CN114705059A - Process for online cleaning residual bonding material in furnace - Google Patents
Process for online cleaning residual bonding material in furnace Download PDFInfo
- Publication number
- CN114705059A CN114705059A CN202210254909.4A CN202210254909A CN114705059A CN 114705059 A CN114705059 A CN 114705059A CN 202210254909 A CN202210254909 A CN 202210254909A CN 114705059 A CN114705059 A CN 114705059A
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- Prior art keywords
- furnace
- asphalt
- reduced
- cleaning
- temperature
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- 239000000463 material Substances 0.000 title claims abstract description 43
- 238000004140 cleaning Methods 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 19
- 239000010426 asphalt Substances 0.000 claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 claims abstract description 22
- 239000000779 smoke Substances 0.000 claims abstract description 13
- 238000004321 preservation Methods 0.000 claims abstract description 8
- 239000000853 adhesive Substances 0.000 claims abstract description 6
- 230000001070 adhesive effect Effects 0.000 claims abstract description 6
- 238000007599 discharging Methods 0.000 claims abstract description 6
- 230000009467 reduction Effects 0.000 claims abstract description 6
- 238000002791 soaking Methods 0.000 claims description 12
- 230000009471 action Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 238000005469 granulation Methods 0.000 description 2
- 230000003179 granulation Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B32/00—Carbon; Compounds thereof
- C01B32/20—Graphite
- C01B32/205—Preparation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D25/00—Devices or methods for removing incrustations, e.g. slag, metal deposits, dust; Devices or methods for preventing the adherence of slag
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0028—Regulation
- F27D2019/0075—Regulation of the charge quantity
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Inorganic Chemistry (AREA)
- Furnace Details (AREA)
Abstract
The invention relates to the technical field of cleaning in a furnace, and discloses a process for cleaning residual bonding materials in the furnace on line, which comprises the following steps: s1, the feed amount in the furnace is reduced by 20-30%, and the reduction of the feed amount in a single furnace can ensure that the smoke in the furnace can be discharged more fully in the production process, so that the adhesive force of the bonding materials on the inner wall is reduced, and the smoke is smoothly discharged out of the furnace body during discharging; s2, the proportion of asphalt is reduced by 2%, and measures of properly reducing the proportion of single-furnace mixed asphalt are taken after the production furnace is increased to a certain period in the production process, so that the asphalt in the material adhered to the furnace wall is consumed to reduce the adhesion condition; according to the process for cleaning the residual bonding materials in the furnace on line, the feeding amount is reduced by 20-30% in the furnace, the proportion of asphalt is reduced by 2%, the temperature of the heat preservation section is increased by 50 ℃, the furnace can be cleaned on line, workers do not need to cool down and shut down the furnace, the furnace cleaning in production can not be influenced, the furnace does not need to be cleaned manually, and the risk that harmful gas is sucked in the furnace by manual cleaning can be avoided.
Description
Technical Field
The invention relates to the technical field of in-furnace cleaning, in particular to a process for online cleaning of residual bonding materials in a furnace.
Background
With the rapid development of the graphite industry at present, all enterprises carry out specific coating and granulation on materials so as to improve the performance of the product. A cladding granulation equipment that generally uses at present is the roller furnace, can produce the condition that the material adheres to roller furnace inner wall very easily in the production process, needs regularly to shut down artifical clearance. The current improvement methods comprise the following steps:
materials: the proportion of the materials is changed, but the cost control is increased;
equipment: the equipment parameters are adjusted, the cleaning is carried out regularly, but the data is unstable, different parameters are also adjusted according to different data, the cleaning period is frequent, and the safety risk of sucking toxic and harmful gases in the cleaning process of personnel during cleaning is high, so that the process for cleaning residual bonding materials in the furnace on line is to be improved.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a process for cleaning residual bonding materials in a furnace on line, which solves the problems in the background art.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a process for cleaning residual bonding materials in a furnace on line comprises the following steps:
s1, the feed amount in the furnace is reduced by 20-30%, and the reduction of the feed amount in a single furnace can ensure that the smoke in the furnace can be discharged more fully in the production process, so that the adhesive force of the bonding materials on the inner wall is reduced, and the smoke is smoothly discharged out of the furnace body during discharging;
s2, the proportion of asphalt is reduced by 2%, and measures of properly reducing the proportion of single-furnace mixed asphalt are taken after the production furnace is increased to a certain period in the production process, so that the asphalt in the material adhered to the furnace wall is consumed to reduce the adhesion condition;
and S3, increasing the temperature of the heat preservation section by 50 ℃, and setting the soaking temperature of the roller furnace according to the softening point of the asphalt material and the fraction escaping temperature.
