CN110684543A - Clean environment-friendly full-energy intelligent heat recovery coke oven - Google Patents
Clean environment-friendly full-energy intelligent heat recovery coke oven Download PDFInfo
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- CN110684543A CN110684543A CN201910961233.0A CN201910961233A CN110684543A CN 110684543 A CN110684543 A CN 110684543A CN 201910961233 A CN201910961233 A CN 201910961233A CN 110684543 A CN110684543 A CN 110684543A
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- furnace wall
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- coke oven
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- 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
- C10B29/02—Brickwork, e.g. casings, linings, walls
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
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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
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Coke Industry (AREA)
Abstract
The invention relates to a clean environment-friendly full-energy intelligent heat recovery coke oven, which is characterized in that: the device consists of a carbonization chamber, a four-arch combustion chamber, a main furnace wall descending flame path, a main furnace wall ascending flame path, a furnace bottom area, a furnace top area and a furnace end wall, wherein the carbonization chamber adopts a large-volume structure; the four-arch combustion chamber is arranged at the bottom of the carbonization chamber and the upper part of the furnace bottom heat insulation layer, and adopts an arch structure built by special-shaped glass kiln silica bricks and heat insulation bricks with a large passage opening structure of a 2X C-shaped flame path; the sealing wall of each group of two-linked flame path combustion chambers in the four-linked arch combustion chamber is provided with an adjustable secondary air inlet and a temperature measuring hole. The high-temperature waste gas generated in the production process of the invention enables all harmful components in the coke oven to be fully combusted, the power generation is directly carried out through the heat exchange facility, no chemical products are generated, the terminal emission completely reaches the standard, and the invention is a production facility with coke and no chemical products, which can eliminate sewage, save energy, exchange heat, generate power with high efficiency and protect environment at source.
Description
Technical Field
The invention belongs to a large-volume coking chamber coke oven, relates to a clean environment-friendly full-energy intelligent heat recovery tamping coke oven, and particularly relates to a clean environment-friendly full-energy intelligent heat recovery coke oven.
Background
With the rapid development of the domestic and foreign steel industry, the domestic and foreign tamping coke ovens are gradually becoming larger, the height and width of the carbonization chamber are correspondingly higher and higher, and the length is increased, so that the labor productivity is inevitably required to be improved, the pollution emission in the production process is reduced, the operation management level is also required to be higher, and the maintenance force is also required to be higher. Therefore, the medium and small-sized stamp-charging coke oven can not meet the production requirement and can not better adapt to the industrial development requirement in domestic structure adjustment. In order to make the coking industry healthily develop, the clean production of the coking industry becomes the subject of the key research in the coking world at home and abroad. The clean production of the coking industry needs to fully reflect the coordinated development of economy, resources and environment, reduces or controls the generation of pollutants in the production process, is an important technical measure of the clean production of the coking industry, and is the most effective method.
Disclosure of Invention
The invention overcomes the defects, aims to reduce or control the generation of pollutants in the clean production of the coking industry, and provides a clean, environment-friendly and full-energy intelligent heat recovery coke oven.
The contents of the clean environment-friendly full-energy intelligent heat recovery coke oven are briefly described as follows:
the invention discloses a clean environment-friendly full-energy intelligent heat recovery coke oven, which is characterized in that: the furnace consists of a carbonization chamber, a four-arch combustion chamber, a main furnace wall descending flame path, a main furnace wall ascending flame path, a furnace bottom area, a furnace top area and a furnace end wall, wherein the carbonization chamber adopts the following steps: length 15890mm, height 2625mm, cold width 3670mm, center distance: 4530mm large volume construction; the four-arch combustion chamber is arranged at the bottom of the carbonization chamber and at the upper part of the furnace bottom heat insulation layer, adopts a large passage opening structure of a 2X C-shaped flame path, is built by special-shaped glass kiln silica bricks and heat insulation bricks, and adopts an arch structure built by special-shaped bricks at the arch top; the sealing wall of each group of two-linked flame path combustion chambers in the four-linked arch combustion chamber is provided with an adjustable secondary air inlet and a temperature measuring hole.
The width of each main furnace wall is 860mm, and each main furnace wall is provided with 4 main furnace wall ascending flame paths and 6 main furnace wall descending flame paths; the main furnace wall descending flame path and the main furnace wall ascending flame path adopt a square cross-section channel structure, are uniformly distributed along the main furnace wall and are built by silica bricks; an expansion gap is arranged on the main furnace wall, and a siliceous elastic fire clay layer structure is adopted in the expansion gap; the upper part of the main furnace wall is provided with a phosphate ascending pipe base and other process facility foundation bases; a pouring material central column is arranged at the central line of the coke oven of the main furnace wall.
