Air-cooled flue damper device of carbon tank type calcining furnace
By using high-temperature resistant metal materials and a cold air cooling system, the problem of easy damage to the flue damper at high temperatures has been solved, extending its service life and reducing the frequency of maintenance.
Patent Information
- Application Number
- CN202520450406.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-14
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2035-03-14
AI Technical Summary
Existing flue dampers are prone to refractory detachment and breakage at high temperatures, resulting in a short service life and affecting the production efficiency of the calcining furnace and the labor intensity of maintenance.
The casing and baffle components are made of high-temperature resistant metal materials, and combined with a blower and drive motor, the gate is cooled by cold air to extend its service life.
It effectively extends the service life of the flue damper, reduces the number of furnace shutdowns and maintenance workload, and improves production efficiency.
Smart Images

Figure CN223814975U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to calcining furnace flue damper technology field especially relates to a kind of carbon tank type calcining furnace air cooling flue damper device. BACKGROUND
[0002] In recent years, the state advocates and implements industrial energy-saving and emission-reducing policy, with the electrolytic aluminium industry to large-scale, energy-saving, high-efficiency direction development and petroleum coke quality shows downward trend, carbon industry's tank type calcining furnace technology with its calcined coke quality is stable, production operation cost is low, no additional fuel consumption and other advantages has gradually replaced rotary kiln and become the mainstream in current domestic carbon for aluminium field, therefore, whether electrolytic aluminium plant, independent carbon plant is more concerned with the progress and development of petroleum coke calcination technology, tank type calcining furnace has sufficient self-provided fuel, calcining furnace outlet exhaust temperature is as high as ~ 1100 DEG C, new carbon plant or old carbon plant is fully utilized by technical reformation secondary high-temperature flue gas, commonly used for generating steam or power generation, has achieved considerable economic benefits and social benefits. Flue damper is the core component of tank type calcining furnace control, and its advantages and disadvantages, service life directly affects the working condition of calcining furnace, energy consumption and the stable production of downstream secondary flue gas utilization user.
[0003] The existing flue damper is mainly composed of metal framework and external refractory castable, and is used after drying, but due to the large difference in expansion of the refractory castable and the metal framework at high temperature, especially at the place where the cold and hot air flow changes sharply, the flue damper castable is prone to fall off, and even directly breaks in the horizontal direction, thereby reducing the service life of the flue damper. When replacing the flue damper, the calcining furnace needs to be stopped, which not only reduces the calcination yield and power generation caused by stopping, but also increases the labor intensity of maintenance personnel. UTILITY MODEL CONTENTS
[0004] Therefore, the utility model embodiment provides a kind of carbon tank type calcining furnace air cooling flue damper device, and the main purpose is to provide a kind of carbon tank type calcining furnace air cooling flue damper device which can significantly improve the service life of flue damper.
[0005] To achieve the above purpose, the utility model mainly provides the following technical scheme:
[0006] The utility model embodiment provides a kind of carbon tank type calcining furnace air cooling flue damper device, and the device comprises:
[0007] The damper body comprises a shell and a baffle component, the upper end of the shell is provided with an air inlet hole, and the upper end of the other end is provided with an exhaust component, and the baffle component is arranged inside the shell.
[0008] The cooling component comprises a connecting pipe, a blower, a driving motor and a fixing component, the fixing component is installed at one end of the shell, the blower is installed at the upper portion of the fixing component, one end of the connecting pipe is connected to the output end of the blower, and the other end is connected to the air inlet hole, and the driving motor is connected to the blower.
[0009] Further, the connecting pipe comprises a connecting straight pipe and a corrugated pipe, one end of the connecting straight pipe is connected to the air inlet hole, and the other end is connected to the corrugated pipe, and the other end of the corrugated pipe is connected to the output end of the blower.
[0010] Further, the baffle component comprises at least two groups of longitudinal plates and inclined partition plates, one group of the longitudinal plates is longitudinally installed at the upper portion of the shell, the other group of the longitudinal plates is longitudinally installed at the bottom of the shell, the two groups of the longitudinal plates are arranged in a staggered mode to form a baffle channel, and the inclined partition plate is arranged at the inflection point position of the baffle channel.
[0011] Further, the shell comprises a first plate body, a second plate body and a side plate body, and the side plate body is arranged between the first plate body and the second plate body.
