CN219494395U - Energy-saving type coke oven gas hot blast stove with built-in flue - Google Patents
Energy-saving type coke oven gas hot blast stove with built-in flue Download PDFInfo
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- CN219494395U CN219494395U CN202320285806.4U CN202320285806U CN219494395U CN 219494395 U CN219494395 U CN 219494395U CN 202320285806 U CN202320285806 U CN 202320285806U CN 219494395 U CN219494395 U CN 219494395U
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Abstract
The utility model discloses an energy-saving type coke oven gas hot blast stove with a built-in flue, which comprises a combustor, a combustion channel device and the like; the gas central channel inlet and the gas peripheral channel inlet of the burner are respectively provided with a gas regulating valve, the central flame and the peripheral flame are respectively controlled, the diameter and the length of the combustion flame are controlled by proportionally regulating the air quantity of the combustion-supporting fan of the system, the combustion channel adopts a direct mixing type structure, the structure adopts a cylindrical structure, a turbulent flow device is welded outside, the purpose that turbulent flow is uniformly mixed between main flue gas and high-temperature gas is ensured, the low-temperature main flue gas can reduce the strength of the combustion channel device, the combustion channel is protected, meanwhile, the combustion channel is directly arranged on the main flue, the system does not need to carry out additional air distribution, the manufacturing cost and the energy consumption of the air distribution fan are saved, the gas burnt by the gas burner in the combustion channel is mixed with the original flue gas at the highest temperature without heat loss, the utilization rate of the gas and the heat energy is greatly improved, and the energy saving purpose is realized.
Description
Technical Field
The utility model relates to the technical field of gas hot blast stoves, in particular to an energy-saving coke oven gas hot blast stove with an internal flue.
Background
The control of the temperature atmosphere in a hearth of the conventional coke oven gas hot blast stove is not reasonable, and air mixing is generally started at an air mixing chamber, so that the temperature in the stove is higher and heat loss is caused; the device needs to be provided with an independent high-temperature flue to enter the device to be heated, heat loss can be caused by the high-temperature flue, an additional fan is needed to be arranged for reducing the temperature of the outlet flue gas, the fuel gas consumption of the coke oven gas is high, and the operation cost of a user is relatively high, so that a technology is needed to make up for the defect.
Disclosure of Invention
The utility model aims to solve the problems and provide the energy-saving flue built-in coke oven gas hot blast stove, which is characterized in that a high-temperature flue is removed from a main flue arranged in a combustion channel device, so that heat loss is reduced to the minimum, the flue built-in coke oven gas hot blast stove does not need to carry out additional air distribution, low-temperature flue gas of the main flue is used as air distribution of a system, an additional air distribution fan is not needed, and the gas burnt by the coke oven gas burner in the combustion channel device is mixed with the main flue at the highest temperature, so that the utilization rate of the coke oven gas is greatly improved, the fuel gas consumption of the coke oven gas is reduced, and the operation cost of a user is reduced.
In order to solve the problems, the utility model provides a technical scheme that: an energy-saving flue built-in coke oven gas hot blast stove comprises a burner, an air injection device, an air inlet device and a combustion channel device; the combustion path apparatus includes: the main flue and the combustion channel are arranged in the main flue, and the burner is positioned in the center of the combustion channel; the air injection device includes: the central gas channel and the peripheral gas injection channel are connected to the burner, the central gas channel is positioned around the center of the burner, the peripheral gas injection channel is a sleeve interlayer, and a cyclone is arranged at the outlet; the air inlet device comprises: the primary air channel is positioned at the central position of the burner, the central gas channel is arranged in the primary air channel, the cylinder of the primary air channel forms an inner cylinder of the peripheral air injection channel, the secondary air channel is positioned outside the peripheral air injection channel, the inner cylinder of the secondary air channel is an outer cylinder of the peripheral air injection channel, the outlet of the secondary air channel is of a direct-current structure, and the tertiary air channel is positioned in a main flue of the combustion channel device.
Preferably, the air distribution system further comprises an air distribution adjusting mechanism and a gas adjusting valve group; the air volume distribution adjusting mechanism comprises: the device comprises a primary air regulator, a secondary air regulator and an electric air damper, wherein the primary air regulator and the secondary air regulator are arranged on a combustor, and the electric air damper is connected to the combustor; the gas regulating valve group includes: the central gas regulating valve, the peripheral gas regulating valve and the gas valve group are respectively communicated with the coke oven burner; the central gas regulating valve and the peripheral gas regulating valve are communicated with the gas valve group.
Preferably, a tertiary air spoiler is further arranged in the main flue.
Preferably, the central gas channel, the peripheral air injection channel and the electric air damper are all provided with electric adjusting mechanisms, and the primary air channel and the secondary air channel are all provided with manual adjusting mechanisms.
