CN112625696A - Coal charging hole/smoke guide hole and ascending pipe hole structure on top of coke oven - Google Patents
Coal charging hole/smoke guide hole and ascending pipe hole structure on top of coke oven Download PDFInfo
- Publication number
- CN112625696A CN112625696A CN202011616090.9A CN202011616090A CN112625696A CN 112625696 A CN112625696 A CN 112625696A CN 202011616090 A CN202011616090 A CN 202011616090A CN 112625696 A CN112625696 A CN 112625696A
- Authority
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- China
- Prior art keywords
- hole
- coke oven
- coal charging
- smoke guide
- bypass
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000000571 coke Substances 0.000 title claims abstract description 69
- 239000000779 smoke Substances 0.000 title claims abstract description 66
- 239000003245 coal Substances 0.000 title claims abstract description 60
- 230000001174 ascending effect Effects 0.000 title claims abstract description 41
- 238000003763 carbonization Methods 0.000 claims abstract description 18
- 238000004939 coking Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 abstract description 17
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000002485 combustion reaction Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 208000004067 Flatfoot Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B29/00—Other details of coke ovens
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10B—DESTRUCTIVE DISTILLATION OF CARBONACEOUS MATERIALS FOR PRODUCTION OF GAS, COKE, TAR, OR SIMILAR MATERIALS
- C10B27/00—Arrangements for withdrawal of the distillation gases
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a coal charging hole/smoke guide hole and ascending pipe hole structure on the top of a coke oven, wherein the top of the coke oven is provided with a plurality of coal charging holes/smoke guide holes, and the top of the coke oven close to the machine side or the coke side is provided with ascending pipe holes; the coal charging hole/smoke guide hole and the ascending pipe hole are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole/smoke guide hole and the corresponding ascending pipe hole, and the lower end of each bypass hole is communicated with the carbonization chamber. The invention increases the airflow circulation area at the coal loading hole/smoke guide hole and the ascending pipe and reduces the system resistance of gas circulation by arranging the bypass hole, thereby effectively improving the raw coke oven gas and smoke dust collection efficiency of the ascending pipe and the smoke guide hole, reducing pollution sources and harmful gas emission and realizing green energy-saving operation of coking production.
Description
Technical Field
The invention relates to the technical field of coke ovens, in particular to a coal charging hole/smoke guide hole and ascending pipe hole structure on the top of a coke oven.
Background
The coke oven body of the large coke oven consists of a regenerative chamber, a chute, a combustion chamber/carbonization chamber and an oven top, wherein the oven top is arranged at the upper part of the combustion chamber/carbonization chamber. The top of the top-charging coke oven is generally provided with 4 coal charging holes and 1 ascending tube hole, and the top of the tamping coke oven is generally provided with a smoke guide hole, a graphite removing hole and 1 ascending tube hole. The area between the coal charging line corresponding to the coal charging height and the overhead bricks at the lower part of the furnace top in the carbonization chamber is the furnace top space, and the raw coke gas and the smoke dust generated in the coking process are led into the ascending pipe through the furnace top space and the coal charging hole circulation space and then are led out of the coke furnace through the ascending pipe.
At present, most of coal charging holes/smoke guide holes and ascending pipe holes on the top of a coke oven adopt a flat-foot horn-mouth-shaped 'splayed' structure, and the structure can be used for intensively collecting and retreating coke oven raw coke gas and smoke dust generated in the coal charging process of the coke oven and smoke dust generated in the coke discharging process. In actual production, in order to increase the coke yield, the excess production of the coke oven becomes a normal state, the coal charging quantity is increased, so that the raw gas and the smoke dust produced by the coke oven are increased, the circulation space of the coal charging hole at the top of the coke oven cannot meet the requirement of the pressure at the top of the coke oven during production, and the smoke escape phenomenon is aggravated; even the furnace top generates smoke and fire, which causes environmental pollution and potential safety hazard and also seriously worsens the environment of the furnace top operation area.
Starting from the actual production of the coke oven, the emission of raw coke oven gas and smoke dust is reduced by improving the structure of the oven body, and the pollution treatment from the source is always the effort direction of coke oven equipment research personnel.
