CN211227009U - Coke oven - Google Patents
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- CN211227009U CN211227009U CN201922171517.8U CN201922171517U CN211227009U CN 211227009 U CN211227009 U CN 211227009U CN 201922171517 U CN201922171517 U CN 201922171517U CN 211227009 U CN211227009 U CN 211227009U
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Abstract
The utility model provides a coke oven, each regenerator is arranged in the sequence of an air regenerator-a gas regenerator, and a gas regenerator-an air regenerator along the longitudinal direction of the coke oven; the air heat accumulation chamber is divided into a first air heat accumulation chamber and a second air heat accumulation chamber; adjacent double-linked vertical flame paths in the combustion chamber are communicated to form a four-linked vertical flame path; the odd vertical flame paths in each combustion chamber are communicated with the regenerative chambers of the regenerative chambers with the same number as the combustion chambers in a cellular manner through inclined paths; the even vertical flame paths are communicated with the heat storage chamber cells of the heat storage chamber with the next number. By adopting the coke oven provided by the utility model, the two air regenerators respectively supply air at different positions of the vertical flue, thus realizing the sectional adjustment of air flow; the connection mode of the grids of the double-linkage vertical flue and the regenerator is favorable for uniform distribution of airflow in each vertical flue; the four-linked vertical flue is beneficial to increasing the circulation volume of waste gas and reducing the generation of pollutants.
Description
Technical Field
The utility model relates to the technical field of coke oven design, in particular to a novel coke oven.
Background
The modern industrial production has higher and higher requirements on the coke oven, such as the requirement of high strength and block uniformity of the produced coke; the content of pollutants in the coke oven waste gas is required to be low; high yields of naphthalene, hydroxyphenol, etc. are required, and these requirements are related to the temperature control and combustion state of the coke oven. Under the condition that the overall structure of the modern coke oven is basically unchanged, the improvement of the oven body structure is continuously explored to meet the requirements of modern industrial production.
SUMMERY OF THE UTILITY MODEL
The utility model provides a coke oven, which realizes the optimization of the combustion state and the temperature control of the coke oven through the improvement of the structure of the oven body. The specific technical scheme is as follows:
the utility model provides a coke oven, which comprises a coking chamber, a combustion chamber and a heat accumulation chamber, wherein the combustion chamber and the coking chamber are positioned at the upper part of the coke oven, the combustion chamber and the coking chamber are arranged alternately along the longitudinal direction of the coke oven, and the combustion chamber and the heat accumulation chamber are numbered according to the sequence of natural numbers from the left side of the coke oven side respectively; the regenerative chambers are positioned below the carbonization chambers and the combustion chambers and are arranged along the longitudinal direction of the coke oven;
the number of the combustion chambers is one more than that of the carbonization chambers, and the number of the regenerative chambers is one more than that of the combustion chambers;
two adjacent regenerators are symmetrically arranged relative to the central line of the combustion chamber above the two regenerators;
adjacent regenerators are separated by a main wall; each heat storage chamber is divided into an air heat storage chamber and a coal gas heat storage chamber by a single wall along the longitudinal direction of the coke oven, and the air heat storage chamber is divided into a first air heat storage chamber and a second air heat storage chamber by an air heat storage chamber partition wall; the air regenerators and the coal gas regenerators in the two adjacent regenerators are arranged in a mirror symmetry mode relative to the central line of the main wall; each heat storage chamber is divided into a plurality of heat storage chamber partitions by a heat storage chamber partition wall along the machine side-coke side direction;
the combustion chamber comprises a plurality of quadruple vertical flues separated by quadruple vertical flue partition walls along the machine-coke side direction; the four-linked vertical fire channel is composed of two adjacent double-linked vertical fire channels which are communicated through a circulating hole at the bottom of a partition wall of the double-linked vertical fire channels;
each double-simultaneous vertical flue is divided into two vertical flues through a vertical flue partition wall, and the two vertical flues are communicated with a spanning hole at the top through a circulation hole at the bottom of the vertical flue partition wall; wherein, the vertical flame paths in each combustion chamber are numbered according to the sequence of natural numbers from the machine side to the coke side;
the bottom of each vertical flue is provided with an air inlet and a coal gas inlet, two air channels in the vertical direction are arranged in each vertical flue partition wall, each vertical flue corresponds to one air channel, and each air channel is communicated with the corresponding vertical flue through an air outlet;
the odd vertical flame paths in each combustion chamber are communicated with the regenerative chambers of the regenerative chambers with the same number as the combustion chambers in a cellular manner through inclined paths; the even number of vertical flues in each combustion chamber are communicated with the regenerative chambers of the next numbered regenerative chamber in a cellular manner through chutes; the air inlet, the coal gas inlet and the air channel of the vertical flame path are respectively communicated with the second air heat storage chamber, the coal gas heat storage chamber and the first air heat storage chamber of the heat storage chamber cells through inclined channels.
