CN115404428A - Observation window of closed galvanized heating furnace - Google Patents
Observation window of closed galvanized heating furnace Download PDFInfo
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- CN115404428A CN115404428A CN202211359881.7A CN202211359881A CN115404428A CN 115404428 A CN115404428 A CN 115404428A CN 202211359881 A CN202211359881 A CN 202211359881A CN 115404428 A CN115404428 A CN 115404428A
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- fan
- gear
- lens
- cylindrical
- cylindrical fan
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 19
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical group [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 229910002804 graphite Inorganic materials 0.000 claims description 24
- 239000010439 graphite Substances 0.000 claims description 24
- 238000007789 sealing Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000011819 refractory material Substances 0.000 claims description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 2
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 2
- 241001330002 Bambuseae Species 0.000 claims description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 2
- 239000011425 bamboo Substances 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 11
- 239000010959 steel Substances 0.000 abstract description 11
- JTJMJGYZQZDUJJ-UHFFFAOYSA-N phencyclidine Chemical class C1CCCCN1C1(C=2C=CC=CC=2)CCCCC1 JTJMJGYZQZDUJJ-UHFFFAOYSA-N 0.000 abstract description 5
- 239000003344 environmental pollutant Substances 0.000 abstract description 3
- 239000012535 impurity Substances 0.000 abstract description 3
- 231100000719 pollutant Toxicity 0.000 abstract description 3
- 238000013459 approach Methods 0.000 abstract description 2
- 210000004907 gland Anatomy 0.000 description 14
- 238000012423 maintenance Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 6
- 238000005246 galvanizing Methods 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/04—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the coating material
- C23C2/06—Zinc or cadmium or alloys based thereon
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/003—Apparatus
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C2/00—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
- C23C2/34—Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor characterised by the shape of the material to be treated
- C23C2/36—Elongated material
- C23C2/40—Plates; Strips
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D21/02—Observation or illuminating devices
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a closed galvanized heating furnace observation window, which comprises a lens, a fan supporting cylinder, a first cylindrical fan and a second cylindrical fan, wherein the lens is arranged at one end of the fan supporting cylinder; two ends of the second cylindrical fan are respectively provided with a lens and a first cylindrical fan; the first cylindrical fan and the second cylindrical fan are driven to rotate, and the rotating speed of the first cylindrical fan is greater than that of the second cylindrical fan. The first cylindrical fan and the second cylindrical fan form cyclone in the cylinder, so that air is not blown into the furnace, and the influence on the flow of the air for heating the steel coil in the furnace is small; under the action of pressure difference of the two annular cyclones of the first cylindrical fan and the second cylindrical fan, pollutants such as impurities and the like generated in the furnace cannot approach or fall on the inner surface of the furnace of the observation lens, and the purpose of keeping the lens clean is achieved.
Description
Technical Field
The invention relates to the technical field of heating, in particular to an observation window of a closed type galvanizing heating furnace.
Background
With the development of science and technology and the competition of steel markets to enter the albefaction, the requirements of cold rolling and galvanizing production lines on the product quality are continuously improved, and therefore more and more attention is paid to the management and control of the production process. Each cold-rolling galvanizing factory provides the requirements of ensuring the functional precision of equipment and ensuring the cleanness of a steel channel when continuously improving the working efficiency, and the equipment is optimized and controlled so as to be preempted in competition.
For the condition inside the closed heating furnace, the operation conditions of the strip steel and the equipment in the furnace can be observed only through a clear camera, if a lens for observing the condition in the furnace is polluted, the operation conditions of the equipment and the strip steel in the furnace can not be accurately judged even if the camera outside the furnace clearly observes the furnace, and the operation accuracy of the heating furnace can be influenced.
Because of the closed heating furnace, in order to ensure the lens cleaning, the prior art is to inflate the air holes with the diameter of 8mm and the distance of 5mm from the lens at the inner side of the furnace is 90 degrees different to protect the lens. The protection effect of the measures is not good, therefore, people design an isolating device for wiping the lens during production, a steel clamping plate arranged on the inner side of the lens needs to be clamped well firstly to ensure that the lens is isolated from high-temperature gas in a furnace, then when the lens is cooled to be harmless to people, a bolt and a lens gland for fixing the lens are detached, the lens is detached for wiping, but the detachment is very difficult, the lens is arranged in reverse order after being cleaned up, about 3 hours is needed, and even if the cleanness of the lens can be maintained for only 3 days. The repeated maintenance work consumes a large amount of manpower, the condition in the furnace is invisible during the maintenance and wiping, and because the furnace is a high-temperature gas with positive pressure, the production and maintenance have great hidden danger on the safety of maintenance personnel; that is, the lens of the observation window is very easy to be polluted and has no good solution, and the existing method can not meet the production requirement.