Disclosure of Invention
The invention provides a coal charging hole/smoke guide hole and riser hole structure on the top of a coke oven, which increases the airflow circulation area at the coal charging hole/smoke guide hole and the riser by arranging a bypass hole, and reduces the system resistance of gas circulation, thereby effectively improving the collection efficiency of the riser and the smoke guide hole on raw coke oven gas and smoke dust, reducing pollution sources and reducing the emission of harmful gas, and realizing green energy-saving operation of coking production.
In order to achieve the purpose, the invention adopts the following technical scheme:
a coal charging hole/smoke guide hole and ascending pipe hole structure on the top of a coke oven, wherein the top of the coke oven is provided with a plurality of coal charging holes/smoke guide holes, and the ascending pipe hole is arranged on the top of the coke oven close to the machine side or the coke side; the coal charging hole/smoke guide hole and the ascending pipe hole are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole/smoke guide hole and the corresponding ascending pipe hole, and the lower end of each bypass hole is communicated with the carbonization chamber.
And a first bypass hole and a second bypass hole are respectively arranged at two sides of the coal charging hole/smoke guide hole corresponding to the longitudinal direction of the carbonization chamber.
And a third bypass hole is formed in one side of the ascending pipe hole facing the carbonization chamber.
The bypass holes are integrally formed with the corresponding coal charging holes/smoke guide holes and ascending pipe holes in the process of building or pouring the top of the coke oven.
The cross section of the bypass hole is circular or polygonal.
Compared with the prior art, the invention has the beneficial effects that:
through setting up the by-pass hole, increased the air current flow area of coal-charging hole/smoke deflector hole and tedge department, reduced the system resistance of gas circulation to effectively improve tedge and smoke deflector hole and to the collection efficiency of raw coke oven gas and smoke and dust, reduce the pollution sources and reduce harmful gas and discharge, make coking production realize green energy-conserving operation.
Drawings
FIG. 1 is a schematic view showing the structure of a charging hole and a riser hole in the top of a coke oven in example 1 of the present invention.
FIG. 2 is a schematic view showing the structure of a smoke guide hole and a riser hole in the top of a coke oven in example 2 of the present invention.
In the figure: 1. charring chamber 2, coke oven top 3, coal charging hole 4, smoke guide hole 5, ascending pipe hole 6, coal charging line I7, coal charging line II 8, airflow flowing direction 9, bypass hole I10, bypass hole II 11, bypass hole III
Detailed Description
The following further describes embodiments of the present invention with reference to the accompanying drawings:
as shown in fig. 1 and 2, the coal charging hole/smoke guide hole and ascending pipe hole structure of the coke oven top of the invention is characterized in that a plurality of coal charging holes 3/smoke guide holes 4 are arranged on the coke oven top 2, and an ascending pipe hole 5 is arranged on the coke oven top 2 close to the machine side or the coke side; the coal charging hole 3/the smoke guide hole 4 and the ascending pipe hole 5 are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole 3/the smoke guide hole 4 and the corresponding ascending pipe hole 5, and the lower end of each bypass hole is communicated with the carbonization chamber 1.
And a first bypass hole and a second bypass hole are respectively formed in the coal charging hole 3/the smoke guide hole 4 at two sides corresponding to the length direction of the carbonization chamber 1.
The side of the ascending pipe hole 5 facing the carbonization chamber 1 is provided with a third bypass hole.
The bypass holes are integrally formed with the corresponding coal charging holes 3/smoke guide holes 4 and ascending pipe holes 5 in the process of building or pouring the coke oven top 2.
The cross section of the bypass hole is circular or polygonal.
The following examples are carried out on the premise of the technical scheme of the invention, and detailed embodiments and specific operation processes are given, but the scope of the invention is not limited to the following examples. The methods used in the following examples are conventional methods unless otherwise specified.
[ example 1 ]
As shown in FIG. 1, in the present embodiment, the coke oven is a top-charging coke oven, 4 coal charging holes 3 are provided on the top 2 of the coke oven along the length direction of the coking chamber 1, 1 ascending pipe hole 5 is provided near the machine side, and bypass holes are provided in the coal charging holes 3 and the ascending pipe hole 5, respectively.
In this embodiment, the coal charging hole 3 is symmetrically provided with a first bypass hole 9 and a second bypass hole 10 at both sides corresponding to the longitudinal direction of the carbonization chamber 1, and the ascending pipe hole 5 is provided with a third bypass hole 11 at one side facing the inside of the carbonization chamber 1. The first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all obliquely arranged, the upper ends of the first bypass holes are communicated with the corresponding coal charging holes 3 and the corresponding ascending pipe holes 5, and the lower ends of the first bypass holes are communicated with the carbonization chamber 1.