In some embodiments of the present invention, the inclined channel connected to the same duplex vertical flue is rotationally symmetrically distributed with respect to the partition wall space of the vertical flue.
In some embodiments of the present invention, a plurality of brick gas channels are disposed in each main wall along the machine-coke side direction, and the brick gas channels are respectively communicated with each vertical flue; each brick gas channel is respectively arranged at two sides below the double vertical flue partition wall and the four vertical flue partition wall.
In some embodiments of the present invention, the lower portions of the first air regenerator, the second air regenerator and the gas regenerator of each regenerator are respectively communicated with the small flue; the top of each small flue is provided with a gas flow bidirectional adjusting device respectively, and the gas flow bidirectional adjusting device comprises a plurality of groups of double-layer porous plates with the same number as the cells of the heat storage chamber; the multiple groups of double-layer porous plates respectively cover the communication positions of the grids of the heat storage chamber and the small flue;
each group of double-layer porous plates comprises two rectangular porous plates which are arranged in parallel, and the projections of the plate surfaces of the two porous plates on the same plane are superposed;
d is more than 0 and less than or equal to 400mm between the plates of the two porous plates;
at least one opening parameter of the two porous plates is different; the hole opening parameters comprise hole positions, hole shapes, hole sizes and hole numbers;
two ends of each group of double-layer perforated plates are respectively fixed on a fixed shaft, and two adjacent groups of double-layer perforated plates are fixed on the same fixed shaft;
the two ends of the fixed shaft are provided with rolling wheels, so that the gas flow bidirectional adjusting device can move along the length direction of the small flue.
In some embodiments of the present invention, a sealing baffle is disposed above the junction of two adjacent sets of double-layer perforated plates, and the sealing baffle is in close contact with the bottom of the regenerative chamber partition wall to isolate the space above the double-layer perforated plates.
In some embodiments of the present invention, d is not less than 10 mm and not more than 100mm between the two perforated plates.
In some embodiments of the invention, the perforated plate is a metal perforated plate.
In some embodiments of the present invention, the coke side of the coke oven is provided with an inlet and an outlet for the gas flow bidirectional regulating device to enter and exit the small flue.
The coke oven provided by the embodiment of the utility model has the advantages that the heat storage chambers are internally provided with two air heat storage chambers which are respectively and independently used for supplying air at different positions of the vertical flame path, so that the sectional adjustment of air flow can be realized; thereby the coke oven of the utility model can better control the combustion state and the combustion temperature so as to improve the production quality of coke and the yield of chemical products;
the connection mode of the vertical flues and the regenerative chamber cells of each combustion chamber in the coke oven ensures that the distances between the regenerative chamber cells at two sides of the double vertical flues and the double vertical flues are equal, thereby ensuring that the chutes connecting the double vertical flues and the regenerative chamber cells can be rotationally and symmetrically distributed relative to the partition wall of the vertical flues, and being beneficial to the uniform distribution of airflow in each vertical flue;
the two double-linked vertical flues are communicated through the circulating hole to form a four-linked vertical flue, so that the circulating quantity of waste gas in the four-linked vertical flue is increased, and the degradation of the content of nitrogen oxides in the waste gas is facilitated.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a machine-side section of a coke oven;
FIG. 2 is a schematic structural view of a coke oven machine side-coke side cross section;
FIG. 3 is a schematic structural view of the connection relationship between the vertical flue and the heat storage unit;
FIG. 4 is a schematic structural diagram of a gas flow rate bidirectional regulating device;
fig. 5 is a top view of a gas flow rate bi-directional adjustment device.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a coke oven, as shown in figures 1 and 2, comprising a coking chamber 18, a combustion chamber 17 and a regenerator 2, wherein the combustion chamber 17 and the coking chamber 18 are positioned at the upper part of the coke oven, the combustion chamber 17 and the coking chamber 18 are arranged alternately along the longitudinal direction of the coke oven, and the regenerator 2 is positioned below the coking chamber 18 and the combustion chamber 17 and is arranged longitudinally along the coke oven;
the number of the combustion chambers 17 is one more than that of the carbonization chambers 18, and the number of the regenerative chambers 2 is one more than that of the combustion chambers 17;
two adjacent regenerators 2 are symmetrically arranged relative to the central line of the combustion chamber 17 above the two regenerators;
in some embodiments of the present invention, except for the regenerators at both ends, the other regenerators are located directly below the carbonization chamber; the term "directly below" means that the center line of the regenerator 2 in the longitudinal direction of the coke oven coincides with the center line of the coking chamber 18 in the longitudinal direction of the coke oven.
