CN106957541A - The carbon black energy-saving production method and device of a kind of outer pre-heating technique air of line - Google Patents
The carbon black energy-saving production method and device of a kind of outer pre-heating technique air of line Download PDFInfo
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- CN106957541A CN106957541A CN201710186900.3A CN201710186900A CN106957541A CN 106957541 A CN106957541 A CN 106957541A CN 201710186900 A CN201710186900 A CN 201710186900A CN 106957541 A CN106957541 A CN 106957541A
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- air
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- tail gas
- preheater
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/50—Furnace black ; Preparation thereof
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/44—Carbon
- C09C1/48—Carbon black
- C09C1/487—Separation; Recovery
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
Abstract
The invention discloses a kind of carbon black energy-saving production method of pre-heating technique air outside line and device, this method includes step：The production method cancels existing online high-temperature air preheater, new high-temperature air preheater is added to support the use using preposition tail gas burner is bypassed, furnace technology air preheating temperature will be entered and be promoted to 1000 DEG C or so from 800 DEG C, so as to reduce the consumption of fuel oil, and the yield of carbon black is improved.High temperature pocket preheater outstanding advantages are the economy of equipment itself and the efficient stable of longtime running；Preposition tail gas burner recycles carbon black by-product tail gas, and production of carbon black comprehensive energy consumption is reduced again；High gradient rapid-cooling heat exchanger will reclaim reacting furnace exit gas temperature and be promoted to 1250 DEG C or so from 950 DEG C, and the consumption of a chilled water (chw) is greatly lowered, while the steam of production puts into production of carbon black again, further reduce the whole synthesis energy consumption of production of carbon black.
Description
Technical field
The invention belongs to the technical field of carbon black industry, specifically, it is related to a kind of carbon black of the outer pre-heating technique air of line
Energy-saving production method and device.
Background technology
Carbon black industry belongs to high energy-consuming industry field, and the accounting deficiency of wherein carbon black products heat reacts total heat input
50%.Therefore, the configuration of carbon black energy conserving system is particularly important in process of production, is also the pass for controlling carbon black products comprehensive energy consumption
Where key.
At present, the power-economizing method of production of carbon black is primarily directed to high temperature carbon black smoke physical thermal and by-product tail gas chemical heat
Recycle.
The recovery of high temperature carbon black smoke physical thermal be set gradually on stream high-temperature air preheater, waste heat boiler,
Fuel oil preheating device, reacted using carbon black the physical thermal pre-heating technique air of the high-temperature flue gas containing carbon black of generation, produce steam, it is pre-
Feedstock oil needed for thermal response, the heat of abundant recovery system.In carbon black process, in order to terminate carbon black reaction of formation, need
Carbon black smoke is reduced to 1250 DEG C or so.Again because online air preheater smoke inlet temperature highest is no more than 950
DEG C, therefore the method that reacting furnace quench zone sprays into chilled water (chw) is commonly used in, flue gas is reduced to 950 DEG C.Consequently, it is possible at 950 DEG C
Physical thermal in~1250 DEG C of flue gases is just wasted, but also sprays into during quenching step of carbon black a large amount of chilled water (chw)s.So
Substantial amounts of water resource is not only wasted, energy consumption is big, and cause water vapour content increase in carbon black smoke, give rear portion collection system
Load is added, while also increasing the cost of relevant device, civil engineering etc..
Again because containing a large amount of carbon powder dusts in reacting furnace exiting flue gas flue gas, flue gas is selected during online air preheater heat exchange
Tube side is selected away, is easily attached in tube bank, heat-transfer effect decline is easily caused, so high flow rate is generally selected, Large Diameter Pipeline, in addition
The aggravation of the temperature difference causes the thermal stress of air preheater to increase, and it requires that, using special material and structure, equipment cost is made
Valency is very high, and service life is not also long.
The content of the invention
For deficiency above-mentioned in the prior art, the present invention provides a kind of carbon black production energy-saving of the outer pre-heating technique air of line
Method and device, this method and device realize higher air preheating temperature, reduce Fuel Consumption, can also improve carbon black
Yield and tail gas calorific value so that product comprehensive energy consumption significantly declines.
