The technical effect of the utility model is: producing N774 carbon black with 40,000 tons of soft carbon black reaction furnaces, yield is promoted, improves toluene light transmittance, reduce washing sieve residue, improve N774 carbon black mass.The combustion efficiency of combustion chamber is improved, guarantees reaction temperature, improves the atomizing effect of feedstock oil, reduces raw material oil consumption.
Description
Technical field
The utility model relates to a kind of soft carbon black reaction furnace more particularly to a kind of 40,000 tons/year for producing N774 carbon black
Soft carbon black reaction furnace.
Background technique
N774 carbon black is also known as non-polluting Gao Dingshen semi-reinforcing furnace black, good using the sizing material processing performance of N774 carbon black, filling
Amount can also be very high.The elasticity of its vulcanizate is high, and heat is low, and dynamic property is good.Jiangxi Black Cat Carbon Black Co., Ltd. master
To produce N774 carbon black by the soft type of furnace (production line) of 20,000 tons/year of Jiangxi general headquarters, and other than Jiangxi production base soft charcoal
The unsuitable production N774 carbon black products (influence for the type of furnace to oil consumption and product quality comprehensively considers) of black process units,
Mainly to produce based on N660, N550, on product structure less rationally.Currently, other productions other than Hei Mao company Jiangxi
Base apparatus for producing soft carbon black is mainly based on 40,000 tons/year of scales, this is for utilizing 40,000 tons/year of apparatus for producing soft carbon black
Expand the N774 carbon black products production scale for having certain market space and price advantage, optimizes each production base product structure and cause
Biggish limitation and limitation.In addition, soft type of furnace combustion chamber is mainly provided using general gas burner in combustion chambers burn
The combustion gas distribution effects of combustion gas, this fuel burner nozzle is bad, cannot sufficiently optimize the combustion efficiency of combustion gas, meanwhile, it is of the same trade its
His carbon black enterprise is used to produce the reacting furnace and its technology of N774, product quality, oil consumption, production capacity and in terms of
There are many defects, are not suitable for the product development production of high-quality, low oil consumption.
A kind of patent of Publication No. CN101891976A novel soft carbon black reaction furnace is disclosed in the prior art, is passed through
The structure of the reacting furnace can reduce product coking phenomenon, it is reached by changing the structure of reacting furnace to the patents state,
And it is not mating to the penetrating mode of preheated air, combustion gas and feedstock oil etc. be illustrated, according to current production environment with
Technical parameter control, the patent produce N774 alopecia areata than higher, and toluene light transmittance is relatively low, and washing sieve residue is higher, it is difficult to reach
Production target and customer requirement；Publication number CN101270235A proposes a kind of reacting furnace for manufacturing soft carbon, the reacting furnace
Through the tail gas by power generation was only used in the past after dehumidification processing, it is introduced back into soft carbon black reaction furnace and is used as to charcoal
Black production provides fuel necessary to thermal energy, in this way, consumption of part material oil when can save production carbon black as fuel,
But the reacting furnace production efficiency is low, and the carbon black toluene light transmittance produced is low, oil film is high, and washing sieve residue is high.
Utility model content
The purpose of this utility model is to provide a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774, solve to use
40000 tons/year of soft carbon black reaction furnaces produce N774 carbon black, replace asking for 20,000 tons/year of soft carbon black reaction furnace production N774 carbon blacks
Topic, solve 20,000 tons/year of soft carbon black reaction furnaces there are production capacity is low and comprehensive energy consumption and unit product oil consumption it is higher, Yi Jicun
Carbon black products toluene light transmittance is low, the washing problems such as sieve residue height.
The utility model is realized in, and a kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774, it includes second level
Air distributor, gas distributor, burning zone, aditus laryngis, conversion zone, it is characterised in that: secondary air distributor, combustion gas distribution
Device, burning zone, aditus laryngis and conversion zone sequentially coaxially connect and form black reactor, the front console center of the black reactor
Along reacting furnace axial direction horizontal connection raw material oil gun, the secondary air distributor is divided into two stepped cavities, two stepped cavities
Upper and lower side be respectively equipped with air pipeline and the tangentially connected formation air flue of stepped cavity, in air pipeline and stepped cavity
Junction be equipped with ventilation slot, one end of ventilation slot connects air pipeline, and the other end connects the junction shape of two stepped cavities
At make-up air ventilation slot, the gas distributor includes circulating line, if the opposite center of circle of the circulating line has been evenly arranged
Dry root ventilation pipe, one end of several ventilation pipes connect circulating line, and the other end of ventilation pipe connects the interior of reacting furnace
Wall forms fuel gas path.Air pipeline two in the preheated air access of the reacting furnace passes through control as cold wind compensation pipeline
Valve is directly connected to main for blower.