In step S3, if the material is adhered to the inside of the rotary kiln, the temperature of the soaking section is increased appropriately, so that the fraction of the pitch can be sufficiently escaped and sintered.
(III) advantageous effects
The invention provides a process for cleaning residual bonding materials in a furnace on line, which has the following beneficial effects:
(1) according to the process for cleaning the residual bonding materials in the furnace on line, the feeding amount is reduced by 20-30% in the furnace, the proportion of asphalt is reduced by 2%, the temperature of the heat preservation section is increased by 50 ℃, the furnace can be cleaned on line, workers do not need to cool down and shut down the furnace, the production cleaning can not be influenced, the furnace does not need to be cleaned manually, and the risk that harmful gas is sucked in the furnace through manual cleaning can be avoided.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, the present invention provides a technical solution:
example 1
A process for cleaning residual bonding material in a furnace on line comprises the following steps:
s1, the feeding amount in the furnace is reduced by 20%, and the reduction of the feeding amount of a single furnace can ensure that the smoke in the furnace can be discharged relatively fully in the production process, so that the adhesive force of the bonding materials on the inner wall is reduced, and the smoke is smoothly discharged out of the furnace body during discharging;
s2, the proportion of asphalt is reduced by 2%, and measures of properly reducing the proportion of single-furnace mixed asphalt are taken after the number of production furnaces is increased to a certain period in the production process, so that the asphalt in the material adhered to the furnace wall is consumed to reduce the adhesion condition;
and S3, increasing the temperature of the heat preservation section by 50 ℃, setting the soaking temperature of the roller furnace according to the softening point and the fraction escape temperature of the asphalt material, and properly increasing the temperature of the soaking section under the condition that the material is adhered in the roller furnace so as to enable the fraction of the asphalt to escape and sinter fully.
Example 2
A process for cleaning residual bonding material in a furnace on line comprises the following steps:
s1, the feeding amount in the furnace is reduced by 30%, and the reduction of the feeding amount of a single furnace can ensure that the smoke in the furnace can be discharged relatively fully in the production process, so that the adhesive force of the bonding materials on the inner wall is reduced, and the smoke is smoothly discharged out of the furnace body during discharging;
s2, the proportion of asphalt is reduced by 2%, and measures of properly reducing the proportion of single-furnace mixed asphalt are taken after the production furnace is increased to a certain period in the production process, so that the asphalt in the material adhered to the furnace wall is consumed to reduce the adhesion condition;
and S3, increasing the temperature of the heat preservation section by 50 ℃, setting the soaking temperature of the roller furnace according to the softening point and the fraction escape temperature of the asphalt material, and properly increasing the temperature of the soaking section under the condition that the material is adhered in the roller furnace so as to enable the fraction of the asphalt to escape and sinter fully.
Example 3
A process for cleaning residual bonding material in a furnace on line comprises the following steps:
s1, the feed amount in the furnace is reduced by 25%, and the reduction of the feed amount in a single furnace can ensure that the smoke in the furnace can be discharged relatively fully in the production process, so that the adhesive force of the bonding materials on the inner wall is reduced, and the smoke is smoothly discharged out of the furnace body during discharging;
s2, the proportion of asphalt is reduced by 2%, and measures of properly reducing the proportion of single-furnace mixed asphalt are taken after the production furnace is increased to a certain period in the production process, so that the asphalt in the material adhered to the furnace wall is consumed to reduce the adhesion condition;
s3, increasing the temperature of the heat preservation section by 50 ℃, setting the soaking temperature of the roller furnace according to the softening point and fraction escape temperature of the asphalt material, and if the material is adhered in the roller furnace, properly increasing the temperature of the soaking section so as to fully escape and sinter the fraction of the asphalt
In conclusion, the working process of the invention is as follows: during operation, the feeding amount in the furnace is reduced by 20-30%, the feeding amount in a single furnace is reduced, so that the smoke in the furnace can be fully discharged in the production process, the proportion of asphalt is reduced by 2%, the temperature of the heat preservation section is increased by 50 ℃, the soaking temperature of the roller furnace is set according to the softening point of the asphalt material and the fraction escape temperature, and if the material is adhered in the roller furnace, the temperature of the soaking section can be properly increased, so that the fraction of the asphalt is fully escaped and sintered.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. A process for cleaning residual bonding materials in a furnace on line is characterized in that: the method comprises the following steps:
s1, the feed amount in the furnace is reduced by 20-30%, and the reduction of the feed amount in a single furnace can ensure that the smoke in the furnace can be discharged more fully in the production process, so that the adhesive force of the bonding materials on the inner wall is reduced, and the smoke is smoothly discharged out of the furnace body during discharging;
s2, the proportion of asphalt is reduced by 2%, and measures of properly reducing the proportion of single-furnace mixed asphalt are taken after the production furnace is increased to a certain period in the production process, so that the asphalt in the material adhered to the furnace wall is consumed to reduce the adhesion condition;
and S3, increasing the temperature of the heat preservation section by 50 ℃, and setting the soaking temperature of the roller furnace according to the softening point of the asphalt material and the fraction escape temperature.
