CN203782080U - Carbon black production system - Google Patents

Carbon black production system Download PDF

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Publication number
CN203782080U
CN203782080U CN201420145922.7U CN201420145922U CN203782080U CN 203782080 U CN203782080 U CN 203782080U CN 201420145922 U CN201420145922 U CN 201420145922U CN 203782080 U CN203782080 U CN 203782080U
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China
Prior art keywords
carbon black
bag filter
preheater
oil
production system
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CN201420145922.7U
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Chinese (zh)
Inventor
王世力
司德江
李志静
吴兴顺
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Fushun Development Chemical Engineering Design Co Ltd
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Fushun Development Chemical Engineering Design Co Ltd
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Abstract

The utility model relates to a carbon black production system. A reacting furnace, an air preheater, a waste heat boiler and an oil preheater are sequentially connected, wherein the inlet of the air preheater is connected with a main air supply machine; the outlet of the air preheater is connected with the reacting furnace; raw oil is injected into the inlet of the oil preheater; the outlet of the oil preheater feeds a carbon black material to a wet pelletizer by virtue of a hot smoke air conveying system; the wet pelletizer is connected with a bucket elevator through a dryer; and the elevator is contained into a product storage tank through a magnetic screening machine. By changing the main components of the reacting furnace and the purging mode of an exhaust gas bag filter, the production efficiency is improved, the energy consumption is reduced, and meanwhile, the finally obtained product carbon black is good in quality.