The raw material oil gun includes outer tube and inner sleeve, coaxially connected inner sleeve in the outer tube, before inner sleeve
End is divided into oil-gas mixer and raw material oil dispenser by barrier layer, and the side wall of the oil-gas mixer is provided with several oil-gas holes
One, the raw material oil dispenser is provided with several oil-gas holes two of 3 rows close to barrier layer end, and the barrier layer center is provided with oil-gas hole
Three connection oil-gas mixers and raw material oil dispenser.
The quantity of the ventilation pipe is 20-25 root, diameter 13-16mm.
The oil-gas hole two has 3 rows, 15 oil-gas holes two of every row, diameter 6mm.
The oil-gas hole one has 2 rows, 6 oil-gas holes one of every row, diameter 18mm.
The diameter of the oil-gas hole three is 12mm.
The outer tube connection air pipeline one and air pipeline two, the air pipeline one of the raw material oil gun pass through high temperature
Preheater connection is main for blower, and the air pipeline two is directly connected to main for blower by control valve.
It is produced the technical effect of the utility model is: 40,000 tons/year of soft carbon black reaction furnaces can satisfy production N774 carbon black
The technical requirements of product produce N774 carbon black with the soft carbon black reaction furnace of the utility model, and the combustion efficiency of combustion chamber is mentioned
Height guarantees that reaction temperature is suitable for producing the generation of N774 carbon black, improves the atomizing effect of feedstock oil, N774 carbon black mass mentions
Height, device capbility are promoted；Toluene light transmittance is improved with the N774 carbon black that the technology of the utility model produces, reduces washing
Sieve residue, raw material oil consumption decrease.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of the utility model gas distributor；
Fig. 3 is the sectional drawing of the utility model gas distributor；
Fig. 4 is the structural schematic diagram of the utility model raw material oil gun pipette tips；
Fig. 5 is the utility model reacting furnace preheated air compensation wind pipe structural schematic diagram.
Specific embodiment
As shown in Figure 1, Figure 2, Figure 3 shows, the utility model is realized in this way, a kind of producing N774 40,000 tons/year are soft
Black reactor, secondary air distributor 1, gas distributor 2, burning zone 3, aditus laryngis and conversion zone, which sequentially coaxially connect, forms charcoal
Black reacting furnace, along reacting furnace axial direction horizontal connection raw material oil gun 4, the second level is empty at the front console center of the black reactor
Gas distributor 1 is divided to for two stepped cavities 5, and the upper and lower side of two stepped cavities is respectively equipped with air pipeline and cuts with stepped cavity 5
Air flue is formed to connection, is equipped with ventilation slot 6 in the junction of air pipeline and stepped cavity, one end of ventilation slot connects empty
Feed channel, the junction that the other end connects two stepped cavities form make-up air ventilation slot, and the gas distributor 2 includes ring
Shape pipeline 7, the opposite center of circle of the circulating line 7 have been evenly arranged several ventilation pipes 8, one end of several ventilation pipes 8
Circulating line 7 is connected, the inner wall of the other end connection reacting furnace of ventilation pipe 8 forms fuel gas path, the number of the ventilation pipe
Amount is 20-25 root, diameter 13-16mm.Air pipeline two in the preheated air access of the reacting furnace is compensated as cold wind
Pipeline is directly connected to main for blower by control valve.The utility model mode used from upper and lower cross shutter is to be based on preventing
Preheated air high speed enters reacting furnace, and the time is long long afterwards, and the fire proofing material of reacting furnace inner wall is easy to be etched, while will increase charcoal
Black impurity；The tangential air inlet mode of relative direction, so that the preheated air into black reactor forms whirlwind, this is practical new
Type uses secondary air distributor 1 again simultaneously, and preheated air is divided into two sections and enters reacting furnace, is accelerating air velocity, increases high
The shearing force of warm air, while reacting furnace can be improved again along axial centre regional temperature, reaction temperature is stablized, and carbon black products are improved
Toluene light transmittance reduces washing sieve residue；Again because secondary air distributor 1 and 2 junction of gas distributor are there are diameter difference,
Preheated air and high temperature gas flow are formed in right angle to be vortexed, and vortex first can damage furnace wall, increase carbon black impurity, also
The speed of preheated air and high temperature gas flow is influenced, therefore compensation wind is provided by ventilation slot, prevents from forming local eddy currents.It is described
Gas distributor 2 evenly distributes natural gas by gas pipeline, so that combustion of natural gas is uniform, improves the burning of optimization combustion chamber
Effect, high temperature needed for feedstock oil cracking reaction is provided.
