CN112625465A - Carbon black production system and process capable of performing reflux treatment on unqualified carbon black - Google Patents
Carbon black production system and process capable of performing reflux treatment on unqualified carbon black Download PDFInfo
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- CN112625465A CN112625465A CN202011553146.0A CN202011553146A CN112625465A CN 112625465 A CN112625465 A CN 112625465A CN 202011553146 A CN202011553146 A CN 202011553146A CN 112625465 A CN112625465 A CN 112625465A
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- carbon black
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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
- C09C1/56—Treatment of carbon black ; Purification
Abstract
The invention discloses a carbon black production system capable of performing reflux treatment on unqualified carbon black, which comprises a rotary dryer, a lifting machine, an unqualified product storage tank and a product tank, and further comprises a first three-way valve and a second three-way valve, wherein a discharge port of the rotary dryer is connected with an input end of the lifting machine, an output end of the lifting machine is connected with one port of the first three-way valve, the other two ports of the first three-way valve are respectively connected with one port of the product tank and one port of the second three-way valve, and the other two ports of the second three-way valve are respectively connected with feed inlets of the rotary dryer and the unqualified product storage tank. The invention uses the unqualified carbon black reflux channel and the original carbon black reprocessing system in a mutually matched way, perfects the unqualified carbon black reprocessing system of the original carbon black device, basically can meet the processing requirement of unqualified carbon black in production, improves the product qualification rate and quality, solves the technical problem of easy blockage of a pipeline, and leads the reprocessing of the carbon black to be easier.
Description
Technical Field
The invention relates to the field of carbon black production, in particular to a carbon black production system and a carbon black production process capable of performing reflux treatment on unqualified carbon black.
Background
At present, a rotary dryer used by domestic carbon black enterprises does not have a defective carbon black reflux device, and the conventional defective carbon black treatment technology of the carbon black enterprises has certain limitations although being mature, and is mainly embodied in the following two aspects:
(1) treatment of unqualified products:
unqualified products appearing in the production process or unqualified particles screened by the screening machine are sent to an unqualified product tank, sent to a reprocessing bag filter by a reprocessing fan, filtered together with carbon black-containing gas of a dust collection system of the equipment and a dust collection system of a packaging machine, and recycled carbon black is sent to an air supply system again, crushed by a micronizer, granulated again and dried to obtain qualified products. The processing mode is mature and commonly used, and the problems are that after chemical feeding, unqualified products in the initial granulation stage, unqualified products in the failure period, unqualified products with excessive moisture, unqualified products in the transition period of transferring production and the like are all thrown into an unqualified product tank, the reprocessing difficulty is high, pipelines are easy to block, the unqualified product tank is often full, one bin of a product tank is taken as an unqualified product bin and is often sold as a defective product, and the operation cost is increased.
(2) The product quality fluctuates:
the carbon black pellets discharged from the wet granulator generally contain about 50% of water and must be dried to a water content of 1% or less before being used as a finished product. The drying of wet carbon black is completed by a rotary dryer, the temperature of the carbon black at the outlet of the dryer is mainly controlled in the range of 200-220 ℃ in production, but after temporary failure or temporary stop in the production process, the temperature TRA-200 at the outlet of the dryer is reduced to 150-170 ℃, and the carbon black still enters a product bin, so that the water content of products in the product bin fluctuates, large blocks of carbon black locally appear in the carbon black bin, the packaging and blanking are not smooth, and the quality of batch products is unstable.
Disclosure of Invention
Aiming at the problems, the invention provides a carbon black production system and a process capable of performing reflux treatment on unqualified carbon black, wherein a unqualified product reflux channel is additionally arranged in the carbon black production system, so that the unqualified product can be directly subjected to reflux treatment, the defective rate of the carbon black is reduced, the production and operation cost is reduced, the energy is saved, the consumption is reduced, the requirements on safety and environmental protection can be met, the economic benefit of an enterprise is improved, meanwhile, the requirements of customers are met, good social benefit is achieved, and the blank that a domestic dryer system has no direct reflux device is filled.
The technical scheme of the invention is as follows:
the utility model provides a can be to carbon black production system of defective product carbon black reflux treatment, includes rotary dryer, lifting machine, defective product basin and product jar, still includes first three-way valve and second three-way valve, rotary dryer's discharge gate is connected with the input of lifting machine, the output of lifting machine is connected with one of them opening of first three-way valve, two other openings of first three-way valve are connected with one of them opening of product jar and second three-way valve respectively, two other openings of second three-way valve are connected with the feed inlet of rotary dryer and defective product storage tank respectively.
