A preheating duct assembly for a hot blast stove

CN224694742UActive Publication Date: 2026-08-28YIXING HONGYANG BUILDING MATERIALS CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202521825322.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-08-27
Publication Date
2026-08-28
Estimated Expiration
2035-08-27

AI Technical Summary

Technical Problem

[0004]本实用新型解决了市场上某些装置内部组件连接复杂,需要通过繁琐的步骤进行拆卸和清理,工作人员需要耗费较长时间来进行调整和修复,这不仅增加了停机时间,还导致了维护成本的上升,因此提供了一种热风炉用预热管道组件

Benefits of technology

[0012] This utility model, by setting a limiting mechanism, allows the operator to open the front and rear end baffles, thereby removing the housing's restriction on the limiting plate and enabling the limiting plate to be removed from the housing. The cylinder also slides out along with the limiting plate. The cylinder ensures the stability of the limiting plate during installation with the housing. The cooperative design of the protruding block and the cylinder effectively prevents the threaded ring from loosening during device operation, ensuring that the inner tube remains stable in its position and avoiding malfunctions or performance instability caused by loosening.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224694742U_ABST
    Figure CN224694742U_ABST
Patent Text Reader

Abstract

The utility model relates to hot -blast stove technical field discloses a kind of preheating pipeline components for hot -blast stove, including main body mechanism, limiting mechanism and auxiliary mechanism, the limiting mechanism is located in the side of main body mechanism, the auxiliary mechanism is located in the other side of main body mechanism, main body mechanism includes shell, the inside of shell is equipped with heating pipe, the front end of shell is fixedly connected with control module, the side of shell is equipped with round groove, the side of shell inside is threadedly connected with screw ring, the utility model is by being designed limiting mechanism, staff opens the baffle of front and rear end, so that limiting plate can be taken out from shell, cylinder also slides out along with limiting plate, cylinder guarantees the stability of limiting plate and shell installation time, the cooperation design of protruding block and cylinder can effectively prevent the loosening of screw ring when device operates, ensure that inner tube is always stable in its position, avoid the failure or unstable performance caused by loosening.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model relates to the field of hot blast stove technology, and in particular to a preheating pipe assembly for a hot blast stove. Background Technology

[0002] With the development of industrial automation, energy efficiency optimization, and equipment intelligence, the design of such hot air furnace preheating pipe components has become particularly important. As more and more industrial applications require heating systems to operate efficiently while also being easy to maintain and convenient to operate, especially with the increasing demands for environmental protection and energy conservation, the design of such devices helps to improve the performance and stability of thermal energy equipment.

[0003] Currently, there are various types of preheating pipe assemblies for hot air furnaces on the market. However, the internal components of these devices are complexly connected, requiring tedious disassembly and cleaning. This necessitates a considerable amount of time for staff to adjust and repair, which not only increases downtime but also leads to higher maintenance costs. Utility Model Content

[0004] This invention addresses the problem that some devices on the market have complex internal component connections, requiring cumbersome disassembly and cleaning procedures, and necessitate a significant amount of time for adjustment and repair by staff. This not only increases downtime but also raises maintenance costs. Therefore, this invention provides a preheating pipe assembly for a hot air furnace.

[0005] This utility model is achieved using the following technical solution: a preheating pipe assembly for a hot air furnace, comprising a main body, a limiting mechanism, and an auxiliary mechanism. The limiting mechanism is located on one side of the main body, and the auxiliary mechanism is located on the other side of the main body. The main body includes a housing, inside which a heating tube is installed. A control module is fixedly connected to the front end of the housing. A circular groove is formed on one side of the housing. A threaded ring is threadedly connected to one side of the inside of the housing. An inner tube is fixedly connected to the inner side of the threaded ring. Both the threaded ring and the circular groove are located on the side close to the limiting mechanism, and the inner tube is located inside the housing.

[0006] Through the above technical solution, the control module consists of a control switch and a power supply module. By adjusting the control switch, the operator can turn the heating tube circuit on or off. When the threaded ring is rotated, the inner tube will also rotate along with the threaded ring.

[0007] As a further improvement to the above solution, the limiting mechanism includes a fixed ring fixedly connected to the outside of the threaded ring, a groove being formed on the outside of the fixed ring, a limiting plate being slidably connected to the outside of the groove, baffles being rotatably connected to one side of the front and rear ends of the housing, the baffles being engaged with the front and rear ends of the limiting plate, a protruding block matching the groove being fixedly connected to the inside of the limiting plate, and a cylinder matching the circular groove being fixedly connected to the inside of the limiting plate. The fixed ring is located inside the housing, and the limiting plate is slidably connected to one side of the housing.

[0008] Using the above technical solution, the worker rotates the fixing ring to drive the threaded ring to rotate, which in turn drives the inner tube to rotate. Finally, by continuously rotating the fixing ring, the inner tube is removed. When the limiting plate is removed, the cylinder and the protruding block also slide out along with the limiting plate.