The left side of the coke oven machine side in the present invention refers to a position corresponding to the left side of a person standing on the coke oven machine side and facing the coke oven.
The direction of the machine side-coke side in the utility model refers to the direction from the machine side to the coke side of the coke oven; the longitudinal direction of the coke oven refers to the direction of the coke oven vertical to the machine side and the coke side; the machine side-coke side direction of the coke oven and the longitudinal direction of the coke oven are well known descriptions in the field, and the description of the utility model is omitted.
The carbonization chamber 18 is of a conventional structure in the art, and the present invention is not described herein.
in some embodiments of the present invention, the regenerator cells 3 are identical in structure in the same regenerator 2.
The combustion chamber 17 includes a plurality of quadruplet flues 5 separated by quadruplet flue partition walls 24 in the machine-coke side direction; the four-linked vertical flue 5 is composed of two adjacent double-linked vertical flues 15, and the two adjacent double-linked vertical flues 15 are communicated through a circulating hole 11 at the bottom of a double-linked vertical flue partition wall 14;
each duplex vertical flue 15 is divided into two vertical flues 22 by a vertical flue partition wall 23, and the two vertical flues 22 are communicated with the crossing hole 13 at the top through a circulating hole 19 at the bottom of the vertical flue partition wall 23;
the inventor finds in research that the four-linked flame path 5 is formed by communicating two adjacent double-linked flame paths 15 through the circulation holes 11, which is beneficial to increasing the circulation amount of waste gas, the waste gas circulation amount of the double-linked flame paths is generally less than 40%, and the waste gas circulation amount can reach more than 50% after the four-linked flame paths are formed; the increase of the circulation amount of the waste gas can effectively reduce the content of pollutants such as nitrogen oxides in the waste gas on one hand, and on the other hand, the increase of the circulation amount of the waste gas is beneficial to the increase of the flame length, thereby improving the heating of the coke oven in the height direction, and further, the uniform heating of the coke oven in the height direction is beneficial to improving the coke quality and shortening the coking time.
In addition, the two double-vertical flame paths 15 are communicated to form a structure of four double-vertical flame paths 5, so that each four double-vertical flame path 5 can self-adaptively adjust the circulation amount of waste gas according to the temperature of the vertical flame path, and the uniform temperature of the combustion chamber is facilitated.
The bottom of each vertical flue 22 is provided with an air inlet 21 and a coal gas inlet 26, two air channels 16 in the vertical direction are arranged in each vertical flue partition wall 23, each vertical flue corresponds to one air channel 16, and each air channel 16 is communicated with the corresponding vertical flue 22 through an air outlet 12;
in some embodiments of the present invention, the air outlet 12 extends through the vertical flue partition between the air channel 16 and the corresponding vertical flue; in some embodiments of the present invention, a plurality of air outlets 12 are provided at different heights of the air channel 16.
In some embodiments of the present invention, as shown in fig. 1 and 3, two adjacent combustion chambers 17 are symmetrically distributed with respect to the center line of the carbonization chamber 18 therebetween, and it can be understood that the air inlet 21 and the gas inlet 26 in each of the two double vertical flues 15 in two adjacent combustion chambers 17 are symmetrically distributed with respect to the center line of the carbonization chamber 18 between the combustion chambers.
The combustion chamber 17 and the regenerator 2 are numbered in the order of natural numbers from the left side of the coke oven machine side;
the vertical flame paths in each combustion chamber 17 are numbered in the order of natural numbers from the machine side to the coke side;
the odd vertical flame paths in each combustion chamber are communicated with the regenerative chamber grids of the regenerative chambers with the same number as the combustion chambers through the inclined channels 10; the even number of vertical flues in each combustion chamber are communicated with the regenerative chambers of the next numbered regenerative chamber in a cellular manner through chutes; wherein, the air inlet 21, the coal gas inlet 26 and the air channel 16 of the vertical flame path are respectively communicated with the second air regenerator 2-1-2, the coal gas regenerator 2-2 and the first air regenerator 2-1-1 of the regenerator cells through the inclined passage 10.