The furnace top area adopts a three-center circular arch structure.
The furnace bottom zone is arranged at the bottom of the four-arch combustion chamber and consists of a furnace bottom heat insulation layer, a furnace bottom integral castable bottom plate and a steel structure air cooling channel, the furnace bottom heat insulation layer is built by adopting heat insulation bricks and floating bead bricks, and a large-section air cooling channel is arranged between the furnace bottom heat insulation layer and the furnace bottom integral castable bottom plate.
According to the clean environment-friendly full-energy intelligent heat recovery coke oven, harmful ingredients in the coke oven are completely and fully combusted by high-temperature waste gas generated in the production process, the power is generated directly through the heat exchange facility, no chemical product is generated, the terminal emission completely reaches the standard, and the coke-free full-energy intelligent heat recovery coke oven is a production facility which is coke-free, capable of eliminating sewage, energy-saving and heat-exchange, efficient in power generation and environment-friendly in source.
Drawings
FIG. 1 is a longitudinal sectional view of a clean environment-friendly full-energy intelligent heat recovery coke oven body;
FIG. 2 is a sectional view of the main wall of the oven body of the clean environment-friendly full-energy intelligent heat recovery coke oven;
FIG. 3 is a sectional view of a carbonization chamber of a clean environment-friendly full-energy intelligent heat recovery coke oven body;
in the figure, 1 is a carbonization chamber, 2 is a four-arch combustion chamber, 3 is a main furnace wall, 4 is a main furnace wall descending flue, 5 is a main furnace wall ascending flue, 6 is a furnace bottom area, 7 is a furnace top area, 8 is a furnace end wall, 9 is a casting material center column, 10 is a furnace bottom heat insulation layer, 11 is a furnace bottom integral casting material bottom plate, 12 is a steel-structure air cooling channel, and 13 is an integral casting material sealing block.
Detailed Description
The clean environment-friendly full-energy intelligent heat recovery coke oven is realized by the method, and the specific description is provided below by combining with the attached drawings.
Referring to fig. 1 to 3, the clean environment-friendly full-energy intelligent heat recovery coke oven of the invention comprises: carbonization chamber 1, four ally oneself with hunch combustion chamber 2, main furnace wall 3, main furnace wall descend flame path 4, main furnace wall rise flame path 5, stove bottom district 6, furnace roof district 7 and stove headwall 8 and constitute, carbonization chamber 1 adopts: a large-volume structure with the length of 15890mm, the height of 2625mm, the cold-state width of 3670mm and the center distance of 4530 mm; the four-linked arch combustion chamber 2 is arranged at the bottom of the carbonization chamber 1 and at the upper part of the furnace bottom heat insulation layer 10, a large passage opening structure of a 2 XC-shaped flame path is adopted, and the arch crown is of an arch structure built by special-shaped bricks in order to ensure the strength of the four-linked arch crown of the four-linked arch combustion chamber 2; in the four-linked arch combustion chamber 2, an adjustable secondary air inlet and a temperature measuring hole are arranged on the sealing wall of each group of two-linked flame path combustion chambers. The width of the main furnace wall 3 is 860mm, and each main furnace wall 3 is provided with 4 main furnace wall fire-raising channels 5 and 6 main furnace wall fire-lowering channels 4. The lower flame path 4 and the upper flame path 5 of the main furnace wall adopt a channel structure with square cross section, are uniformly arranged along the main furnace wall 3 according to the distribution condition of negative pressure in the carbonization chamber 1 and the amount of incompletely combusted waste gas generated during coking, and are built by adopting silica bricks. The function of the main furnace wall descending flue 4 is to reasonably send the incompletely combusted volatile matters, coke oven lean gas and other substances in the carbonization chamber into the C-shaped flue combustion chamber; the main furnace wall uptake 5 is used for sending waste gas generated after combustion in the combustion chamber of the C-shaped uptake into the uptake.