In order to achieve the above object, the solution that uses of the present invention is：
A kind of carbon black energy-saving production method of the outer pre-heating technique air of line, this method comprises the following steps,
The reaction kiln gas that a, black reactor reaction are produced is passed through high gradient rapid-cooling heat exchanger, waste heat boiler, original successively
Main bag hose is delivered to after material oil preheater；Reaction kiln gas isolates carbon black and tail gas through main bag hose；
B, carbon black introduce carbon black post-treatment device；
C, tail gas are divided into tri- strands of A, B, C；A-share tail gas introduces carbon black processing unit, and B strands of tail gas introduce tail gas burner, with
Certain amount of air burning produces combustion residual air, and combustion residual air is introduced into high-temperature air preheater to enter pre-heating technique air outside line, then will
Air introduces the burning zone of black reactor, and C strands of tail gas, which introduce emission power generation device, to be used to generate electricity.
A kind of carbon black production energy-saving device of the outer pre-heating technique air of line, including be sequentially connected black reactor, high ladder
Spend rapid-cooling heat exchanger, waste heat boiler, fuel oil preheating device and main bag hose, burning zone that black reactor includes being sequentially connected,
Trunnion section and quench zone, main bag hose lower end are connected with carbon black post-treatment device, and main bag hose upper end is provided with tail gas booster fan,
The air intake of tail gas booster fan is connected with main bag hose upper end, and the outlet air end of tail gas booster fan is connected with tail gas branched pipe；
Tail gas branched pipe includes A-share offgas duct, B bursts of offgas ducts and C bursts of offgas ducts, and A-share offgas duct is connected with carbon black post-treatment device, B
The outlet air end of stock offgas duct is connected with tail gas burner, and the outlet air end of tail gas burner is connected with high-temperature air preheater, high temperature
Air preheater is connected with burning zone.
Further, main air feed machine is connected with high-temperature air preheater.
Further, it is connected with above high-temperature air preheater solid above combustion air pre-heater, combustion air pre-heater
Surely it is connected with exhaust chimney.
Further, it is connected with economizer bank between combustion air pre-heater and the air inlet of tail gas burner.
Further, combustion air pre-heater is externally provided with combustion air air feed machine, the air outlet of combustion air air feed machine with
High-temperature air preheater, combustion air pre-heater connection.
Further, high-temperature air preheater includes the housing of blowing air and the inverted U tubular structure of logical combustion residual air, falls
U-tube formula structure setting is in housing, and housing bottom both sides are provided with air intake and air outlet slit, inverted U tubular structure two ends
Provided with smoke inlet and exhanst gas outlet, air intake and exhanst gas outlet homonymy, air outlet slit and smoke inlet homonymy.
Beneficial effects of the present invention are as follows：This method eliminates existing online high-temperature air preheater, before bypass
Put tail gas burner plus new high-temperature air preheater is supported the use, furnace technology air preheating temperature will be entered from 800 DEG C of liftings
To 1000 DEG C or so, so as to reduce the consumption of fuel oil, production of carbon black energy consumption is directly reduced, and improves the yield of carbon black, from
And make it that product cost significantly declines.First, the present invention realizes higher plant air preheating temperature, reduces fuel and disappears
Consumption, also improves the yield of carbon black and the calorific value of tail gas, so that product comprehensive energy consumption significantly declines.Secondly, it is high
Economical and longtime running the efficient stable of warm air preheater.3rd, the application of high gradient rapid-cooling heat exchanger is reduced
Chilling water consumption, reduction rear portion collection system cost, while the steam of production puts into production of carbon black again, recycling energy,
Synthesis energy saving effect is notable.
Brief description of the drawings
Fig. 1 is the process chart of the outer pre-heating technique air of line of the present invention.
Fig. 2 is the internal structure schematic diagram of the high-temperature air preheater of the present invention.