The working principle of the technical scheme is as follows:
the invention uses the unqualified carbon black reflux channel and the original carbon black reprocessing system in a mutually matched way, perfects the unqualified carbon black reprocessing system of the original carbon black device, basically can meet the processing requirement of unqualified carbon black in production, improves the product qualification rate and quality, solves the technical problem of easy blockage of a pipeline, and leads the reprocessing of the carbon black to be easier.
In a further technical scheme, a screw conveyer is arranged between the second three-way valve and a feed inlet of the rotary dryer.
In a further technical scheme, a discharge hole of the unqualified product storage tank is connected with a retreatment bag filter through a retreatment fan.
In a further technical scheme, a temperature sensor is arranged at a discharge port of the rotary dryer.
The invention also provides a carbon black production process which applies the system and can carry out reflux treatment on unqualified carbon black, and the technical scheme is as follows:
a carbon black production process capable of performing reflux treatment on unqualified carbon black comprises the following steps:
s1, sequentially and additionally installing a first three-way valve and a second three-way valve at the rear end of a hoister on a carbon black conveying route in a carbon black production system, and additionally installing a spiral conveyor between the second three-way valve and a feed inlet of a rotary dryer to form a carbon black return channel of an unqualified product;
s2, arranging a temperature sensor at the discharge port of the rotary dryer, and performing interlocking control on the temperatures of the first three-way valve, the second three-way valve and the discharge port of the rotary dryer;
and S3, detecting the material temperature of the discharge port of the rotary dryer in real time, and planning the conveying route of the carbon black material according to the material temperature of the discharge port of the rotary dryer and the quality index of the carbon black material.
In a further technical solution, in step S3, the method for planning the transportation route of the carbon black material is as follows:
when the material temperature of a discharge port of the rotary dryer is less than 200 ℃, sending alarm information;
when the material temperature of the discharge port of the rotary dryer is lower than 190 ℃, the through port connected with the first three-way valve and the second communication valve is opened, the through port connected with the second communication valve and the screw conveyor is opened, so that the unqualified carbon black backflow channel is communicated, and the unqualified carbon black returns to the rotary dryer along the unqualified carbon black backflow channel to be continuously dried;
when the material temperature of the discharge port of the rotary dryer is higher than 200 ℃ and other quality indexes of the carbon black are unqualified, the through port connected with the first three-way valve and the second communication valve is opened, the through port connected with the unqualified product storage tank is opened, the unqualified product carbon black backflow channel is closed at the moment, and the unqualified product carbon black enters the unqualified product storage tank and is processed by the original carbon black reprocessing system;
when the material temperature of the discharge hole of the rotary dryer is higher than 200 ℃ and other quality indexes of the carbon black are qualified, the opening of the first three-way valve connected with the product tank is opened, and qualified carbon black enters the product tank to be collected.
The invention has the beneficial effects that:
the production system is additionally provided with a unqualified carbon black treatment way, and the unqualified carbon black coming out of the rotary dryer can be subjected to reflux treatment when the device is started and stopped and has temporary faults, namely, the unqualified carbon black with excessive water content is refluxed into the rotary dryer to be continuously dried, so that the load of an unqualified storage tank can be effectively reduced, the condition that the pipeline of the unqualified storage tank is blocked in the carbon black reprocessing process is reduced, the defective rate of the carbon black is reduced, the production and operation cost is reduced, energy is saved, consumption is reduced, the requirements on safety and environmental protection can be met, the economic benefit of enterprises is improved, meanwhile, the requirements of customers are met, good social benefits are achieved, and the blank that no unqualified carbon black direct reflux device exists in a domestic carbon black device dryer system.
Drawings
FIG. 1 is a flow diagram of a carbon black production system that can be used to recycle off-grade carbon black in accordance with an embodiment of the present invention.
Description of reference numerals:
10. a rotary dryer; 20. a screw conveyor; 30. a hoist; 40. a first three-way valve; 50. a second three-way valve; 60. storing a unqualified product; 70. and then treating the fan.
Detailed Description
The embodiments of the present invention will be further described with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, a carbon black production system capable of performing reflux treatment on unqualified carbon black comprises a rotary dryer 10, a lifting machine 30, an unqualified product storage tank 60 and a product tank, and further comprises a first three-way valve 40 and a second three-way valve 50, wherein a discharge port of the rotary dryer 10 is connected with an input end of the lifting machine 30, an output end of the lifting machine 30 is connected with one of the ports of the first three-way valve 40, the other two ports of the first three-way valve 40 are respectively connected with one of the ports of the product tank and the second three-way valve 50, and the other two ports of the second three-way valve 50 are respectively connected with feed inlets of the rotary dryer 10 and the unqualifie.
