CN204022721U - A kind of dry system of processing of carbon black wet granulation - Google Patents

A kind of dry system of processing of carbon black wet granulation Download PDF

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Publication number
CN204022721U
CN204022721U CN201420451275.2U CN201420451275U CN204022721U CN 204022721 U CN204022721 U CN 204022721U CN 201420451275 U CN201420451275 U CN 201420451275U CN 204022721 U CN204022721 U CN 204022721U
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flue gas
carbon black
outlet
drying machine
gas
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CN201420451275.2U
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王晓燕
张建雄
王春
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Shandong Huadong Rubber Material Co Ltd
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Shandong Huadong Rubber Material Co Ltd
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Abstract

The utility model relates to a kind of dry system of processing of carbon black wet granulation, and carbon black wet granulation dehumidification system of the present utility model comprises solid and gas tripping device, flue gas discharger, the first flue gas register, carbon black collection device and drying machine.The flue gas drying device of carbon black wet granulation of the present utility model, carry out the dry processing of stable carbon black by the waste heat of high-temperature flue gas, and reduce the generation of potential safety hazard and environmental pollution, make that whole heat-processed is energy-conservation, safety, environmental protection, and then reduce production costs, be applicable to industrial application.

Description

A kind of dry system of processing of carbon black wet granulation
Technical field
The utility model relates to a kind of dry system of processing of carbon black wet granulation, belongs to production of carbon black field.
Background technology
In conventional carbon black production process, need the powdery carbon black drying machine that adds water after granulator granulation again to add and just can become finished product after heat extraction moisture drying and use.The technical process of prior art is: adopt Reaktionsofen, utilize tar to produce carbon black and tail gas stream (being high-temperature flue gas) for raw material carries out thermo-cracking in stove under 1900 degree conditions Celsius, more than reacted tail gas stream temperature still reaches 1000 degree Celsius.Collect carbon black separation for following adopted filter bag device, need first to high-temperature flue gas spray cooling, make its temperature be down to 250 degree left and right and enter filter bag device.It is dry that carbon black after separating by filter bag device enters drying machine by tablets press, and the flue gas after separating by filter bag device enters roasting kiln burning, to provide drying source to drying machine.Drying machine is generally arranged with fire-box (or being heating furnace) outward at rotating cylinder, and the hot gas up to thousands of degree that roasting kiln produces enters fire-box, heats to drying machine by radiation, makes the cylinder inside of drying machine reach the drying process requirement of 300-500 degree.Flue gas after drying machine can also be collected carbon black again through secondary bag filter.Above-mentioned technique remains in following deficiency: the one, and tail gas is relatively wasted, and after need to burning by roasting kiln, supplies with drying oven; The 2nd, the temperature that enters moisture eliminator fire-box is too high, is unfavorable for safety operation; The 3rd, due to non-sealed between drying oven and fire-box, easily there is exhaust gas leakage, to environment.
Utility model content
The utility model, for above-mentioned the deficiencies in the prior art, provides a kind of carbon black wet granulation dehumidification system, its have safe, energy-conservation, the advantage such as reduce production costs.
The technical scheme that the utility model solves the problems of the technologies described above is as follows: a kind of carbon black wet granulation dehumidification system, comprises solid and gas tripping device A, flue gas discharger B, the first flue gas register C, carbon black collection device D and drying machine E;
Described solid and gas tripping device comprises cyclonic separator A1 and is positioned at the first discharging airtight valve A2 of described cyclonic separator below, described cyclonic separator A1 comprises smoke inlet and exhanst gas outlet, described exhanst gas outlet is divided into first outlet pipe road A3 and second exhaust pipe road A4, and described smoke inlet connects outside containing carbon black high-temperature flue gas;
Described carbon black collection device D comprises bag filter D1 and is positioned at the second discharging airtight valve D2 of bag filter lower end;
Described drying machine E comprises material inlet, material outlet, smoke inlet and exhanst gas outlet, is provided with tablets press F before described material inlet; Described exhanst gas outlet is connected with the entrance of described the first flue gas register C by air exhauster B3; The material inlet of described drying machine E and exhanst gas outlet, material outlet and smoke inlet are located at respectively the two ends of described drying machine;
Described flue gas discharger B comprises the first variable valve B1 and the second variable valve B2;
Described first outlet pipe road A3 is connected with the smoke inlet of described drying machine by described the first variable valve B1; described second exhaust pipe road A4 is connected with the entrance of described the first flue gas register C by described the second variable valve B2; the outlet of described the first flue gas register C is connected with the entrance of described bag filter D1; the outlet of the outlet of described the second discharging airtight valve D2 and described the first discharging airtight valve A2 collects, and is connected with the entrance of described tablets press F by pipeline.
