Impeller adjusting structure of high-temperature circulating fan

Abstract

The invention relates to the technical field of indoor drying, and particularly discloses an impeller adjusting structure of a high-temperature circulating fan, which comprises a first bottom plate, one side of the first bottom plate is fixedly connected with a second bottom plate, the top of the second bottom plate is fixedly connected with a shell, and the top of the shell is fixedly connected with an air extractor. A motor is fixedly connected to the top of the first bottom plate, the motor penetrates through the shell through a driving shaft and is fixedly connected with an adjustable device, a fixed limiting block is fixedly connected to one side of the shell, a waste box is slidably connected to the inner wall of the fixed limiting block, and the air exhaust device can filter air. The air exhaust device can exhaust air to remove impurities, dust and other substances in the air, meanwhile, the air exhaust device can conduct dehumidification treatment on the air to ensure the drying degree of the exhausted air, and preliminary heating is conducted. According to the impeller adjusting structure of the high-temperature circulating fan, the purposes of dehumidifying air, purifying sucked air and preliminarily heating the air are achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of indoor drying, in particular to a high-temperature circulating fan impeller adjusting structure. BACKGROUND

[0002] Due to the shape of the products in the furnace and the structure of the furnace, when the high-temperature hot gas enters the furnace, the surface layer of the stack in the furnace directly contacts the entering high-temperature hot gas, and the inner layer does not contact or slowly contacts the entering high-temperature hot gas, resulting in overburning due to the high temperature and underburning due to the low temperature, which leads to uneven heating of the products in the furnace and quality control of the finished products. Therefore, a high-temperature heat circulating fan is needed to be set to forcibly circulate the hot gas in the furnace, so as to enhance the heat exchange rate of each part of the furnace and promote the uniform distribution of the temperature of each part of the furnace, so that the products in the furnace are uniformly heated.

[0003] The current high-temperature circulating fan impeller adjusting structure has the problems of insufficient drying of high-temperature gas and excessive energy consumption in the heating process. SUMMARY

[0004] To solve the above problems, the present application realizes the following technical scheme: a high-temperature circulating fan impeller adjusting structure, comprising a first bottom plate, a second bottom plate fixedly connected to one side of the first bottom plate, an outer shell fixedly connected to the top of the second bottom plate, a gas extraction device fixedly connected to the top of the outer shell, a motor fixedly connected to the top of the first bottom plate, an adjustable device fixedly connected to the motor through a drive shaft penetrating the outer shell, a fixed limiting block fixedly connected to one side of the outer shell, and a waste box slidingly connected to the inner wall of the fixed limiting block.

[0005] The adjustable device comprises a first automatic telescopic rod and a cylindrical shell, a fixed disc fixedly connected to one end of the first automatic telescopic rod, a device fixing rod fixedly connected to the side surface of the cylindrical shell, a fixing rod fixedly connected to the part of the fixed disc located in the cylindrical shell, a sliding ring sleeved on the side surface of the fixing rod, a fan blade fixing rod fixedly connected to one side of the sliding ring, a fan blade fixedly connected to the end of the fan blade fixing rod away from the sliding ring, a second automatic telescopic rod fixedly connected to the side of the sliding ring away from the fan blade fixing rod, and the end of the second automatic telescopic rod away from the sliding ring fixedly connected to the fixed disc. The sliding ring drives the fan blade fixing rod and the fan blade to move, thereby adjusting the position relationship of the fan blade, and realizing the adjustment of the wind power and wind pressure. At the same time, the first automatic telescopic rod can also be telescoped according to the needs, further adjusting the position and angle of the fan blade, so as to achieve more accurate wind power adjustment effect. This adjustment method is not only flexible and various, but also can greatly improve the adaptability and use efficiency of the fan.

[0006] Preferably, the first telescopic rod is fixedly connected with the driving shaft of the motor at the end away from the fixed disc, and the device fixing rod is fixedly connected with the shell at the end away from the cylindrical shell.