The working principle of the technical scheme is as follows:
the production system provided by the invention is additionally provided with a unqualified carbon black treatment way, and can be used for carrying out reflux treatment on unqualified carbon black discharged from the rotary dryer 10 when the device is started and stopped and a temporary fault occurs, namely, the unqualified carbon black with excessive water content is refluxed into the rotary dryer 10 to be continuously dried, so that the load of the unqualified product storage tank 60 can be effectively reduced, the condition that a pipeline is blocked in the carbon black reprocessing process of the unqualified product storage tank 60 is reduced, the defective rate of the carbon black is reduced, the production running cost is reduced, the energy is saved, the consumption is reduced, the requirements on safety and environmental protection can be met, the economic benefit of an enterprise is improved, meanwhile, the customer demand is met, the social benefit is good, and the blank that no unqualified carbon black direct reflux device exists.
The invention uses the unqualified carbon black reflux channel and the original carbon black reprocessing system in a mutually matched way, perfects the unqualified carbon black reprocessing system of the original carbon black device, basically can meet the processing requirement of unqualified carbon black in production, improves the product qualification rate and quality, solves the technical problem of easy blockage of a pipeline, and leads the reprocessing of the carbon black to be easier.
In the present embodiment, as shown in fig. 1, a screw conveyor 20 is provided between the second three-way valve 50 and the feed inlet of the rotary dryer 10.
In this embodiment, the outlet of the reject holding tank 60 is connected to a reprocessing bag filter by a reprocessing fan 70.
In the present embodiment, a temperature sensor is provided at the discharge port of the rotary dryer 10, and the first three-way valve 40 and the second three-way valve 50 are controlled in a chain with the temperature TRA-200 at the discharge port of the rotary dryer 10.
The embodiment also provides a carbon black production process which can carry out reflux treatment on unqualified carbon black by applying the system, and the process comprises the following steps:
s1, sequentially and additionally installing a first three-way valve and a second three-way valve at the rear end of a hoister on a carbon black conveying route in a carbon black production system, and additionally installing a spiral conveyor between the second three-way valve and a feed inlet of a rotary dryer to form a carbon black return channel of an unqualified product;
s2, arranging a temperature sensor at the discharge port of the rotary dryer, and performing interlocking control on the first three-way valve, the second three-way valve and the temperature TRA-200 of the discharge port of the rotary dryer;
and S3, detecting the temperature TRA-200 of the material at the discharge port of the rotary dryer in real time, and planning the conveying route of the carbon black material according to the temperature TRA-200 of the material at the discharge port of the rotary dryer and the quality index of the carbon black material.
In this embodiment, in step S3, the method for planning the transportation route of the carbon black material is as follows:
when the temperature TRA-200 of the material at the discharge port of the rotary dryer is less than 200 ℃, sending alarm information;
when the material temperature TRA-200 at the discharge port of the rotary dryer is lower than 190 ℃, the through port connected with the first three-way valve and the second communication valve is opened, the through port connected with the second communication valve and the screw conveyor is opened, so that the unqualified carbon black return channels are communicated, and the unqualified carbon black returns to the rotary dryer along the unqualified carbon black return channels to be continuously dried;
when the material temperature TRA-200 at the discharge port of the rotary dryer is greater than 200 ℃, but other quality indexes of the carbon black are unqualified, the through port connected with the first three-way valve and the second communication valve is opened, the through port connected with the unqualified product storage tank is opened, the unqualified product carbon black backflow channel is closed, and the unqualified product carbon black enters the unqualified product storage tank and is processed by the original carbon black reprocessing system;
when the temperature TRA-200 of the material at the discharge port of the rotary dryer is higher than 200 ℃ and other quality indexes of the carbon black are qualified, the port connected with the product tank through the first three-way valve is opened, and qualified carbon black enters the product tank to be collected.
The above-mentioned embodiments only express the specific embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.
Claims (6)
1. The utility model provides a can be to carbon black production system of defective product carbon black reflux treatment, includes rotary dryer, lifting machine, defective product basin and product jar, its characterized in that still includes first three-way valve and second three-way valve, rotary dryer's discharge gate is connected with the input of lifting machine, the output of lifting machine is connected with one of them opening of first three-way valve, two other openings of first three-way valve are connected with one of them opening of product jar and second three-way valve respectively, two other openings of second three-way valve are connected with the feed inlet of rotary dryer and defective product storage tank respectively.
2. The system for producing carbon black capable of performing reflux treatment on unqualified carbon black according to claim 1, wherein a screw conveyer is arranged between the second three-way valve and the feed inlet of the rotary dryer.