Preferably, the outlets of the primary air channels and the ends of the peripheral air injection channels are respectively provided with a cyclone.
The utility model has the beneficial effects that: the gas central channel inlet and the gas peripheral channel inlet of the burner are respectively provided with the gas regulating valves, the central flame and the peripheral flame are respectively controlled, the diameter and the length of the combustion flame are controlled by proportionally regulating the air quantity of the combustion-supporting fan of the system, the combustion channel adopts a direct mixing type structure, the external welding turbulence device is adopted, the purpose that the main flue gas and the high-temperature gas form turbulence are uniformly mixed is ensured, the low-temperature main flue gas can reduce the strength of the combustion channel device and protect the device, meanwhile, the combustion channel is directly arranged on the main flue, the system does not need to carry out additional air distribution, the manufacturing cost and the energy consumption of the air distribution machine are saved, the gas burnt by the gas burner in the combustion channel is mixed with the original flue gas at the highest temperature without heat loss, the utilization rate of the gas and the heat energy is greatly improved, and the energy saving purpose is realized.
Drawings
Fig. 1 is a schematic structural view of the present utility model.
Fig. 2 is a schematic side view of the present utility model.
A main flue; 2-combustion path; 3-tertiary air spoiler; a 4-burner; 5-a central gas regulating valve; 6-a peripheral gas regulating valve; 7-a central gas channel; 8-peripheral jet channels; 9-a primary air passage; 10-a secondary air channel; 11-tertiary air channels; 12-a primary air regulator; 13-a secondary air regulator; 14-an igniter; 15-an electric damper; 16-gas valve group.
Detailed Description
As shown in fig. 1 and 2, the following technical solutions are adopted in this embodiment: an energy-saving flue built-in coke oven gas hot blast stove comprises a burner 4, an air injection device, an air inlet device and a combustion channel device; the combustion path apparatus includes: a main flue 1 and a combustion channel 2, wherein the combustion channel 2 is arranged in the main flue 1, and the burner 4 is positioned at the center of the combustion channel 2; the air injection device includes: the central gas channel 7 and the peripheral gas injection channel 8 are connected to the burner 4, the central gas channel 7 is positioned around the center of the burner 4, the peripheral gas injection channel 8 is a sleeve interlayer, and a cyclone is arranged at the outlet; the air inlet device comprises: the primary air channel 9 is positioned at the central position of the burner 4, the central gas channel 7 is arranged in the primary air channel 9, the cylinder of the primary air channel 9 forms an inner cylinder of the peripheral air injection channel 8, the secondary air channel 10 is positioned outside the peripheral air injection channel 8, the inner cylinder of the secondary air channel 10 is an outer cylinder of the peripheral air injection channel 8, the outlet of the secondary air channel 10 is of a direct-current structure, and the tertiary air channel 11 is positioned in the main flue 1 of the combustion channel device.
As shown in fig. 1 and 2, the air distribution adjusting mechanism and the gas adjusting valve group are further included; the air volume distribution adjusting mechanism comprises: a primary air regulator 12, a secondary air regulator 13 and an electric damper 15, wherein the primary air regulator 12 and the secondary air regulator 13 are arranged on the burner 4, and the electric damper 15 is connected on the burner 4; the gas regulating valve group includes: the central gas regulating valve 5, the peripheral gas regulating valve 6 and the gas valve group 16 are respectively communicated with the central gas regulating valve 5 and the peripheral gas regulating valve 6 on the coke oven combustor 4; the central gas regulating valve 5 and the peripheral gas regulating valve 6 are communicated with a gas valve group 16.
Wherein, the main flue 1 is also provided with a tertiary air spoiler 3; the central gas channel 7, the peripheral air injection channel 8 and the electric air damper 15 are all provided with electric adjusting mechanisms, and the primary air channel 9 and the secondary air channel 10 are all provided with manual adjusting mechanisms; the outlets of the primary air channels 9 and the ends of the peripheral air injection channels 8 are respectively provided with a cyclone.