The cross sections of the first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all circular, and when the coke oven top 2 is built, the first bypass hole, the second bypass hole and the third bypass hole are integrally built with the corresponding coal charging hole 3 and the corresponding ascending pipe hole 5.
When the coke oven is produced, the coal is charged to the coal charging line I6 through the coal charging hole 3, the coal charging line I6 and the bottom of the oven top 2 of the coke oven form an oven top space, crude gas and smoke dust generated during coal charging and coking flow in the oven top space according to the airflow direction 8 and enter the coal charging hole through the bypass hole I9 and the bypass hole II 10, and due to the fact that the bypass hole I9 and the bypass hole 10 are added, the flow cross section of airflow at an inlet at the bottom of the coal charging hole 3 is increased, so that the resistance of an airflow flowing system is reduced, and the crude gas and the smoke dust are effectively guided to reach the position of the riser hole 5.
Similarly, the bypass holes III 11 are added, so that the flow cross section of airflow at the bottom inlet of the riser hole 5 is increased, the resistance of an airflow flowing system can be reduced, and the raw coke oven gas and the smoke dust are effectively introduced into the riser hole 5.
[ example 2 ]
As shown in FIG. 2, in the present embodiment, the coke oven is a stamp-charging coke oven, 2 smoke guide holes 3 are arranged on the top 2 of the coke oven along the length direction of the coking chamber 1, 1 ascending pipe hole 5 is arranged at the position close to the coke side, and bypass holes are respectively arranged on the smoke guide holes 4 and the ascending pipe hole 5.
In this embodiment, the smoke guide hole 4 is symmetrically provided with a first bypass hole 9 and a second bypass hole 10 at two sides corresponding to the longitudinal direction of the carbonization chamber 1, and the ascending pipe hole 5 is provided with a third bypass hole 11 at one side facing the carbonization chamber 1. The first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all obliquely arranged, the upper ends of the first bypass holes are communicated with the corresponding coal charging holes 3 and the corresponding ascending pipe holes 5, and the lower ends of the first bypass holes are communicated with the carbonization chamber 1.
The cross sections of the first bypass hole 9, the second bypass hole 10 and the third bypass hole 11 are all circular, and when the coke oven top 2 is built, the first bypass hole, the second bypass hole and the third bypass hole are integrally built with the corresponding smoke guide hole 4 and the corresponding ascending pipe hole 5.
When the coke oven is produced, coal is charged to a coal charging line II 7, a furnace top space is formed by the coal charging line II 7 and the bottom of the furnace top 2 of the coke oven, and the generated raw coke oven gas and smoke dust are guided out by a furnace top smoke guide vehicle through a smoke guide hole 4 during the coal charging period; raw gas and smoke dust flow in the furnace top space according to the airflow direction 8 and enter the bottom inlet of the smoke guide hole 4; one part of the smoke enters the smoke guide hole through the first bypass hole 9 and the second bypass hole 10; as the first bypass hole 9 and the second bypass hole 10 are added, the flow cross section of airflow at the inlet at the bottom of the smoke guide hole 4 is increased, so that the resistance of an airflow flowing system is reduced, and raw coke oven gas and smoke dust are effectively guided to reach the smoke guide hole.
During coking, the raw gas and the smoke dust flow in the furnace top space in the airflow direction 8 and enter the bottom inlet of the riser pipe hole 5, wherein a part of the raw gas and the smoke dust enter the riser pipe hole 5 through the third bypass hole 11, and the airflow flowing section of the airflow at the bottom inlet of the riser pipe hole 5 is increased due to the increase of the third bypass hole 11, so that the airflow flowing system resistance is reduced, and the raw gas and the smoke dust can be effectively guided into the riser pipe hole 5.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (5)
1. A coal charging hole/smoke guide hole and ascending pipe hole structure on the top of a coke oven, wherein the top of the coke oven is provided with a plurality of coal charging holes/smoke guide holes, and the ascending pipe hole is arranged on the top of the coke oven close to the machine side or the coke side; the device is characterized in that the coal charging hole/smoke guide hole and the ascending pipe hole are respectively provided with a bypass hole, the upper end of each bypass hole is communicated with the corresponding coal charging hole/smoke guide hole and the corresponding ascending pipe hole, and the lower end of each bypass hole is communicated with the carbonization chamber.
