CN217230612U - Heat recovery coke oven main wall structure - Google Patents
Heat recovery coke oven main wall structure Download PDFInfo
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- CN217230612U CN217230612U CN202220635110.5U CN202220635110U CN217230612U CN 217230612 U CN217230612 U CN 217230612U CN 202220635110 U CN202220635110 U CN 202220635110U CN 217230612 U CN217230612 U CN 217230612U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
- Y02P20/129—Energy recovery, e.g. by cogeneration, H2recovery or pressure recovery turbines
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Abstract
The utility model relates to a heat recovery coke oven main wall structure, the both ends of main wall set up 2 vertical gaseous ascending passageways of group respectively, and the main wall is equipped with the vertical gaseous descending passageway of multiunit along longitudinal separation, and every gaseous ascending passageway of group and adjacent 1 group all set up 1 vertical gas guide channel that does not of group between the gaseous descending passageway, adjacent 2 groups between the gaseous descending passageway. Different from the structure that the traditional main wall is a closed masonry except for the gas ascending channel and the gas descending channel, the utility model arranges a plurality of closed non-gas-guiding channels in the main wall outside the gas ascending channel and the gas descending channel, which can greatly reduce the consumption of refractory bricks and save the construction investment; the refractory bricks on the same layer of the main wall are built in a matched mode through the concave-convex structures, the refractory bricks on the upper layer and the lower layer are built in a matched mode through brick ditch and brick tongue structures, and therefore the gas leakage situation is avoided.
Description
Technical Field
The utility model relates to a heat recovery coke oven especially relates to a heat recovery coke oven main wall structure.
Background
The traditional external heat recovery coke oven is generally composed of a furnace bottom, a multi-connected flame path, a main wall, a carbonization chamber and a furnace top. The coking process of the heat recovery coke oven is divided into a direct heating mode and an indirect heating mode, coal materials are pyrolyzed in a coking chamber to generate combustible gas, part of the combustible gas is mixed with air entering from the top of the coking chamber and then is combusted, the coal materials are directly heated, and the residual combustible gas which is not fully combusted enters a descending channel in a main wall through holes in the upper part of the main wall, flows from top to bottom, flows out of a channel through holes in the lower part of the main wall and flows into a multi-connected flame path in the lower part of the coal materials. In the multi-connected flame path, combustible gas and air entering from the sealing wall are mixed and then fully combusted, heat is transferred to coal materials through the bottom of the carbonization chamber, combusted waste gas enters an ascending channel in the main wall through a hole in the lower part of the main wall and finally flows out of the heat recovery coke oven body and enters a flue gas pipeline through an ascending pipe in the top of the coke oven.
The main wall is a key area for connecting the carbonization chamber and the multi-connected flame path, combustible gas and waste gas flow in the main wall, an ascending channel and a descending channel are arranged in the main wall, and the tightness of the channel formed by brickworks and the stability of the main wall structure are of great importance. The utility model designs a new main wall structure of the heat recovery coke oven aiming at the flowing characteristic of the gas in the heat recovery coke oven and the actual situation of the coking process of the heated coal, and is used for ensuring the stability of the coking process of the coke oven.
Disclosure of Invention
The utility model provides a main wall structure of a heat recovery coke oven, which is different from the structure of a traditional main wall except a gas ascending channel and a gas descending channel, wherein the other parts of the traditional main wall are closed masonry bodies; the refractory bricks on the same layer of the main wall are built in a matched mode through the concave-convex structures, the refractory bricks on the upper layer and the lower layer are built in a matched mode through brick ditch and brick tongue structures, and therefore the gas leakage situation is avoided.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat recovery coke oven main wall structure comprises a main wall; two ends of the main wall are respectively provided with 2 groups of vertical gas ascending channels, the main wall is provided with a plurality of groups of vertical gas descending channels at intervals along the longitudinal direction, and 1 group of vertical non-gas guiding channels are respectively arranged between each group of gas ascending channels and 1 adjacent group of gas descending channels and between 2 adjacent groups of gas descending channels; the bottom of the gas ascending channel is provided with an ascending gas inlet, and the top of the gas ascending channel is an open structure; the top of the gas descending channel is provided with a descending gas inlet, the bottom of the gas descending channel is provided with a descending gas outlet, the descending gas inlet is communicated with a carbonization chamber corresponding to the upper part of the heat recovery coke oven, and the descending gas outlet is communicated with a flame path corresponding to the lower part of the heat recovery coke oven; the non-gas guide channel is a closed hollow channel.
Each group of gas ascending channels consists of 3 vertical channels which are arranged side by side.
Each group of gas descending channels consists of a vertical channel A and a vertical channel B, and two sides of the main wall respectively correspond to the carbonization chamber A, the flame path A, the carbonization chamber B and the flame path B; wherein a descending gas inlet of the vertical channel A is communicated with the carbonization chamber A, and a descending gas outlet is communicated with the flame path A; the descending gas inlet of the vertical channel B is communicated with the carbonization chamber B, and the descending gas outlet is communicated with the flame path B.
