CN217230613U - Heat recovery coke oven main wall structure with horizontal gas channel - Google Patents
Heat recovery coke oven main wall structure with horizontal gas channel Download PDFInfo
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- CN217230613U CN217230613U CN202220635135.5U CN202220635135U CN217230613U CN 217230613 U CN217230613 U CN 217230613U CN 202220635135 U CN202220635135 U CN 202220635135U CN 217230613 U CN217230613 U CN 217230613U
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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
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model relates to a heat recovery coke oven main wall structure with a horizontal gas channel, wherein the middle part of the main wall is longitudinally provided with an intermediate partition wall to divide the main wall into 2 main wall side part structures; set up gaseous decline passageway and gaseous ascending passageway in 2 main wall lateral part structures respectively, wherein gaseous decline passageway comprises gas inlet, snakelike horizontal gas channel and gas outlet jointly, and the main wall is equipped with air inlet respectively at the both ends that correspond machine side furnace end, coke side furnace end, makes combustible gas can burn in the main wall is inside to improve the heating effect of main wall to the indoor coal cake of both sides carbomorphism, help shortening the coal cake maturation time, improve coking efficiency.
Description
Technical Field
The utility model relates to a heat recovery coke oven technical field especially relates to a take heat recovery coke oven main wall structure of horizontal gas passage.
Background
The current 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 comprises direct heating and indirect heating, 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 the descending 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, and an ascending channel and a descending channel are arranged in the main wall, so that combustible gas and waste gas can flow in the main wall. The main wall of the traditional heat recovery coke oven is mainly of a solid structure built by refractory bricks, and the ascending channel and the descending channel are mostly vertical channels and are only used for gas flowing, so that the function of laterally heating the coal cakes is not achieved. In fact, the heating and heat transfer properties of the main wall also directly affect the maturation time of the briquette. Aiming at the characteristics of the flowing of gas in the heat recovery coke oven and the heating and coking process of coal materials, a new main wall structure of the heat recovery coke oven needs to be developed to realize efficient and stable coking.
Disclosure of Invention
The utility model provides a take horizontal gas passage's heat recovery coke oven main wall structure, set up gaseous decline passageway and gaseous ascending passageway in the main wall, wherein gaseous decline passageway is by gas inlet, snakelike horizontal gas passage and gas outlet constitute jointly, the main wall is equipped with air inlet respectively at the both ends that correspond the machine side furnace end, burnt side furnace end, make combustible gas can be at the inside burning of main wall, thereby improve the heating effect of main wall to the indoor coal cake of both sides carbomorphism, help shortening the coal cake maturation time, improve coking efficiency.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a heat recovery coke oven main wall structure with a horizontal gas channel is characterized in that a middle partition wall is longitudinally arranged in the middle of a main wall to divide the main wall into 2 main wall side structures; horizontal gas channels are respectively arranged in the side structures of the 2 main walls, the horizontal gas channels are divided into multiple layers along the height direction and are arranged in a serpentine circuitous manner, a plurality of gas inlets are formed in the outer wall of the main wall corresponding to the upper part of each horizontal gas channel, and a plurality of gas outlets are formed in the outer wall of the main wall corresponding to the bottom of each horizontal gas channel; the gas inlet, the horizontal gas channel and the gas outlet form a gas descending channel; a plurality of vertical gas ascending channels are respectively arranged at the opposite ends of the side structures of the 2 main walls, and the bottom of each gas ascending channel is communicated with the carbonization chamber at the corresponding side; air inlets are respectively arranged at the two ends of the main wall corresponding to the machine side furnace end and the coke side furnace end, and the corresponding ends of the horizontal gas channels are communicated with the air inlets.
The air inlets are arranged at the turning of the horizontal air channel, and the air flowing direction is the same as the air flowing direction in the horizontal air channel.
The horizontal gas channel is a channel with a uniform cross section, and the cross section of the horizontal gas channel is circular or rectangular.
The plurality of gas inlets are arranged corresponding to the same layer of horizontal gas channel and are uniformly arranged along the longitudinal direction of the main wall.
The plurality of gas inlets are arranged corresponding to the horizontal gas channel on the uppermost layer.
The plurality of gas outlets are arranged corresponding to the horizontal gas channel at the bottommost layer and are uniformly arranged along the longitudinal direction of the main wall.
And an air flow adjusting device is arranged at the air inlet.
The main wall is built by multiple layers of refractory bricks, and the intermediate partition wall, the gas ascending channel, the gas descending channel and the air inlet are formed when the refractory bricks are built.