[0007] Preferably, the air extraction device comprises an air inlet pipe, one end of the air inlet pipe is communicated with the air inlet end of the air extractor, the air outlet end of the air extractor is communicated with an air outlet pipe, the air outlet pipe penetrates and is fixedly connected with the replacement device, the inner wall of the end of the air outlet pipe away from the air extractor is fixedly connected with a fixed block, the side of the fixed block away from the inner wall of the air outlet pipe is fixedly connected with a heating cylinder, the inner wall of the heating cylinder is fixedly connected with a heating wire, and the design of the heating cylinder and the heating wire ensures the stable operation of the fan in a high-temperature environment and prolongs the service life of the equipment.

[0008] Preferably, the bottom of the air extractor is fixedly connected with the shell, and the end of the air outlet pipe away from the air extractor penetrates the shell and is fixedly connected with the shell.

[0009] Preferably, the replacement device comprises a replacement shell and a second motor, the top of the side of the replacement shell is provided with a drying hole, the bottom of the side of the replacement shell is communicated with a waste pipe, the inner wall of one side of the replacement shell away from the waste pipe is fixedly connected with a spring, the end of the spring away from the inner wall of the replacement shell is fixedly connected with a push plate, the side of the push plate is rotatably connected with the inner wall of the replacement shell through a rotating pin, the bottom of the side of the replacement shell close to the spring is communicated with a feeding pipe, the end of the feeding pipe away from the replacement shell is slidably connected with a cover, the inner wall of the replacement shell is provided with a sliding groove, the inner wall of the sliding groove is slidably connected with a conveyor belt, one side of the conveyor belt is fixedly connected with a limiting plate, the side of the limiting plate is provided with a push plate hole, the limiting plate is provided with a plurality of groups, and drying agents are arranged between adjacent limiting plates, the bottom of the side of the limiting plate is fixedly connected with a sliding block, the side of the replacement shell is provided with an engagement hole, and the driving shaft of the second motor is fixedly connected with a gear, and the design of the waste pipe enables the replaced waste drying agent to smoothly fall into the waste box, avoids the residue of the waste drying agent in the equipment, and ensures the cleanliness and operation efficiency of the equipment.

[0010] Preferably, the replacement shell penetrates and is fixedly connected with the air outlet pipe, and the bottom of the replacement shell is fixedly connected with the shell.

[0011] Preferably, the bottom of the second motor is fixedly connected with the shell, and the bottom of the waste pipe is fixedly connected with the shell.

[0012] Preferably, the air inlet pipeline comprises a first pipe body, a support is fixedly connected to the side of the first pipe body, a second pipe body is communicated with one end of the first pipe body, an air inlet fixed block is fixedly connected to the inner wall of the first pipe body, an air inlet limiting block is fixedly connected to the side, away from the inner wall of the first pipe body, of the air inlet fixed block, a filter screen fixed block is fixedly connected to the part of the inner wall of the first pipe body on the side of the fixed block, and a filter screen is fixedly connected to the side, away from the first pipe body, of the filter screen fixed block.

[0013] Preferably, the second pipe body is communicated with the air inlet end of the air extractor at the end, away from the first pipe body, of the second pipe body, and the bottom of the support is fixedly connected to the shell.

[0014] The application provides a high-temperature circulating fan impeller adjusting structure.

[0015] 1. The high-temperature circulating fan impeller adjusting structure is provided with an adjustable device, in use, the adjustable device is driven to rotate by a motor, wind power is generated through rotation of a fan blade, the second automatic telescopic rod is telescoped as required to drive the fan blade to move, thereby adjusting the front and back position relationship of the fan blade to realize adjustment of wind power and wind pressure. Meanwhile, the first automatic telescopic rod is also telescoped as required to further adjust the position and angle of the fan blade to achieve more accurate wind power adjustment effect. This adjustment mode is not only flexible and various, but also can greatly improve the adaptability and use efficiency of the fan. In summary, the high-temperature circulating fan impeller adjusting structure has the advantages of compact structure, flexible adjustment, strong adaptability, stable operation and the like. It can not only meet the wind power adjustment demand under various complex working conditions, but also effectively prolong the service life of the fan and reduce the maintenance cost. Therefore, the structure has a wide application prospect in industrial production.