Description

Carbon black production system
Technical field
The utility model is created and is related to a kind of carbon black production system, for the production of carbon black, collection, granulation, dry and store necessary equipment.
Background technology
Produced carbon black is small scale in the past, has not only wasted a large amount of manpower and materials, and energy consumption is high, and production efficiency is low, has improved production cost.And the production system of existing large-scale production carbon black, its production efficiency lowly shows as following two aspects: one, in Reaktionsofen trunnion section, oil gun radially sprays stock oil from outside to inside from trunnion, fuel injection nozzle is solid type oil column shape, because trunnion cross-sectional area changes to some extent, fuel injection nozzle changes to some extent at the degree of filling of trunnion section part spray stock oil atomization, be reduced to 45% left and right from 67%, the high temperature, the high-speed mixing gas shear-mixed that make the logical burning zone of stock oil enter trunnion place are insufficient, and carbon black products quality is affected; Two, in the dry process of carbon black, enter in bag filtration filter chamber containing carbon black gas, see through filter bag and become pure qi (oxygen) and enter upper box through Venturi meter, enter chimney from the enterprising gas port of casing and discharge.Carbon black in filter bag, by the injection tube on filter bag top, regularly purges, and blows down the carbon black coming, and enters transport pipe through airtight valve.Due in winding-up process, the flue gas that enters filter bag does not stop, and blowing down the carbon black coming has part to turn back to filter bag, and one adheres on adjacent filter bag.Cause resistance of the filter bag to increase, increase the filtration area of filter bag, reduce life of bag filter, reduce the productive rate of carbon black simultaneously.
Summary of the invention
The utility model is created the technical problem that will solve and is to provide a kind of carbon black production system, this production system is by the chief component of Reaktionsofen and the change of waste gas bag filter Purge methods, improved production efficiency, reduced energy consumption, the quality of the final product carbon black simultaneously obtaining is good.
For overcoming the above problems; the concrete technical scheme that the utility model is created is as follows: a kind of carbon black production system; Reaktionsofen, air preheater, waste heat boiler and oil preheater are connected successively; wherein the import of air preheater connects main for blower fan; the outlet of air preheater is connected with Reaktionsofen; stock oil is injected in the import of oil preheater; the outlet of oil preheater is sent carbon black material into wet granulator by hot flue gas blast system; wet granulator connects chapelet by drying machine, and lift packs finished product basin into after by magnetic separation sifting machine.
Described Reaktionsofen structure is by burning zone, trunnion section, conversion zone, quench zone and stay segment; Axis at the trunnion of burning zone is provided with through hole, and the front end of through hole is tapered hole, and rear end is octagon through hole, is radially evenly distributed with eight fuel injection nozzles at the excircle of trunnion, and the axis of each fuel injection nozzle is through interior angular vertex and its axis of octagon through hole.
The hot flue gas that described hot flue gas blast system structure is Reaktionsofen enters main bag filter, the tail gas of main bag filter is discharged by exhaust fan, after sending pipeline by wind after carbon black materials is filtered, again pass through waste gas bag filter and process again bag filter, then send into pulverizer, the material outlet of pulverizer is sent to collecting bag filter by wind fan, and the below of collecting bag filter connects powdery basin.
The top of described waste gas bag filter is divided into several waste gas locellus districts, between each waste gas locellus district and waste stack, is connected by pipeline, is respectively equipped with waste gas locellus control valve on each pipeline.
This carbon black production system adopts said structure, has improved the industrial scale of carbon black production line, and fuel injection nozzle is increased to eight from four simultaneously, fuel injection nozzle is increased at the degree of filling of trunnion section part spray stock oil atomization, thereby improve the production capacity of carbon black.
To on waste gas bag filter in flue gas supply air system, increase waste gas locellus control valve, in the time of waste gas locellus control valve alternation switch, realize alternately and purging, overcome the dust phenomenon that hardens, the section of blowing-out simultaneously has the settling time, improves the collection effciency of carbon black.
Brief description of the drawings
Fig. 1 is the structural representation of carbon black production system.
Fig. 2 is the structural representation of trunnion section.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is the structural representation of waste gas bag filter.
Embodiment
As shown in Figure 1; a kind of carbon black production system; Reaktionsofen 1, air preheater 2, waste heat boiler 3 and oil preheater 4 are connected successively; wherein the import of air preheater 2 connects main for blower fan 5; the outlet of air preheater 2 is connected with Reaktionsofen 1; stock oil is injected in the import of oil preheater 4; the outlet of oil preheater 4 is sent carbon black material into wet granulator 13 by hot flue gas blast system 40; wet granulator 13 connects chapelet 15 by drying machine 14, and lift 15 packs finished product basin 17 into after by magnetic separation sifting machine 16.
As shown in Figures 2 and 3, described Reaktionsofen 1 structure is by burning zone, trunnion section, conversion zone, quench zone and stay segment; Axis at the trunnion 21 of burning zone is provided with through hole, the front end of through hole is tapered hole 22, rear end is octagon through hole 23, is radially evenly distributed with eight fuel injection nozzles 24 at the excircle of trunnion 21, and the axis of each fuel injection nozzle 24 is through interior angular vertex and its axis of octagon through hole.Improve the degree of filling that carbon black raw oil mixes in the atomization of trunnion section, whether be fully the carbon black raw oil important step of complete reaction, heat energy and kinetic energy that the stock oil of nozzle ejection makes full use of the air-flow of gas or liquid fuel generation high temperature mix stock oil shearing, atomization.Under the condition of mixing at high-temperature atomizing, carbon black raw oil is with high speed, the generation of nucleus, grows up and the stage such as Rong He completes reaction at instantaneous 1 ~ 100 millisecond.The positional structure size factor that Reaktionsofen stock oil sprays into all has a great impact carbon black character and yield.Therefore the quantity that increases oily nozzle in trunnion, change structure size, is designed to octagon by trunnion, drift angle oil spout, increases the degree of filling that the atomization of trunnion section mixes, and increases the quantity of oily nozzle in trunnion, change structure size, adapts to carbon black production device completely and improves the demand of production capacity.
The hot flue gas that described hot flue gas blast system 40 structures are Reaktionsofen 1 enters main bag filter 6, the tail gas of main bag filter 6 is discharged by exhaust fan 18, after sending pipeline 19 by wind after carbon black materials is filtered, again pass through waste gas bag filter 7 and process again bag filter 8, then send into pulverizer 9, the material outlet of pulverizer 9 is sent to collecting bag filter 11 by wind fan 10, and the below of collecting bag filter 11 connects powdery basin 12.As shown in Figure 4, the top of described waste gas bag filter 7 is divided into several waste gas locellus districts 31, between each waste gas locellus district 31 and waste stack 32, is connected by pipeline, is respectively equipped with waste gas locellus control valve 33 on each pipeline.In the dry process of carbon black, enter in bag filtration filter chamber containing carbon black gas, on bag filter upper box, there is control valve air outlet, close for one, other is in the state of opening, flue gas, by locating to open the casing of mode control valve, becomes pure qi (oxygen) through filter bag and enters upper box through Venturi meter, and from casing, air outlet enters chimney discharge.Carbon black in filter bag, by the injection tube on filter bag top, on bag filter box body, control valve, in closing condition, purges, and control valve alternation switch alternately purges.Due in winding-up process, while entering filter bag purging casing, flue gas stops entering, and blows down the carbon black coming, and all enters transport pipe through airtight valve.It has the following advantages:
(1) adopt chamber structure, blowing-out winding-up pulse sack filter is drawn the advantage of pulse jet and chamber-dividing counter-blowing wind;
(2) adopt chamber structure, blowing-out winding-up, overcomes the dust phenomenon that adheres to, hardens;
(3) adopt blowing-out winding-up, filter bag is to jet in the situation that there is no flow of flue gas, need not gram overcome the pressure drop of sack.Ejection air-flow is not subject to the impact of exhaust;
(4) adopt blowing-out winding-up, filter bag can lengthen;
(5) adopt blowing-out winding-up, filter bag carbon black is removed very thorough, and cleaning cycle can extend, and air supply consumption reduces;
(6) adopt blowing-out winding-up, can have one period of settling time, improve collection effciency;
(7) can reduce the filtration area of filter bag device, increase life of bag filter.