Further, described the first flue gas register comprises cold water variable valve and water cooler.
Further, the material inlet of described drying machine is connected with described tablets press, and this material inlet is near described air exhauster; The material outlet of described drying machine is near described the first variable valve.
Drying machine of the present utility model comprises material inlet, material outlet, smoke inlet and exhanst gas outlet, material inlet and exhanst gas outlet, and material outlet and smoke inlet are located at respectively the two ends of described drying machine; And material inlet is near described air exhauster; The material outlet of described drying machine is near described the first variable valve.Visible, in drying machine, the throughput direction of flue gas is contrary with the throughput direction of carbon granules, and flue gas is entered after drying machine by the first variable valve direction, flows to the direction of air exhauster; Carbon granules is entered by the material inlet near described air exhauster direction, is discharged by the material outlet near described the first variable valve.
Further, the discharge end of described cyclonic separator ligation stove, is provided with the second flue gas register between described Reaktionsofen and cyclonic separator.The second flue gas register, for high-temperature flue gas being carried out to energy recovery and cold water cooling, is down to 500 DEG C of left and right by the temperature of high-temperature flue gas by 1000 DEG C above.
Reaktionsofen described in the utility model is the Reaktionsofen of producing primary carbon black, utilize tar to produce carbon black and tail gas stream (high-temperature flue gas) for raw material carries out thermo-cracking in stove under 1900 degree conditions Celsius, more than reacted tail gas stream temperature still reaches 1000 degree Celsius, more than throwing away and reaching 500 degree Celsius, can directly be used as dry wet carbon black after the cooling of energy recovery and cold water.
The invention also discloses a kind of flue gas drying technique of carbon black wet granulation, comprise aforementioned carbon black wet granulation dehumidification system, described solid and gas tripping device A accept that Reaktionsofen produces containing carbon black high-temperature flue gas, after entering cyclonic separator containing carbon black high-temperature flue gas by the smoke inlet of cyclonic separator A1, separate acquisition solid carbon black and flue gas, wherein, separated the first discharging airtight valve A2 that sinks to cyclonic separator bottom of solid carbon black send pipe to be transported to tablets press F by wind from the first discharging airtight valve is discharged; Flue gas is discharged from the exhanst gas outlet of cyclonic separator upper end; Wherein one flue gas enters drying machine by first outlet pipe road A3 by the smoke inlet of drying machine E under the control of the first variable valve B1, for heating the wet carbon granules from tablets press F, make the moisture evaporation drying in wet carbon granules, dried carbon granules is discharged by the material outlet of drying machine, and the flue gas of dry rear moisture content is extracted out by the exhanst gas outlet of drying machine by air exhauster B3; Remaining flue gas enters second exhaust pipe road A4 under the control of the second variable valve B2; after converging with the moisture content flue gas of first outlet pipe road discharge, enter the first flue gas register by the entrance of the first flue gas register C; flue-gas temperature is down to after 250~270 DEG C and is delivered to bag filter D1 by the outlet output of the first flue gas register C; by fume emission after bag filter dedusting; the solid carbon black that bag filter is collected, by the control of the second discharging airtight valve D2, send pipe to be delivered to tablets press E through wind.
Further, in drying machine, the throughput direction of flue gas is contrary with the throughput direction of carbon granules, and flue gas is entered after drying machine by the first variable valve direction, flows to the direction of air exhauster; Carbon granules is entered by the material inlet near described air exhauster direction, is discharged by the material outlet near described the first variable valve.
Further, what Reaktionsofen was produced contains carbon black high-temperature flue gas after the second flue gas register, and flue-gas temperature is down to more than 500 DEG C, and the high-temperature flue gas after cooling enters cyclonic separator.
Further, what Reaktionsofen was produced contains carbon black high-temperature flue gas after the second flue gas register, and flue-gas temperature is down to 500~600 DEG C, and the high-temperature flue gas after cooling enters cyclonic separator.
