Segmented heating device and coke oven
By setting up a sectional heating device in the coke oven combustion chamber, the first and second heating channels are used to realize sectional combustion, the problem of nitrogen oxide generation during combustion of the coke oven is solved, the combustion efficiency is improved and pollution is reduced.
Patent Information
- Application Number
- CN202421323108.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-11
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-11
AI Technical Summary
A large amount of nitrogen oxides are produced when the coke oven is burning, resulting in environmental pollution.
A sectional heating device is designed, by providing a first heating channel and a second heating channel in the coke oven combustion chamber, the vertical fire channel airflow flows out along the gas sectional passage at a set sectional height, thereby realizing sectional combustion, and adjusting the sectional gas outlet flow through the adjustment component.
It improves combustion efficiency, reduces the generation of nitrogen oxides, and realizes the adjustment of segmented combustion strength. The device structure is simple, easy to use and easy to promote.
Smart Images
Figure CN222877862U_ABST
Abstract
Description
Technical Field
[0001] The present application belongs to the technical field of coke oven combustion chambers, and in particular relates to a segmented heating device and a coke oven. Background Art
[0002] A coke oven is a furnace used to refine coke. Modern coke ovens are composed of a carbonization chamber, a combustion chamber, a regenerator, a ramp area, a furnace roof, a foundation, a flue, etc. The coal in the carbonization chamber is heated to coke in an airtight condition. The main differences between coke ovens with different structures are as follows: the structure of the combustion chamber fire channel, the heating gas supply method, the arrangement of the regenerator, and the measures to improve the uniformity of high-direction heating. Due to the uneven heating inside the coke oven, a large amount of nitrogen oxides will be generated during combustion, causing environmental pollution. Summary of the invention
[0003] The purpose of the present application is to provide a segmented heating device and a coke oven, aiming to solve the technical problem that a large amount of nitrogen oxides will be generated during the combustion of the coke oven to at least a certain extent.
[0004] In order to solve the above technical problems, this application adopts the following technical solutions:
[0005] A first aspect of an embodiment of the present application provides a segmented heating device for segmented heating of a coke oven combustion chamber, the segmented heating device comprising: a first heating brick body, a first heating channel being arranged in the first heating brick body; a second heating brick body, connected to the first heating brick body, a second heating channel being arranged in the second heating brick body, the air inlet ends of the first heating channel and the second heating channel being connected, the gas provided for heating in the coke oven is respectively introduced into the coke oven through the first heating channel and the second heating channel, the air outlet of the second heating channel is lower than the air outlet of the first heating channel; an adjusting component, arranged at the air outlet end of the second heating channel, the adjusting component being used to adjust the air outlet volume of the second heating channel.
[0006] In some embodiments, the adjustment component includes: an adjustment slide, which is arranged on the second heating brick body, the adjustment slide is located above the air outlet of the second heating channel and extends to the outside of the air outlet; and a sliding unit, which is slidably connected to the adjustment slide.
[0007] In some embodiments, the sliding unit includes: an adjusting brick, a sliding boss is provided at the lower end of the adjusting brick, and the adjusting brick is slidably connected to the adjusting slideway via the sliding boss.
[0008] In some embodiments, the first heating brick body and the second heating brick body are integrally formed.
[0009] In some embodiments, the second heating channel is tilted, and an angle between the second heating channel and the central axis of the second heating brick body is 45° to 60°.
[0010] In some embodiments, the radius of the first heating channel is 80 mm to 90 mm.
[0011] In some embodiments, the radius of the second heating channel is 60 mm to 80 mm.
[0012] In some embodiments, the height of the sliding boss is 10 mm to 15 mm.
[0013] In some embodiments, the heating devices are made of refractory materials.
[0014] A second aspect of an embodiment of the present application provides a coke oven, in which the segmented heating device is arranged.
