CN111678338A - Combustion chamber adjusting process of petroleum coke calcination rotary kiln - Google Patents
Combustion chamber adjusting process of petroleum coke calcination rotary kiln Download PDFInfo
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- CN111678338A CN111678338A CN202010470365.6A CN202010470365A CN111678338A CN 111678338 A CN111678338 A CN 111678338A CN 202010470365 A CN202010470365 A CN 202010470365A CN 111678338 A CN111678338 A CN 111678338A
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- China
- Prior art keywords
- combustion chamber
- controlled
- rotary kiln
- petroleum coke
- flue gas
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention aims to disclose a process for adjusting a combustion chamber of a petroleum coke calcination rotary kiln, wherein the temperature of the combustion chamber is controlled to 1090-1400 ℃, and the oxygen content in flue gas is controlled to 8.0-9.0%; compared with the prior art, the burning-out rate of dust and volatile components in the petroleum coke is improved, and the ash discharge amount of a waste heat dust remover is reduced; the kiln condition is stabilized, the filling rate of the rotary kiln is improved to more than 11 percent, the flying of materials in the kiln is reduced, the actual yield is improved, and the quality of calcined coke is improved; the optimal oxygen content in the flue gas at the inlet and the outlet of the desulfurizing tower is determined, and the aim of the invention is realized.
Description
Technical Field
The invention relates to a rotary kiln combustion chamber adjusting process, in particular to a rotary kiln combustion chamber adjusting process for petroleum coke calcination.
Background
In the prior art, the tail gas treatment of the first domestic rotary kiln system imitating the METSO technology still adopts the domestic traditional technology. The following problems exist in operation: the temperature of the combustion chamber reaches 1300-1380 ℃, and the lining is maintained for 2 times per year on average; the combustion chamber can not fully combust the dust-containing smoke, most of dust is sucked into a boiler and a bag-type dust collector, dust is collected for 1.5-2t every day, and sparks are mixed in the carbon powder, so that potential safety hazards exist; the boiler economizer pipeline is influenced by the fact that the rotary kiln smoke cannot be fully combusted, a large amount of smoke is accumulated on the pipeline after the boiler economizer pipeline is operated for a period of time, the heat efficiency is influenced, the pipeline is easy to corrode, the service life is shortened, and the boiler economizer pipeline needs to be stopped to clean aggregate once every 50 days, which is time-consuming and labor-consuming; ash and sulfur in the flue gas of the rotary kiln scale on the inner pipe wall of the boiler, so that the heat exchange efficiency of the boiler is low and the pipe wall of the boiler is corroded; the calcined coke has low actual yield, measures such as raw material control and burning loss reduction are adopted, and the actual yield cannot be improved; the product quality is low.
Therefore, there is a particular need for a process for adjusting the combustion chamber of a rotary kiln for calcining petroleum coke to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a process for adjusting a combustion chamber of a petroleum coke calcination rotary kiln, which aims at the defects of the prior art, is easy to realize and convenient and feasible under the existing conditions, greatly improves the production efficiency and reduces the production cost.
The technical problem solved by the invention can be realized by adopting the following technical scheme:
a combustion chamber adjusting process of a petroleum coke calcination rotary kiln is characterized in that the temperature of the combustion chamber is controlled to 1090-1400 ℃, and the oxygen content in flue gas is controlled to 8.0-9.0%.
In one embodiment of the invention, the temperature of the combustion chamber is controlled at 1120-1360 ℃ and the oxygen content in the flue gas is controlled at 8.5-9.5%.
In one embodiment of the invention, the temperature of the combustion chamber is controlled at 1150-1320 ℃, and the oxygen content in the flue gas is controlled at 9.0-10.0%.
In one embodiment of the invention, the temperature of the combustion chamber is controlled at 1180-1280 ℃, and the oxygen content in the flue gas is controlled at 9.5-10.5%.
In one embodiment of the invention, the temperature of the combustion chamber is controlled at 1200-1250 ℃, and the oxygen content in the flue gas is controlled at 10.0-11.0%.
Compared with the prior art, the process for adjusting the combustion chamber of the petroleum coke calcination rotary kiln improves the burning rate of dust and volatile components in the petroleum coke, and reduces the ash discharge amount of a waste heat dust remover; the kiln condition is stabilized, the filling rate of the rotary kiln is improved to more than 11 percent, the flying of materials in the kiln is reduced, the actual yield is improved, and the quality of calcined coke is improved; the optimal oxygen content in the flue gas at the inlet and the outlet of the desulfurizing tower is determined, and the aim of the invention is realized.
The features of the present invention will be clearly understood by reference to the following detailed description of the preferred embodiments of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained by combining the concrete.