In accompanying drawing：
1st, black reactor；101st, burning zone；102nd, trunnion section；103rd, quench zone；2nd, high gradient rapid-cooling heat exchanger；3rd, it is remaining
Heat boiler；4th, fuel oil preheating device；5th, main bag hose；6th, carbon black post-treatment device；7th, tail gas booster fan；801st, A-share tail gas
Pipe；802nd, B bursts of offgas ducts；803rd, C bursts of offgas ducts；9th, tail gas burner；10th, high-temperature air preheater；1001st, housing；1002、
Inverted U tubular structure；1003rd, air intake；1004th, air outlet slit；1005th, smoke inlet；1006th, exhanst gas outlet；11st, it is main to supply
Blower fan；12nd, combustion air pre-heater；13rd, it is vented chimney；14th, economizer bank；15th, combustion air air feed machine.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described：
Referring to the drawings 1 and accompanying drawing 2, the present invention provides the carbon black energy-saving production method and dress of a kind of outer pre-heating technique air of line
Put, the carbon black energy-saving production method of the outer pre-heating technique air of line of the invention comprises the following steps,
A, black reactor 1 reaction produce reaction kiln gas be passed through successively high gradient rapid-cooling heat exchanger 2, waste heat boiler 3,
Main bag hose 5 is delivered to after fuel oil preheating device 4；Reaction kiln gas isolates carbon black and tail gas through main bag hose 5；
B, carbon black introduce carbon black post-treatment device 6；
C, tail gas are divided into tri- strands of A, B, C；A-share tail gas introduces carbon black processing unit 6, and B strands of tail gas introduce tail gas burner 9,
Combustion residual air is produced with certain amount of air burning, combustion residual air is introduced high-temperature air preheater 10 to enter pre-heating technique air outside line,
The burning zone 101 of black reactor 1 is introduced air into again, and C strands of tail gas, which introduce emission power generation device, to be used to generate electricity.
First, this carbon black energy-saving production method and device realize higher plant air preheating temperature, reduce fuel
Consumption, also improves the yield of carbon black and the calorific value of tail gas, so that product comprehensive energy consumption significantly declines.Secondly,
Economical and longtime running the efficient stable of high-temperature air preheater 10.3rd, the application of high gradient rapid-cooling heat exchanger 2
Chilling water consumption, reduction rear portion collection system cost are reduced, while the steam of production puts into production of carbon black again, energy is recycled
Source, synthesis energy saving effect is notable.
Black reactor 1 that the carbon black production energy-saving device of the outer pre-heating technique air of line of the present invention includes being sequentially connected,
High gradient rapid-cooling heat exchanger 2, waste heat boiler 3, fuel oil preheating device 4 and main bag hose 5, high gradient rapid-cooling heat exchanger 2 utilize charcoal
The high gradient physical thermal of 1250 DEG C -650 DEG C of black smoke gas.The gas approach temperature control of one side rapid-cooling heat exchanger at 1250 DEG C,
Far above 950 DEG C of the gas approach temperature of conventional air preheater, the consumption of chilled water (chw) has been saved；Another aspect high gradient chilling
Heat exchanger 2 make use of the high gradient physical thermal of carbon black smoke, and carbon black smoke is utilized 950 DEG C -650 better than conventional air preheater
DEG C, and water as medium is used, medium is made using air better than conventional air preheater, heat-transfer effect is good, more efficient, steam
One times of output increased, and the increase of the cost of high gradient rapid-cooling heat exchanger 2 is simultaneously few.High gradient rapid-cooling heat exchanger 2 is produced simultaneously
Steam is needed for except carbon black production line is met, and steam more than needed may be incorporated into the generating of emission power generation device, and because it utilizes physical thermal,
Tail gas boiler combustion need not be entered and produce steam, it is more energy efficient also to reduce pollutant emission.
Black reactor 1 includes burning zone 101, trunnion section 102 and the quench zone 103 being sequentially connected, the main lower end of bag hose 5
Be connected with carbon black post-treatment device 6, the main upper end of bag hose 5 is provided with tail gas booster fan 7, the air intake of tail gas booster fan 7 with
The main upper end of bag hose 5 connection, the outlet air end of tail gas booster fan 7 is connected with tail gas branched pipe；Tail gas branched pipe includes A-share tail gas
Pipe 801, B burst offgas duct 802 and C bursts of offgas ducts 803, A-share offgas duct 801 are connected with carbon black post-treatment device 6, B bursts of offgas ducts
802 outlet air end is connected with tail gas burner 9, and the outlet air end of tail gas burner 9 is connected with high-temperature air preheater 10, and high temperature is empty
Air preheater 10 is connected with burning zone 101；C strands of tail gas enter emission power generation device and are used to generate electricity.
The chemical heat pre-heating technique air of B strands of carbon black by-product tail gas, and be no longer to utilize the high-temperature flue gas of black reactor 1
Physical thermal, i.e., the B stock tail gas separated through main bag hose 5 burns with a certain amount of air in tail gas burner 9, generation
Residual air feeding combustion air pre-heater 12 is fired, heat exchange is completed in the device with the cold air of next autonomous air feed machine 11, makes work
Skill air preheat is to 1000 DEG C or so, and 800 DEG C of plant air of more online air preheater preheating is high 200 DEG C.