[0015] It can be seen from the above technical solution that the present application has at least the following advantages and positive effects:
[0016] A segmented heating device in the present application, by setting a first heating channel and a second heating channel, allows the vertical fire channel airflow in the coke oven combustion chamber to flow out along the gas segmented channel at a set segmented height, thereby achieving the purpose of segmented combustion of the vertical fire channel gas, improving combustion efficiency and reducing nitrogen oxide generation. By setting an adjustment component to adjust the segmented gas outlet flow rate, the segmented combustion intensity can be adjusted. The device has a simple structure, is easy to use, and is easy to promote.
[0017] A coke oven in the present application, by arranging a first heating channel and a second heating channel in a heating device, allows the vertical fire channel airflow in the coke oven combustion chamber to flow out along the gas segmentation channel at a set segmentation height, thereby achieving the purpose of segmented combustion of the vertical fire channel gas, improving combustion efficiency and reducing nitrogen oxide generation. By setting an adjustment component to adjust the segmented gas outlet flow rate, the segmented combustion intensity can be adjusted. The device has a simple structure, is easy to use, and is easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying creative work.
[0019] Figure 1 is a structural schematic diagram of a segmented heating device in an embodiment of the present application;
[0020] Figure 2It is a cross-sectional view of a segmented heating device in an embodiment of the present application.
[0021] The description of the reference numerals is as follows: 1, first heating brick body; 11, first heating channel; 2, second heating brick body; 21, second heating channel; 31, adjusting slide; 32, adjusting brick. DETAILED DESCRIPTION
[0022] In order to make the technical personnel in the technical field to which the present application belongs to understand the present application more clearly, the technical scheme in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.
[0023] Figure 1 is a schematic diagram of the structure of a segmented heating device in an embodiment of the present application, Figure 2 is a cross-sectional view of a segmented heating device in an embodiment of the present application, such as Figure 1 , Figure 2 As shown, the device is used for performing segmented heating on the combustion chamber of a coke oven, and the segmented heating device comprises: a first heating brick body 1, in which a first heating channel 11 is arranged; a second heating brick body 2, connected to the first heating brick body 1, in which a second heating channel 21 is arranged, the air inlet ends of the first heating channel 11 and the second heating channel 21 are connected, and the gas for providing heating in the coke oven is respectively introduced into the coke oven through the first heating channel 11 and the second heating channel 21, and the air outlet of the second heating channel 21 is lower than the air outlet of the first heating channel 11; an adjusting component, arranged at the air outlet end of the second heating channel 21, and the adjusting component is used to adjust the air outlet volume of the second heating channel 21. By setting the first heating channel 11 and the second heating channel 21, the vertical fire channel airflow of the coke oven combustion chamber flows out along the gas segmented channel at the set segmented height, thereby achieving the purpose of segmented combustion of the vertical fire channel gas, improving the combustion efficiency and reducing the generation of nitrogen oxides. By setting the adjustment component, the segmented gas outlet flow rate is adjusted to achieve the adjustment of the segmented combustion intensity. The device has a simple structure, is easy to use, and is easy to promote.
[0024] In some embodiments, the adjustment component includes: an adjustment slide 31, the adjustment slide 31 is arranged on the second heating brick body 2, the adjustment slide 31 is located above the air outlet of the second heating channel 21, and extends to the outside of the air outlet; a sliding unit, which is slidably connected to the adjustment slide 31.
[0025] In some embodiments, the sliding unit includes: an adjustment brick 32, a sliding boss is provided at the lower end of the adjustment brick 32, and the adjustment brick 32 is slidably connected to the adjustment slideway through the sliding boss. Specifically, the depth of the adjustment slideway 31 and the height difference of the sliding boss are 5mm, and the sliding boss and the adjustment slideway 31 are engaged and slidable to increase the stability of the structure.
[0026] In some embodiments, the first heating brick body 1 and the second heating brick body 2 are integrally formed, and the first heating brick body 1 and the second heating brick body 2 are processed on one brick to ensure the overall structural strength of the device.