In the multilayer refractory bricks, refractory bricks on the same layer are built in a matched mode through a concave-convex structure, and adjacent refractory bricks 2 are built in a matched mode through brick ditch and brick tongue structures.
Compared with the prior art, the beneficial effects of the utility model are that:
1) the horizontal gas channels are uniformly arranged on the two sides of the main wall along the height direction and the longitudinal direction, so that the heat transfer area between high-temperature gas and the main wall is enlarged, and the heating effect of the main wall on the coal cakes is further enhanced;
2) the main wall is respectively provided with an air inlet at two ends of the side furnace end and the coke side furnace end corresponding to the main wall, so that combustible gas can be combusted in the main wall, the heating effect of the main wall on coal cakes in the carbonization chambers at two sides is improved, the coal cake maturation time is favorably shortened, and the coking efficiency is improved;
3) compared with the main wall of the traditional heat recovery coke oven, the main wall is internally provided with a plurality of horizontal gas channels, so that the using amount of refractory bricks can be greatly reduced, and the construction investment is saved.
Drawings
FIG. 1 is a front view (corresponding to C-C view in FIG. 2) of a heat recovery coke oven main wall structure with horizontal gas channels 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: 10. intermediate partition 21, gas inlet 22, horizontal gas channel 23, gas outlet 30, gas uptake channel 40, air inlet
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 the heat recovery coke oven with the horizontal gas channel of the present invention has a middle partition wall 10 longitudinally arranged in the middle of the main wall to divide the main wall into 2 main wall side structures; horizontal gas channels 22 are respectively arranged in the side structures of the 2 main walls, the horizontal gas channels 22 are divided into a plurality of layers along the height direction and are arranged in a serpentine and circuitous way, a plurality of gas inlets 21 are formed on the outer wall of the main wall corresponding to the upper part of the horizontal gas channel 22, and a plurality of gas outlets 23 are formed on the outer wall of the main wall corresponding to the bottom of the horizontal gas channel 22; the gas inlet 21, the horizontal gas channel 22 and the gas outlet 23 jointly form a gas descending channel; a plurality of vertical gas ascending channels 30 are respectively arranged at the opposite ends of the side structures of the 2 main walls, and the bottom of each gas ascending channel 30 is communicated with the carbonization chamber at the corresponding side; air inlets 40 are respectively arranged at the two ends of the main wall corresponding to the machine side furnace end and the coke side furnace end, and the corresponding end of the horizontal gas channel 22 is communicated with the air inlets 40.
The air inlets 40 are disposed at the turning of the horizontal air channel 22, and the air flowing direction is the same as the air flowing direction in the horizontal air channel.
The horizontal gas channel 22 is a channel with a uniform cross section, and the cross section is circular or rectangular.
The plurality of gas inlets are arranged corresponding to the same layer of horizontal gas channel 22 and are evenly arranged along the longitudinal direction of the main wall.
The plurality of gas inlets 21 are all arranged corresponding to the uppermost horizontal gas channel 22.
The plurality of gas outlets 23 are all arranged corresponding to the horizontal gas channel 22 at the bottommost layer and are uniformly arranged along the longitudinal direction of the main wall.
An air flow adjusting device is arranged at the air inlet 40.
The main wall is constructed by a plurality of layers of firebricks, and the intermediate partition wall 10, the gas ascent passage 30, the gas descent passage, and the air inlet 40 are formed when the firebricks are constructed.
In the multilayer refractory bricks, refractory bricks on the same layer are built in a matched mode through a concave-convex structure, and adjacent refractory bricks 2 are built in a matched mode through brick ditch and brick tongue structures.
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
In the embodiment, the main wall structure of the heat recovery coke oven with the horizontal gas channel is characterized in that the middle part of the main wall is provided with a middle partition wall 10 from the side furnace end of the coke side furnace end, the main wall is divided into two parts, namely 2 main wall side parts, which are respectively used for gas circulation and coal cake heating of adjacent carbonization chambers at two sides of the main wall.
The side structures of the main wall are distributed in a central symmetry way, and a gas descending channel and a gas ascending channel 30 are arranged inside the main wall; in this embodiment, the gas descending channel is composed of 4 gas inlets 21, 5 layers of horizontal gas channels 22 and 4 gas outlets 23, and the 5 layers of horizontal gas channels 22 communicated end to end are arranged in a serpentine winding manner in the main wall. The main wall is equipped with 2 air inlet 40 respectively at corresponding machine side furnace end, burnt side furnace end department, and air inlet 40 and the horizontal gas passage 22 intercommunication that corresponds make combustible gas burn in the main wall to improve the heating effect of main wall to the coal cake, help shortening the coal cake maturation time.