[0016] 2. The high-temperature circulating fan impeller adjusting structure is provided with a preheating device, air enters a heating cylinder, and heating wires heat the air to meet the use demand of the high-temperature circulating fan. This design not only improves the functionality and practicability of the fan, but also enables the user to flexibly adjust the pretreatment mode according to actual conditions through the setting of a replacement device, greatly improving the adaptability and flexibility of the equipment. Meanwhile, the design of the heating cylinder and the heating wires also ensures stable operation of the fan in a high-temperature environment and prolongs the service life of the equipment.

[0017] 3. The high-temperature circulating fan impeller adjusting structure is provided with a replacement device, when it is necessary to replace the desiccant, the conveyor belt moves, at this time, the spring pushes the push plate to rotate around the rotating pin, the push plate pushes the desiccant to move, the desiccant falls into the waste box, and the replacement of the desiccant is completed. At the same time, new desiccant can be added through the feeding pipe, after being added, the conveyor belt moves to push the new desiccant to the working position. This design not only simplifies the replacement process of the desiccant and improves the work efficiency, but also realizes the automatic pushing out and pulling in of the desiccant through the cooperation of the conveyor belt and the spring, greatly improving the automation degree of the equipment. At the same time, the setting of the waste box also enables the waste desiccant to be collected and concentrated, which is convenient for subsequent treatment, and embodies the environmental protection of the equipment. In the use process, the desiccant contacts with the passing air through the drying hole and absorbs the moisture or other impurities in the air to achieve the purpose of pretreating the air. As the desiccant gradually saturates, its moisture absorption capacity gradually decreases, at this time, the replacement process described above can quickly replace the saturated desiccant to ensure the continuous stability of the pretreatment effect. In addition, the design of the waste pipe enables the replaced waste desiccant to smoothly fall into the waste box, avoiding the residue of the waste desiccant in the equipment, ensuring the cleanliness and running efficiency of the equipment, and it is worth mentioning that the replacement device is not only suitable for replacing the desiccant, but also can be replaced by other types of filtering materials such as activated carbon and molecular sieve according to the needs, to meet the air pretreatment needs under different working conditions. This design greatly improves the flexibility and adaptability of the equipment, so that the high-temperature circulating fan can be applied in a wider field. In summary, the high-temperature circulating fan of the application not only has the advantages of compact structure, flexible adjustment, strong adaptability, stable operation and the like, but also greatly improves the functionality and practicality of the equipment through the design of the air extraction device and the replacement device. The equipment not only can meet the air flow adjustment and air pretreatment needs under various complex working conditions, but also can effectively prolong the service life of the fan and reduce the maintenance cost. Therefore, the equipment has a wide application prospect in industrial production, and will bring significant improvement to the production efficiency and economic benefits of enterprises.

[0018] 4. The high-temperature circulating fan impeller adjusting structure is provided with a filtering device. The design of the air inlet pipeline not only ensures smooth air circulation, but also improves the air pretreatment effect through the setting of the filter screen, providing a strong guarantee for subsequent air heating and circulation. At the same time, the detachable design of the filter screen also facilitates users to clean or replace it according to actual conditions, ensuring the continuous and stable operation of the equipment. In addition, the material of the air inlet pipeline is also carefully selected, using corrosion-resistant and high-temperature-resistant materials to ensure that it can maintain good working condition in harsh environments such as high temperature and humidity. The connection part of the first pipe body and the support also adopts a reinforced design, enhancing the stability and load-bearing capacity of the pipeline, preventing deformation or damage due to long-term use or external forces. It is worth mentioning that the air inlet pipeline 51 can also be customized according to actual conditions, such as adjusting the length, diameter, and other parameters of the pipeline, to meet the installation requirements of different equipment and the requirements of air flow. This flexible design makes the air inlet pipeline widely applicable to various industrial production and laboratory environments, providing strong support for the normal operation of the equipment. In general, as an important part of the high-temperature circulating fan, the air inlet pipeline is reasonably designed and powerful, not only ensuring smooth air circulation and pretreatment effect, but also improving the durability and adaptability of the equipment through the optimization of material and structure. This design idea and technical level fully demonstrate the high precision and intelligent characteristics of modern industrial manufacturing, and bring more convenience and benefits to users' production and experimental work. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure diagram of the high-temperature circulating fan impeller adjusting structure of the application.