Therefore, the observation window device in the prior art has low working efficiency and high cost which are difficult to solve; in order to reduce the investment and achieve the goal of protecting or reducing the pollution on the inner side of the oven for observing the lenses, the observation window in the oven must be modified.
Disclosure of Invention
The technical problem to be solved by the invention is to provide the observation window of the closed type galvanizing heating furnace, and the observation window can prolong the maintenance period of lens cleaning; the observation effect on the condition in the furnace is good, the high-temperature camera equipment in the furnace with high price does not need to be replaced, the camera equipment outside the furnace is still used, the labor intensity of equipment maintenance personnel is greatly reduced, and the working efficiency and the working quality are improved.
In order to solve the technical problems, the invention adopts the following technical means:
a closed galvanized heating furnace observation window comprises a lens, a fan supporting cylinder, a first cylindrical fan and a second cylindrical fan, wherein the lens is arranged at one end of the fan supporting cylinder, the lens is connected with the fan supporting cylinder in a sealing mode, the other end of the fan supporting cylinder is installed on a furnace wall and communicated with the interior of a hearth, a refractory material is cast between the fan supporting cylinder and the furnace wall for sealing, and the first cylindrical fan and the second cylindrical fan are arranged in the fan supporting cylinder; certain movable gaps are reserved among the first cylindrical fan, the second cylindrical fan and the fan supporting cylinder, and two ends of the first cylindrical fan are connected with the fan supporting cylinder through a first self-lubricating graphite bearing and a second self-lubricating graphite bearing respectively; two ends of the second cylindrical fan are connected with the fan supporting cylinder through a third self-lubricating graphite bearing and a fourth self-lubricating graphite bearing respectively; one end of the second cylindrical fan is provided with a lens, and the other end of the second cylindrical fan is provided with a first cylindrical fan; the first cylindrical fan and the second cylindrical fan are driven to rotate, and the rotating speed of the first cylindrical fan is greater than that of the second cylindrical fan.
The invention has the advantages that:
firstly, the method comprises the following steps: the fan supporting barrel is used for connecting and arranging the lens, the first cylindrical fan and the second cylindrical fan, the lens is used for observing the condition in the furnace through the hollow parts of the first cylindrical fan and the second cylindrical fan, and the arrangement of the components can ensure the realization of observation work.
Secondly, the method comprises the following steps: the annular cyclone generated by the rotation of the first cylindrical fan and the second cylindrical fan forms cyclone in the fan supporting cylinder, so that the gas is not blown into the furnace, and the influence on the gas flow for heating the steel coil in the furnace is small.
Thirdly, the method comprises the following steps: the cyclone flow velocity formed by the first cylindrical fan is larger than that formed by the second cylindrical fan, and under the action of the pressure difference of the two annular cyclones, pollutants such as impurities and the like generated in the furnace cannot approach or fall on the inner surface of the furnace of the observation lens, so that the aim of keeping the lens clean is fulfilled.
The further preferred technical scheme is as follows:
the first cylindrical fan and the second cylindrical fan are driven by a motor through a gear set.
Through setting up the gear train, be convenient for utilize same motor to drive, and can utilize the gear train to realize the different setting of first cylindric fan, second cylindric fan rotational speed.
The gear set comprises a first gear, a second gear, a third gear, a fourth gear, a fifth gear and a sixth gear; the fifth gear and the sixth gear are both arranged on an output shaft of the motor, the fifth gear is meshed with the third gear, the third gear is meshed with the first gear, and the first gear is arranged on the first cylindrical fan and is coaxial with the first cylindrical fan; the sixth gear is meshed with the fourth gear, the fourth gear is meshed with the second gear, and the second gear is installed on the second cylindrical fan; the third gear, the fourth gear and the fan supporting cylinder are arranged in a sealing mode, and the motor drives the first cylindrical fan and the second cylindrical fan to rotate through the gear transmission mode to provide rotating power for the first cylindrical fan and the second cylindrical fan. The diameter of the fifth gear is larger than that of the third gear, and the diameter of the sixth gear is smaller than that of the fourth gear, so that the rotation speed of the first cylindrical fan is larger than that of the second cylindrical fan.