In some embodiments of the present invention, the number of regenerator cells 3 in the regenerator 2 is the same as the number of twinned flues 15 in the combustion chamber 17; in some embodiments of the present invention, each twin flue 15 is located below and adjacent to the left and right regenerator compartments 3 in the machine direction.
Illustratively, as shown in fig. 3, in some embodiments of the present invention, for any one of the dual vertical flues 15, the vertical flue near the machine side is an odd vertical flue, and the vertical flue near the coke side is an even vertical flue; the double vertical flues are respectively communicated with a regenerator grid along the longitudinal direction of the coke oven; the air inlet 21, the gas inlet 26 and the air channel 16 of the odd vertical flame path are respectively communicated with the second air heat storage chamber 2-1-2, the gas heat storage chamber 2-2 and the first air heat storage chamber 2-1-1 in the heat storage chamber cell on the left side, and the air inlet 21, the gas inlet 26 and the air channel 16 of the even vertical flame path are respectively communicated with the second air heat storage chamber 2-1-2, the gas heat storage chamber 2-2 and the first air heat storage chamber 2-1-1 in the heat storage chamber cell on the right side.
The left side and the right side of the utility model respectively refer to the corresponding directions of the left side and the right side of a person when the person faces the machine side of the coke oven.
In a set time, air and lean gas respectively enter a single vertical flame path through a first air regenerator 2-1-1, a second air regenerator 2-1-2 and a gas regenerator 2-2 of a left regenerator cell, waste gas generated after combustion enters a plurality of vertical flame paths through a crossover hole 13 above a partition wall of the vertical flame path, and is discharged after heat recovery through the first air regenerator 2-1-1, the second air regenerator 2-1-2 and the gas regenerator 2-2 of the right regenerator cell. In another time period, the flowing directions of the air and the gas are changed, namely the air and the lean gas respectively enter the even vertical flues through the first air regenerator 2-1-1, the second air regenerator 2-1-2 and the gas regenerator 2-2 which are divided into the right regenerators, the waste gas generated after combustion enters the odd vertical flues through the crossing holes 13 above the partition walls of the even flues and is discharged after heat recovery through the first air regenerator 2-1-1, the second air regenerator 2-1-2 and the gas regenerator 2-2 which are divided into the left regenerators.
The utility model discloses in, regenerator 2 is one more than combustion chamber 17, two double-shaft vertical flame paths 15 adjacent on the coke oven is vertical (there is carbomorphism room 18 to be separated by between) jointly and lie in the regenerator box 3 intercommunication of carbomorphism room 18 below between the two, in a period, this regenerator box provides air and lean gas for two double-shaft vertical flame paths adjacent along the coke oven simultaneously, in another period, waste gas in two double-shaft vertical flame paths adjacent on the side of the machine side is simultaneously through this regenerator box discharge. At this time, in two adjacent combustion chambers, the airflow direction in each duplex vertical flue is opposite.
In some embodiments of the present invention, the chutes 10 connected to the same double vertical flue 15 are spatially rotationally symmetrical with respect to the vertical flue partition wall 23. In some embodiments of the present invention, as shown in fig. 3, when the air inlet 21 and the gas inlet 26 at the bottom of two vertical flues in the dual vertical flue 15 are rotationally symmetric with respect to the vertical flue partition wall 23, the chute connected to the air inlet 21 is rotationally symmetric in space, and the positions of the air inlet 21 and the gas inlet 26 determine the trend of the chute, which is a conventional technical means in the field, and the present invention is not described herein again.
At the moment, the on-way and local resistance coefficients of the circulation channels (chutes) of the gas (air and lean gas) in each vertical flue are the same, which is beneficial to the uniform distribution of the gas flow in the coke oven and the thermal regulation.
In some embodiments of the present invention, a plurality of brick gas channels 8 are disposed in each main wall 4 along the machine-coke side direction, and the brick gas channels 8 are respectively communicated with the vertical fire channels 22; each brick gas duct 8 is respectively arranged at two sides below the double-linked vertical fire-duct partition wall 14 and the four-linked vertical fire-duct partition wall 24.
The lean gas in the utility model is the gas with low heat value, and the rich gas is the gas with high heat value, which is a known term in the field, and the utility model is not described herein.
In some embodiments of the present invention, the lean gas and the rich gas are respectively introduced into the vertical flue at different times, and when the rich gas is adopted, the gas regenerator and the gas regenerator in the regenerator are all used for feeding air into the vertical flue, which is a known operation in the art, and the present invention is not described herein.
