CN217585403U - Coke oven flue gas temperature regulating device - Google Patents
Coke oven flue gas temperature regulating device Download PDFInfo
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- CN217585403U CN217585403U CN202221545956.6U CN202221545956U CN217585403U CN 217585403 U CN217585403 U CN 217585403U CN 202221545956 U CN202221545956 U CN 202221545956U CN 217585403 U CN217585403 U CN 217585403U
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Abstract
The utility model discloses a coke oven flue gas temperature regulating device, which belongs to the technical field of coke oven flue gas treatment and is used for regulating the temperature of coke oven flue gas at the horizontal section of a flue; it is characterized by comprising the following steps: the outer wall of the temperature adjusting device is used for the coke oven smoke to pass through; the outer wall of the temperature adjusting device is of a cylinder or ring structure; m spray heads are arranged in an inner cavity of the outer wall of the temperature adjusting device, and M is a natural number larger than 0; one end of each water inlet branch pipeline is connected with each spray head, the other end of each water inlet branch pipeline is connected with one end of a water inlet main pipeline, and the other end of each water inlet main pipeline is inserted into the circulating water tank; a temperature-adjusting water pump and a main valve are arranged on the water inlet main pipeline; each water inlet branch pipeline is provided with a regulating valve; and a U-shaped water seal is arranged at the bottom of the outer wall of the temperature adjusting device. The water pump is used for pressurizing water, and the water is atomized and sprayed into the flue at a plurality of angles through the spray head arranged in the temperature adjusting device, so that the water and the flue gas are contacted for heat exchange, and the temperature of the flue gas is reduced.
Description
Technical Field
The utility model belongs to the technical field of coke oven flue gas handles, especially, relate to a coke oven flue gas temperature regulating device.
Background
In recent years, with the more and more strict requirements on environmental protection, the coke oven flue gas can be discharged after being treated by desulfurization and denitrification, and the common treatment process comprises the following steps: the method comprises the steps of SCR denitration, a waste heat boiler and catalytic desulfurization, wherein the desulfurization process has strict requirements on temperature, generally 130-140 ℃, the temperature of coke oven flue gas is generally about 220-250 ℃, and the temperature of the coke oven flue gas must be adjusted in order to meet the desulfurization requirement. The coke oven flue gas has the characteristics of large flow, high temperature, smoke dust, stable pressure and the like, so the coke oven flue gas temperature regulating device has the characteristics of simple structure, convenient operation, small resistance, sensitive regulation and the like.
SUMMERY OF THE UTILITY MODEL
To above technical defect, the utility model provides a coke oven flue gas temperature adjusting device utilizes the water pump to pressurize water, through the shower nozzle of installing in attemperator, falls into three angle atomizing and spouts in the flue for water and flue gas contact heat transfer, thereby reduce the flue gas temperature, through adjusting shower nozzle valve switching or water pump outlet pressure, can make the flue gas temperature keep in a reasonable interval, thereby satisfy follow-up flue gas desulfurization reaction demand.
In order to achieve the technical purpose, the utility model discloses a following technical scheme realizes:
a coke oven flue gas temperature regulating device is used for regulating the temperature of coke oven flue gas at a horizontal section of a flue; the method comprises the following steps: the outer wall of the temperature adjusting device is used for the coke oven smoke to pass through; the outer wall of the temperature adjusting device is of a cylinder or ring structure; m spray heads are arranged in an inner cavity of the outer wall of the temperature adjusting device, and M is a natural number larger than 0; one end of each water inlet branch pipeline is connected with each spray head, the other end of each water inlet branch pipeline is connected with one end of a water inlet main pipeline, and the other end of each water inlet main pipeline is inserted into the circulating water tank; a temperature-regulating water pump and a main valve are arranged on the water inlet main pipeline; each water inlet branch pipeline is provided with a regulating valve; and a U-shaped water seal is arranged at the bottom of the outer wall of the temperature adjusting device.
Preferably, in order to achieve a uniform cooling: the inner wall of the outer wall of the temperature adjusting device is uniformly provided with three spray heads; wherein, one spray head is positioned on the top of the inner wall of the outer wall of the temperature adjusting device; the other two spray heads are equal to the top spray head in distance, and the two spray heads are positioned at two ends of the diameter of the outer wall of the temperature adjusting device.
Preferably, to achieve continuous cooling: and a water replenishing pipe is arranged at the circulating water tank.
The branch water inlet pipeline is connected with the main water inlet pipeline through a flange.
The side wall of the outer wall of the temperature adjusting device is provided with a connecting hole into which a water inlet branch pipeline is inserted, and the distance between the spray head and the side wall of the outer wall of the temperature adjusting device is not more than 20cm.
In order to realize quick disassembly or replacement and installation, the connecting hole is provided with an internal thread, the end part of the water inlet branch pipeline is provided with an external thread, and the water inlet branch pipeline and the external thread are connected through threads.
The water pressure output by the temperature-adjusting water pump is 0.5MPa.
The U-shaped water seal is made of seamless steel tubes through welding.