Through setting up above-mentioned gear, utilize gear drive to realize the drive that first cylindric fan, second cylindric fan rotational speed are different.
The lens and the fan supporting cylinder are sealed through a lens gland and a lens seal, the lens seal is arranged between the lens and the fan supporting cylinder, and the lens and the fan supporting cylinder are fixedly connected through a lens gland and a gland bolt.
The lens is convenient to disassemble and maintain by arranging the lens gland and the gland bolt; through setting up the lens sealed, improve the sealed effect between lens and the fan support section of thick bamboo.
Drawings
FIG. 1 is a cross-sectional view of the present invention.
Fig. 2 is a perspective view of a cylindrical fan of the present invention.
FIG. 3 is a schematic view of the arrangement of the furnace wall and the motor output shaft and gear set of the present invention.
Description of reference numerals: the device comprises a first cylindrical fan 1, a second cylindrical fan 2, a first self-lubricating graphite bearing 3, a second self-lubricating graphite bearing 4, a third self-lubricating graphite bearing 5, a fourth self-lubricating graphite bearing 6, a first gear 7, a second gear 8, a third gear 9, a fourth gear 10, a fifth gear 11, a sixth gear 12, a motor 13, a lens gland 14, a lens 15, a lens seal 16, a fan supporting cylinder 17, a gland bolt 18, a motor output shaft 19, a furnace wall 20 and a heat-resistant and wear-resistant rubber seal 21.
Detailed Description
The present invention is further illustrated by the following examples.
Referring to fig. 1, 2 and 3, the observation window of the enclosed galvanized heating furnace of the present invention is composed of a first cylindrical fan 1, a second cylindrical fan 2, a first self-lubricating graphite bearing 3, a second self-lubricating graphite bearing 4, a third self-lubricating graphite bearing 5, a fourth self-lubricating graphite bearing 6, a motor 13, a lens gland 14, a lens 15, a lens seal 16, a fan support cylinder 17, a gland bolt 18 and a motor output shaft 19.
One end of the fan supporting cylinder 17 is provided with a lens 15, and the other end of the fan supporting cylinder is arranged on the furnace wall 20 and communicated with the interior of the hearth; the fan supporting cylinder 17 and the furnace wall 20 are sealed completely by casting refractory materials, the first cylindrical fan 1 and the second cylindrical fan 2 are mounted on the inner wall of the fan supporting cylinder 17 at the upper part and the lower part, the first cylindrical fan 1 and the second cylindrical fan 2 are cylindrical, certain movable gaps are formed between the first cylindrical fan 1 and the fan supporting cylinder 17 and between the second cylindrical fan 2 and the fan supporting cylinder 17, and two ends of the first cylindrical fan 1 are connected with the fan supporting cylinder 17 through a first self-lubricating graphite bearing 3 and a second self-lubricating graphite bearing 4 respectively; the two ends of the second cylindrical fan 2 are connected with the fan supporting cylinder 17 through a third self-lubricating graphite bearing 5 and a fourth self-lubricating graphite bearing 6 respectively, and the first self-lubricating graphite bearing 3, the second self-lubricating graphite bearing 4, the third self-lubricating graphite bearing 5 and the fourth self-lubricating graphite bearing 6 can realize free and flexible rotation of the fan.
The first cylindrical fan 1 and the second cylindrical fan 2 are designed to be cylindrical, and the first cylindrical fan 1 and the second cylindrical fan 2 are hollow in the middle, and solid objects such as a rotating shaft of a traditional fan and the like are not arranged in the middle, so that the rotating shaft does not shield the sight, equipment in a furnace and the running condition of strip steel can be observed through the hollow parts of the first cylindrical fan 1 and the second cylindrical fan 2 from the outer side of a lens 15 outside the furnace, and the equipment in the furnace and the running condition of the strip steel can be conveniently observed from the outside of the furnace to the inside of the furnace.
The first cylindrical fan 1 and the second cylindrical fan 2 are driven by a motor 13 through a gear set. The gear set consists of a first gear 7, a second gear 8, a third gear 9, a fourth gear 10, a fifth gear 11 and a sixth gear 12. The fifth gear 11 and the sixth gear 12 are both arranged on an output shaft of the motor 13, the fifth gear 11 is meshed with the third gear 9, the third gear 9 is meshed with the first gear 7, and the first gear 7 is arranged on the first cylindrical fan 1 and is coaxial with the first cylindrical fan 1; the sixth gear 12 is meshed with the fourth gear 10, the fourth gear 10 is meshed with the second gear 8, and the second gear 8 is installed on the second cylindrical fan 2; the motor 13 drives the first cylindrical fan 1 and the second cylindrical fan 2 to rotate through the gear transmission, and provides rotary power for the first cylindrical fan 1 and the second cylindrical fan 2. The diameter of the fifth gear 11 is larger than that of the third gear 9, and the diameter of the sixth gear 12 is smaller than that of the fourth gear 10, so that the rotational speed of the first cylindrical fan 1 is greater than that of the second cylindrical fan 2.