The use state of the utility model is as follows: the gas respectively enters the central gas regulating valve 5 and the peripheral gas regulating valve 6 through the gas valve group 16, then the gas is distributed to the central gas channel 7 and the peripheral gas injection channel 8 for injection, the combustion air is supplemented through the electric regulating damper 15, the combustion air is disturbed through the primary air swirling device at the tail end of the primary air channel 9, the combustion air is ignited by the igniter 14 for better mixing with the gas injected by the central gas channel 7, the combustion is carried out, the air quantity and the gas quantity are regulated by the primary air regulator 12 and the central gas regulating valve 5, so that the diameter and the length of central flame are controlled, the combustion load is further controlled, the secondary air channel 10 is designed into a direct-current structure, the outside of the peripheral gas injection channel 8 is supplemented with the combustion air through the secondary air regulator 13, the combustion air is mixed with the gas at the front part of the combustion head, the combustion air is ignited by the igniter 14, the combustion and the secondary air can also be independently combusted and regulated, the central flame is driven to be injected, the concentrated flame formed by the hydrogen is prevented from being too fast combusted, and the increase of the NOx yield caused by too high flame is avoided. The main flue 1 is supplemented with main flue gas, and the main flue gas is directly mixed with high-temperature flue gas which is burnt by the burner 4 by virtue of the tertiary air turbulence device 3, so that the flame burning temperature is partially reduced, and the heat-resistant steel of the combustion channel 2 is protected; the high-temperature flue gas and the main flue gas after combustion are directly mixed in the main flue, so that no heat dissipation loss exists in the system, and the utilization rate of heat energy of the system is improved; the other part of the system does not need additional air distribution and high-temperature flue, so that the manufacturing cost of the air distribution machine and the high-temperature flue and the power consumption of the air distribution machine are saved, the main flue gas is used as the air distribution of the system, the utilization rate of coke oven gas is greatly improved, and the purpose of energy saving is finally realized.
In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.
While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.
The control mode of the utility model is controlled by manually starting and closing the switch, the wiring diagram of the power element and the supply of the power supply are common knowledge in the field, and the utility model is mainly used for protecting the mechanical device, so the utility model does not explain the control mode and the wiring arrangement in detail.
Claims (5)
1. An energy-saving flue built-in coke oven gas hot blast stove is characterized in that: comprises a burner (4), an air injection device, an air inlet device and a combustion channel device;
the combustion path apparatus includes: the device comprises a main flue (1) and a combustion channel (2), wherein the combustion channel (2) is arranged in the main flue (1), and the burner (4) is positioned in the center of the combustion channel (2);
the air injection device includes: the central gas channel (7) and the peripheral gas injection channel (8), wherein the central gas channel (7) and the peripheral gas injection channel (8) are connected to the burner (4), the central gas channel (7) is positioned around the center of the burner (4), the peripheral gas injection channel (8) is a sleeve interlayer, and a cyclone is arranged at the outlet;
the air inlet device comprises: the primary air channel (9), the secondary air channel (10) and the tertiary air channel (11), the primary air channel (9) is located at the center of the burner (4), the central gas channel (7) is arranged in the primary air channel (9), the cylinder of the primary air channel (9) forms the inner cylinder of the peripheral air injection channel (8), the secondary air channel (10) is located outside the peripheral air injection channel (8), the inner cylinder of the secondary air channel (10) is the outer cylinder of the peripheral air injection channel (8), the outlet of the secondary air channel (10) is of a direct current structure, and the tertiary air channel (11) is located in the main flue (1) of the combustion channel device.
2. An energy-efficient flue-built-in coke oven gas hot blast stove according to claim 1, characterized in that: the air distribution adjusting mechanism and the gas adjusting valve group are also included;
the air volume distribution adjusting mechanism comprises: the device comprises a primary air regulator (12), a secondary air regulator (13) and an electric air regulator (15), wherein the primary air regulator (12) and the secondary air regulator (13) are arranged on a combustor (4), and the electric air regulator (15) is connected to the combustor (4);
the gas regulating valve group includes: the central gas regulating valve (5), the peripheral gas regulating valve (6) and the gas valve group (16) are respectively communicated with the central gas regulating valve (5) and the peripheral gas regulating valve (6) on the burner (4); the central gas regulating valve (5) and the peripheral gas regulating valve (6) are communicated with the gas valve group (16).
3. An energy-efficient flue-built-in coke oven gas hot blast stove according to claim 1, characterized in that: and a tertiary air spoiler (3) is also arranged in the main flue (1).
4. An energy-efficient flue-built-in coke oven gas hot blast stove according to claim 1, characterized in that: the central gas channel (7), the peripheral air injection channel (8) and the electric air damper (15) are all provided with electric adjusting mechanisms, and the primary air channel (9) and the secondary air channel (10) are all provided with manual adjusting mechanisms.
5. An energy-efficient flue-built-in coke oven gas hot blast stove according to claim 1, characterized in that: the outlets of the primary air channels (9) and the ends of the peripheral air injection channels (8) are respectively provided with a cyclone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320285806.4U CN219494395U (en) | 2023-02-22 | 2023-02-22 | Energy-saving type coke oven gas hot blast stove with built-in flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320285806.4U CN219494395U (en) | 2023-02-22 | 2023-02-22 | Energy-saving type coke oven gas hot blast stove with built-in flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219494395U true CN219494395U (en) | 2023-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320285806.4U Active CN219494395U (en) | 2023-02-22 | 2023-02-22 | Energy-saving type coke oven gas hot blast stove with built-in flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219494395U (en) |
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2023
- 2023-02-22 CN CN202320285806.4U patent/CN219494395U/en active Active
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