In this embodiment, the horizontal gas channel 22 is a uniform cross-sectional channel having a square cross-sectional shape.
In this embodiment, the 4 gas inlets 21 are uniformly arranged on the outer wall of the main wall corresponding to the uppermost horizontal gas channel 22 along the longitudinal direction, and the 4 gas outlets 23 are uniformly arranged on the outer wall of the main wall corresponding to the lowermost horizontal gas channel 22 along the longitudinal direction.
The air flow direction at the air inlet 40 is the same as the gas flow direction in the horizontal gas channel 22 of the same layer. The flow of air through the air inlet 40 into the horizontal gas passage 22 may be adjusted according to the demand for combustion of the combustible gas during the coking cycle.
The refractory bricks on the same layer forming the main wall are built in a matched mode through a concave-convex structure, and the refractory bricks on the upper layer and the lower layer are built in a matched mode through brick ditch and brick tongue structures, so that gas leakage is avoided.
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 (9)
1. A heat recovery coke oven main wall structure with a horizontal gas channel is characterized in that a middle partition wall is longitudinally arranged in the middle of a main wall to divide the main wall into 2 main wall side structures; horizontal gas channels are respectively arranged in the side structures of the 2 main walls, the horizontal gas channels are divided into a plurality of layers along the height direction and are arranged in a serpentine and circuitous manner, a plurality of gas inlets are formed in the outer wall of the main wall corresponding to the upper part of the horizontal gas channel, and a plurality of gas outlets are formed in the outer wall of the main wall corresponding to the bottom of the horizontal gas channel; the gas inlet, the horizontal gas channel and the gas outlet form a gas descending channel; a plurality of vertical gas ascending channels are respectively arranged at the opposite ends of the side structures of the 2 main walls, and the bottom of each gas ascending channel is communicated with the carbonization chamber at the corresponding side; air inlets are respectively arranged at two ends of the main wall corresponding to the machine side furnace end and the coke side furnace end, and the corresponding ends of the horizontal gas channels are communicated with the air inlets.
2. The main wall structure of a heat recovery coke oven with horizontal gas channels as claimed in claim 1, wherein the air inlets are plural and arranged at the turning of the horizontal gas channels, and the air inflow direction is the same as the gas flow direction in the horizontal gas channels.
3. The heat recovery coke oven main wall structure with the horizontal gas channel as claimed in claim 1, wherein the horizontal gas channel is a channel with a uniform cross section, and the cross section is circular or rectangular.
4. The main wall structure of a heat recovery coke oven with horizontal gas channels of claim 1, wherein the plurality of gas inlets are disposed corresponding to the same layer of horizontal gas channels and are uniformly disposed along the longitudinal direction of the main wall.
5. The main wall structure of a heat recovery coke oven with horizontal gas channels as claimed in claim 4, wherein the plurality of gas inlets are disposed corresponding to the horizontal gas channels of the uppermost layer.
6. The main wall structure of the heat recovery coke oven with the horizontal gas channel as claimed in claim 1, wherein the plurality of gas outlets are disposed corresponding to the horizontal gas channel at the lowest layer and are uniformly disposed along the longitudinal direction of the main wall.
7. The main wall structure of a heat recovery coke oven with a horizontal gas channel as claimed in claim 1, wherein an air flow regulating device is provided at the air inlet.
8. The main wall structure of a heat recovery coke oven with a horizontal gas channel of claim 1, wherein the main wall is constructed by a plurality of layers of refractory bricks, and the intermediate wall, the gas ascent channel, the gas descent channel and the air inlet are formed when the refractory bricks are constructed.
9. The heat recovery coke oven main wall structure with the horizontal gas channel of claim 8, wherein the refractory bricks in the same layer are constructed in a matching way through a concave-convex structure, and the refractory bricks in the adjacent 2 layers are constructed in a matching way through a brick ditch and brick tongue structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220635135.5U CN217230613U (en) | 2022-03-23 | 2022-03-23 | Heat recovery coke oven main wall structure with horizontal gas channel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220635135.5U CN217230613U (en) | 2022-03-23 | 2022-03-23 | Heat recovery coke oven main wall structure with horizontal gas channel |
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| Publication Number | Publication Date |
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| CN217230613U true CN217230613U (en) | 2022-08-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202220635135.5U Active CN217230613U (en) | 2022-03-23 | 2022-03-23 | Heat recovery coke oven main wall structure with horizontal gas channel |
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- 2022-03-23 CN CN202220635135.5U patent/CN217230613U/en active Active
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