As shown in Figure 4, Figure 5, the raw material oil gun 4 includes outer tube 9 and inner sleeve 10, is coaxially connected in the outer tube 9
Inner sleeve 10 is connect, the front end of inner sleeve 10 is divided by barrier layer 16 for oil-gas mixer 11 and raw material oil dispenser 12, the oil
The side wall of gas mixer 11 is provided with several oil-gas holes 1, and the raw material oil dispenser 12 is provided with 3 rows close to 16 end of barrier layer
Several oil-gas holes 2 14,16 center of barrier layer are provided with 3 15 connection oil-gas mixer 11 of oil-gas hole and raw material oil dispenser
12；Feedstock oil atomization wind and distribution effects are improved, guarantees that feedstock oil atomizing effect, raw material oil dispenser increase row eye 15* Φ
15, the eye of oil-gas mixer is increased into 16 → Φ of Φ 18, on the one hand perforating Φ 12 among raw material oil dispenser reduces raw material oil gun
The pressure pipe of collet damages, and on the other hand increases distribution, mixing and the atomizing effect of feedstock oil；Feedstock oil from oil-gas hole two come out and
Oil-gas mixer 11 is being entered by oil-gas hole one with after atomization wind atomization, while feedstock oil enters oil gas from oil-gas hole three
Mixer 11, the feedstock oil after being finally atomized spray cracking and form carbon black, and the improvement to raw material oil gun increases and is atomized air quantity, and one
Aspect increases feedstock oil distribution effects；On the other hand increase feedstock oil and be atomized wind mixed effect, make feedstock oil from raw material gun adapter
Ejection can reach optimal atomization lytic effect；Reacting furnace preheated air connects air pipeline 1 and air pipeline 2 18,
The air pipeline 1 is connected main for blower 20 by high-temperature preheater 19, and the air pipeline 2 18 is straight by control valve
Connect in succession main for blower 20, increasing air pipeline 2 18 is handled reacting furnace preheated air, reduces alopecia areata ratio: on the one hand
Improving feedstock oil atomization air quantity based on technological angle can achieve the effect of reduction alopecia areata ratio, on the other hand guarantee a chilling temperature
Wind-warm syndrome is reduced under the premise of degree, achievees the effect that reduce feedstock oil treating capacity；Wind-warm syndrome is reduced from a chilling temperature is reduced merely,
Have a direct impact to subsequent boiler heat exchange and fuel oil preheating, preheated air is carried out to increase cold wind compensation, both can guarantee that one is anxious
The setting of cold temperature, and it is adjustable wind-warm syndrome, so that control alopecia areata ratio be effectively reduced.
Technology controlling and process:
In N774 debugging process, oil proportion is 100% tar, anti-according to washing sieve residue and toluene light transmittance situation
Feedback, to control alopecia areata ratio, furnace temperature formula sets 23# (converting natural air ratio 11.8:1), according to the central point of tangential combustion chamber,
450mm is stretched in raw material oil gun, by mixer transformation, feedstock oil is atomized wind standard-sized sheet (870 DEG C), chilling temperature setting 560
DEG C, it is adjusted according to cold wind shunt compensation and main adjust for blower outlet pressure controls 310 DEG C of air preheating temperature or so, while energy
Guarantee that fuel oil preheating temperature reaches 165 DEG C or more, toluene light transmittance is compressed axially protection according to the sheath for adjusting raw material oil gun
Wind provides feedstock oil stage of reaction excess oxygen, improves reacting furnace central area temperature, guarantees that the temperature of conversion zone is controlled 1165
DEG C or more, it is ensured that toluene light transmittance is 80 or more；13000 oil 7350 of wind, than 0.565, washing sieve residue can control alopecia areata
In 200ppm or less.