[0009] As a further improvement to the above solution, the auxiliary mechanism includes a groove formed on one side of the inner tube, a support plate snapped onto one side of the housing, a ventilation plate fixedly connected inside the support plate, and a protruding plate fixedly connected inside the support plate. The groove is located on the side away from the threaded ring, and the protruding plate is located inside the ventilation plate.

[0010] Through the above technical solution, the ventilation plate is used to smoothly transport the gas inside the inner tube out, and the protruding plate can limit one side of the inner tube to ensure the stability of the inner tube during the operation of the device.

[0011] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0012] This utility model, by setting a limiting mechanism, allows the operator to open the front and rear end baffles, thereby removing the housing's restriction on the limiting plate and enabling the limiting plate to be removed from the housing. The cylinder also slides out along with the limiting plate. The cylinder ensures the stability of the limiting plate during installation with the housing. The cooperative design of the protruding block and the cylinder effectively prevents the threaded ring from loosening during device operation, ensuring that the inner tube remains stable in its position and avoiding malfunctions or performance instability caused by loosening.

[0013] By setting up an auxiliary mechanism, the present invention allows the operator to first pull out the support plate. At this time, the protrusion inside the support plate is separated from the sliding groove, causing one side of the inner tube to disengage from the limit, thus preparing for the subsequent disassembly of the other side of the inner tube. At the same time, the support plate also further ensures the stability of the inner tube when it runs inside the shell, thereby further improving the actual effect. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a second-view diagram of the present invention;

[0016] Figure 3 This is a schematic diagram of the internal structure of the main body of this utility model;

[0017] Figure 4 This is a partial structural schematic diagram of the limiting mechanism of this utility model;

[0018] Figure 5 This is a schematic diagram of the specific structure of the limiting mechanism and auxiliary mechanism of this utility model.

[0019] Explanation of key symbols:

[0020] 1. Main body; 11. Shell; 12. Heating tube; 13. Control module; 14. Circular groove; 15. Threaded ring; 16. Inner tube; 2. Limiting mechanism; 21. Fixing ring; 22. Groove; 23. Limiting plate; 24. Protruding block; 25. Cylinder; 26. Baffle; 3. Auxiliary mechanism; 31. Slide groove; 32. Support plate; 33. Ventilation plate; 34. Protruding plate. Detailed Implementation

[0021] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0022] Example:

[0023] Please combine Figure 1-5 This embodiment of a preheating pipe assembly for a hot air furnace includes a main body 1, a limiting mechanism 2, and an auxiliary mechanism 3. The limiting mechanism 2 is located on one side of the main body 1, and the auxiliary mechanism 3 is located on the other side of the main body 1. The main body 1 includes a housing 11, in which a heating tube 12 is installed. A control module 13 is fixedly connected to the front end of the housing 11. A circular groove 14 is provided on one side of the housing 11. A threaded ring 15 is threadedly connected to one side of the inside of the housing 11. An inner tube 16 is fixedly connected to the inner side of the threaded ring 15. The threaded ring 15 and the circular groove 14 are both located on the side close to the limiting mechanism 2. The inner tube 16 is located inside the housing 11. By controlling the circuit switching of the heating tube 12, the operator can precisely adjust the heating process of the hot air furnace to avoid overheating or unnecessary energy waste and increase the energy-saving effect of the equipment. The housing 11 is used to protect the internal devices and prevent damage caused by interference from the internal and external environments.

[0024] The limiting mechanism 2 includes a fixing ring 21 fixedly connected to the outside of the threaded ring 15. A groove 22 is provided on the outside of the fixing ring 21. A limiting plate 23 is slidably connected to the outside of the groove 22. A baffle 26 is rotatably connected to one side of the front and rear ends of the housing 11. The baffle 26 is engaged with the front and rear ends of the limiting plate 23. A protrusion 24 matching the groove 22 is fixedly connected to the inside of the limiting plate 23. A cylinder 25 matching the circular groove 14 is fixedly connected to the inside of the limiting plate 23. The fixing ring 21 is located inside the housing 11. The limiting plate 23 is slidably connected to one side of the housing 11. The cylinder 25 ensures the stability of the limiting plate 23 and the housing 11 during installation. The protrusion 24 can further prevent the threaded ring 15 from loosening during operation, thereby further improving the stability of the entire device. At the same time, the cooperation design between the limiting plate 23 and the baffle 26 ensures the accurate positioning of the limiting plate 23 in the housing 11, improving the stability and maintenance convenience of the entire device.

[0025] The auxiliary mechanism 3 includes a groove 31 on one side of the inner tube 16, a support plate 32 snapped onto one side of the housing 11, a ventilation plate 33 fixedly connected inside the support plate 32, and a protruding plate 34 fixedly connected inside the support plate 32. The groove 31 is located on the side away from the threaded ring 15, and the protruding plate 34 is located inside the ventilation plate 33. After the support plate 32 is pulled out, the protruding plate 34 inside the support plate 32 will be separated from the groove 31, thereby allowing one side of the inner tube 16 to be released from the limit, which facilitates subsequent operations, reduces damage to the components due to resistance during disassembly, and improves the efficiency of manual disassembly.