The vertical channel A and the vertical channel B are separated by a channel partition wall or at least 1 non-air guide channel.
The gas ascending channel, the gas descending channel and the non-gas guide channel are uniformly arranged along the longitudinal direction of the main wall, the channel interval is more than or equal to 500mm, and the thickness of a channel partition wall is 100-180 mm; wherein 1 non-gas-guiding channel is arranged between the gas ascending channel and the corresponding end part of the main wall, and at least 1 non-gas-guiding channel is arranged between each group of gas ascending channels and 1 adjacent group of gas descending channels; the rest non-gas guide channels are uniformly distributed among the gas descending channels.
The main wall is built by laying bricks in multiple layers, 2 adjacent refractory bricks on the same layer are built by matching through a concave-convex structure, and 2 adjacent refractory bricks are built by matching through a brick ditch brick tongue structure.
Compared with the prior art, the beneficial effects of the utility model are that:
1) different from the structure that the rest of the traditional main wall is the closed masonry except the gas ascending channel and the gas descending channel, the utility model arranges a plurality of closed non-gas guiding channels in the main wall outside the gas ascending channel and the gas descending channel, which can greatly reduce the consumption of refractory bricks and save the construction investment;
2) the refractory bricks on the same layer of the main wall are built in a matched mode through the concave-convex structures, the refractory bricks on the upper layer and the lower layer are built in a matched mode through brick ditch and brick tongue structures, and therefore the gas leakage situation is avoided.
Drawings
FIG. 1 is a front view of a main wall structure of a heat recovery coke oven according to the present invention.
Fig. 2 is a view a-a in fig. 1.
Fig. 3 is a view B-B in fig. 1.
In the figure: 1. gas ascending channel 2, gas descending channel 3, gas-free channel
Detailed Description
The following description of the embodiments of the present invention will be made with reference to the accompanying drawings:
as shown in fig. 1-3, the main wall structure of a heat recovery coke oven of the present invention comprises a main wall; two ends of the main wall are respectively provided with 2 groups of vertical gas ascending channels 1, the main wall is provided with a plurality of groups of vertical gas descending channels 2 at intervals along the longitudinal direction, and 1 group of vertical non-gas guide channels 3 are respectively arranged between each group of gas ascending channels 1 and the adjacent 1 group of gas descending channels 2 and between the adjacent 2 groups of gas descending channels 2; the bottom of the gas ascending channel 1 is provided with an ascending gas inlet, and the top of the gas ascending channel is an open structure; the top of the gas descending channel 2 is provided with a descending gas inlet, the bottom of the gas descending channel is provided with a descending gas outlet, the descending gas inlet is communicated with a carbonization chamber corresponding to the upper part of the heat recovery coke oven, and the descending gas outlet is communicated with a flame path corresponding to the lower part of the heat recovery coke oven; the non-gas guide channel 3 is a closed hollow channel.
Each set of gas uptake shaft 1 consists of 3 vertical shafts arranged side by side.
Each group of gas descending channels 2 consists of a vertical channel A and a vertical channel B, and two sides of the main wall respectively correspond to the carbonization chamber A, the flame path A, the carbonization chamber B and the flame path B; wherein, a descending gas inlet of the vertical channel A is communicated with the carbonization chamber A, and a descending gas outlet is communicated with the flame path A; the descending gas inlet of the vertical channel B is communicated with the carbonization chamber B, and the descending gas outlet is communicated with the flame path B.
The vertical channel A and the vertical channel B are separated by a channel partition wall or at least 1 non-air guide channel.
The gas ascending channel 1, the gas descending channel 2 and the non-gas guide channel 3 are uniformly arranged along the longitudinal direction of the main wall, the channel interval is more than or equal to 500mm, and the thickness of a channel partition wall is 100-180 mm; wherein 1 non-gas-guiding channel 3 is arranged between the gas ascending channel 1 and the corresponding end part of the main wall, and at least 1 non-gas-guiding channel 3 is arranged between each group of gas ascending channels 1 and the adjacent 1 group of gas descending channels 2; the remaining non-gas-conducting channels 3 are evenly arranged between the gas down-comer groups 2.
The main wall is built by laying bricks or stones by multilayer, builds by laying bricks or stones through the concave-convex structure cooperation between 2 adjacent resistant firebricks on the same floor, builds by laying bricks or stones through the cooperation of brick ditch brick tongue structure between 2 adjacent layers of resistant firebricks.
The following examples are carried out on the premise of the technical solution of the present invention, and detailed embodiments and specific operation procedures are given, but the scope of the present invention is not limited to the following examples.
[ examples ] A method for producing a compound
As shown in fig. 1-3, in the present embodiment, 32 vertical channels are uniformly arranged on the main wall of the heat recovery coke oven along the longitudinal direction, wherein the vertical channels comprise 6 gas ascending channels 1 (divided into 2 groups), 8 gas descending channels 2 (divided into 4 groups) and 18 non-gas guiding channels 3.