According to the process for adjusting the combustion chamber of the petroleum coke calcination rotary kiln, the temperature of the combustion chamber is controlled to 1090-1400 ℃, and the oxygen content in flue gas is controlled to 8.0-9.0%.
Example 1
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1090 ℃, and the oxygen content in the flue gas is controlled at 8.0%.
Example 2
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1400 ℃, and the oxygen content in the flue gas is controlled at 9.0 percent.
Example 3
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1120 ℃, and the oxygen content in the flue gas is controlled at 8.5 percent.
Example 4
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1150 ℃, and the oxygen content in the flue gas is controlled at 9.0%.
Example 5
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1320 ℃, and the oxygen content in the flue gas is controlled at 10.0 percent.
Example 6
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1180 ℃, and the oxygen content in the flue gas is controlled at 9.5%.
Example 7
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1280 ℃, and the oxygen content in the flue gas is controlled at 10.5%.
Example 8
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1200 ℃, and the oxygen content in the flue gas is controlled at 10.0%.
Example 9
In this embodiment, the process for adjusting the combustion chamber of the rotary kiln for calcining petroleum coke comprises the following steps:
the temperature of the combustion chamber is controlled at 1250 ℃, and the oxygen content in the flue gas is controlled at 11.0 percent.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are merely illustrative of the principles of the present invention, but that various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined by the appended claims and their equivalents.
Claims (5)
1. A combustion chamber adjusting process of a petroleum coke calcination rotary kiln is characterized in that the temperature of the combustion chamber is controlled to 1090-1400 ℃, and the oxygen content in flue gas is controlled to 8.0-9.0%.
2. The process for adjusting the combustion chamber of the petroleum coke calcination rotary kiln as recited in claim 1, wherein the temperature of the combustion chamber is controlled to 1120-1360 ℃ and the oxygen content in the flue gas is controlled to 8.5-9.5%.
3. The process for adjusting the combustion chamber of the petroleum coke calcination rotary kiln as recited in claim 1, wherein the temperature of the combustion chamber is controlled to 1150-1320 ℃, and the oxygen content in the flue gas is controlled to 9.0-10.0%.
4. The process for adjusting the combustion chamber of the petroleum coke calcination rotary kiln as recited in claim 1, wherein the temperature of the combustion chamber is controlled at 1180-1280 ℃, and the oxygen content in the flue gas is controlled at 9.5-10.5%.
5. The process for adjusting the combustion chamber of the petroleum coke calcination rotary kiln as recited in claim 1, wherein the temperature of the combustion chamber is controlled to 1200-1250 ℃, and the oxygen content in the flue gas is controlled to 10.0-11.0%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470365.6A CN111678338A (en) | 2020-05-28 | 2020-05-28 | Combustion chamber adjusting process of petroleum coke calcination rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010470365.6A CN111678338A (en) | 2020-05-28 | 2020-05-28 | Combustion chamber adjusting process of petroleum coke calcination rotary kiln |
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| Publication Number | Publication Date |
|---|---|
| CN111678338A true CN111678338A (en) | 2020-09-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010470365.6A Pending CN111678338A (en) | 2020-05-28 | 2020-05-28 | Combustion chamber adjusting process of petroleum coke calcination rotary kiln |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115771889A (en) * | 2022-11-22 | 2023-03-10 | 陕西科技大学 | In-situ combustion synthesis method of cobalt-iron loaded porous carbon sponge wave-absorbing material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377381A (en) * | 2007-08-31 | 2009-03-04 | 沈阳铝镁设计研究院 | Method and apparatus for processing high temperature flue gas of petroleum coke calcined by rotary kiln |
| CN107726847A (en) * | 2017-10-30 | 2018-02-23 | 郑州诚开炉窑技术有限公司 | A kind of temperature intelligent adjusting method for being used to calcine stove |
-
2020
- 2020-05-28 CN CN202010470365.6A patent/CN111678338A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101377381A (en) * | 2007-08-31 | 2009-03-04 | 沈阳铝镁设计研究院 | Method and apparatus for processing high temperature flue gas of petroleum coke calcined by rotary kiln |
| CN107726847A (en) * | 2017-10-30 | 2018-02-23 | 郑州诚开炉窑技术有限公司 | A kind of temperature intelligent adjusting method for being used to calcine stove |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115771889A (en) * | 2022-11-22 | 2023-03-10 | 陕西科技大学 | In-situ combustion synthesis method of cobalt-iron loaded porous carbon sponge wave-absorbing material |
| CN115771889B (en) * | 2022-11-22 | 2024-05-10 | 西安英利科电气科技有限公司 | In-situ combustion synthesis method of cobalt-iron loaded porous carbon sponge wave-absorbing material |
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Application publication date: 20200918 |