[0020] Figure 2 It is an internal structure diagram of the high-temperature circulating fan impeller adjusting structure of the application.

[0021] Figure 3 It is a structure diagram of the adjustable device of the application.

[0022] Figure 4 It is an internal structure diagram of the adjustable device of the application.

[0023] Figure 5 It is a structure diagram of the air outlet device of the application.

[0024] Figure 6 It is a structure diagram of the replacement device of the application.

[0025] Figure 7 It is an internal structure diagram of the replacement device of the application.

[0026] Figure 8 It is a side structure diagram of the replacement device of the application.

[0027] Figure 9 The figure is a schematic diagram of the intake pipeline structure of the application.

[0028] In the figure: 1, first bottom plate; 2, motor; 3, second bottom plate; 4, shell; 5, air extraction device; 51, intake pipeline; 511, first pipe body; 512, second pipe body; 513, intake fixing block; 514, intake limiting block; 515, filter screen fixing block; 516, filter screen; 517, bracket; 52, air extractor; 53, air outlet pipeline; 54, replacement device; 541, replacement shell; 542, drying hole; 543, conveying belt; 544, limiting plate; 545, spring; 546, push plate; 547, sliding block; 548, push plate hole; 549, desiccant; 5412, waste pipeline; 5413, feeding pipeline; 5414, cover; 5415, chute; 5416, meshing hole; 5417, gear; 5419, second motor; 55, fixing block; 56, heating cylinder; 57, heating wire; 6, adjustable device; 61, first automatic telescopic rod; 62, fixed disc; 63, columnar shell; 64, second automatic telescopic rod; 65, fixed rod; 66, sliding ring; 67, fan blade fixing rod; 68, fan blade; 69, device fixing rod; 7, fixing limiting block; 8, waste box. DETAILED DESCRIPTION

[0029] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the application.

[0030] Please refer to Figures 1-4 The application provides a technical solution: a high-temperature circulating fan impeller adjusting structure, comprising a first bottom plate 1, one side of the first bottom plate 1 being fixedly connected with a second bottom plate 3, the top of the second bottom plate 3 being fixedly connected with a shell 4, the top of the shell 4 being fixedly connected with an air extraction device 5, the top of the first bottom plate 1 being fixedly connected with a motor 2, the motor 2 penetrating through the shell 4 through a driving shaft and being fixedly connected with an adjustable device 6, one side of the shell 4 being fixedly connected with a fixing limiting block 7, the inner wall of the fixing limiting block 7 being slidably connected with a waste box 8.

[0031] The adjustable device 6 includes a first telescopic rod 61 and a cylindrical shell 63, one end of the first telescopic rod 61 is fixedly connected with a fixed disc 62, the side of the cylindrical shell 63 is fixedly connected with a device fixing rod 69, the part of the fixed disc 62 located in the cylindrical shell 63 is fixedly connected with a fixed rod 65, the side of the fixed rod 65 is sleeved with a sliding ring 66, one side of the sliding ring 66 is fixedly connected with a fan blade fixing rod 67, one end of the fan blade fixing rod 67 away from the sliding ring 66 is fixedly connected with a fan blade 68, one side of the sliding ring 66 away from the fan blade fixing rod 67 is fixedly connected with a second telescopic rod 64, one end of the second telescopic rod 64 away from the sliding ring 66 is fixedly connected with the fixed disc 62, one end of the first telescopic rod 61 away from the fixed disc 62 is fixedly connected with the driving shaft of the motor 2, and one end of the device fixing rod 69 away from the cylindrical shell 63 is fixedly connected with the shell 4.