[0012] Further, the inclined partition plate is in a V shape.
[0013] Further, the baffle body further comprises a reinforcing plate, the reinforcing plate is arranged in the baffle channel, and two ends of the reinforcing plate are connected to the first plate body and the second plate body respectively.
[0014] Further, the exhaust component comprises an exhaust pipe, a mounting pipe, a bend pipe and a sealing piece, one end of the exhaust pipe is connected to the shell, the other end is connected to the bend pipe, the sealing piece is arranged between the bend pipe and the exhaust pipe, and the mounting pipe is connected to the bend pipe.
[0015] Further, the suspension component comprises a lifting lug and a suspension rope, the lifting lug is fixed to the upper portion of the shell, and the suspension rope is connected to the lifting lug.
[0016] Further, the material of the baffle body is a high-temperature-resistant metal material.
[0017] Compared with the prior art, the utility model has the following technical effects:
[0018] The utility model discloses an embodiment provides a technical scheme, the effect of the shutter body is to block the high temperature flue gas in the flue, the shutter body includes the casing and the baffling part, the upper portion of one end of casing is provided with the air inlet, and the upper portion of the other end is provided with the exhaust part, and the baffling part is arranged in the casing interior, the effect of the cooling part is to cool the shutter body, and the cooling part includes the connecting pipeline, the air blower, the driving motor and the fixed part, the fixed part is installed one end of the casing, the air blower is installed the upper portion of the fixed part, one end of the connecting pipeline is connected with the output end of the air blower, and the other end is connected with the air inlet, and the driving motor is connected with the air blower, relative to prior art, adopts the metal framework and the external refractory castable and constitutes, and uses after drying, but, owing to the expansion difference of refractory castable and metal framework under high temperature is bigger, especially at the steep change of hot and cold airflow, easy to appear flue shutter castable peeling, even is the horizontal direction direct fracture, thereby reduce the service life of flue shutter, when replacing flue shutter, need calcining furnace to stop furnace, not only reduce the calcining output and the power generation of the consequent reduction of stopping furnace, and, still increase the labor intensity of maintenance personnel, in the technical scheme, through setting up the air blower and the driving motor on the upper portion of the casing, and the driving motor drives the air blower to suck the cold wind and deliver to the casing through the connecting pipeline, and the cold wind passes through the baffling part and reduces the temperature in the casing, and the cold wind forms high temperature gas and is discharged through the exhaust part, thereby reach the effect of reducing the temperature of shutter body, and further reach the technical effect of increasing the service life of shutter. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 A front view structural schematic diagram of a carbon tank type calcining furnace air cooling flue shutter device is provided in the utility model embodiment.
[0020] Figure 2 A left view structural schematic diagram of a carbon tank type calcining furnace air cooling flue shutter device is provided in the utility model embodiment. DETAILED DESCRIPTION
[0021] The utility model will be further explained in detail in connection with the drawings and embodiments.
[0022] As Figure 1 And Figure 2 The utility model embodiment provides a kind of carbon tank type calcining furnace air cooling flue shutter device, and the device includes:
[0023] Shutter body, the shutter body includes casing 11 and baffling part, the upper portion of one end of casing 11 is provided with air inlet, and the upper portion of the other end is provided with exhaust part 3, and the baffling part is arranged in the casing 11 interior;
[0024] The cooling component comprises a connecting pipeline, a blower 22, a driving motor and a fixing component 24, the fixing component 24 is installed at one end of the shell 11, the blower 22 is installed at the upper part of the fixing component 24, one end of the connecting pipeline is connected to the output end of the blower 22, the other end is connected to the air inlet hole, and the driving motor is connected to the blower 22.
[0025] In the technical scheme, the flue gate body is used for blocking high-temperature flue gas in a flue, and comprises a shell 11 and a baffle component, an air inlet hole is arranged at the upper part of one end of the shell 11, an exhaust component 3 is arranged at the upper part of the other end of the shell 11, and the baffle component is arranged in the shell 11; the cooling component is used for cooling the flue gate body, and comprises a connecting pipeline, a blower 22, a driving motor and a fixing component 24, the fixing component 24 is installed at one end of the shell 11, the blower 22 is installed at the upper part of the fixing component 24, one end of the connecting pipeline is connected to the output end of the blower 22, the other end is connected to the air inlet hole, and the driving motor is connected to the blower 22.