[0026] The implementation principle of a preheating pipe assembly for a hot air furnace in this embodiment is as follows: The control module 13 consists of a control switch and a power module. After the control module 13 is connected to the power supply, the operator can adjust the control switch to turn the heating tube 12 circuit on or off. When the operator needs to disassemble the housing 11 for internal maintenance, the operator first pulls out the support plate 32. When the support plate 32 is pulled out, the protrusion 34 inside the support plate 32 will separate from the slide groove 31, thereby allowing one side of the inner tube 16 to disengage from the limit. The ventilation plate 33 is used to smoothly transport the gas inside the inner tube 16 out through the ventilation plate 33. Then, the staff opens the front and rear baffles 26 in sequence. At this time, the housing 11 removes the restriction on the limiting plate 23, thereby removing the limiting plate 23 from the housing 11. The cylinder 25 slides out with the limiting plate 23 inside the circular groove 14. The setting of the cylinder 25 can further ensure the stability of the limiting plate 23 and the housing 11 during installation. The protruding block 24 will also slide out from the groove 22 on the fixing ring 21. Then the staff... The operator then rotates the fixing ring 21, causing the threaded ring 15 to rotate as well. At this time, the inner tube 16 inside will also rotate. Finally, by continuously rotating the fixing ring 21, the inner tube 16 is removed, thereby cleaning and maintaining the inside of the housing 11. When the maintenance is completed, the operator rotates the fixing ring 21 in the opposite direction to fix it back inside the housing 11, thereby fixing one side of the inner tube 16. Then, the limiting plate 23 is placed on the outside of the fixing ring 21. At this time, the cylinder 25 will slide back into the inside of the circular groove 14, and the protruding block 24 will also slide into the inside of the groove 22. The protruding block 24 can further prevent the threaded ring 15 from loosening during the operation of the device, which would eventually cause the inner tube 16 to become unstable, thus further improving the stability of the entire device. Then, the baffle 26 is re-clamped onto the front and rear ends of the limiting plate 23 to limit the limiting plate 23. Finally, the support plate 32 is placed back on the other side of the housing 11, thus completing the fixation of both sides of the inner tube 16. The whole operation process is convenient and quick, further accelerating the disassembly efficiency of the operator.

[0027] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A preheating pipe assembly for a hot blast stove, characterized in that, It includes a main body (1), a limiting mechanism (2) and an auxiliary mechanism (3), wherein the limiting mechanism (2) is located on one side of the main body (1) and the auxiliary mechanism (3) is located on the other side of the main body (1); The main body (1) includes a housing (11), a heating tube (12) is installed inside the housing (11), a control module (13) is fixedly connected to the front end of the housing (11), a circular groove (14) is opened on one side of the housing (11), a threaded ring (15) is threadedly connected to one side inside the housing (11), and an inner tube (16) is fixedly connected to the inner side of the threaded ring (15).

2. The preheating pipe assembly for a hot blast stove as described in claim 1, characterized in that: The threaded ring (15) and the circular groove (14) are both located on the side close to the limiting mechanism (2), and the inner tube (16) is located inside the housing (11).

3. The preheating pipe assembly for a hot blast stove as described in claim 2, characterized in that: The limiting mechanism (2) includes a fixed ring (21) fixedly connected to the outside of the threaded ring (15). The fixed ring (21) has a groove (22) on its outside. A limiting plate (23) is slidably connected to the outside of the groove (22). A baffle (26) is rotatably connected to one side of the front and rear ends of the housing (11). The baffle (26) is engaged with the front and rear ends of the limiting plate (23).

4. A preheating pipe assembly for a hot blast stove as described in claim 3, characterized in that: The inner side of the limiting plate (23) is fixedly connected to a protrusion (24) that matches the groove (22), and the inner side of the limiting plate (23) is fixedly connected to a cylinder (25) that matches the circular groove (14).

5. A preheating pipe assembly for a hot blast stove as described in claim 4, characterized in that: The fixing ring (21) is located inside the housing (11), and the limiting plate (23) is slidably connected to one side of the housing (11).

6. A preheating pipe assembly for a hot blast stove as described in claim 5, characterized in that: The auxiliary mechanism (3) includes a groove (31) opened on one side of the inner tube (16), a support plate (32) is snapped onto one side of the housing (11), a ventilation plate (33) is fixedly connected inside the support plate (32), and a protrusion plate (34) is fixedly connected inside the support plate (32).

7. A preheating pipe assembly for a hot blast stove as described in claim 6, characterized in that: The groove (31) is located on the side away from the threaded ring (15), and the protrusion (34) is located inside the ventilation plate (33).