Because the gas composition in the heating furnace has strict requirements, the gas influencing the reduction of the steel plate is not allowed, the motor 13 is driven by the gear set, the atmosphere in the furnace is stirred by the fan, the composition of the atmosphere in the furnace cannot be changed, and meanwhile, the motor 13 and the gear are reliable in transmission and convenient to use.
The motor 13 is arranged outside the furnace, the third gear 9, the fourth gear 10 and the fan supporting cylinder 17 are arranged in a sealing mode, a motor output shaft 19 penetrating through the furnace wall 20 is protected in a sealing mode with the furnace wall 20, the third gear 9, the fourth gear 10, the fifth gear 11 and the sixth gear 12 are all located in the furnace wall 20, and air outside the furnace cannot enter the furnace through the sealing position.
The lens gland 14, the connecting gland bolt 18 and the lens seal 16 are arranged to facilitate the connection and fixation of the lens 15; the outer side of the furnace wall 20 is conveniently connected with one end of the arranged fan supporting cylinder 17, the lens 15 can be detached by detaching the gland bolt 18 and the lens gland 14 when the furnace is shut down, and then the lens 15 is cleaned; the fan support cylinder 17 is mounted on the furnace wall 20 and is sealed well with refractory casting material to secure the device.
The motor 13 should be operated before the furnace is ignited so that the observation lens 15 cannot be approached under the protection of the ring cyclone after the generation of contaminants such as foreign substances in the furnace. The rotation of the motor 13 can be stopped only when the furnace is stopped for maintenance, and the lens 15 can be detached for cleaning and maintenance.
As shown in fig. 3, the motor output shaft 19 is connected with the furnace wall 20 in a sealing way through a wear-resistant sealing bearing, and a third gear 9, a fourth gear 10, a fifth gear 11 and a sixth gear 12 in the gear set are connected with each other through shafts and arranged in a closed cavity of the furnace wall 20; one side of the furnace wall 20 is provided with a fan supporting cylinder 17, and the positions of the side wall of the fan supporting cylinder 17 where the first gear 7 and the second gear 8 are installed are provided with heat-resistant and wear-resistant rubber seals 21 for sealing the fan supporting cylinder 17 and supporting the rotation of the first gear 7 and the second gear 8.
The annular cyclones generated by the rotation of the first cylindrical fan 1 and the second cylindrical fan 2 form cyclones in the fan supporting cylinder 17, so that air is not blown into the furnace, and the influence on the flow of air for heating the steel coil in the furnace is small. The cyclone flow velocity formed by the first cylindrical fan 1 is larger than that formed by the second cylindrical fan 2, and under the action of the pressure difference of the two annular cyclones, pollutants such as impurities generated in the furnace can not be close to or fall on the inner surface of the furnace of the observation lens 15, so that the aim of keeping the lens 15 clean is fulfilled.
Therefore, the device has simple structure, and can prolong the maintenance period of cleaning the lens 15; the observation effect on the condition in the furnace is good, so that production operators can operate the furnace more conveniently; meanwhile, high-temperature camera equipment in the furnace with high price does not need to be replaced, the labor intensity of equipment maintenance personnel is greatly reduced, and the working efficiency and the working quality are improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, which is defined in the appended claims.