The main furnace wall 3 is provided with an expansion gap for absorbing the expansion generated by the thermal state of two adjacent carbonization chambers, and the expansion gap adopts a siliceous elastic fire clay layer structure, thereby effectively preventing gas from leaking. The upper part of the main furnace wall 3 is provided with a phosphate ascending pipe base and other process facility foundation bases. A pouring material center post 9 is arranged on the central line of the coke oven of the main oven wall 3 to share the load of the gas collecting main pipe on the top of the oven body. The furnace top area 7 adopts a three-center circular arch structure, the chord height is reduced by 40 percent, the cracking of the arch top caused by linear expansion can be effectively prevented, and the horizontal thrust is reduced. According to the distribution condition of negative pressure in the coking chamber 1, primary air is regularly introduced from the furnace door, so that the coke oven crude gas generated during dry distillation of the coking coal in the coking chamber is not completely combusted in the reducing atmosphere at the top of the coking chamber. The amount of primary air entering the carbonization chamber is controlled by adjusting the negative pressure value of the suction system, so that volatile matters generated on the surface of the coal cake in the carbonization chamber are not contacted with air, an inert waste gas protective layer is formed, the aim of dry distillation on the coking coal cake under the condition of air isolation is fulfilled, and the aim of regulating and controlling the temperature of the carbonization chamber is fulfilled. The primary air enters from the furnace door and does not enter from the furnace top, the carbonization chamber has uniform temperature along the length direction, large pits are not easy to form, and short circuit is not easy to occur. The furnace bottom area 6 is arranged at the bottom of the four-arch combustion chamber 2 and consists of a furnace bottom heat insulation layer 10, a furnace bottom integral castable bottom plate 11 and a steel structure air cooling channel 12, and the furnace bottom heat insulation layer 10 is built by adopting heat insulation bricks and floating bead bricks. An air cooling channel with a large cross section is arranged between the furnace bottom heat insulation layer 10 and the furnace bottom integral castable bottom plate 11, so that the temperature of the coke oven concrete foundation can be effectively reduced, and the foundation bottom plate is prevented from being overheated.
The two ends of each group of coke ovens are provided with the oven end walls 8, the oven end walls 8 are built by clay bricks, heat insulation bricks and floating bead bricks, and the temperature of the end parts of the oven body can be effectively reduced.
The carbonization chamber 1 with a large volume structure can ensure that the width-to-height ratio of the tamping briquette is extremely stable, and the structure that the cross section of the carbonization chamber 1 is wide and low and the longitudinal section is lengthened can ensure that the actual coal loading is improved by about 10 percent compared with the designed value. The carbonization chamber 1 is built by silica bricks, and the furnace end of the machine and coke side is provided with an integral casting material sealing block 13, so that no wild wind enters between the protection plate and the furnace wall. Not only the strength and the tightness of the furnace body are enhanced, but also the service life of the furnace body is prolonged. The large channel opening structure of the 22X C-shaped flame path of the four-arch combustion chamber reduces airflow resistance and ensures smooth channel.
The invention relates to a clean environment-friendly full-energy intelligent heat recovery coke oven, which is an environment-friendly oven type improved and innovated on the basis of summarizing the technology of non-recovery coke ovens abroad and the mature coke oven production experience in China. The method is suitable for being used in areas which mainly produce coke and have no good application and strict environmental protection requirements of coke oven gas. The furnace type has the characteristics of less pollution, high construction speed, short process flow, simple operation, low energy consumption, convenient maintenance, no generation of phenol-cyanogen wastewater, low operation cost, capability of expanding coking coal resources and the like. Is the most advanced, perfect and reliable heat recovery coke oven in China at present.
The invention relates to a clean heat recovery tamping coke oven, which is a production facility with coke and innoxious, energy-saving and heat exchange functions, high-efficiency power generation and environment-friendly source, wherein harmful components in the coke oven are completely and fully combusted by high-temperature waste gas generated in the production process, power generation is directly carried out through a heat exchange facility, chemical products are not generated, and terminal emission completely reaches the standard.
Claims (4)
1. A clean environment-friendly full-energy intelligent heat recovery coke oven is characterized in that: is composed of a carbonization chamber (1), a four-arch combustion chamber (2), a main furnace wall (3), a main furnace wall descending fire way (4), a main furnace wall ascending fire way (5), a furnace bottom area (6), a furnace top area (7) and a furnace end wall (8), wherein the carbonization chamber (1) adopts: a large-volume structure with the length of 15890mm, the height of 2625mm, the cold-state width of 3670mm and the center distance of 4530 mm; the four-arch combustion chamber (2) is arranged at the bottom of the carbonization chamber (1) and at the upper part of the furnace bottom heat insulation layer (10), adopts a large passage opening structure of a 2X C-shaped flame path, and is built by special-shaped glass kiln silica bricks and heat insulation bricks, and the arch crown is built by special-shaped bricks; the sealing wall of each group of two-linked flame path combustion chambers in the four-linked arch combustion chamber (2) is provided with an adjustable secondary air inlet and a temperature measuring hole.