2. The coke oven roof structure for realizing smokeless coal charging according to claim 1, wherein the coal charging hole/smoke guide hole is respectively provided with a first bypass hole and a second bypass hole at two sides corresponding to the longitudinal direction of the carbonization chamber.
3. The coke oven roof structure for realizing smokeless coal charging according to claim 1, wherein the riser hole is provided with a third bypass hole on the side facing the coking chamber.
4. The coke oven roof structure for realizing smokeless coal charging according to claim 1, wherein the bypass hole is integrally formed with the corresponding coal charging hole/smoke guide hole and riser hole in the process of building or pouring the coke oven roof.
5. The coke oven roof structure for realizing smokeless coal charging according to claim 1 or 4, wherein the cross-sectional shape of the bypass hole is circular or polygonal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616090.9A CN112625696B (en) | 2020-12-30 | 2020-12-30 | Coal charging hole/smoke guiding hole and ascending pipe hole structure of coke oven top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616090.9A CN112625696B (en) | 2020-12-30 | 2020-12-30 | Coal charging hole/smoke guiding hole and ascending pipe hole structure of coke oven top |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112625696A true CN112625696A (en) | 2021-04-09 |
| CN112625696B CN112625696B (en) | 2024-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011616090.9A Active CN112625696B (en) | 2020-12-30 | 2020-12-30 | Coal charging hole/smoke guiding hole and ascending pipe hole structure of coke oven top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112625696B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956890A (en) * | 2021-09-29 | 2022-01-21 | 中冶焦耐(大连)工程技术有限公司 | Coke oven carbonization chamber structure capable of reducing smoke emission |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE349923A (en) * | ||||
| GB447937A (en) * | 1935-02-23 | 1936-05-28 | Alwyn Howarth Thwaite | Improvements in or relating to coke ovens |
| BE842138R (en) * | 1975-05-24 | 1976-09-16 | PRESSURE BOILER GAS PURIFICATION SYSTEM | |
| CN101391684A (en) * | 2007-09-20 | 2009-03-25 | 罗吉多斯有限公司 | Container including dispenser |
| KR20140105266A (en) * | 2013-02-22 | 2014-09-01 | 주식회사 포스코 | Cokes oven |
| CN208534634U (en) * | 2018-05-28 | 2019-02-22 | 联合汽车电子有限公司 | A kind of bypath air collocation structure, throttle body and electric injection system |
| CN210950799U (en) * | 2018-12-29 | 2020-07-07 | 北京派瑞华氢能源科技有限公司 | Combination valve for multi-stage regulation of gas flow |
| CN215250603U (en) * | 2020-12-30 | 2021-12-21 | 中冶焦耐(大连)工程技术有限公司 | Coke oven top structure for realizing smokeless coal charging |
-
2020
- 2020-12-30 CN CN202011616090.9A patent/CN112625696B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE349923A (en) * | ||||
| GB447937A (en) * | 1935-02-23 | 1936-05-28 | Alwyn Howarth Thwaite | Improvements in or relating to coke ovens |
| BE842138R (en) * | 1975-05-24 | 1976-09-16 | PRESSURE BOILER GAS PURIFICATION SYSTEM | |
| CN101391684A (en) * | 2007-09-20 | 2009-03-25 | 罗吉多斯有限公司 | Container including dispenser |
| KR20140105266A (en) * | 2013-02-22 | 2014-09-01 | 주식회사 포스코 | Cokes oven |
| CN208534634U (en) * | 2018-05-28 | 2019-02-22 | 联合汽车电子有限公司 | A kind of bypath air collocation structure, throttle body and electric injection system |
| CN210950799U (en) * | 2018-12-29 | 2020-07-07 | 北京派瑞华氢能源科技有限公司 | Combination valve for multi-stage regulation of gas flow |
| CN215250603U (en) * | 2020-12-30 | 2021-12-21 | 中冶焦耐(大连)工程技术有限公司 | Coke oven top structure for realizing smokeless coal charging |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113956890A (en) * | 2021-09-29 | 2022-01-21 | 中冶焦耐(大连)工程技术有限公司 | Coke oven carbonization chamber structure capable of reducing smoke emission |
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| Publication number | Publication date |
|---|---|
| CN112625696B (en) | 2024-07-09 |
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