Claims (4)

1. a carbon black production system, it is characterized in that: Reaktionsofen (1), air preheater (2), waste heat boiler (3) is connected successively with oil preheater (4), wherein the import of air preheater (2) connects main for blower fan (5), the outlet of air preheater (2) is connected with Reaktionsofen (1), stock oil is injected in the import of oil preheater (4), the outlet of oil preheater (4) is sent carbon black material into wet granulator (13) by hot flue gas blast system (40), wet granulator (13) connects chapelet (15) by drying machine (14), lift (15) packs finished product basin (17) into after by magnetic separation sifting machine (16).
2. carbon black production system as claimed in claim 1, is characterized in that: described Reaktionsofen (1) structure is by burning zone, trunnion section, conversion zone, quench zone and stay segment; Axis at the trunnion (21) of burning zone is provided with through hole, the front end of through hole is tapered hole (22), rear end is octagon through hole (23), radially be evenly distributed with eight fuel injection nozzles (24) at the excircle of trunnion (21), the axis of each fuel injection nozzle (24) is through interior angular vertex and its axis of octagon through hole.
3. carbon black production system as claimed in claim 1, it is characterized in that: described hot flue gas blast system (40) structure is that the hot flue gas of Reaktionsofen (1) enters main bag filter (6), the tail gas of main bag filter (6) is discharged by exhaust fan (18), after sending pipeline (19) by wind after carbon black materials is filtered, again pass through waste gas bag filter (7) and process again bag filter (8), then send into pulverizer (9), the material outlet of pulverizer (9) is sent to collecting bag filter (11) by wind fan (10), the below of collecting bag filter (11) connects powdery basin (12).
4. carbon black production system as claimed in claim 3, it is characterized in that: the top of described waste gas bag filter (7) is divided into several waste gas locellus districts (31), between each waste gas locellus district (31) and waste stack (32), be connected by pipeline, on each pipeline, be respectively equipped with waste gas locellus control valve (33).
CN201420145922.7U 2014-03-28 2014-03-28 Carbon black production system Active CN203782080U (en)

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CN201420145922.7U CN203782080U (en) 2014-03-28 2014-03-28 Carbon black production system

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108434876A (en) * 2018-03-16 2018-08-24 茂名环星新材料股份有限公司 The flue gas open circuit carrying method of collection carbon black is flutterred in a kind of production of carbon black
CN108559314A (en) * 2018-04-23 2018-09-21 江西师范大学 A kind of efficient carbon black furnace
CN109971218A (en) * 2017-12-27 2019-07-05 Oci有限公司 Carbon black preparation facilities
CN112358747A (en) * 2020-11-09 2021-02-12 江西省永固新能源炭黑有限公司 Low-energy-consumption high-pigment carbon black production method and production equipment thereof
CN113549346A (en) * 2021-08-19 2021-10-26 隆昌炭黑有限责任公司 Production process of special carbon black

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109971218A (en) * 2017-12-27 2019-07-05 Oci有限公司 Carbon black preparation facilities
CN109971218B (en) * 2017-12-27 2021-04-20 Oci有限公司 Carbon black preparation device
CN108434876A (en) * 2018-03-16 2018-08-24 茂名环星新材料股份有限公司 The flue gas open circuit carrying method of collection carbon black is flutterred in a kind of production of carbon black
CN108559314A (en) * 2018-04-23 2018-09-21 江西师范大学 A kind of efficient carbon black furnace
CN108559314B (en) * 2018-04-23 2020-12-15 江西师范大学 Carbon black furnace
CN112358747A (en) * 2020-11-09 2021-02-12 江西省永固新能源炭黑有限公司 Low-energy-consumption high-pigment carbon black production method and production equipment thereof
CN113549346A (en) * 2021-08-19 2021-10-26 隆昌炭黑有限责任公司 Production process of special carbon black

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