The dry heat technique of carbon black wet granulation of the present utility model, comprise the solid and gas tripping device for accepting the high temperature carbon black smoke that Reaktionsofen produces, high temperature carbon black smoke is after gas solid separation, bottom solid-state carbon black sinks to, be discharged to wind by the first discharging airtight valve and send pipe, gaseous state hot gas is discharged shunting from top, the wet carbon granules of drying machine heating that blast of hot air enters wet granulation carbon black after the first variable valve makes to be dried after its moisture evaporation, and hot gas water entrainment steam is deflated blower fan and extracts out; Another blast of hot air converges with the hot gas of water entrainment steam before after the second variable valve, transport to the first flue gas register and carry out chilling desuperheat, the damp-heat that controls to certain temperature discharges after bag filter dedusting, and the carbon black that bag filter is collected is discharged to wind by the second discharging airtight valve and send pipe.According to carbon black drying temperature control the first variable valve and the second variable valve.So do not need the thermal source that relies on again combustion tail gas to produce to be dried carbon black wet granulation, reach energy-saving effect, and can save equipment setup fee, and then reduce production costs.
The beneficial effects of the utility model are:
1) high-temperature flue gas of Reaktionsofen being discharged is as the thermal source of the drying machine of wet granulation carbon black, and the heat that replaces exhaust combustion to generate is dried, and has saved the consumption of tail gas;
2) type of heating of the utility model technique and system belongs to 500 degree left and right cryodryings Celsius, and it is low that ratio exhaust gas burning reaches the temperature of 1000 degrees Celsius, therefore relatively stable the and safety of carbon black drying temperature;
3) owing to adopting low-temperature heat, the generation of having avoided carbon black high temperature to catch fire, and flue gas course of conveying has reduced the generation of leaking, safety and environmental protection.
To sum up, flue gas drying device and the technique of carbon black wet granulation of the present utility model, carry out the dry processing of stable carbon black by the waste heat of high-temperature flue gas, and reduce the generation of potential safety hazard and environmental pollution, make that whole heat-processed is energy-conservation, safety, environmental protection, and then reduce production costs, be applicable to industrial application.
Brief description of the drawings
Fig. 1 is carbon black wet granulation dehumidification system figure;
Fig. 2 is another carbon black wet granulation dehumidification system figure.
The accessory that in Fig. 1-2, each label is indicated is as follows:
A. solid and gas tripping device
B. flue gas discharger
C. the first flue gas register
D. carbon black collection device
E. drying machine
F. tablets press
G. the second flue gas register
A1. cyclonic separator
A2. the first discharging airtight valve
A3. first outlet pipe road
A4. second exhaust pipe road
B1. the first variable valve
B2. the second variable valve
B3. air exhauster
D1. bag filter
D2. the second discharging airtight valve
Embodiment
Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
A kind of carbon black wet granulation dehumidification system as shown in Figure 1, comprises solid and gas tripping device A, flue gas discharger B, the first flue gas register C, carbon black collection device D and drying machine E;
Described solid and gas tripping device comprises cyclonic separator A1 and is positioned at the first discharging airtight valve A2 of described cyclonic separator below, described cyclonic separator A1 comprises smoke inlet and exhanst gas outlet, described exhanst gas outlet is divided into first outlet pipe road A3 and second exhaust pipe road A4, and described smoke inlet connects outside containing carbon black high-temperature flue gas;
Described carbon black collection device D comprises bag filter D1 and is positioned at the second discharging airtight valve D2 of bag filter lower end;
Described drying machine E comprises material inlet, material outlet, smoke inlet and exhanst gas outlet, is provided with tablets press F before described material inlet; Described exhanst gas outlet is connected with the entrance of described the first flue gas register C by air exhauster B3; The material inlet of described drying machine E and exhanst gas outlet, material outlet and smoke inlet are located at respectively the two ends of described drying machine;
Described flue gas discharger B comprises the first variable valve B1 and the second variable valve B2;
Described first outlet pipe road A3 is connected with the smoke inlet of described drying machine by described the first variable valve B1; described second exhaust pipe road A4 is connected with the entrance of described the first flue gas register C by described the second variable valve B2; the outlet of described the first flue gas register C is connected with the entrance of described bag filter D1; the outlet of the outlet of described the second discharging airtight valve D2 and described the first discharging airtight valve A2 collects, and is connected with the entrance of described tablets press F by pipeline.