[0026] The shutter body blocks high-temperature flue gas in the flue, and comprises a shell 11 and a baffle component, the shell 11 is provided with an air inlet hole at the upper end of one end and an exhaust component 3 at the upper end of the other end, the baffle component is arranged in the shell 11, the shell 11 is made of high-temperature-resistant metal material, which can effectively prolong the service life of the shell 11, the shell 11 has a cavity, and the baffle component is also made of high-temperature-resistant metal material, the baffle component is installed in the shell 11 and forms a baffle passage; the cooling component cools the shutter body, and the cooling component comprises a connecting pipeline, a blower 22, a driving motor and a fixing component 24, the fixing component 24 is installed at one end of the shell 11, the blower 22 is installed at the upper end of the fixing component 24, one end of the connecting pipeline is connected to the output end of the blower 22, the other end is connected to the air inlet hole, the driving motor is connected to the blower 22, the input end of the blower 22 is connected to the driving motor, the driving motor can drive the blower 22 to rotate and convey external cold air into the shell 11 through the connecting pipeline, the cold air exchanges heat with hot air in the shell 11, and then is discharged from the shell 11 through the exhaust component 3, the fixing component 24 is installed at the upper end of one end of the shell 11 and can fix the blower 22 and the driving motor, in the technical solution, the blower 22 and the driving motor are arranged at the upper end of the shell 11, the driving motor drives the blower 22 to suck cold air and convey the cold air into the shell 11 through the connecting pipeline, the cold air passes through the baffle component to reduce the temperature in the shell 11, the cold air forms high-temperature gas and is discharged through the exhaust component 3, so that the temperature of the shutter body is reduced, and the service life of the shutter is prolonged.
[0027] Further, the connecting pipeline comprises a connecting straight pipe 211 and a corrugated pipe 212, one end of the connecting straight pipe 211 is connected to the air inlet hole, the other end is connected to the corrugated pipe 212, and the other end of the corrugated pipe 212 is connected to the output end of the blower 22. In the embodiment, the connecting pipeline is further limited, the connecting straight pipe 211 is fixed on the shell 11 by bolts, and the other end is connected to the corrugated pipe 212, so that the blower 22 is conveniently installed and connected.
[0028] Further, the baffle component comprises at least two groups of longitudinal septa and inclined septum 123, wherein one group of the longitudinal septa is longitudinally installed on the upper part of the shell 11, and the other group of the longitudinal septa is longitudinally installed on the bottom of the shell 11, and the two groups of longitudinal septa are arranged in staggered positions to form a baffle passage, and the inclined septum 123 is arranged at the inflection point position of the baffle passage. In this embodiment, the baffle component is further limited, and there are at least two groups of longitudinal septa, wherein the first group of longitudinal septa 121 is installed on the upper part in the shell 11, and the second group of longitudinal septa 122 is installed on the lower part in the shell 11, and there is a first gap between the first group of longitudinal septa 121 and the lower part of the shell 11, and there is a second gap between the second group of longitudinal septa 122 and the upper part of the shell 11, so that the two groups of longitudinal septa are arranged in staggered positions and form a baffle passage, and the cold air passes through the baffle passage and then is discharged from the exhaust component 3, and the inclined septum 123 is arranged at the first gap and the second interval, and the inclined septum 123 is in the shape of a "V", which can change the flow direction of the cold air, so that the cold air can better perform heat transfer, thereby achieving the technical effect of improving the speed of heat transfer.
[0029] Further, the shell 11 comprises a first plate body, a second plate body and a side plate body, and the side plate body is arranged between the first plate body and the second plate body. In this embodiment, the shell 11 is further limited, the first plate body and the second plate body are arranged oppositely, the side plate body is arranged around the first plate body and the second plate body, and the side plate body is connected with the first plate body and the second plate body by welding, thereby improving the connectivity of the shell 11. Optionally, the gate body further comprises a reinforcing plate 124, the reinforcing plate 124 is arranged in the baffle passage, and the two ends of the reinforcing plate 124 are connected to the first plate body and the second plate body respectively, and the reinforcing plate 124 can further improve the connectivity and supportability of the shell 11.