The diameter of the outer wall of the temperature adjusting device is 40cm larger than the outer diameter of the flue.
The utility model has the advantages and the technical effect be:
compared with the traditional air cooling, the utility model adopts clean energy water to cool the coke oven flue gas, has the advantages of cleanness and environmental protection, and simultaneously has large specific heat capacity of water, good cooling effect and high cost performance; meanwhile, the branch water inlet pipeline and the outer wall of the temperature adjusting device are connected by threads, so that the water inlet pipeline has the advantages of convenient disassembly and convenient replacement and maintenance; the utility model discloses a plurality of shower nozzles can be followed different angles simultaneously and cooled down to the coke oven flue gas for the temperature of coke oven flue gas is even, prevents the unsafe factor of the too high production of local temperature. In the process of temperature reduction, one part of water directly exchanges heat with the flue gas, and the other part of water is vaporized to absorb heat, so that the temperature regulation effect is sensitive; because the coke oven flue gas contains a large amount of water vapor, the water vaporized in the heat exchange process of the water and the flue gas basically has no influence on the properties of the components of the flue gas and the subsequent desulfurization process; because the water spraying temperature regulation is adopted, the whole temperature regulation device is of a hollow structure, so that the resistance is very small, and the influence on the smoke pressure of the coke oven is basically avoided; by adopting the U-shaped water seal, unvaporized temperature adjusting water in the temperature adjusting device and water flow sprayed under the fault state of the spray head are discharged, and meanwhile, the flue gas is isolated from being communicated with the outside.
Drawings
FIG. 1 is a block diagram of a preferred embodiment of the present invention;
fig. 2 is an assembly view of the preferred embodiment of the present invention.
In the figure, 1, a temperature-adjusting water pump; 2. a main valve; 3. a circulating water tank; 4. a flue; 5. a U-shaped water seal; 6. the outer wall of the temperature adjusting device; 7. adjusting the valve; 8. a spray head; 9. a water replenishing pipe.
Detailed Description
In order to make the above objects, control system and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
The utility model discloses a solve current problem and realize like this:
referring to fig. 1 and 2, a coke oven flue gas temperature adjusting device is used for adjusting the temperature of the coke oven flue gas at the horizontal section of a flue 4; the method mainly comprises the following steps: the outer wall 6 of the temperature adjusting device with a hollow structure is used for the coke oven smoke to pass through; the outer wall of the temperature adjusting device is of a cylinder or ring structure, and in the preferred embodiment, a cylinder structure is selected; m spray heads 8 are arranged in an inner cavity of the outer wall of the temperature adjusting device, wherein M is a natural number larger than 0; one end of the water inlet branch pipeline is connected with each spray head, the other end of the water inlet branch pipeline is connected with one end of the water inlet main pipeline, and the other end of the water inlet main pipeline is inserted into the circulating water tank 3; a temperature-adjusting water pump 1 and a main valve 2 are arranged on the water inlet main pipeline; each water inlet branch pipeline is provided with an adjusting valve 7; and a U-shaped water seal 5 is arranged at the bottom of the outer wall of the temperature adjusting device.
The working principle is as follows: the outer wall 6 of the temperature adjusting device is connected with the original coke oven flue by a flange, so that the outer wall 6 of the temperature adjusting device and the coke oven flue are positioned on the same central line, flue gas passes through the outer wall 6 of the temperature adjusting device, a temperature adjusting water pump is started, the temperature adjusting water pump pumps water in a circulating water tank, the water is pressurized, the pressurized water flows into a plurality of water inlet branch pipelines respectively after passing through a water inlet main pipeline, the water is atomized and sprayed into the flue through a nozzle arranged at the tail end of a branch pipeline in the temperature adjusting device at a plurality of angles, the water is contacted with the flue gas to realize heat exchange, the temperature of the flue gas is reduced, and the temperature of the flue gas can be kept in a reasonable interval by opening and closing an adjusting valve or adjusting the pressure of an outlet of the temperature adjusting water pump, so that the requirement of subsequent flue gas desulfurization reaction is met.
In order to achieve uniform cooling: on the basis of the preferred embodiment, the inner wall of the outer wall of the temperature adjusting device is uniformly provided with three spray heads; wherein, one spray head is positioned on the top of the inner wall of the outer wall of the temperature adjusting device; the other two spray heads are equal to the top spray head in distance, and the two spray heads are positioned at two ends of the diameter of the outer wall of the temperature adjusting device.
To achieve continuous cooling, the circulating water tank needs to have a sufficient water source: and a water replenishing pipe 9 is arranged at the circulating water tank.
The branch water inlet pipeline is connected with the main water inlet pipeline through a flange.
The side wall of the outer wall of the temperature adjusting device is provided with a connecting hole into which a water inlet branch pipeline is inserted, and the distance between the spray head and the side wall of the outer wall of the temperature adjusting device is not more than 20cm.
In order to realize quick disassembly or replacement and installation, the connecting hole is provided with an internal thread, the end part of the water inlet branch pipeline is provided with an external thread, and the water inlet branch pipeline and the external thread are connected through threads.