[0032] In use, the adjustable device 6 is driven to rotate by the motor 2, the driving shaft of the motor 2 drives the first telescopic rod 61 to rotate, the first telescopic rod 61 drives the fixed disc 62 to rotate, the fixed disc 62 drives the second telescopic rod 64 and the fixed rod 65 to rotate, the second telescopic rod 64 drives the sliding ring 66 to rotate, the sliding ring 66 drives the fan blade fixing rod 67 and the fan blade 68 to rotate, and the wind power is generated by the rotation of the fan blade 68, while the fan blade 68 rotates, the second telescopic rod 64 can be telescoped as needed, so as to drive the sliding ring 66 to slide on the fixed rod 65, the sliding ring 66 drives the fan blade fixing rod 67 and the fan blade 68 to move, thereby adjusting the front and back position relationship of the fan blade 68, and the wind power is adjusted. At the same time, the first telescopic rod 61 can also be telescoped as needed, further adjusting the position and angle of the fan blade 68, so as to achieve more accurate wind power adjustment effect. This adjustment mode is not only flexible and various, but also can greatly improve the adaptability and use efficiency of the fan, and the impeller adjusting structure of the high-temperature circulating fan has the advantages of compact structure, flexible adjustment, strong adaptability, stable operation and the like. It not only can meet the wind power adjustment demand under various complex working conditions, but also can effectively prolong the service life of the fan and reduce the maintenance cost. Therefore, the structure has wide application prospect in industrial production.

[0033] Please refer to Figures 1-5The application provides a technical scheme: the air exhaust device 5 comprises an air inlet pipeline 51, one end of the air inlet pipeline 51 is communicated with an air inlet end of an air extractor 52, an air outlet end of the air extractor 52 is communicated with an air outlet pipeline 53, the air outlet pipeline 53 penetrates and is fixedly connected with a replacement device 54, a fixed block 55 is fixedly connected to an inner wall of one end of the air outlet pipeline 53 away from the air extractor 52, the fixed block 55 is fixedly connected to one side of the inner wall of the air outlet pipeline 53 away from the air extractor 52, a heating cylinder 56 is fixedly connected to the fixed block 55, heating wires 57 are fixedly connected to an inner wall of the heating cylinder 56, the bottom of the air extractor 52 is fixedly connected with an outer shell 4, and one end of the air outlet pipeline 53 away from the air extractor 52 penetrates the outer shell 4 and is fixedly connected with the outer shell 4.

[0034] In use, external air is sucked in through the air inlet pipeline 51 by the working of the air extractor 52, is compressed through the air extractor 52 and is discharged through the air outlet pipeline 53. In the discharging process, the air first passes through the replacement device 54, and the internal drying agent or other filtering material can be replaced according to needs, so that the air is pretreated. Subsequently, the air enters the heating cylinder 56, and the heating wires 57 heat the air to meet the use requirements of the high-temperature circulating fan. This design not only improves the functionality and practicability of the fan, but also, through the arrangement of the replacement device 54, enables the user to flexibly adjust the pretreatment mode according to actual conditions, greatly improves the adaptability and flexibility of the equipment. At the same time, the design of the heating cylinder 56 and the heating wires 57 also ensures the stable operation of the fan in a high-temperature environment, prolongs the service life of the equipment.

[0035] Please refer to Figures 1-8The application provides a technical scheme, the replacement device 54 includes a replacement shell 541 and a second motor 5419, a drying hole 542 is formed in the top of the side of the replacement shell 541, the bottom of the side of the replacement shell 541 is communicated with a waste pipeline 5412, a spring 545 is fixedly connected to the inner wall of the replacement shell 541 on the side away from the waste pipeline 5412, the one end of the spring 545 away from the inner wall of the replacement shell 541 is fixedly connected with a push plate 546, the push plate 546 is rotatably connected with the inner wall of the replacement shell 541 on one side through a rotating pin, the bottom of the side, close to the spring 545, of the replacement shell 541 is communicated with a feeding pipeline 5413, the one end, away from the replacement shell 541, of the feeding pipeline 5413 is slidably connected with a cover 5414, a sliding groove 5415 is formed in the inner wall of the replacement shell 541, a conveying belt 543 is slidably connected with the inner wall of the sliding groove 5415, a limiting plate 544 is fixedly connected with the conveying belt 543 on one side, a push plate hole 548 is formed in the side of the limiting plate 544, a plurality of groups of limiting plates 544 are arranged, drying agents 549 are arranged between adjacent limiting plates 544, a sliding block 547 is fixedly connected with the bottom of the side of the limiting plate 544, an engagement hole 5416 is formed in the side of the replacement shell 541, a gear 5417 is fixedly connected with the driving shaft of the second motor 5419, the replacement shell 541 penetrates through and is fixedly connected with the air outlet pipeline 53, the bottom of the replacement shell 541 is fixedly connected with the shell 4, the bottom of the second motor 5419 is fixedly connected with the shell 4, and the bottom of the waste pipeline 5412 is fixedly connected with the shell 4.