Claims (4)
1. The utility model provides a closed zinc-plating heating furnace observation window, includes lens (15), fan support section of thick bamboo (17), first cylindric fan (1) and second cylindric fan (2), its characterized in that: one end of the fan supporting cylinder (17) is provided with a lens (15), the lens (15) is connected with the fan supporting cylinder (17) in a sealing way, the other end of the fan supporting cylinder (17) is arranged on the furnace wall (20) and communicated with the inside of the hearth, a refractory material is cast between the fan supporting cylinder (17) and the furnace wall (20) for sealing, and a first cylindrical fan (1) and a second cylindrical fan (2) are arranged in the fan supporting cylinder (17); a certain movable gap is reserved between the first cylindrical fan (1), the second cylindrical fan (2) and the fan supporting cylinder (17), and two ends of the first cylindrical fan (1) are connected with the fan supporting cylinder (17) through a first self-lubricating graphite bearing (3) and a second self-lubricating graphite bearing (4) respectively; two ends of the second cylindrical fan (2) are connected with the fan supporting cylinder (17) through a third self-lubricating graphite bearing (5) and a fourth self-lubricating graphite bearing (6) respectively; a lens (15) is arranged at one end of the second cylindrical fan (2), and a first cylindrical fan (1) is arranged at the other end of the second cylindrical fan (2); the first cylindrical fan (1) and the second cylindrical fan (2) are driven to rotate, and the rotating speed of the first cylindrical fan (1) is greater than that of the second cylindrical fan (2).
2. The observation window of the enclosed type galvanization heating furnace according to claim 1, characterized in that: the first cylindrical fan (1) and the second cylindrical fan (2) are driven by a motor (13) through a gear set.
3. The observation window of the enclosed type galvanization heating furnace according to claim 2, characterized in that: the gear set comprises a first gear (7), a second gear (8), a third gear (9), a fourth gear (10), a fifth gear (11) and a sixth gear (12); a fifth gear (11) and a sixth gear (12) are both arranged on an output shaft of the motor (13), the fifth gear (11) is meshed with the third gear (9), the third gear (9) is meshed with the first gear (7), and the first gear (7) is arranged on the first cylindrical fan (1) and is coaxial with the first cylindrical fan (1); the sixth gear (12) is meshed with the fourth gear (10), the fourth gear (10) is meshed with the second gear (8), and the second gear (8) is installed on the second cylindrical fan (2); the third gear (9), the fourth gear (10) and the fan supporting cylinder (17) are arranged in a sealing mode, the motor (13) drives the first cylindrical fan (1) and the second cylindrical fan (2) to rotate through the gear transmission, the diameter of the fifth gear (11) is larger than that of the third gear (9), the diameter of the sixth gear (12) is smaller than that of the fourth gear (10), and therefore the rotating speed of the first cylindrical fan (1) is larger than that of the second cylindrical fan (2).
4. The observation window of the enclosed type galvanization heating furnace according to claim 1, characterized in that: the novel fan lens is characterized in that the lens (15) and the fan supporting cylinder (17) are sealed through a lens pressing cover (14) and a lens seal (16), the lens seal (16) is arranged between the lens (15) and the fan supporting cylinder (17), and the lens (15) and the fan supporting cylinder (17) are fixedly connected through the lens pressing cover (14) and a pressing cover bolt (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359881.7A CN115404428B (en) | 2022-11-02 | 2022-11-02 | Observation window of closed type galvanizing heating furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211359881.7A CN115404428B (en) | 2022-11-02 | 2022-11-02 | Observation window of closed type galvanizing heating furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115404428A true CN115404428A (en) | 2022-11-29 |
| CN115404428B CN115404428B (en) | 2023-01-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211359881.7A Active CN115404428B (en) | 2022-11-02 | 2022-11-02 | Observation window of closed type galvanizing heating furnace |
Country Status (1)
| Country | Link |
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| CN (1) | CN115404428B (en) |
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2022
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| CN107560447A (en) * | 2017-09-14 | 2018-01-09 | 宁波鑫利成真空科技有限公司 | A kind of shutter vacuum drying oven observation window |
| CN207958550U (en) * | 2018-01-20 | 2018-10-12 | 河北胤丞光电科技有限公司 | A kind of observation window of single crystal furnace cleaning device |
| CN208008950U (en) * | 2018-01-22 | 2018-10-26 | 苏州晶特晶体科技有限公司 | A kind of removable air-cooled observation assembly |
| CN208544419U (en) * | 2018-03-12 | 2019-02-26 | 南京航空航天大学 | Cross flow fan swing device |
| CN110886722A (en) * | 2019-12-13 | 2020-03-17 | 青岛海尔空调器有限总公司 | Cross flow fan capable of achieving partitioned air supply and air conditioner |
| CN213624364U (en) * | 2020-09-04 | 2021-07-06 | 成都齐荣科技有限公司 | High-sealing observation window for vacuum coating machine |
| CN113145285A (en) * | 2021-04-27 | 2021-07-23 | 重庆披荆斩棘科技有限公司 | Anti-liquefaction device for crushing raw materials and using method thereof |
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| CN115404428B (en) | 2023-01-17 |
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