2. The process of claim 1 for on-line cleaning of residual cementitious material in a furnace, comprising: in step S3, if the material is adhered to the inside of the rotary kiln, the temperature of the soaking section is increased appropriately, so that the fraction of the pitch can be sufficiently escaped and sintered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254909.4A CN114705059A (en) | 2022-03-15 | 2022-03-15 | Process for online cleaning residual bonding material in furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210254909.4A CN114705059A (en) | 2022-03-15 | 2022-03-15 | Process for online cleaning residual bonding material in furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114705059A true CN114705059A (en) | 2022-07-05 |
Family
ID=82169430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210254909.4A Pending CN114705059A (en) | 2022-03-15 | 2022-03-15 | Process for online cleaning residual bonding material in furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114705059A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005180726A (en) * | 2003-12-16 | 2005-07-07 | Mitsubishi Heavy Ind Ltd | Ash and slug property management device, and ash melting disposal facility and its method |
| CN203024578U (en) * | 2012-11-28 | 2013-06-26 | 浙江和鼎铜业有限公司 | Smelting furnace with bonding-preventing flue |
| CN107101498A (en) * | 2017-04-20 | 2017-08-29 | 韶关绿然再生资源发展有限公司 | The method for reducing dangerous waste incinerator rotary kiln coking |
| CN109028995A (en) * | 2018-07-10 | 2018-12-18 | 云南驰宏锌锗股份有限公司 | A method of processing Isa furnace feed opening dross |
| CN110879014A (en) * | 2019-11-14 | 2020-03-13 | 云南大地丰源环保有限公司 | Online self-coke-cleaning technology for rotary kiln of hazardous waste incineration system |
| CN111594853A (en) * | 2020-04-30 | 2020-08-28 | 山东清博生态材料综合利用有限公司 | Coke inhibitor for hazardous waste incineration kiln |
| CN111947473A (en) * | 2020-07-06 | 2020-11-17 | 嘉峪关宏电铁合金有限责任公司 | Furnace body protecting method for submerged arc furnace |
| CN212482069U (en) * | 2020-06-09 | 2021-02-05 | 北京润泰环保科技有限公司 | Anti-coking device for kiln tail of hazardous waste rotary kiln |
-
2022
- 2022-03-15 CN CN202210254909.4A patent/CN114705059A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005180726A (en) * | 2003-12-16 | 2005-07-07 | Mitsubishi Heavy Ind Ltd | Ash and slug property management device, and ash melting disposal facility and its method |
| CN203024578U (en) * | 2012-11-28 | 2013-06-26 | 浙江和鼎铜业有限公司 | Smelting furnace with bonding-preventing flue |
| CN107101498A (en) * | 2017-04-20 | 2017-08-29 | 韶关绿然再生资源发展有限公司 | The method for reducing dangerous waste incinerator rotary kiln coking |
| CN109028995A (en) * | 2018-07-10 | 2018-12-18 | 云南驰宏锌锗股份有限公司 | A method of processing Isa furnace feed opening dross |
| CN110879014A (en) * | 2019-11-14 | 2020-03-13 | 云南大地丰源环保有限公司 | Online self-coke-cleaning technology for rotary kiln of hazardous waste incineration system |
| CN111594853A (en) * | 2020-04-30 | 2020-08-28 | 山东清博生态材料综合利用有限公司 | Coke inhibitor for hazardous waste incineration kiln |
| CN212482069U (en) * | 2020-06-09 | 2021-02-05 | 北京润泰环保科技有限公司 | Anti-coking device for kiln tail of hazardous waste rotary kiln |
| CN111947473A (en) * | 2020-07-06 | 2020-11-17 | 嘉峪关宏电铁合金有限责任公司 | Furnace body protecting method for submerged arc furnace |
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