[0036] In use, the second motor 5419 drives the gear 5417 through the meshing hole 5416 to drive the limiting plate 544 to move, thereby driving the conveying belt 543 to slide. When it is necessary to replace the desiccant 549, the conveying belt 543 drives the limiting plate 544 to move away from the waste pipeline 5412. At this time, the spring 545 pushes the push plate 546 to rotate around the rotating pin, and the push plate 546 pushes the desiccant 549 to move towards the waste pipeline 5412. The desiccant 549 falls into the waste box 8 through the waste pipeline 5412, and the replacement of the desiccant is completed. At the same time, new desiccant 549 can be added through the feeding pipeline 5413. After being added, the cover 5414 slides to close the feeding pipeline 5413 to prevent air leakage. The conveying belt 543 drives the limiting plate 544 to move again, and the new desiccant 549 is pushed to the working position. This design not only simplifies the replacement process of the desiccant and improves the work efficiency, but also realizes the automatic pushing out and pulling in of the desiccant through the cooperation of the conveying belt 543 and the spring 545, greatly improving the automation degree of the equipment. At the same time, the setting of the waste box 8 and the fixed limiting block 7 also enables the waste desiccant to be collected and concentrated, which is convenient for subsequent treatment and reflects the environmental protection of the equipment. In the use process, the desiccant 549 contacts with the passing air through the drying hole 542 to absorb the moisture or other impurities in the air, so as to achieve the purpose of pre-treating the air. As the desiccant 549 is gradually saturated, its moisture absorption capacity gradually decreases. At this time, the saturated desiccant 549 can be quickly replaced through the above-mentioned replacement process, so as to ensure the continuous stability of the pre-treatment effect. In addition, the design of the waste pipeline 5412 enables the replaced waste desiccant to smoothly fall into the waste box 8, avoiding the residue of the waste desiccant in the equipment, ensuring the cleanliness and operation efficiency of the equipment. It is worth mentioning that the replacement device 54 is not only suitable for replacing the desiccant, but also can be replaced by other types of filtering materials such as activated carbon and molecular sieve according to the needs, so as to meet the air pre-treatment needs under different working conditions. This design greatly improves the flexibility and adaptability of the equipment, so that the high-temperature circulating fan can be applied in a wider field. In summary, the high-temperature circulating fan of the application not only has the advantages of compact structure, flexible adjustment, strong adaptability, stable operation and the like, but also greatly improves the functionality and practicality of the equipment through the design of the air extraction device 5 and the replacement device 54. The equipment not only can meet the air pre-treatment needs under various complex working conditions, but also can effectively prolong the service life of the fan and reduce the maintenance cost. Therefore, the equipment has a wide application prospect in industrial production, and can significantly improve the production efficiency and economic benefits of enterprises.

[0037] Please refer to Figures 1-9The application provides a technical scheme that the air inlet pipeline 51 comprises a first pipe body 511, a support 517 is fixedly connected to the side of the first pipe body 511, a second pipe body 512 is communicated with one end of the first pipe body 511, an air inlet fixing block 513 is fixedly connected to the inner wall of the first pipe body 511, an air inlet limiting block 514 is fixedly connected to the side, away from the inner wall of the first pipe body 511, of the air inlet fixing block 513, a filter screen fixing block 515 is fixedly connected to the part of the inner wall of the first pipe body 511 on the side of the air inlet fixing block 513, a filter screen 516 is fixedly connected to the side, away from the first pipe body 511, of the filter screen fixing block 515, the end, away from the first pipe body 511, of the second pipe body 512 is communicated with the air inlet end of the air extractor 52, and the bottom of the support 517 is fixedly connected with the shell 4.