2. The clean, environmentally friendly, full energy intelligent heat recovery coke oven of claim 1, wherein: the width of each main furnace wall (3) is 860mm, and each main furnace wall (3) is provided with 4 main furnace wall ascending flame paths (5) and 6 main furnace wall descending flame paths (4); the main furnace wall descending flame path (4) and the main furnace wall ascending flame path (5) adopt a square cross-section channel structure, are uniformly distributed along the main furnace wall (3), and are built by adopting silica bricks; an expansion gap is arranged on the main furnace wall (3), and a siliceous elastic fire clay layer structure is adopted in the expansion gap; the upper part of the main furnace wall (3) is provided with a phosphate ascending pipe base and other process facility foundation bases; a pouring material central column (9) is arranged at the central line of the coke oven of the main furnace wall (3).
3. The clean, environmentally friendly, full energy intelligent heat recovery coke oven of claim 1, wherein: the furnace top area (7) adopts a three-center circular arch structure.
4. The clean, environmentally friendly, full energy intelligent heat recovery coke oven of claim 1, wherein: the furnace bottom area (6) is arranged at the bottom of the four-arch combustion chamber (2) and consists of a furnace bottom heat insulation layer (10), a furnace bottom integral castable bottom plate (11) and a steel structure air cooling channel (12), the furnace bottom heat insulation layer (10) is built by adopting heat insulation bricks and floating bead bricks, and a large-section air cooling channel is arranged between the furnace bottom heat insulation layer (10) and the furnace bottom integral castable bottom plate (11).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910961233.0A CN110684543A (en) | 2019-10-11 | 2019-10-11 | Clean environment-friendly full-energy intelligent heat recovery coke oven |
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| CN201910961233.0A CN110684543A (en) | 2019-10-11 | 2019-10-11 | Clean environment-friendly full-energy intelligent heat recovery coke oven |
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| CN110684543A true CN110684543A (en) | 2020-01-14 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628744A (en) * | 2020-12-18 | 2021-04-09 | 玉禾田环境发展集团股份有限公司 | Process method and equipment for pyrolysis treatment of household garbage |
| CN113388411A (en) * | 2021-06-28 | 2021-09-14 | 辽宁科技大学工程技术有限公司 | Heat recovery coke oven main wall flame path structure |
| CN113388413A (en) * | 2021-06-29 | 2021-09-14 | 辽宁科技大学工程技术有限公司 | Structure and method for controlling expansion of main furnace wall of heat recovery coke oven |
| CN114958397A (en) * | 2022-05-29 | 2022-08-30 | 五冶集团上海有限公司 | Construction method for heat recovery coke oven masonry |
| CN115353896A (en) * | 2022-08-23 | 2022-11-18 | 五冶集团上海有限公司 | Method for controlling flatness of vault of heat recovery combustion chamber |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437854A (en) * | 2019-09-06 | 2019-11-12 | 辽宁科技大学工程技术有限公司 | A kind of clean and environmental protection all can measure intelligent heat recovery coke oven |
-
2019
- 2019-10-11 CN CN201910961233.0A patent/CN110684543A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110437854A (en) * | 2019-09-06 | 2019-11-12 | 辽宁科技大学工程技术有限公司 | A kind of clean and environmental protection all can measure intelligent heat recovery coke oven |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112628744A (en) * | 2020-12-18 | 2021-04-09 | 玉禾田环境发展集团股份有限公司 | Process method and equipment for pyrolysis treatment of household garbage |
| CN113388411A (en) * | 2021-06-28 | 2021-09-14 | 辽宁科技大学工程技术有限公司 | Heat recovery coke oven main wall flame path structure |
| CN113388413A (en) * | 2021-06-29 | 2021-09-14 | 辽宁科技大学工程技术有限公司 | Structure and method for controlling expansion of main furnace wall of heat recovery coke oven |
| CN114958397A (en) * | 2022-05-29 | 2022-08-30 | 五冶集团上海有限公司 | Construction method for heat recovery coke oven masonry |
| CN114958397B (en) * | 2022-05-29 | 2024-07-09 | 五冶集团上海有限公司 | Heat recovery coke oven masonry construction method |
| CN115353896A (en) * | 2022-08-23 | 2022-11-18 | 五冶集团上海有限公司 | Method for controlling flatness of vault of heat recovery combustion chamber |
| CN115353896B (en) * | 2022-08-23 | 2024-04-05 | 五冶集团上海有限公司 | Heat recovery combustion chamber vault flatness control method |
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Application publication date: 20200114 |