In some embodiments of the present invention, as shown in fig. 1, 2, 4 and 5, the lower portions of the first air regenerator 2-1-1, the second air regenerator 2-1-2 and the gas regenerator 2-2 of each regenerator are respectively communicated with the small flue 1; therefore, the air quantity introduced into the air channel 16 through the first air regenerator 2-1-1 and further into the middle part of the vertical flue and the air quantity introduced into the bottom part of the vertical flue through the second air regenerator 2-1-2 can be independently adjusted at the inlet of the small flue respectively; and the temperature at the inlet of the small flue is lower, so that the adjustment operation is convenient to carry out.
In some embodiments of the present invention, a gas flow bidirectional adjusting device 9 is respectively disposed at the top of each small flue 1, and the gas flow bidirectional adjusting device 9 comprises a plurality of groups of double-layer porous plates 9-3 with the same number as the cells of the regenerator; the multiple groups of double-layer porous plates 9-3 respectively cover the communication positions of the regenerative chamber grids 3 and the small flue 1;
each group of double-layer porous plates 9-3 comprises two rectangular porous plates which are arranged in parallel, and the projections of the plate surfaces of the two porous plates on the same plane are superposed;
d is more than 0 and less than or equal to 400mm between the plates of the two porous plates;
at least one opening parameter of the two porous plates is different; the hole opening parameters comprise hole positions, hole shapes, hole sizes and hole numbers;
two ends of each group of double-layer porous plates 9-3 are respectively fixed on a fixed shaft 9-2, and two adjacent groups of double-layer porous plates 9-3 are fixed on the same fixed shaft 9-2;
two ends of the fixed shaft 9-2 are provided with rolling wheels 9-1, so that the gas flow bidirectional adjusting device 9 can move along the long direction (machine side-coke side direction) of the small flue 1.
The utility model discloses a two-way adjusting device of gas flow through setting up the different perforated plate of two blocks of trompil parameters about, provides different resistance parameters for the updraft and the downdraft of flowing through this device to make the air current evenly distributed in the coke oven. The technical personnel in this field can be according to actual need, the specific resistance coefficient who calculates two perforated plates about in the two-way adjusting device of gas flow to confirm the position, the hole shape of trompil, hole size, hole quantity and the interplate distance of two perforated plates on two perforated plates according to the resistance coefficient, calculation method is the commonly used technical means in this field, the utility model discloses do not do the restriction here.
In some embodiments of the present invention, a sealing baffle is disposed above the junction of two adjacent sets of double-layer perforated plates, and the sealing baffle is in close contact with the bottom of the regenerator partition wall 20 to isolate the space above the double-layer perforated plates.
In some embodiments of the present invention, d is not less than 10 mm and not more than 100mm between the two perforated plates.
In some embodiments of the invention, the perforated plate is a metal perforated plate.
In some embodiments of the present invention, the coke side of the coke oven is provided with an inlet and an outlet for the gas flow bidirectional regulating device to enter and exit the small flue.
The uniformity of air flow is adjusted between a small flue 1 and a regenerator 2 of the existing coke oven through grate bricks and adjusting bricks, the adjusting precision is low, and manual adjustment cannot be carried out after the coke oven is built; and adopt the utility model provides a two-way adjusting device of gas flow, the precision of not only adjusting has improved, and this two-way adjusting device of gas flow 9 can take out and push through the access & exit 25 that sets up in the burnt side moreover, consequently can adjust the resistance coefficient according to actual conditions in process of production, makes the air current distribution more even.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.