[0038] In use, air first enters the device through the air inlet pipe 51. The first pipe body 511 serves as the main channel for air flow, and the side supports 517 ensure the stable installation of the pipe. When air flows through the first pipe body 511, it first encounters the air inlet fixing block 513 and the air inlet limiting block 514. The design of these two blocks helps to guide the direction of airflow and prevent turbulence in the pipe, affecting the pretreatment effect. Subsequently, the air passes through the filter screen 516 on the filter screen fixing block 515. The filter screen 516 can effectively block large particles of impurities such as dust and hair in the air, further purifying the air. After being pretreated by the filter screen 516, the air enters the second pipe body 512 and is finally connected to the air extractor 52. After the air extractor 52 is started, negative pressure is generated to suck air into the device for subsequent drying or other pretreatment processes. The design of the air inlet pipe 51 not only ensures smooth air flow, but also improves the pretreatment effect of the air through the filter screen 516, providing a strong guarantee for subsequent air heating and circulation. At the same time, the detachable design of the filter screen 516 also facilitates users to clean or replace it according to actual conditions, ensuring the sustained and stable operation of the device. In addition, the material of the air inlet pipe 51 is also carefully selected, using corrosion-resistant and high-temperature-resistant materials to ensure that it can maintain good working condition in harsh environments such as high temperature and humidity. The connection part of the first pipe body 511 and the support 517 also adopts a reinforced design to enhance the stability and load-bearing capacity of the pipe, preventing deformation or damage due to long-term use or external forces. It is worth mentioning that the air inlet pipe 51 can also be customized according to actual conditions, such as adjusting the length, diameter and other parameters of the pipe, to meet the installation requirements and air flow requirements of different devices. This flexible design makes the air inlet pipe 51 widely applicable to various industrial production and laboratory environments, providing strong support for the normal operation of the device. In general, the air inlet pipe 51, as an important part of the high-temperature circulating fan, is designed reasonably and has powerful functions, ensuring smooth air flow and pretreatment effect, and improving the durability and adaptability of the device through material and structure optimization. This design idea and technical level fully demonstrate the high precision and intelligent features of modern industrial manufacturing, and bring more convenience and benefits to users' production and experimental work.

[0039] Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art and related fields without creative labor shall belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special description and limitation, are implemented according to the conventional means in the art.

Claims

1. An impeller adjustment structure for a high-temperature circulating fan, characterized in that: Includes a first base plate (1), a second base plate (3) fixedly connected to one side of the first base plate (1), a shell (4) fixedly connected to the top of the second base plate (3), an air extraction device (5) fixedly connected to the top of the shell (4), a motor (2) fixedly connected to the top of the first base plate (1), the motor (2) passing through the shell (4) via a drive shaft and fixedly connected to an adjustable device (6), a fixed limiting block (7) fixedly connected to one side of the shell (4), and a waste bin (8) slidably connected to the inner wall of the fixed limiting block (7); The adjustable device (6) includes a first automatic telescopic rod (61) and a cylindrical shell (63). One end of the first automatic telescopic rod (61) is fixedly connected to a fixed disc (62). A device fixing rod (69) is fixedly connected to the side of the cylindrical shell (63). A fixing rod (65) is fixedly connected to the portion of the fixed disc (62) located inside the cylindrical shell (63). A sliding ring (66) is sleeved on the side of the fixing rod (65). A fan blade fixing rod (67) is fixedly connected to one side of the sliding ring (66). A fan blade (68) is fixedly connected to the end of the fan blade fixing rod (67) away from the sliding ring (66). A second automatic telescopic rod (64) is fixedly connected to the side of the sliding ring (66) away from the fan blade fixing rod (67). The end of the second automatic telescopic rod (64) away from the sliding ring (66) is fixedly connected to the fixed disc (62).

2. The impeller adjustment structure of a high-temperature circulating fan according to claim 1, characterized in that: The end of the first automatic telescopic rod (61) away from the fixed disc (62) is fixedly connected to the drive shaft of the motor (2), and the end of the device fixing rod (69) away from the columnar outer shell (63) is fixedly connected to the outer shell (4).