In the present embodiment, main air feed machine 11 is connected with high-temperature air preheater 10.
In the present embodiment, the top of high-temperature air preheater 10 is connected with combustion air pre-heater 12, combustion air pre-heater
12 tops are fixedly connected with exhaust chimney 13.On the one hand the horizontal layout of equipment is saved, on the other hand preheating enters exhaust combustion
The combustion air of device 9, reclaims the combustion residual air heat of discharge, the tail gas consumption of new type high temperature pocket preheater is reduced, so as to drop
The comprehensive energy consumption of low overall production of carbon black.
In the present embodiment, economizer bank 14 is connected between the air inlet of combustion air pre-heater 12 and tail gas burner 9.
In the present embodiment, combustion air pre-heater 12 is externally provided with combustion air air feed machine 15, combustion air air feed machine 15
Air outlet is connected with high-temperature air preheater 10, combustion air pre-heater 12.
High-temperature air preheater 10 includes the housing 1001 of blowing air and the inverted U tubular structure 1002 of logical combustion residual air,
Inverted U tubular structure 1002 is arranged in housing 1001, and inverted U tubular structure 1002 can solve the problem that the non-homogeneous expansion of tube bank itself
The problem of；The two bottom sides of housing 1001 are provided with air intake 1003 and air outlet slit 1004, and the two ends of inverted U tubular structure 1002 are set
There are smoke inlet 1005 and exhanst gas outlet 1006；In order to ensure the force environment of tube sheet, air intake 1003 and exhanst gas outlet
1006 homonymies, air outlet slit 1004 and the homonymy of smoke inlet 1005, the heterogeneity phantom so restrained are more uniform.
It is cleaner combustion residual air due to what is walked in inverted U tubular structure 1002 so that heat transfer coefficient of heat exchanger is higher, phase
The heat exchange area answered is smaller；Heat exchanger tube can use less caliber, such compact conformation simultaneously so that air preheater is made
Valency is lower.In addition, being externally provided with fin or disturbing flow device in heat exchanger tube, heat exchange efficiency is further improved, heat exchange area is reduced, saved
Cost.Structure due to new type high temperature pocket preheater and the advantage using media environment so that this high-temperature air preheater 10
Possess the condition run steadily in the long term and basis.
Claims (7)
1. a kind of carbon black energy-saving production method of the outer pre-heating technique air of line, it is characterized in that：Comprise the following steps,
The reaction kiln gas that a, black reactor (1) reaction are produced is passed through high gradient rapid-cooling heat exchanger (2), waste heat boiler successively
(3), main bag hose (5) is delivered to after fuel oil preheating device (4)；Reaction kiln gas isolates carbon black and tail gas through main bag hose (5)；
B, carbon black introduce carbon black post-treatment device (6)；
C, tail gas are divided into tri- strands of A, B, C；A-share tail gas introduces carbon black processing unit (6), and B strands of tail gas introduce tail gas burner (9),
Combustion residual air is produced with certain amount of air burning, it is empty to enter the outer pre-heating technique of line that combustion residual air is introduced into high-temperature air preheater (10)
Gas, then the burning zone (101) of black reactor (1) is introduced air into, C strands of tail gas, which introduce emission power generation device, to be used to generate electricity.
2. a kind of carbon black production energy-saving device of the outer pre-heating technique air of line for applying to claim 1, it is characterized in that：Including according to
Black reactor (1), high gradient rapid-cooling heat exchanger (2), waste heat boiler (3), fuel oil preheating device (4) and the filter of main bag of secondary connection
Device (5), black reactor (1) includes burning zone (101), trunnion section (102) and the quench zone (103) being sequentially connected, main bag filter
Device (5) lower end is connected with carbon black post-treatment device (6), and main bag hose (5) upper end is provided with tail gas booster fan (7), tail gas pressurization
The air intake of blower fan (7) is connected with main bag hose (5) upper end, and the outlet air end of tail gas booster fan (7) is connected with tail gas branched pipe；
Tail gas branched pipe include A-share offgas duct (801), B burst offgas ducts (802) and C bursts of offgas ducts (803), A-share offgas duct (801) and
Carbon black post-treatment device (6) is connected, and the outlet air end of B bursts of offgas ducts (802) is connected with tail gas burner (9), tail gas burner (9)
Outlet air end be connected with high-temperature air preheater (10), high-temperature air preheater (10) is connected with burning zone (101).