3. The system for producing carbon black capable of performing reflux treatment on unqualified carbon black according to claim 1, wherein the discharge port of the unqualified product storage tank is connected with the reprocessing bag filter through the reprocessing fan.
4. The system for producing carbon black capable of performing reflux treatment on unqualified carbon black according to claim 1, wherein a temperature sensor is arranged at the discharge port of the rotary dryer.
5. A carbon black production process capable of performing reflux treatment on unqualified carbon black is characterized by comprising the following steps:
s1, sequentially and additionally installing a first three-way valve and a second three-way valve at the rear end of a hoister on a carbon black conveying route in a carbon black production system, and additionally installing a spiral conveyor between the second three-way valve and a feed inlet of a rotary dryer to form a carbon black return channel of an unqualified product;
s2, arranging a temperature sensor at the discharge port of the rotary dryer, and performing interlocking control on the temperatures of the first three-way valve, the second three-way valve and the discharge port of the rotary dryer;
and S3, detecting the material temperature of the discharge port of the rotary dryer in real time, and planning the conveying route of the carbon black material according to the material temperature of the discharge port of the rotary dryer and the quality index of the carbon black material.
6. The process of claim 5, wherein the step S3 of planning the transportation route of the carbon black material comprises the following steps:
when the material temperature of a discharge port of the rotary dryer is less than 200 ℃, sending alarm information;
when the material temperature of the discharge port of the rotary dryer is lower than 190 ℃, the through port connected with the first three-way valve and the second communication valve is opened, the through port connected with the second communication valve and the screw conveyor is opened, so that the unqualified carbon black backflow channel is communicated, and the unqualified carbon black returns to the rotary dryer along the unqualified carbon black backflow channel to be continuously dried;
when the material temperature of the discharge port of the rotary dryer is higher than 200 ℃ and other quality indexes of the carbon black are unqualified, the through port connected with the first three-way valve and the second communication valve is opened, the through port connected with the unqualified product storage tank is opened, the unqualified product carbon black backflow channel is closed at the moment, and the unqualified product carbon black enters the unqualified product storage tank and is processed by the original carbon black reprocessing system;
when the material temperature of the discharge hole of the rotary dryer is higher than 200 ℃ and other quality indexes of the carbon black are qualified, the opening of the first three-way valve connected with the product tank is opened, and qualified carbon black enters the product tank to be collected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011553146.0A CN112625465A (en) | 2020-12-24 | 2020-12-24 | Carbon black production system and process capable of performing reflux treatment on unqualified carbon black |
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| CN202011553146.0A CN112625465A (en) | 2020-12-24 | 2020-12-24 | Carbon black production system and process capable of performing reflux treatment on unqualified carbon black |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856596A (en) * | 2021-10-22 | 2021-12-31 | 广东长信精密设备有限公司 | Methyl iodide apparatus for producing |
| CN114773883A (en) * | 2022-05-12 | 2022-07-22 | 乌海黑猫炭黑有限责任公司 | Carbon black online ladle to ladle device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206378737U (en) * | 2017-01-06 | 2017-08-04 | 福建龙岩精博化工科技有限公司 | A kind of white carbon black production flow intelligent control system |
| CN209341727U (en) * | 2018-11-14 | 2019-09-03 | 北京万向新元科技股份有限公司 | A kind of damaged tire cracking black carbon industrialization drying system and its roller drier |
-
2020
- 2020-12-24 CN CN202011553146.0A patent/CN112625465A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206378737U (en) * | 2017-01-06 | 2017-08-04 | 福建龙岩精博化工科技有限公司 | A kind of white carbon black production flow intelligent control system |
| CN209341727U (en) * | 2018-11-14 | 2019-09-03 | 北京万向新元科技股份有限公司 | A kind of damaged tire cracking black carbon industrialization drying system and its roller drier |
Non-Patent Citations (2)
| Title |
|---|
| 姜艳: "湿法造粒生产炭黑新工艺的研究", 《中国优秀硕士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 王永刚等主编: "《化工工艺学》", 30 September 2014, 徐州：中国矿业大学出版社 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113856596A (en) * | 2021-10-22 | 2021-12-31 | 广东长信精密设备有限公司 | Methyl iodide apparatus for producing |
| CN114773883A (en) * | 2022-05-12 | 2022-07-22 | 乌海黑猫炭黑有限责任公司 | Carbon black online ladle to ladle device |
| CN114773883B (en) * | 2022-05-12 | 2023-08-29 | 乌海黑猫炭黑有限责任公司 | Online carbon black unpacking device |
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Application publication date: 20210409 |
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