1. existing 20,000 tons of table soft type of furnace production N774 technical parameters and product quality
The soft type of furnace production N774 technical parameter of 40,000 tons of 2. the utility model of table and product quality
3. other enterprises of carbon black industry of table produce N774 technical parameter and product quality
By the above parameter and quality feedback, the soft furnace of 40,000 tons of this patent utility model/year production N774 carbon black
Compress oil suction, washing sieve residue (control 200 or less), toluene light transmittance (80 or more control), pH, production capacity, in terms of
All it is better than existing 20,000 tons of soft type of furnaces, this Patent Utility Model not only maximumlly plays 40,000 tons/year of soft carbon productions
The characteristic of the size of capacity of device, cost advantage and product with stable quality, and abolished former 40,000 tons/year of soft carbons production dress
The limitation of (type of furnace) in terms of product variety production is set, the product structure of each production base is optimized, enriches product variety
To meet user demand, is conducive to accelerate principal products of business upgrading, promotes company's profit point and the market competitiveness.It compares simultaneously same
The related data of other manufacturing enterprises of industry N774 carbon black, the utility model debugging production N774 either product quality such as
Toluene light transmittance, washing sieve residue etc. are all better than other carbon black enterprises, and embody 40,000 in terms of alopecia areata ratio, production capacity
The advantage of the ton type of furnace, all leads over other carbon black enterprises in terms of energy consumption and oil consumption, this is that our type of furnaces soft for 40,000 tons are logical
Cross the starting point that debugging production N774 is designed and developed to technology and pattern assembly.
Claims (7)
1. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black, it includes secondary air distributor, combustion gas distribution
Device, burning zone, aditus laryngis, conversion zone, it is characterised in that: secondary air distributor, gas distributor, burning zone, aditus laryngis and reaction
Section sequentially coaxially connection forms black reactor；The front console center of the black reactor is along reacting furnace axial direction horizontal connection
Raw material oil gun, the secondary air distributor are divided into two stepped cavities, and the upper and lower side of two stepped cavities is respectively equipped with air
Pipeline and the tangentially connected formation air flue of stepped cavity are equipped with ventilation slot in the junction of air pipeline and stepped cavity, lead to
One end of wind groove connects air pipeline, and the junction that the other end connects two stepped cavities forms make-up air ventilation slot；It is described
Gas distributor includes circulating line, and the opposite center of circle of circulating line has been evenly arranged several ventilation pipes, and several logical
One end of feed channel connects circulating line, and the inner wall of the other end connection reacting furnace of ventilation pipe forms fuel gas path.
2. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black according to claim 1, it is characterised in that:
The raw material oil gun includes outer tube and inner sleeve, and coaxially connected inner sleeve in the outer tube, the front end of inner sleeve passes through resistance
Interlayer is divided into oil-gas mixer and raw material oil dispenser, and the side wall of the oil-gas mixer is provided with several oil-gas holes one, described
Raw material oil dispenser is provided with several oil-gas holes two of 3 rows close to barrier layer end, and the barrier layer center is provided with three connection of oil-gas hole
Oil-gas mixer and raw material oil dispenser.
3. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black according to claim 1, it is characterised in that:
The quantity of the ventilation pipe is 20-25 root, diameter 13-16mm.
4. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black according to claim 2, it is characterised in that:
The oil-gas hole two has 3 rows, 15 oil-gas holes two of every row, diameter 6mm.
5. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black according to claim 2, it is characterised in that:
The oil-gas hole one has 2 rows, 6 oil-gas holes one of every row, diameter 18mm.
6. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black according to claim 2, it is characterised in that:
The diameter of the oil-gas hole three is 12mm.
7. a kind of 40,000 tons/year of soft carbon black reaction furnaces for producing N774 carbon black according to claim 1, it is characterised in that:
The preheated air connection air pipeline one and air pipeline two of the reacting furnace, the air pipeline one are connected by high-temperature preheater
Connect main for blower, the air pipeline two is directly connected to main for blower by control valve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201821571698.2U CN208980626U (en) | 2018-09-26 | 2018-09-26 | A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black |
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| CN201821571698.2U CN208980626U (en) | 2018-09-26 | 2018-09-26 | A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054461A (en) * | 2018-09-26 | 2018-12-21 | 济宁黑猫炭黑有限责任公司 | A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109054461A (en) * | 2018-09-26 | 2018-12-21 | 济宁黑猫炭黑有限责任公司 | A kind of 40,000 tons/year of soft carbon black reaction furnaces producing N774 carbon black |
| CN109054461B (en) * | 2018-09-26 | 2023-10-27 | 济宁黑猫炭黑有限责任公司 | 4 ten thousand tons/year soft carbon black reacting furnace for producing N774 carbon black |
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