[0030] Further, the exhaust component 3 comprises an exhaust pipe 31, a mounting pipe 32, a bent pipe 33 and a sealing element 34, one end of the exhaust pipe 31 is connected to the shell 11, the other end is connected to the bent pipe 33, the sealing element 34 is arranged between the bent pipe 33 and the exhaust pipe 31, and the mounting pipe 32 is connected to the bent pipe 33. In this embodiment, the exhaust component 3 is further limited, one end of the exhaust pipe 31 is fixed on the shell 11, the other end is connected to the bent pipe 33 through the sealing element 34, the sealing element 34 adopts graphite packing, the other end of the bent pipe 33 is connected to the mounting pipe 32 through a connecting disc, which is used for discharging hot air, thereby achieving the technical effect of conveniently discharging hot air.
[0031] Further, the hanging component includes the lifting lugs 41 fixed on the upper part of the shell 11 and the hanging ropes 42 connected to the lifting lugs 41. In the embodiment, the hanging component is added, and the hanging component is used to hang the shell 11. The lifting lugs 41 are two, the lifting lugs 41 are fixed on the upper part of the shell 11, and the two ends of the hanging ropes 42 are connected to the two lifting lugs 41 respectively. When the shell 11 needs to be hung, the hanging ropes 42 are hung, so that the technical effect of convenient hanging is achieved.
[0032] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of changes or replacements within the technical range disclosed by the present application, which should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A carbon pot calciner air quench flue damper device characterized by, It comprises: a damper body, which comprises a shell and a baffle component, the shell is provided with an air inlet hole on the upper part of one end and an exhaust component on the upper part of the other end, and the baffle component is arranged inside the shell; a cooling component, which comprises a connecting pipeline, a blower, a driving motor and a fixing component, the fixing component is installed on one end of the shell, the blower is installed on the upper part of the fixing component, one end of the connecting pipeline is connected to the output end of the blower, and the other end is connected to the air inlet hole, and the driving motor is connected to the blower.
2. The wind-cooled flue damper device of the carbon pot calcining furnace according to claim 1, wherein the connecting pipeline comprises a connecting straight pipe and a corrugated pipe, one end of the connecting straight pipe is connected to the air inlet hole, and the other end is connected to the corrugated pipe, and the other end of the corrugated pipe is connected to the output end of the blower.
3. The wind-cooled flue damper device of the carbon pot calcining furnace according to claim 1, wherein the baffle component comprises at least two groups of longitudinal septum plates and inclined partition plates, one group of the longitudinal septum plates is longitudinally installed on the upper part of the shell, the other group of the longitudinal septum plates is longitudinally installed on the bottom of the shell, the two groups of the longitudinal septum plates are arranged in a staggered manner to form a baffle passage, and the inclined partition plates are arranged at the inflection point position of the baffle passage.
4. The wind-cooled flue damper device of the carbon pot calcining furnace according to claim 3, wherein the shell comprises a first plate body, a second plate body and a side plate body, and the side plate body is arranged between the first plate body and the second plate body.
5. The wind-cooled flue damper device of the carbon pot calcining furnace according to claim 3, wherein the inclined partition plates are in the shape of "V".
6. The wind-cooled flue damper device of the carbon pot calcining furnace according to claim 4, wherein the damper body further comprises a reinforcing plate, the reinforcing plate is arranged in the baffle passage, and the two ends of the reinforcing plate are respectively connected to the first plate body and the second plate body.
7. The wind-cooled flue damper device of the carbon pot calcining furnace according to any one of claims 1 to 6, wherein the exhaust component comprises an exhaust pipeline, a mounting pipeline, a elbow pipeline and a sealing element, one end of the exhaust pipeline is connected to the shell, the other end is connected to the elbow pipeline, the sealing element is arranged between the elbow pipeline and the exhaust pipeline, and the mounting pipeline is connected to the elbow pipeline.
8. A coke drum calciner air cooled flue damper assembly according to any one of claims 1 to 6, characterised in that, It further comprises: a suspension component, which comprises an eye and a suspension rope, the eye is fixed on the upper part of the shell, and the suspension rope is connected to the eye.
9. The wind-cooled flue damper device of the carbon pot calcining furnace according to any one of claims 1 to 6, wherein the material of the damper body is a high-temperature-resistant metal material.