When production, described solid and gas tripping device A accept that Reaktionsofen produces containing carbon black high-temperature flue gas, after entering cyclonic separator containing carbon black high-temperature flue gas by the smoke inlet of cyclonic separator A1, separate acquisition solid carbon black and flue gas, wherein, separated the first discharging airtight valve A2 that sinks to cyclonic separator bottom of solid carbon black send pipe to be transported to tablets press F by wind from the first discharging airtight valve is discharged; Flue gas is discharged from the exhanst gas outlet of cyclonic separator upper end; Wherein one flue gas enters drying machine by first outlet pipe road A3 by the smoke inlet of drying machine E under the control of the first variable valve B1, for heating the wet carbon granules from tablets press F, make the moisture evaporation drying in wet carbon granules, dried carbon granules is discharged by the material outlet of drying machine, and the flue gas of dry rear moisture content is extracted out by the exhanst gas outlet of drying machine by air exhauster B3; Remaining flue gas enters second exhaust pipe road A4 under the control of the second variable valve B2; after converging with the moisture content flue gas of first outlet pipe road discharge, enter the first flue gas register by the entrance of the first flue gas register C; flue-gas temperature is down to after 250~270 DEG C and is delivered to bag filter D1 by the outlet output of the first flue gas register C; by fume emission after bag filter dedusting; the solid carbon black that bag filter is collected, by the control of the second discharging airtight valve D2, send pipe to be delivered to tablets press E through wind.
A kind of carbon black wet granulation dehumidification system of the present utility model can also be as shown in Figure 2, comprises solid and gas tripping device A, flue gas discharger B, the first flue gas register C, carbon black collection device D and drying machine E;
Described solid and gas tripping device comprises cyclonic separator A1 and is positioned at the first discharging airtight valve A2 of described cyclonic separator below, described cyclonic separator A1 comprises smoke inlet and exhanst gas outlet, described exhanst gas outlet is divided into first outlet pipe road A3 and second exhaust pipe road A4, and described smoke inlet connects outside containing carbon black high-temperature flue gas;
Described carbon black collection device D comprises bag filter D1 and is positioned at the second discharging airtight valve D2 of bag filter lower end;
Described drying machine E comprises material inlet, material outlet, smoke inlet and exhanst gas outlet, is provided with tablets press F before described material inlet; Described exhanst gas outlet is connected with the entrance of described the first flue gas register C by air exhauster B3; The material inlet of described drying machine E and exhanst gas outlet, material outlet and smoke inlet are located at respectively the two ends of described drying machine;
Described flue gas discharger B comprises the first variable valve B1 and the second variable valve B2; Described first outlet pipe road A3 is connected with the smoke inlet of described drying machine by described the first variable valve B1, described second exhaust pipe road A4 is connected with the entrance of described the first flue gas register C by described the second variable valve B2, the outlet of described the first flue gas register C is connected with the entrance of described bag filter D1, the outlet of the outlet of described the second discharging airtight valve D2 and described the first discharging airtight valve A2 collects, and is connected with the entrance of described tablets press F by pipeline; Described the first flue gas register comprises cold water variable valve and water cooler; The material inlet of described drying machine is connected with described tablets press, and this material inlet is near described air exhauster; The material outlet of described drying machine is near described the first variable valve.
When production, described solid and gas tripping device A accept that Reaktionsofen produces containing carbon black high-temperature flue gas, after entering cyclonic separator containing carbon black high-temperature flue gas by the smoke inlet of cyclonic separator A1, separate acquisition solid carbon black and flue gas, wherein, separated the first discharging airtight valve A2 that sinks to cyclonic separator bottom of solid carbon black send pipe to be transported to tablets press F by wind from the first discharging airtight valve is discharged; Flue gas is discharged from the exhanst gas outlet of cyclonic separator upper end; Wherein one flue gas enters drying machine by first outlet pipe road A3 by the smoke inlet of drying machine E under the control of the first variable valve B1, for heating the wet carbon granules from tablets press F, make the moisture evaporation drying in wet carbon granules, dried carbon granules is discharged by the material outlet of drying machine, and the flue gas of dry rear moisture content is extracted out by the exhanst gas outlet of drying machine by air exhauster B3; Remaining flue gas enters second exhaust pipe road A4 under the control of the second variable valve B2; after converging with the moisture content flue gas of first outlet pipe road discharge, enter the first flue gas register by the entrance of the first flue gas register C; flue-gas temperature is down to after 250~270 DEG C and is delivered to bag filter D1 by the outlet output of the first flue gas register C; by fume emission after bag filter dedusting; the solid carbon black that bag filter is collected, by the control of the second discharging airtight valve D2, send pipe to be delivered to tablets press E through wind.In drying machine, the throughput direction of flue gas is contrary with the throughput direction of carbon granules, and flue gas is entered after drying machine by the first variable valve direction, flows to the direction of air exhauster; Carbon granules is entered by the material inlet near described air exhauster direction, is discharged by the material outlet near described the first variable valve.What Reaktionsofen was produced contains carbon black high-temperature flue gas after the second flue gas register, and flue-gas temperature is down to 500~600 DEG C, and the high-temperature flue gas after cooling enters cyclonic separator.