The water pressure output by the temperature-adjusting water pump is 0.5MPa.
The U-shaped water seal is made of seamless steel tubes through welding.
The diameter of the outer wall of the temperature adjusting device is 40cm larger than the outer diameter of the flue
As shown in figure 1, the outlet of the temperature regulating water pump is connected with three branch water inlet pipelines, the branch water inlet pipelines are connected with the inlet main pipeline of the outlet of the temperature regulating water pump, and the inlet main pipeline is provided with a main valve for performing the functions of main adjustment and opening and closing. The tail ends of the three water inlet branch pipelines respectively extend into the whole temperature adjusting device, the distance between the tail ends and the outer wall of the temperature adjusting device is 20cm, the branch pipelines are connected with the outer wall of the temperature adjusting device in a welding mode or in a threaded mode, and the tail ends of the branch pipelines are connected with spray heads.
The temperature regulating water pump import be connected with the circulating water pond, after the water pressurization of temperature regulating water pump in with the circulating water pond, spout into attemperator through three shower nozzle in, water and flue gas contact heat transfer, the heat transfer divides two parts: one part of water exchanges heat with the flue gas directly, and the other part of water evaporates to absorb the heat of the flue gas, thereby playing a role in regulating the temperature of the flue gas.
The bottom of the temperature adjusting device is also provided with a U-shaped water seal, the U-shaped water seal is made by welding seamless steel tubes, the U-shaped water seal is connected with the temperature adjusting device by flanges, and the U-shaped water seal is used for discharging the unvaporized temperature adjusting water in the temperature adjusting device and water flow sprayed under the fault state of a spray head, and simultaneously cutting off the communication of smoke and the outside.
The size of the circulating water tank can be freely set according to the water quantity required by temperature regulation. The circulating water tank is also provided with a water replenishing pipe for replenishing new water according to needs.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A coke oven flue gas temperature regulating device is used for regulating the temperature of coke oven flue gas at the horizontal section of a flue (4); it is characterized by comprising: the outer wall (6) of the temperature adjusting device is used for the coke oven smoke to pass through; the outer wall (6) of the temperature adjusting device is of a cylinder or ring structure; m spray heads are arranged in an inner cavity of the outer wall (6) of the temperature adjusting device, and M is a natural number larger than 0; one end of each water inlet branch pipeline is connected with each spray head, the other end of each water inlet branch pipeline is connected with one end of a water inlet main pipeline, and the other end of each water inlet main pipeline is inserted into the circulating water tank (3); a temperature-adjusting water pump (1) and a main valve (2) are arranged on the water inlet main pipeline; each water inlet branch pipeline is provided with a regulating valve (7); and a U-shaped water seal (5) is arranged at the bottom of the outer wall (6) of the temperature adjusting device.
2. The coke oven flue gas temperature regulating device of claim 1, wherein: the inner wall of the outer wall (6) of the temperature adjusting device is uniformly provided with three spray heads; wherein, one spray head is positioned on the top of the inner wall of the outer wall (6) of the temperature adjusting device; the other two spray heads are equal in distance to the top spray head and are positioned at two ends of the diameter of the outer wall (6) of the temperature adjusting device.
3. The coke oven flue gas temperature regulating device of claim 1, wherein: a water replenishing pipe (9) is arranged at the circulating water pool (3).
4. The coke oven flue gas temperature regulating device of claim 2, wherein: the branch water inlet pipeline is connected with the main water inlet pipeline through a flange.
5. The coke oven flue gas temperature regulating device of claim 1, wherein: the side wall of the outer wall (6) of the temperature adjusting device is provided with a connecting hole into which a water inlet branch pipeline is inserted, and the distance between the spray head and the side wall of the outer wall (6) of the temperature adjusting device is not more than 20cm.
6. The coke oven flue gas temperature regulating device of claim 5, wherein: the connecting hole is provided with an internal thread, the end part of the branch water inlet pipeline is provided with an external thread, and the branch water inlet pipeline are connected through threads.
7. The coke oven flue gas temperature regulating device of claim 1, wherein: the water pressure output by the temperature-adjusting water pump is 0.5MPa.
8. The coke oven flue gas temperature regulating device of claim 1, wherein: the U-shaped water seal (5) is made of seamless steel pipes through welding.
9. The coke oven flue gas temperature regulating device of claim 1, wherein: the diameter of the outer wall (6) of the temperature adjusting device is 40cm larger than the outer diameter of the flue (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221545956.6U CN217585403U (en) | 2022-06-20 | 2022-06-20 | Coke oven flue gas temperature regulating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221545956.6U CN217585403U (en) | 2022-06-20 | 2022-06-20 | Coke oven flue gas temperature regulating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217585403U true CN217585403U (en) | 2022-10-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221545956.6U Active CN217585403U (en) | 2022-06-20 | 2022-06-20 | Coke oven flue gas temperature regulating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217585403U (en) |
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2022
- 2022-06-20 CN CN202221545956.6U patent/CN217585403U/en active Active
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