[0027] In some embodiments, the second heating channel 21 is tilted, and the included angle between the second heating channel 21 and the central axis of the second heating brick body 2 is 45° to 60°.
[0028] In some embodiments, the radius of the first heating channel 11 is 80 mm to 90 mm.
[0029] In some embodiments, the radius of the second heating channel 21 is 60 mm to 80 mm.
[0030] In some embodiments, the height of the sliding boss is 10 mm to 15 mm.
[0031] In some embodiments, the heating devices are made of refractory materials.
[0032] A second aspect of an embodiment of the present application provides a coke oven, in which the segmented heating device is arranged.
[0033] It can be seen from the above technical solution that the present application has at least the following advantages and positive effects:
[0034] A segmented heating device in the present application, by setting a first heating channel and a second heating channel, allows the vertical fire channel airflow in the coke oven combustion chamber to flow out along the gas segmented channel at a set segmented height, thereby achieving the purpose of segmented combustion of the vertical fire channel gas, improving combustion efficiency and reducing nitrogen oxide generation. By setting an adjustment component to adjust the segmented gas outlet flow rate, the segmented combustion intensity can be adjusted. The device has a simple structure, is easy to use, and is easy to promote.
[0035] A coke oven in the present application, by arranging a first heating channel and a second heating channel in a heating device, allows the vertical fire channel airflow in the coke oven combustion chamber to flow out along the gas segmentation channel at a set segmentation height, thereby achieving the purpose of segmented combustion of the vertical fire channel gas, improving combustion efficiency and reducing nitrogen oxide generation. By setting an adjustment component to adjust the segmented gas outlet flow rate, the segmented combustion intensity can be adjusted. The device has a simple structure, is easy to use, and is easy to promote.
[0036] Unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes the first feature being directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.
[0037] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise" and "counterclockwise" indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.
[0038] In this application, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.
[0039] In addition, the descriptions of "first", "second", etc. in this application are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include one or more features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.
[0040] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.
Claims
1. A segmented heating device for segmented heating of a coke oven combustion chamber, characterized in that: The segmented heating device comprises: a first heating brick body, wherein a first heating channel is disposed in the first heating brick body; a second heating brick body connected to the first heating brick body, a second heating channel being arranged in the second heating brick body, the air inlet ends of the first heating channel and the second heating channel being communicated, the gas provided for heating in the coke oven being respectively passed into the coke oven through the first heating channel and the second heating channel, and the air outlet of the second heating channel being lower than the air outlet of the first heating channel; The regulating component is arranged at the air outlet end of the second heating channel, and the regulating component is used to adjust the air outlet volume of the second heating channel.
2. The segmented heating device according to claim 1, characterized in that: The adjustment component comprises: An adjusting slide, the adjusting slide being arranged on the second heating brick body, the adjusting slide being located above the air outlet of the second heating channel and extending to the outside of the air outlet; The sliding unit is slidably connected to the adjusting slideway.
3. The segmented heating device according to claim 2, characterized in that: The sliding unit comprises an adjusting brick, a sliding boss is arranged at the lower end of the adjusting brick, and the adjusting brick is slidably connected with the adjusting slideway via the sliding boss.
4. The segmented heating device according to claim 1, characterized in that: The first heating brick body and the second heating brick body are integrally formed.
5. The segmented heating device according to claim 1, characterized in that: The second heating channel is tilted, and an included angle between the second heating channel and the central axis of the second heating brick body is 45° to 60°.
6. The segmented heating device according to claim 1, characterized in that: The radius of the first heating channel is 80 mm to 90 mm.
7. The segmented heating device according to claim 1, characterized in that: The radius of the second heating channel is 60 mm to 80 mm.
8. The segmented heating device according to claim 3, characterized in that: The height of the sliding boss is 10 mm to 15 mm.
9. The segmented heating device according to claim 1, characterized in that: The heating devices are all made of refractory materials.
10. A coke oven, characterized in that: The coke oven is provided with a segmented heating device as described in any one of claims 1 to 9.