3. The impeller adjustment structure of a high-temperature circulating fan according to claim 2, characterized in that: The air extraction device (5) includes an air inlet pipe (51), one end of which is connected to the air inlet end of an air extractor (52), and the air outlet end of the air extractor (52) is connected to an air outlet pipe (53). The air outlet pipe (53) passes through and is fixedly connected to a replacement device (54). A fixing block (55) is fixedly connected to the inner wall of the end of the air outlet pipe (53) away from the air extractor (52). A heating cylinder (56) is fixedly connected to the side of the fixing block (55) away from the inner wall of the air outlet pipe (53). A heating wire (57) is fixedly connected to the inner wall of the heating cylinder (56).

4. The impeller adjustment structure of a high-temperature circulating fan according to claim 3, characterized in that: The bottom of the vacuum pump (52) is fixedly connected to the outer shell (4), and the end of the exhaust pipe (53) away from the vacuum pump (52) passes through the outer shell (4) and is fixedly connected to the outer shell (4).

5. The impeller adjustment structure of a high-temperature circulating fan according to claim 4, characterized in that: The replacement device (54) includes a replacement housing (541) and a second motor (5419). A drying hole (542) is provided on the top side of the replacement housing (541). A waste pipe (5412) is connected to the bottom side of the replacement housing (541). A spring (545) is fixedly connected to one side of the inner wall of the replacement housing (541) away from the waste pipe (5412). A push plate (546) is fixedly connected to one end of the spring (545) away from the inner wall of the replacement housing (541). One side of the push plate (546) is rotatably connected to the inner wall of the replacement housing (541) via a rotating pin. A feed pipe (5413) is connected to the bottom of the side of the replacement housing (541) near the spring (545). The feed pipe (5413) is located away from the inner wall of the replacement housing (541). A cover (5414) is slidably connected to one end of the replacement housing (541). A groove (5415) is provided on the inner wall of the replacement housing (541). A conveyor belt (543) is slidably connected to the inner wall of the groove (5415). A limiting plate (544) is fixedly connected to one side of the conveyor belt (543). A push plate hole (548) is provided on the side of the limiting plate (544). Multiple sets of limiting plates (544) are provided. A desiccant (549) is placed between adjacent limiting plates (544). A slider (547) is fixedly connected to the bottom side of the limiting plate (544). A meshing hole (5416) is provided on one side of the replacement housing (541). A gear (5417) is fixedly connected to the drive shaft of the second motor (5419).

6. The impeller adjustment structure of a high-temperature circulating fan according to claim 5, characterized in that: The replacement outer shell (541) passes through the air outlet pipe (53) and is fixedly connected to the air outlet pipe (53). The bottom of the replacement outer shell (541) is fixedly connected to the outer shell (4).

7. The impeller adjustment structure of a high-temperature circulating fan according to claim 6, characterized in that: The bottom of the second motor (5419) is fixedly connected to the outer casing (4), and the bottom of the waste pipe (5412) is fixedly connected to the outer casing (4).

8. The impeller adjustment structure of a high-temperature circulating fan according to claim 7, characterized in that: The air intake pipe (51) includes a first pipe body (511), a bracket (517) is fixedly connected to the side of the first pipe body (511), a second pipe body (512) is connected to one end of the first pipe body (511), an air intake fixing block (513) is fixedly connected to the inner wall of the first pipe body (511), an air intake limiting block (514) is fixedly connected to the side of the air intake fixing block (513) away from the inner wall of the first pipe body (511), a filter fixing block (515) is fixedly connected to the portion of the inner wall of the first pipe body (511) located on the side of the air intake fixing block (513), and a filter (516) is fixedly connected to the side of the filter fixing block (515) away from the first pipe body (511).

9. The impeller adjustment structure of a high-temperature circulating fan according to claim 8, characterized in that: The end of the second tube (512) away from the first tube (511) is connected to the air inlet of the air pump (52), and the bottom of the bracket (517) is fixedly connected to the outer shell (4).

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