Operation air quantity approximately 12000 mark of producing (8000h) 20,000 tons of carbon blacks per year is vertical/hour, can produce the vertical flammable tail gas of 24000 marks.2.5 tons of tablets press granulations per hour, 1 ton of carbon black of every granulation needs the vertical flammable exhaust combustion of 2000 mark for dry, therefore 2.5 tons of carbon blacks of granulation need the vertical carbon black of 5000 mark, account for the vertical flammable tail gas of 24000 marks 20%.
Visible, act as the thermal source of wet granulation carbon black heat drying by the sensible heat of high-temperature flue gas, embody the consumption that UTILIZATION OF VESIDUAL HEAT IN can effectively reduce by 20% tail gas, and reduce equipment component device, make carbon black cryodrying and flue gas without leakage, not only can reduce costs, environment and safety are all improved to effect simultaneously.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims (2)

1. a carbon black wet granulation dehumidification system, it is characterized in that, comprise solid and gas tripping device (A), flue gas discharger (B), the first flue gas register (C), carbon black collection device (D) and drying machine (E);
Described solid and gas tripping device comprises cyclonic separator (A1) and is positioned at the first discharging airtight valve (A2) of described cyclonic separator below, described cyclonic separator (A1) comprises smoke inlet and exhanst gas outlet, described exhanst gas outlet is divided into first outlet pipe road (A3) and second exhaust pipe road (A4), and described smoke inlet connects outside containing carbon black high-temperature flue gas;
Described carbon black collection device (D) comprises bag filter (D1) and is positioned at the second discharging airtight valve (D2) of bag filter lower end;
Described drying machine (E) comprises material inlet, material outlet, smoke inlet and exhanst gas outlet, is provided with tablets press (F) before described material inlet; Described exhanst gas outlet is connected with the entrance of described the first flue gas register (C) by air exhauster (B3); Material inlet and the exhanst gas outlet of described drying machine (E), material outlet and smoke inlet are located at respectively the two ends of described drying machine;
Described flue gas discharger (B) comprises the first variable valve (B1) and the second variable valve (B2);
Described first outlet pipe road (A3) is connected with the smoke inlet of described drying machine by described the first variable valve (B1); described second exhaust pipe road (A4) is connected with the entrance of described the first flue gas register (C) by described the second variable valve (B2); the outlet of described the first flue gas register (C) is connected with the entrance of described bag filter (D1); the outlet of the outlet of described the second discharging airtight valve (D2) and described the first discharging airtight valve (A2) collects, and is connected with the entrance of described tablets press (F) by pipeline.
2. carbon black wet granulation dehumidification system according to claim 1, is characterized in that, described the first flue gas register comprises cold water variable valve and water cooler.
CN201420451275.2U 2014-08-12 2014-08-12 A kind of dry system of processing of carbon black wet granulation Active CN204022721U (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104231677A (en) * 2014-08-12 2014-12-24 山东华东橡胶材料有限公司 Carbon black wet-method granulation drying system and carbon black wet-method granulation drying process
CN113388271A (en) * 2021-08-16 2021-09-14 烁元新材料(东营)股份有限公司 Drying and cooling device for carbon black production and preparation method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104231677A (en) * 2014-08-12 2014-12-24 山东华东橡胶材料有限公司 Carbon black wet-method granulation drying system and carbon black wet-method granulation drying process
CN104231677B (en) * 2014-08-12 2017-02-01 山东华东橡胶材料有限公司 Carbon black wet-method granulation drying system and carbon black wet-method granulation drying process
CN113388271A (en) * 2021-08-16 2021-09-14 烁元新材料(东营)股份有限公司 Drying and cooling device for carbon black production and preparation method

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