Claims (8)
1. A coke oven comprises a coking chamber, a combustion chamber and a heat storage chamber, wherein the combustion chamber and the coking chamber are positioned at the upper part of the coke oven and are arranged alternately along the longitudinal direction of the coke oven, and the combustion chamber and the heat storage chamber are numbered in the order of natural numbers from the left side of the coke oven side respectively; the regenerative chambers are positioned below the carbonization chambers and the combustion chambers and are arranged along the longitudinal direction of the coke oven; it is characterized in that the preparation method is characterized in that,
the number of the combustion chambers is one more than that of the carbonization chambers, and the number of the regenerative chambers is one more than that of the combustion chambers;
two adjacent regenerators are symmetrically arranged relative to the central line of the combustion chamber above the two regenerators;
adjacent regenerators are separated by a main wall; each heat storage chamber is divided into an air heat storage chamber and a coal gas heat storage chamber by a single wall along the longitudinal direction of the coke oven, and the air heat storage chamber is divided into a first air heat storage chamber and a second air heat storage chamber by an air heat storage chamber partition wall; the air regenerators and the coal gas regenerators in the two adjacent regenerators are arranged in a mirror symmetry mode relative to the central line of the main wall; each heat storage chamber is divided into a plurality of heat storage chamber partitions by a heat storage chamber partition wall along the machine side-coke side direction;
the combustion chamber comprises a plurality of quadruple vertical flues separated by quadruple vertical flue partition walls along the machine-coke side direction; the four-linked vertical fire channel is composed of two adjacent double-linked vertical fire channels which are communicated through a circulating hole at the bottom of a partition wall of the double-linked vertical fire channels;
each double-simultaneous vertical flue is divided into two vertical flues through a vertical flue partition wall, and the two vertical flues are communicated with a spanning hole at the top through a circulation hole at the bottom of the vertical flue partition wall; wherein, the vertical flame paths in each combustion chamber are numbered according to the sequence of natural numbers from the machine side to the coke side;
the bottom of each vertical flue is provided with an air inlet and a coal gas inlet, two air channels in the vertical direction are arranged in each vertical flue partition wall, each vertical flue corresponds to one air channel, and each air channel is communicated with the corresponding vertical flue through an air outlet;
the odd vertical flame paths in each combustion chamber are communicated with the regenerative chambers of the regenerative chambers with the same number as the combustion chambers in a cellular manner through inclined paths; the even number of vertical flues in each combustion chamber are communicated with the regenerative chambers of the next numbered regenerative chamber in a cellular manner through chutes; the air inlet, the coal gas inlet and the air channel of the vertical flame path are respectively communicated with the second air heat storage chamber, the coal gas heat storage chamber and the first air heat storage chamber of the heat storage chamber cells through inclined channels.
2. The coke oven of claim 1, wherein the chutes associated with the same twin vertical flues are arranged in rotational symmetry with respect to the vertical flue partition space.
3. The coke oven of claim 1, wherein a plurality of brick gas ducts are provided in each main wall in the machine-coke side direction, the brick gas ducts being respectively communicated with the vertical ducts; each brick gas channel is respectively arranged at two sides below the double vertical flue partition wall and the four vertical flue partition wall.
4. The coke oven of any one of claims 1 to 3, wherein the lower portions of the first air regenerator, the second air regenerator, and the gas regenerator of each regenerator are in communication with a small flue, respectively; the top of each small flue is provided with a gas flow bidirectional adjusting device respectively, and the gas flow bidirectional adjusting device comprises a plurality of groups of double-layer porous plates with the same number as the cells of the heat storage chamber; the multiple groups of double-layer porous plates respectively cover the communication positions of the grids of the heat storage chamber and the small flue;
each group of double-layer porous plates comprises two rectangular porous plates which are arranged in parallel, and the projections of the plate surfaces of the two porous plates on the same plane are superposed;
d is more than 0 and less than or equal to 400mm between the plates of the two porous plates;
at least one opening parameter of the two porous plates is different; the hole opening parameters comprise hole positions, hole shapes, hole sizes and hole numbers;
two ends of each group of double-layer perforated plates are respectively fixed on a fixed shaft, and two adjacent groups of double-layer perforated plates are fixed on the same fixed shaft;
the two ends of the fixed shaft are provided with rolling wheels, so that the gas flow bidirectional adjusting device can move along the length direction of the small flue.
5. The coke oven of claim 4, wherein a sealing baffle is positioned above the junction of two adjacent sets of double perforated plates, said sealing baffle being in intimate contact with the bottom of said regenerator dividing wall to isolate the space above the double perforated plates.
6. The coke oven of claim 4, wherein the distance d between the plates of the two perforated plates is 10-100 mm.
7. The coke oven of claim 4, wherein said perforated plate is a metal perforated plate.
8. The coke oven of claim 4, wherein the coke side of the coke oven is provided with an access port for the gas flow bidirectional regulating device to enter and exit the small flue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171517.8U CN211227009U (en) | 2019-12-06 | 2019-12-06 | Coke oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922171517.8U CN211227009U (en) | 2019-12-06 | 2019-12-06 | Coke oven |
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| Publication Number | Publication Date |
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| CN211227009U true CN211227009U (en) | 2020-08-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922171517.8U Active CN211227009U (en) | 2019-12-06 | 2019-12-06 | Coke oven |
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| CN (1) | CN211227009U (en) |
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