3. the carbon black production energy-saving device of the outer pre-heating technique air of line according to claim 2, it is characterized in that：Described height
Main air feed machine (11) is connected with warm air preheater (10).
4. the carbon black production energy-saving device of the outer pre-heating technique air of line according to claim 2, it is characterized in that：Described height
It is connected with above combustion air pre-heater (12), combustion air pre-heater (12) and is fixedly connected with above warm air preheater (10)
It is vented chimney (13).
5. the carbon black production energy-saving device of the outer pre-heating technique air of line according to claim 4, it is characterized in that：Described combustion
Burn and be connected with economizer bank (14) between air preheater (12) and the air inlet of tail gas burner (9).
6. the carbon black production energy-saving device of the outer pre-heating technique air of line according to claim 4, it is characterized in that：Described combustion
Burn air preheater (12) and be externally provided with combustion air air feed machine (15), the air outlet and high temperature air of combustion air air feed machine (15)
Preheater (10), combustion air pre-heater (12) connection.
7. the carbon black production energy-saving device of the outer pre-heating technique air of line according to claim 2, it is characterized in that：Described height
Warm air preheater (10) includes the housing (1001) of blowing air and the inverted U tubular structure (1002) of logical combustion residual air, inverted U
Tubular structure (1002) is arranged in housing (1001), and housing (1001) two bottom sides go out provided with air intake (1003) and air
Mouth (1004), inverted U tubular structure (1002) two ends are provided with smoke inlet (1005) and exhanst gas outlet (1006), air intake
(1003) with exhanst gas outlet (1006) homonymy, air outlet slit (1004) and smoke inlet (1005) homonymy.
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Cited By (8)
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| CN108759491A (en) * | 2018-05-29 | 2018-11-06 | 杭州回水科技股份有限公司 | Reverse-flow seed activity coke activation furnace and its flue gas adverse current method |
| CN109321005A (en) * | 2018-09-10 | 2019-02-12 | 山东联科新材料有限公司 | The production method of high-purity carbon black |
| CN109453591A (en) * | 2018-09-20 | 2019-03-12 | 龙星化工股份有限公司 | A kind of carbon black waste gas treatment process |
| CN110523237A (en) * | 2019-09-21 | 2019-12-03 | 抚顺振兴化工工程设计有限公司 | A kind of carbon black tail gas systems for moisture removal |
| CN110938319A (en) * | 2019-11-27 | 2020-03-31 | 中昊黑元化工研究设计院有限公司 | Equipment and method for producing semi-reinforcing carbon black by improving single-furnace yield and yield |
| CN111777877A (en) * | 2020-06-19 | 2020-10-16 | 茂名环星新材料股份有限公司 | Low-loss air preheater heat exchange method |
| CN112682816A (en) * | 2020-12-29 | 2021-04-20 | 连云港虹洋热电有限公司 | Coal-fired boiler tail gas membrane filtration oxygen enrichment recycling device and using method |
| CN114646192A (en) * | 2022-03-22 | 2022-06-21 | 丰城黑豹炭黑有限公司 | Novel furnace carbon black production device and use method |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108759491A (en) * | 2018-05-29 | 2018-11-06 | 杭州回水科技股份有限公司 | Reverse-flow seed activity coke activation furnace and its flue gas adverse current method |
| CN109321005A (en) * | 2018-09-10 | 2019-02-12 | 山东联科新材料有限公司 | The production method of high-purity carbon black |
| CN109321005B (en) * | 2018-09-10 | 2020-09-25 | 山东联科新材料有限公司 | Method for producing high-purity carbon black |
| CN109453591A (en) * | 2018-09-20 | 2019-03-12 | 龙星化工股份有限公司 | A kind of carbon black waste gas treatment process |
| CN110523237A (en) * | 2019-09-21 | 2019-12-03 | 抚顺振兴化工工程设计有限公司 | A kind of carbon black tail gas systems for moisture removal |
| CN110938319A (en) * | 2019-11-27 | 2020-03-31 | 中昊黑元化工研究设计院有限公司 | Equipment and method for producing semi-reinforcing carbon black by improving single-furnace yield and yield |
| CN111777877A (en) * | 2020-06-19 | 2020-10-16 | 茂名环星新材料股份有限公司 | Low-loss air preheater heat exchange method |
| CN112682816A (en) * | 2020-12-29 | 2021-04-20 | 连云港虹洋热电有限公司 | Coal-fired boiler tail gas membrane filtration oxygen enrichment recycling device and using method |
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Application publication date: 20170718 |