The distribution principle of the vertical channels is as follows: the same-direction air flow channels are separated by a channel partition wall or at least 1 non-air-guide channel 3, and the different-direction air flow channels are separated by at least 1 non-air-guide channel 3. In this embodiment, the distribution rule of the 32 vertical channels is: the same-direction air flow channels are separated by 1 non-air guide channel 3, and the different-direction air flow channels are separated by at least 1 non-air guide channel 3. The interval of each vertical channel 3 which is uniformly arranged is 500mm, and the thickness of the partition wall of each vertical channel is 150 mm.
Each group of gas ascending channels 1 consists of 3 vertical channels arranged side by side, and 2 groups of gas ascending channels are respectively arranged at two ends of the main wall corresponding to the machine side and the coke side. Two outer ends of each group of gas ascending channels 1 are respectively provided with 1 non-gas guiding channel 3.
The gas descending channels 2 are evenly distributed in the main wall between the 2 groups of gas ascending channels 1, each group of gas descending channels consists of a vertical channel A and a vertical channel B, the vertical channel A and the vertical channel B are separated by 1 non-gas guide channel 3, and 3-4 non-gas guide channels 3 are arranged between the adjacent 2 groups of gas descending channels 2.
The main wall is built by multiple layers of refractory bricks, 2 adjacent refractory bricks on the same layer are built by matching of a concave-convex structure, and the upper and lower layers of refractory bricks are built by matching of brick ditch and brick tongue structures.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A heat recovery coke oven main wall structure comprises a main wall; the air-guiding device is characterized in that two ends of the main wall are respectively provided with 2 groups of vertical air ascending channels, the main wall is provided with a plurality of groups of vertical air descending channels at intervals along the longitudinal direction, and 1 group of vertical non-air guiding channels are respectively arranged between each group of air ascending channels and 1 adjacent group of air descending channels and between 2 adjacent groups of air descending channels; the bottom of the gas ascending channel is provided with an ascending gas inlet, and the top of the gas ascending channel is an open structure; the top of the gas descending channel is provided with a descending gas inlet, the bottom of the gas descending channel is provided with a descending gas outlet, the descending gas inlet is communicated with a carbonization chamber corresponding to the upper part of the heat recovery coke oven, and the descending gas outlet is communicated with a flame path corresponding to the lower part of the heat recovery coke oven; the non-air guide channel is a closed hollow channel.
2. The heat recovery coke oven main wall structure of claim 1, wherein each group of gas uptake ducts consists of 3 vertical ducts arranged side by side.
3. The main wall structure of the heat recovery coke oven of claim 1, wherein each group of gas descending channels consists of a vertical channel A and a vertical channel B, and two sides of the main wall respectively correspond to the carbonization chamber A, the flame path A, the carbonization chamber B and the flame path B; a descending gas inlet of the vertical channel A is communicated with the carbonization chamber A, and a descending gas outlet is communicated with the flame path A; the descending gas inlet of the vertical channel B is communicated with the carbonization chamber B, and the descending gas outlet is communicated with the flame path B.
4. The main wall structure of a heat recovery coke oven as claimed in claim 3, wherein the vertical passage A and the vertical passage B are separated by a passage partition wall or at least 1 non-gas guide passage.
5. The main wall structure of the heat recovery coke oven as claimed in claim 1, wherein the gas ascending channel, the gas descending channel and the non-gas guiding channel are uniformly arranged along the longitudinal direction of the main wall, the channel spacing is not less than 500mm, and the thickness of the channel partition wall is 100-180 mm; wherein 1 non-gas-guiding channel is arranged between the gas ascending channel and the corresponding end part of the main wall, and at least 1 non-gas-guiding channel is arranged between each group of gas ascending channels and 1 adjacent group of gas descending channels; the rest non-gas guide channels are uniformly distributed among the gas descending channels.
6. The main wall structure of the heat recovery coke oven as claimed in claim 1, wherein the main wall is constructed by a plurality of layers of refractory bricks, 2 adjacent refractory bricks in the same layer are constructed by matching of a concave-convex structure, and 2 adjacent layers of refractory bricks are constructed by matching of a brick ditch and brick tongue structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220635110.5U CN217230612U (en) | 2022-03-23 | 2022-03-23 | Heat recovery coke oven main wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220635110.5U CN217230612U (en) | 2022-03-23 | 2022-03-23 | Heat recovery coke oven main wall structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217230612U true CN217230612U (en) | 2022-08-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220635110.5U Active CN217230612U (en) | 2022-03-23 | 2022-03-23 | Heat recovery coke oven main wall structure |
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| Country | Link |
|---|---|
| CN (1) | CN217230612U (en) |
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2022
- 2022-03-23 CN CN202220635110.5U patent/CN217230612U/en active Active
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